DE102005033168B4 - Dryer for a cooling medium in a cooling medium circuit, in particular for an air conditioning system of a vehicle - Google Patents

Abstract

dryer (V) for a cooling medium in a cooling medium circuit, especially for an air conditioning system of a vehicle, comprising a one-piece housing (1) with a filter (4) arranged therein for drying and filtration a cooling medium and with a connecting component (2), wherein the one-piece housing (1) as a one-sided open housing with a bottom (1.1) and an opposite open end (1.2), characterized in that the open end (1.2) with a conical Thickening wall (1.3) is executed, on which the connecting component (2) radially encircling and at least partially covering the one-piece Housing (1) can be placed.

Description

The The invention relates to a dryer for a cooling medium in a cooling medium circuit, especially for an air conditioner, according to the preamble of claim 1 and a Connecting part for a dryer according to claim 21.

such Dryers are used to filter out impurities and water the cooling medium take. A common application of this dryer is the cleaning of the cooling medium in air conditioning systems of a vehicle, with the humidity in the system is absorbed by means of a desiccant.

Dryers of the type mentioned are, for example, from the DE 699 00 883 T2 and the EP-A-0 696 714 known. The dryers proposed therein include a housing which is provided at one end with a bottom and at the other end has a closed by a head opening, wherein the head includes inlet and outlet openings for the cooling medium. In the interior of the hollow body, a hollow cylindrical filter is arranged, which is penetrated by a pipe arranged on the closure part, which projects into the housing and through which the cooling medium located in the cooling circuit (also called refrigerant) flows. The filter consists of a large number of individual parts made of different materials. Other with a dryer formed from a hollow cylindrical and open on both sides of the housing are from the EP 0 838 642 A1 and the EP 0 915 307 A1 known, wherein the open ends are closed by means of bottom and cover elements.

From the DE 102 21 968 A1 and the US 6,330,810 B1 In addition, recording devices for a desiccant of a refrigerant are known. The respective receiving device is designed as a one-sided open and a constant wall thickness exhibiting container which is closable at the open end of a connecting member. In the container, a drying bag with desiccant and a separate filter can be used as units or arranged in loose form.

task the present invention is therefore to provide a dryer, which meets the requirements of the practice better than the known dryer, in particular insofar as this is a simple manufacture and Maintenance allows consists of fewer parts than that of the prior art known dryer and cheaper as this one.

task The invention is also a simple and simple and easy to create a secure connection component for this dryer.

According to the invention Task solved by a dryer for a cooling medium in a cooling medium circuit with the features of claim 1 and by a connecting part for a dryer with the features of claim 21. Advantageous embodiments The invention are the subject of the dependent claims.

Of the inventive dryer comprises a one-piece housing, For example, as Aluminiumfließpressteil, and arranged therein Filter, for example as a cartridge or desiccant bag. through in the one-piece housing used filter is an internal seal causes. That's it one-piece housing as a one-sided open housing with at least partially or completely closed soil and an opposite open one Finished running, in which the filter is inserted. and there is fixable and held in a predetermined position. For one Connection of the dryer with a capacitor is on the housing, in particular placed on the open end of a connecting component. It is between the connecting member and the housing or the filter, a coverage area formed in which at least one integrated on the housing or on the filter Is provided sealing element. Preferably, the sealing element extends radially and / or axially on the outer surface of the housing in a thickened border area. This will create an outer seal causes. Covered for that the connecting member circumferentially revolving the open end of the housing. By Such an integrated sealing element in the overlapping region of the connecting component and housing or Filter is a FITS good and circumferential sealing seat of the connecting component at the open end of the housing to the outer seal where.

Of the Seating seat, for example, by appropriate dimensions of the Reinforced connecting component be by the inner diameter of the connecting member only slightly larger than the outside diameter the open end of the housing is. this leads to to an increased Prestressing force on the circumferential sealing element, so that a good Form and frictional is given.

