CN107100951A - A kind of brake chamber for possessing rebound spring - Google Patents
A kind of brake chamber for possessing rebound spring Download PDFInfo
- Publication number
- CN107100951A CN107100951A CN201710498445.0A CN201710498445A CN107100951A CN 107100951 A CN107100951 A CN 107100951A CN 201710498445 A CN201710498445 A CN 201710498445A CN 107100951 A CN107100951 A CN 107100951A
- Authority
- CN
- China
- Prior art keywords
- push rod
- disk
- crimping
- circle
- spring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2121/00—Type of actuator operation force
- F16D2121/02—Fluid pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2121/00—Type of actuator operation force
- F16D2121/02—Fluid pressure
- F16D2121/08—Fluid pressure acting on a membrane-type actuator, e.g. for gas pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2125/00—Components of actuators
- F16D2125/02—Fluid-pressure mechanisms
- F16D2125/08—Seals, e.g. piston seals
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2125/00—Components of actuators
- F16D2125/02—Fluid-pressure mechanisms
- F16D2125/12—Membrane or diaphragm types
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Devices (AREA)
- Braking Arrangements (AREA)
Abstract
The present invention relates to brake technical field, specifically possesses the brake chamber of rebound spring.The brake chamber for possessing rebound spring includes precursor, middle body, body and clip afterwards, the precursor and middle body formation service brake cavity, the periphery of the junction of the precursor is provided with first crimping of circle, the periphery of the junction of the middle body is provided with second crimping of circle, the clip is enclosed with the outside of first crimping and the second crimping, the clip is provided with clamping screw and locking nut, the left side of the leather diaphragm is provided with push rod disk, push rod is welded with the middle part of the push rod disk, a circle return spring retainer plate is welded with the outside of the push rod end, middle body and rear body formation the stopping brake chamber, the periphery of the junction of the middle body is provided with the 3rd crimping of circle, the periphery of the junction of the rear body is provided with a circle bound edge, the second epithelium is provided between 3rd crimping and bound edge, the right disk of tappet is provided with the left of second epithelium, back-moving spring is provided between the right disk of tappet and the middle body, internal surface is provided with a circle convex tendon in described.
Description
The application is Application No. 201610052083.8, a kind of entitled disc type filed in 19 days January in 2016
The divisional application of the patent of spring brake chamber.
Technical field
The present invention relates to brake technical field, specifically possesses the brake chamber of rebound spring.
Background technology
The push rod of existing brake chamber leaves space between housing, and dust easily enters.Dust in housing is not only caused
The pollution of gas arrester, can also cause failure.And impulse stroke of the push rod in housing is short, the retrothrust of generation is small.
General brake chamber does not possess two brake chambers of driving and parking, relative inefficiency simultaneously
Under, and after air chamber failure, overall braking just loses effect, easily produces serious consequence.
The content of the invention
The present invention for provide a kind of structure more rationally, service brake can be realized and stopping brake is separated, fault rate
The longer brake chamber for possessing rebound spring of lower, service life.
The present invention is achieved through the following technical solutions：
A kind of brake chamber for possessing rebound spring, including precursor, middle body, rear body and clip, the precursor and the middle bodily form
Into service brake cavity, the periphery of the junction of the precursor is provided with first crimping of circle, and the periphery of the junction of the middle body is set
Have and the clip is enclosed with the outside of second crimping of circle, first crimping and the second crimping, the clip is provided with locking screw
Bolt and locking nut, are embedded with leather diaphragm, the left side of the leather diaphragm is provided between first crimping and the second crimping
It is welded with the middle part of push rod disk, the push rod disk on the outside of push rod, the push rod end and is welded with a circle return spring retainer plate,
The push rod is provided with push rod, and the push rod is stretched out outside the precursor, provided with the first opening, the push rod in the middle part of the precursor
Through the described first opening；
The precursor is open provided with two second, and installation bolt, the installation bolt are welded with second opening
Root is provided with return spring confinement block, and the installation bolt is provided with the first packing ring and installs nut；
Return spring is provided between precursor and the return spring retainer plate, the return spring is designed in large and small head, institute
State and dust cap is provided with inside return spring, one end of the dust cap is connected on first opening, the dust cap
The other end is connected on the push rod；
The 3rd crimping is enclosed in middle body and rear body formation the stopping brake chamber, the periphery of the junction of the middle body provided with one,
The periphery of the junction of the rear body is wrapped on the outside of the 3rd crimping provided with a circle bound edge, the bound edge, described volume three
It is provided with to be provided with the right disk of tappet, the right disk of tappet on the left of the second epithelium, second epithelium between side and bound edge and is welded with very
Bar, between the right disk of tappet and the middle body be provided with back-moving spring, it is described in vivo surface provided with one circle convex tendon, it is described multiple
It is caught in inside the convex tendon, is butted on the right side of the back-moving spring on the right disk of the tappet on the left of the spring of position；
The right side of second epithelium, which is provided with release disk, the release disk, is welded with release bolt fixed disk, described to release
Bolt fixed disk is put provided with first through hole, through the first through hole provided with release bolt, the release bolt catches on described
Discharge bolt fixed disk；
Brute spring is provided between the release disk and rear body, the release disk is provided with Volume Four side, the rear body
Provided with a circle circular protrusions, it is stuck in the Volume Four side, is stuck on the right side of the brute spring on the left of the brute spring
In the circular protrusions；
The middle body is provided with the first air admission hole, the first air admission hole injecting compressed air promote the leather diaphragm to
Preceding motion, the right side of the middle body is provided with third through-hole, and the release bolt is passed through on the third through-hole, the release bolt
External side is provided with second packing ring provided with release nut between the middle body and the release nut in described.