In an alternative embodiment For example, the filter itself in a cartridge execution the form open end of the housing. In this embodiment is the sealing element on the outer wall the filter cartridge integrated. For this purpose, the upper filter wall appropriately thick, so that the sealing element can be integrated.

Under an integrated sealing element is in particular one in the outer wall of the open Ended inserted or molded seal understood, which thus causes a secure seal between the connecting member and the housing. This allows an inner seal and thus reliably arranged against contamination. Due to the design and material selection of the connection component this can be soldered directly to a capacitor. Alternatively, the capacitor can be connected indirectly.

By the solution according to the invention due to the implemented sealing element a one-piece, in particular Extruded casing allows. It is characterized by the connecting member in a particularly simple and Material-saving way a safe outward sealing Closure area for formed the dryer. The housing preferably has a one-part form which is binder-free, d. H. without soldering and bonding, a secure seal of the dryer through the "inner" positive connection of housing and internal filter and the "outer" positive connection of housing and outside attached connection component allows. Due to the given wall shape of the housing and the connecting component in the region of the positive connection integrated sealing elements are used, which ensure the secure sealing cause. Across from conventional dryer is the dryer of the invention made sure the case without welds and without gluing or soldering securely sealed. Due to the few components of the Dryer allows This simple construction and easy installation.

Furthermore the installation of the dryer is greatly simplified, preferably a prefabricated filter cartridge in the form of a filter cartridge, Filter cartridge or a desiccant bag inserted into the housing must become. The closing takes place by placing the executed in the manner of a lid connecting member on the open end. The production of both the dryer as well the filter insert is thus automatable, so that errors in whose assembly can be excluded.

Preferably extends the sealing element radially and / or axially along the outer surface of the Housing. It can in the thickened open end of the housing any kind of seal be provided. In a possible embodiment is the sealing element as at least one of the housing or the filter radially formed circumferential groove, in which one or more sealing elements, z. B. sealing rings are arranged. As a sealing ring, for example a so-called O-ring seal provided be, for example, made of an elastic material, for. B. off Elastomer material is. Also, the sealing element in the circumferential groove lathered or injected. Preferably, in the overlap area between the outer wall the open end of the dryer and the inner wall of the overlying edge arranged the connecting member a plurality of circumferential sealing elements.

Preferably the open end of the dryer is so conically widened and formed thickened, that the wall of the open end has a greater thickness has as the wall of the remaining housing. Ie. the open end especially in the overlap area a thicker wall on. This allows the open end with an integrated Sealing element, z. B. a sealing ring or a sealing seam, and / or an integrated connection element, e.g. B. an external thread provided become. The inner wall of the connecting member has expediently a corresponding connecting element, for. B. an internal thread, on. Conveniently, form the connecting member and the open end of the housing in the overlap area a flange connection. For this purpose, for example, a flange provided be. By means of the connecting element is thus a detachable connection of connecting component and housing allows in the manner of a screw cap, a flange and / or a Clamping or locking connection accomplished can be. about the lockable open end of the dryer, the filter can be changed in case of service.

Additionally or alternatively, the open end of the dryer may be outside, in particular of the coverage area with at least one retaining element, for. B. a peripheral outer shoulder, for Fixing and holding, for example, for placing, the connecting component be provided. Depending on the connection type of connection component and casing For example, the connection component placed on the open end can be positively locked, for. B. pressed or clamped, be connected to the housing of the dryer. Also, an external closure element on the outside of the connecting member be put on. For example, a clamping ring, a clamping ring or a screw-nut connection externally for one releasable Closure of the dryer may be provided.

For receiving and mechanically fixing the filter in the housing, this has at least one fixing element. The fixing element may be designed for mechanical fixing as a radially encircling inner paragraph. The inner shoulder is formed, for example, by a constriction, bead or groove formed or inserted into the housing from the outside. The filter is inserted into the housing so deeply that the filter rests on the inner heel. To drop out of the filter when open To avoid a housing and to allow a secure fixation of the filter in the housing, a circumferential undercut is provided in the region of the opposite end of the filter in the inner wall of the housing, in which a slightly flared, open end of the filter can be used, for. B. latched or clamped is. Alternatively, the housing may also be provided with a constriction in this area, so that the filter is held between two radially encircling constrictions whose spacing corresponds approximately to the length of the filter.