Push rod retainer plate is provided between the dust cap and the push rod, the push rod is free in the push rod retainer plate
Telescopic slide.
Internal portion is provided with inside circular groove, the circular groove and is provided with the left disk of tappet, the left disk of tappet in described
It is welded with tappet.
It is located on the middle body inside the circular groove and is provided with the second through hole, the tappet passes through second through hole,
Provided with two circle square grooves inside second through hole, the square groove is embedded with circular seal ring.
It is located at the first air admission hole side on the middle body and is provided with the second air admission hole, the second air admission hole injection compression
The second epithelium is moved backward described in air push.
The beneficial effect brought of the present invention is：
In the present invention, the brake chamber for possessing rebound spring includes precursor, middle body, rear body and clip, the clip
Design make it that connection between the precursor and the middle body is more firm, the service brake cavity and stopping brake chamber are set
Meter causes the brake chamber for possessing rebound spring to be provided with two kinds of functions of service brake and stopping brake, the dust cap
Design so that dust etc. cannot be introduced into inside the brake chamber for possessing rebound spring, greatly reduces and described possesses
The fault rate of the brake chamber of rebound spring, while so that the service life of the brake chamber for possessing rebound spring is more lengthened
Long.
Brief description of the drawings
The present invention is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is the profile of the brake chamber of the present invention for possessing rebound spring.
Fig. 2 is the top view of the brake chamber of the present invention for possessing rebound spring.
The corresponding label of component names is as follows in figure：
1st, precursor；2nd, middle body；3rd, rear body；4th, clip；5th, service brake cavity；6th, the first crimping；7th, the second crimping；8th, lock
Bolt；9th, locking nut；10th, leather diaphragm；11st, push rod disk；12nd, push rod；13rd, return spring retainer plate；14th, push rod；15th,
One opening；16th, the second opening；17th, installation bolt；18th, return spring confinement block；19th, the first packing ring；The 20th, nut is installed；21、
Return spring；22nd, dust cap；23rd, stopping brake chamber；24th, the 3rd crimping；25th, bound edge；26th, the second epithelium；27th, the right disk of tappet；
28th, tappet；29th, back-moving spring；30th, convex tendon；31st, disk is discharged；32nd, bolt fixed disk is discharged；33rd, first through hole；34th, spiral shell is discharged
Bolt；35th, brute spring；36th, Volume Four side；37th, circular protrusions；38th, push rod retainer plate；39th, the first air admission hole；40th, it is circular recessed
Groove；41st, the left disk of tappet；42nd, the second through hole；43rd, square groove；44th, circular seal ring；45th, third through-hole；46th, nut is discharged；
47th, second packing ring；48th, the second air admission hole.