The one-piece housing is in the extrusion process economical produced. This is the case executed in aluminum and has a one-piece shape that neither soldered nor is glued; The filter cartridge can be made of aluminum, metal or too be made of plastic. For easy installation and a simple replacement of the filter is the housing rod- or tubular, for example, cylindrical or cup-shaped educated. this makes possible a simple entry and exit and thus a simple replacement of the arranged in the rod-shaped housing filter. In particular avoid tilting. In addition, leaves a rod-shaped casing with thread, grooves, beads, grooves and / or heels particularly simple and inexpensive in the Extrusion process produce.

To the Connect of media lines, the dryer has two openings for feeding and discharging the cooling medium on. For this purpose, the connecting member with an inlet channel and an outlet channel provided. The connection component is for example from a substantially cylindrical extruded part with corresponding Through channels educated. For connection to the filter, the through-channels run in the connecting component essentially in the longitudinal direction of the dryer and open in associated Inlet and outlet openings of the housing. For one direct connection of the dryer to the condenser are the through-channels in the connection component Angled in its course at a suitable location and laterally guided in the direction of the wall of the connecting member to the outside. ever in the manner of the connection of the connecting member with the Dryers can the passageways straight, oblique or in any other form.

In a possible embodiment is the inlet opening of the housing and thus the dryer is formed as a radially encircling opening, in which the inlet channel of the connecting member opens. there the filter is inserted in the manner of a cartridge in the opening of the housing. The filter points as an outlet opening in the manner of an outlet channel a centrally located suction or riser to which in radial orientation the inlet opening and the respective filter components are arranged. In the axial direction starting from the housing opening the inlet opening For example, a filter components in a predeterminable order Filter element, the desiccant and another filter element.

The Drying agent and the filter elements are thus between the inlet and the outlet opening of the housing to arrange that the refrigerant filtered through the dryer during its circulation and that Desiccant can absorb water. Preferably, the filter as a filter cartridge, e.g. B. as a filter cartridge or filter cartridge, trained and integrated as a whole. Inside the filter insert The actual filter is arranged from a granulated one Desiccant and fine filters consists, each by a perforated plate are fixed inside the filter insert. Here are all filter components such as desiccant, filters and sieves accordingly their arrangement as a prefabricated filter assembly in the cartridge or cartridge arranged accordingly. The prefabricated filter assembly For example, as a metal, especially as an aluminum insert or be designed as a plastic insert. Also, the filter can in conventional Way through a layered construction and arrangement of be executed individual filter elements in the housing of the dryer. In this embodiment all filter elements, such. As sieves, filters, desiccants, in the case as inner filling introduced; subsequently becomes the housing locked.

One- and output of the dryer are due to the operation of the Condenser, depending on the installation position of the dryer at the bottom or top End of the dryer attached. Ie. the connection component can be placed on the lower and the upper end of the dryer. The dryer is preferred over soldered the connection component to the capacitor.

following The invention will be explained in more detail with reference to drawings. Showing:

1 an exemplary embodiment of a dryer with a connecting member closing the open end of the dryer,

2 schematically a housing with a filter insert disposed therein for a dryer,

3 a further embodiment of a dryer with a connecting member closing the open end of the dryer,

4A . 4B schematically a housing in longitudinal and in plan view, and

5A to 5C schematically the connecting member in longitudinal section and in plan view from above and below.

each other corresponding parts are in all figures with the same reference numerals Mistake.

1 shows a housing 1 for a dryer V for a cooling medium circuit. The dryer V is, for example, a so-called dryer for a cooling medium in a cooling medium circuit of an air conditioning system in a vehicle.