Embodiment
Below in conjunction with the accompanying drawings and embodiment the present invention is described in further detail：
As the embodiment of the brake chamber of the present invention for possessing rebound spring, as depicted in figs. 1 and 2, including precursor
1st, middle body 2, rear body 3 and clip 4, precursor 1 and middle body 2 the formation service brake cavity 5, the periphery of the junction of the precursor 1
Provided with first crimping 6 of circle, the periphery of the junction of the middle body 2 is provided with second crimping 7 of circle, first crimping 6 and the
The outside of two crimping 7 is enclosed with the clip 4, and the clip 4 is provided with clamping screw 8 and locking nut 9, first crimping 6
And second be embedded with leather diaphragm 10 between crimping 7, the left side of the leather diaphragm 10 is provided with push rod disk 11, the push rod disk 11
Middle part be welded with the outside of push rod 12, the end of push rod 12 and be welded with a circle return spring retainer plate 13, the push rod 12
Push rod 14 is provided with, the push rod 14 is stretched out outside the precursor 1, the middle part of precursor 1 is provided with the first opening 15, the push rod
14 pass through the described first opening 15, the design of the service brake cavity 5 so that brake chamber can complete service brake and parking
Brake two kinds of braking models, a greater degree of effective completion braking operation；
The precursor 1 is provided with two second openings 16, second opening 16 and is welded with installation bolt 17, the peace
Fill the root of bolt 17 and be provided with return spring confinement block 18, the installation bolt 17 is provided with the first packing ring 19 and installs nut 20,
The design of the installation bolt so that the brake chamber for possessing rebound spring can more be firmly installed in automobile it
On, it is difficult to drop；
Return spring 21 is provided between the precursor 1 and return spring retainer plate 13, the return spring 21 is in large and small head
Design, the inside of the return spring 21 is provided with dust cap 22, one end of the dust cap 22 be connected to first opening 15 it
On, the other end of the dust cap 22 is connected on the push rod 12, design herein, and the favourable dust that solves enters system
Take offence room the problem of, the design of the dust cap prevents dust to enter brake chamber, reduces the fault rate of brake chamber；
Middle body 2 and rear body 3 formation the stopping brake chamber 23, the periphery of the junction of the middle body 2 is provided with a circle the 3rd
Crimping 24, the periphery of the junction of the rear body 3 is provided with a circle bound edge 25, and the bound edge 25 is wrapped in outside the 3rd crimping 24
Side, is provided with the second epithelium 26 between the 3rd crimping 24 and bound edge 5, the left side of the second epithelium 26 is provided with the right disk 27 of tappet,
Tappet 28 is welded with the right disk 27 of tappet, back-moving spring 29 is provided between the right disk 27 of tappet and the middle body 2, it is described
The middle inner surface of body 2 is caught in inside the convex tendon 30 provided with a circle convex tendon 30, the left side of the back-moving spring 29, the reset bullet
The right side of spring 29 is butted on the right disk 28 of the tappet, the design of the stopping brake chamber 23 so that brake chamber can be completed
Two kinds of braking models of service brake and stopping brake, a greater degree of effective completion braking operation；
The right side of second epithelium 26 is provided with release disk 31, and described discharge is welded with release bolt fixed disk on disk 31
32, the release bolt fixed disk 32 is provided with first through hole 33, described through the first through hole 33 provided with release bolt 34
Release bolt 34 catches on the release bolt fixed disk 32, and design herein solves the fixation problem of release bolt so that institute
Stating release bolt 34 can more be firmly fixed to described possess on the brake chamber of rebound spring；
Brute spring 35 is provided between the release disk 31 and rear body 3, the release disk 31 is provided with Volume Four side 36, institute
Rear body 3 is stated provided with a circle circular protrusions 37, the left side of the brute spring 35 is stuck in the Volume Four side 36, the strength
The right side of spring 35 is stuck in the circular protrusions 37, the design of the brute spring 35 so that the release disk 31 and release
The original state that bolt 34 can be returned to more quickly before braking.
In the present embodiment, push rod retainer plate 38 is provided between the dust cap 22 and the push rod 14, the push rod 14 exists
Free telescopic slide in the push rod retainer plate 38, the design of the push rod retainer plate 38, enables to consolidating for the push rod 14
It is fixed more firm.
In the present embodiment, the middle body 2 is provided with the first air admission hole 39, and the injecting compressed air of the first air admission hole 39 is pushed away
The leather diaphragm 10 is moved to travel forward.
In the present embodiment, the middle inside of body 2 is provided with circular groove 40, and the inside of circular groove 40 is provided with the left disk of tappet
41, tappet 28 is welded with the left disk 41 of tappet, and design herein solves the fixation problem of the left disk 41 of the tappet, made
The precursor 1 will not be protruded after a reset by obtaining the left disk 41 of tappet.
It is located at the inside of circular groove 40 in the present embodiment, on the middle body 2 and is provided with the second through hole 42, the tappet 28
Through second through hole 42, the inside of the second through hole 42 is embedded with provided with two circle square grooves 43, the square groove 43
Circular seal ring 44.