For a low-cost and easy production of the dryer V is the housing 1 as a one-sided open housing with a closed bottom 1.1 and an opposite open end 1.2 executed. In the area of the open end 1.2 shows the case 1 a conically widened shape through a thickening housing wall 1.3 on. This is in the outside housing wall 1.3 as a connecting element 1.3.1 a circumferential external thread can be introduced.

The open end 1.2 of the dryer V is connected to a connecting component 2 closable. The connecting element 1.3.1 serves the connection of the open end 1.2 housing 1 with the connecting component 2 , Depending on the type of connection, z. B. flange connection or another releasable connection closes the connecting member 2 for example, in the manner of a plug or a screw cap, the dryer V. It covers the connecting member 2 the open end 1.2 encircling the outside, so that a coverage area B is given. In this covering area B, the connecting member 2 inside a to the connecting element 1.3.1 of the housing 1 corresponding connecting element 2.1 on. In a formed as an external thread connecting element 1.3.1. of the housing 1 is the corresponding connecting element 2.1 of the connection component 2 designed as internal thread. The connection between connection component 2 and housing 1 in the covering area B allows an external sealing of the dryer V.

For a sufficiently secure sealing of the dryer V to the outside in the covering area B is an integrated sealing element 3 intended. The integrated sealing element 3 is for example as a housing 1 formed circumferential groove, in which a sealing ring is inserted, molded, used or foamed. Additionally or alternatively to such a radially arranged sealing element 3 this can also be axially extending on the outer surface of the housing 1 or the inner surface of the connecting component 2 to be appropriate.

Alternatively or in addition to the internal, detachable connection of connecting component 2 and housing 1 can be outside on the connecting component 2 a snap ring or clamping ring or a nut-screw connection may be provided. Also, via a corresponding training of the integrated sealing element 3 caused sealing seat be given a sufficiently good form and frictional engagement. For this purpose, the connecting component 2 only a slightly larger inner diameter than the outer diameter of the open end 1.2 of the dryer V.

For secure positioning and assembly of the connection component 2 on the dryer V can the housing 1 a holding element 1.4 exhibit. The holding element 1.4 is, for example, as a peripheral paragraph, in particular a bulge or a wall edge executed. On this outside paragraph is the connecting component 2 placed. Also, the retaining element 1.4 be executed in a manner not shown as a flange or a constriction or a Aufsetzring.

For drying and filtering the cooling medium is in the housing 1 a filter 4 arranged. The dryer V is from below with the filter 4 filled. At the filter 4 it is a filter screen or a filter bag with radial and / or axial Abschichtung. The filter 4 is for example from a bag 4.1 , in particular a desiccant or anti-condensation bag with a desiccant 4.1.1 , and a filter screen 4.2 educated. In this embodiment, the filter is 4 (also called filter drier) made of individual compo- nents, which are in the housing 1 are arranged according to their sequence. Also, the filter can 4 as a filter cartridge or filter cartridge in the dryer V are used. In addition, the filter can 4 even the open end 1.2 of the dryer V form.

For fixation and positioning of the filter 4 in the dryer V has the housing 1 at least one fixing element 1.5 , z. B. a circumferential inner shoulder on. The inner shoulder is formed for example by an inserted or molded into the housing wall constriction, groove or bead. The fixing element 1.5 serves the mechanical fixation of the filter 4 in the dryer V, ie in the one-piece housing 1 , Depending on the type and form of fixing the filter 4 in the case 1 can two radially extending and axially spaced fixing elements 1.5 be introduced into the housing. The axial distance of the two fixing elements 1.5 This corresponds approximately to the length of the filter 4 , Preferably, the filter has 4 an outer dimension such that a positive connection between the filter 4 and the one-piece housing 1 given is. Thus, the dryer V is via the positive connection of housing 1 and filters 4 sealed on the inside and via the positive connection of housing 1 and connecting component 2 sealed on the outside.

According to the invention, the dryer V is provided by such a multiple mechanical sealing of the housing 1 with a one-piece outer shape without material connection, ie without soldering, without gluing, without welding, without gluing, only via positive connection with the connecting component 2 connected.

For locking and fastening of the dryer V, a holding element 5 on the ground 1.1 of the housing 1 be arranged. The holding element 5 For example, it may be formed as a pin or other similar shape. The holding element 5 is preferably on the housing 1 pressed.

About that at the open end 1.1 provided connection component 2 , z. As a closure, a lid or a plug, the filter elements of the filter 4 be replaced in case of service.

The housing 1 is made of a extruded part. Preferably, the housing 1 made of metal, in particular aluminum or steel. The housing 1 can also be made of a temperature-resistant plastic. The paragraphs, grooves, beads, grooves, heels, threads and / or bulges in the manufacture of the housing 1 be introduced yourself. Thus, a cost-effective and material-saving housing is possible.

For supplying and discharging the cooling medium, the connecting component comprises two passage channels 2.2 and 2.3 , of which one as inlet channel (= 2.2 ) and the other as outlet channel (= 2.3 ) serves. For a direct connection of the connection component 2 to a non-illustrated capacitor, the passage channels 2.2 and 2.3 laterally in the outer wall of the connecting member 2 arranged and point inside the connection component 2 an angled course, so that the passageways 2.2 and 2.3 subsequently run in the longitudinal direction of the dryer V and in the open end 1.2 of the dryer V open. The course of the passageways 2.2 and 2.3 may vary depending on the type and shape of the connection to the condenser or to the dryer V.

By means of the filter 4 a filtering of the flowing cooling medium is effected, the drying agent 4.2 serves to dry the cooling medium and absorbs water. This is the filter 4 immediately at the open end 1.2 of the dryer V arranged. The over the inlet channel 2.2 and an adjoining entrance room 1.6 incoming cooling medium first passes through the filter inlet arranged on the filter inlet side 4.2 , The entrance room 1.6 is through the outer wall of the open end 1.2 and the outer wall of one in the filter 4 centrally arranged riser channels 4.3 (also called suction channel) limited. From the outlet channel 4.3 radially surrounding input space 1.6 the cooling medium flows through the filter bag 4.1 with the drying agent 4.1.1. and the filter outlet provided on the flow side 4.2 in a subsequent cavity 1.7 of the housing 1 , When flowing through the filter bag 4.1 The cooling medium is dried and filtered. Subsequently, the dried and filtered cooling medium over the riser 4.3 and the outlet channel 2.2 fed to the capacitor, not shown.

The filter 4 can as described as a pre-assembled filter bag 4.1 or be designed as a pre-assembled filter cartridge or cartridge.

2 shows in detail the case 1 with the in the case 1 inserted filter 4 , The filter insert is as a prefabricated module as a whole in the housing 1 of the dryer V can be installed. The illustrated embodiment shows a cartridge formed in the form of a cartridge or cartridge. The filter insert extends substantially in the longitudinal direction over the length of the housing 1 , The housing 1 is cup-shaped, ie it has a hollow cylindrical shape on one side by a shaped bottom 1.1 is closed.

Inside the filter element are the elements of the filter 4 For example, provided with fine filter openings and arranged between the fine filters volume of a granular desiccant provided. Depending on the design of the filter 4 the elements are separated according to each other and allow an upward and downward flow of the cooling medium.

To mount the dryer V, the filter F, ie the filter cartridge, into the housing 1 introduced and then media-tight connected to this. This will be the open end 1.2 with the connecting component 2 , z. B. in the manner of a lid closed. This can be done for example by screws, clamps, detents or similar methods.

To seal the dryer V has the housing 1 in the area of the open end 1.2 the integrated sealing element 3 in the form of two circumferential sealing rings.

3 shows an alternative embodiment for a dryer V with an open end 1.2 of the dryer V occlusive connection component 2 , This covers the connecting component 2 the open end 1.2 of the housing 1 inside. Ie. the connection component 2 gets into the open The End 1.2 introduced so that the outer surface of the connecting component 2 on the inner wall of the open end 1.2 is applied. There are several sealing elements 3 between housing 1 and connecting component 2 intended.

So is a sealing element 3.1 as a radially encircling sealing ring between the inner wall of the open end 1.2 of the housing 1 and the outer wall of the connecting member 2 arranged. Another, radially encircling sealing element 3.2 is on the inner wall of the riser 4.3 integrated. This sealing element 3.2 serves to seal the riser channel 4.3 and exhaust duct 2.3 of the connection component 2 ,

4A and 4B show the case 1 without filter 4 in longitudinal section and in plan view from below with the holding element 5 ,

5A to 5C show the connection component 2 in detail in plan view from the top of the dryer V, in longitudinal section and in plan view from below. In 5A is the outlet channel 2.3 for connection to a capacitor, not shown in plan view. In this case, the outlet channel 2.3 on the connection side, a mouth shape corresponding to the shape of the media line to be connected. To connect egg ner example tubular media line is the outlet channel 2.3 provided with a concave mouth shape. This allows a good fit of the outlet channel 2.3 with the media line of the condenser.

5B shows the connection component 2 in longitudinal section, which can be produced as a Fließpressteil in one-piece form. Preferably, the connecting member 2 made of metal, in particular aluminum or steel. The connection component 2 can also be made of a temperature-resistant plastic. In this case, the passageways 2.2 . 2.3 , Heels, threads and / or bulges in the manufacture of the connecting component 2 be introduced yourself. Thus, a low-cost and material-saving connection component 2 as a closure part of the dryer V allows. The inlet channel 2.2 and the outlet channel 2.3 can thereby the connecting component 2 straight, oblique and / or angled go through.

In the 5C is the inlet channel 2.2 , In particular shown its muzzle form connectable to a media line. The mouth shape of the inlet channel 2.2 corresponds with the outer shape of the connected media line. For a tubular media line, the inlet channel 2.2 concave on the connection side.

Depending on the type and shape of the connection of connecting component 2 and condenser can be used instead of the direct connection of inlet duct 2.2 and exhaust duct 2.3 with the media lines a spacer not shown in detail, for. B. a short piece of pipe, be arranged between them. In this embodiment corresponds to the respective mouth shape of the inlet channel 2.2 or the outlet channel 2.3 with the shape of a spacer to be connected.

The Invention is not on the embodiments limited, but in the context of the Revelation often variable. All new, in the description and / or the drawings disclosed individual and Combination features are considered to be essential to the invention.

1

casing

1.1

ground

1.2

Restricted The End

1.3

housing

1.3.1

connecting element

1.4

retaining element

1.5

fixing

1.6

entrance room

1.7

cavity

2

connecting member

2.1

connecting element

2.2

inlet channel

2.3

exhaust port

3

integrated sealing element

3.1 3.2

sealing ring

4

filter

4.1

filter bag

4.1.1

desiccant

4.2

filter screen

4.3

rising channel

5

retaining element

B

Coverage area

V

dryer

Claims (24)

Dryer (V) for a cooling medium in a cooling medium circuit, in particular for an air conditioning system of a vehicle, comprising a one-piece housing ( 1 ) with a filter arranged therein ( 4 ) for drying and filtering a cooling medium and with a connecting component ( 2 ), wherein the one-piece housing ( 1 ) as a one-sided open housing with a bottom ( 1.1 ) and an opposite open end ( 1.2 ), characterized in that the open end ( 1.2 ) with a conically thickening wall ( 1.3 ) to which the connecting component ( 2 ) radially encircling and at least partially overlapping on the one-piece housing ( 1 ) can be placed. Dryer (V) according to claim 1, wherein a sealing element ( 3 ) radially along the outer surface of the housing ( 1 ) or the filter ( 4 ) runs. Dryer (V) according to claim 1 or 2, wherein the sealing element ( 3 ) as at least one the housing ( 1 ) or the filter ( 4 ) is formed radially encircling extending groove, in which one or more sealing elements are arranged. Dryer (V) according to one of claims 1 to 3, wherein the open end ( 1.2 ) is conically widened and thickened so that the wall ( 1.3 ) of the open end ( 1.2 ) has a greater thickness than the wall of the remaining housing ( 1 ). Dryer (V) according to one of the preceding claims, wherein in a covering area (B) the connecting component ( 2 ) and the open end ( 1.2 ) of the housing ( 1 ) form a flange connection. Dryer (V) according to one of the preceding claims, wherein in the covering area (B) the connecting component ( 2 ) and the open end ( 1.2 ) of the housing ( 1 ) for connection to mutually corresponding connection elements ( 2.1 . 1.3.1 ) are provided. Dryer (V) according to one of the preceding claims, wherein for a detachable connection in the covering area (B) the connecting component ( 2 ) with an internal thread as a connecting element ( 2.1 ) and the housing ( 1 ) or the filter ( 4 ) with a corresponding external thread as a connecting element ( 1.3.1 ) or vice versa. Dryer (V) according to one of the preceding claims, wherein the open end ( 1.2 ) of the housing ( 1 ) outside the covering area (B) with at least one retaining element ( 1.4 ), in particular a circumferential shoulder for placing the connecting component ( 2 ) or a flange with bore or thread, is provided. Dryer (V) according to one of the preceding claims, wherein in the covering area (B) the connecting component ( 2 ) and the housing ( 1 ) or the filter ( 4 ) positively, z. B. pressed, are interconnected. Dryer (V) according to one of the preceding claims, wherein in the covering area (B) the connecting component ( 2 ) and the housing ( 1 ) or the filter ( 4 ) by means of an externally attachable closure element, for. As a clamping ring, clamping ring or a screw-nut connection detachably connected to each other. Dryer (V) according to one of the preceding claims, wherein the housing ( 1 ) outside the covering area (B) with at least one fixing element ( 1.5 ) for mechanically fixing the filter ( 4 ) in the housing ( 1 ) is provided. Dryer (V) according to one of the preceding claims, wherein the housing ( 1 ) is fabric-free and has a one-piece outer shape with a bottom ( 1.1 ) which is at least partially or completely closed. Dryer (V) according to one of the preceding claims, wherein the housing ( 1 ) is carried out as a flow press. Dryer (V) according to one of the preceding claims, wherein the housing ( 1 ) is designed as a metal housing, in particular as an aluminum housing. Dryer (V) according to one of the preceding claims, wherein the housing ( 1 ) is substantially cylindrical, in particular rod-shaped or tubular. Dryer (V) according to one of the preceding claims, wherein the connecting component ( 2 ) at least one inlet channel ( 2.1 ) and an outlet channel ( 2.2 ) for connecting media lines. The dryer (V) of claim 16, wherein the media lines are provided for mounting to a capacitor. Dryer (V) according to one of the preceding claims, wherein the filter ( 4 ) can be installed as a filter insert as a whole. Dryer (V) according to one of the preceding claims, wherein the filter ( 4 ) is designed as a metal, in particular an aluminum insert or as a plastic insert. Dryer (V) according to one of the preceding claims, wherein the housing ( 1 ) on the ground ( 1.1 ) at least one further retaining element ( 5 ), in particular an integrally formed, for example pressed-on holding element. Connecting component ( 2 ) for a dryer (V) according to one of claims 1 to 20, comprising at least one inlet channel ( 2.2 ) and an outlet channel ( 2.3 ) for connecting media lines, wherein the inlet channel ( 2.2 ) and the outlet channel ( 2.3 ) have on the connection side in each case one corresponding with the shape of the media line to be connected mouth shape. Connecting component ( 2 ) according to claim 21, wherein the mouth shape is concave. Connecting component ( 2 ) according to claim 21 or 22, which is designed as extruded part and in one-piece form, in which the inlet channel ( 2.2 ) and the outlet channel ( 2.3 ) are designed as straight, oblique and / or angled extending passageways. Connecting component ( 2 ) according to any one of claims 21 to 23, wherein the respective mouth shape of the inlet channel and the outlet channel is formed corresponding to the shape of a spacer element to be connected.