In the present embodiment, the right side of the middle body 2 is provided with third through-hole 45, and the release bolt 34 passes through the threeway
Be located on hole 45, the release bolt 34 it is described in external side provided with release nut 46, the middle body 2 and the release nut 46
Between be provided with second packing ring 47.
It is located at the side of the first air admission hole 39 in the present embodiment, on the middle body 2 and is provided with the second air admission hole 48, described the
The injecting compressed air of two air admission hole 48 promotes second epithelium 26 to move backward.
Claims (5)
1. a kind of brake chamber for possessing rebound spring, it is characterised in that including precursor, middle body, rear body and clip, the precursor
With middle body formation service brake cavity, the periphery of the junction of the precursor is provided with first crimping of circle, the junction of the middle body
Periphery provided with second crimping of circle, be enclosed with the clip, the clip and set on the outside of first crimping and the second crimping
There are clamping screw and locking nut, leather diaphragm is embedded between first crimping and the second crimping, the leather diaphragm
Left side, which is provided with to be welded with the outside of push rod, the push rod end in the middle part of push rod disk, the push rod disk, is welded with a circle return bullet
Spring retainer plate, the push rod is provided with push rod, and the push rod is stretched out outside the precursor, is opened in the middle part of the precursor provided with first
Mouthful, the push rod is open through described first；
The precursor is open provided with two second, and installation bolt, the installation bolt root are welded with second opening
Provided with return spring confinement block, the installation bolt is provided with the first packing ring and installs nut；
Return spring is provided between precursor and the return spring retainer plate, the return spring is designed in large and small head, described time
Position spring inner is provided with dust cap, and one end of the dust cap is connected on first opening, the dust cap it is another
End is connected on the push rod；
Middle body and rear body formation the stopping brake chamber, the periphery of the junction of the middle body is described provided with the 3rd crimping of circle
The periphery of the junction of body is provided with a circle bound edge afterwards, and the bound edge is wrapped on the outside of the 3rd crimping, the 3rd crimping and
It is provided with to be provided with the right disk of tappet, the right disk of tappet on the left of the second epithelium, second epithelium between bound edge and is welded with tappet, institute
State between the right disk of tappet and the middle body be provided with back-moving spring, it is described in vivo surface provided with one circle convex tendon, the reset bullet
It is caught in inside the convex tendon, is butted on the right side of the back-moving spring on the right disk of the tappet on the left of spring；
The right side of second epithelium, which is provided with release disk, the release disk, is welded with release bolt fixed disk, the release spiral shell
Bolt fixed disk is provided with first through hole, and through the first through hole provided with release bolt, the release bolt catches on the release
Bolt fixed disk；
Brute spring is provided between the release disk and rear body, the release disk is provided with Volume Four side, and the rear body is provided with
It is stuck in the Volume Four side, is stuck on the right side of the brute spring described on the left of one circle circular protrusions, the brute spring
In circular protrusions；
The middle body is provided with the first air admission hole, and the first air admission hole injecting compressed air promotes the leather diaphragm to transport forward
Dynamic, the right side of the middle body is provided with third through-hole, and the release bolt is passed through to be located on the third through-hole, the release bolt
External side is provided with second packing ring provided with release nut in described between the middle body and the release nut.
2. the brake chamber as claimed in claim 1 for possessing rebound spring, it is characterised in that the dust cap and the push rod
Between be provided with push rod retainer plate, the push rod free telescopic slide in the push rod retainer plate.
3. the brake chamber as claimed in claim 1 for possessing rebound spring, it is characterised in that internal portion is provided with circle in described
It is provided with inside groove, the circular groove on the left disk of tappet, the left disk of tappet and is welded with tappet.
4. the brake chamber as claimed in claim 1 for possessing rebound spring, it is characterised in that be located at the circle on the middle body
The second through hole is provided with inside connected in star, the tappet passes through square provided with two circles inside second through hole, second through hole
Groove, the square groove is embedded with circular seal ring.
5. the as claimed in claim 1 brake chamber for possessing rebound spring, it is characterised in that be located at described the on the middle body
One air admission hole side is provided with the second air admission hole, and the second air admission hole injecting compressed air promotes second epithelium to transport backward
It is dynamic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710498445.0A CN107100951A (en) | 2016-01-19 | 2016-01-19 | A kind of brake chamber for possessing rebound spring |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610052083.8A CN105485218A (en) | 2016-01-19 | 2016-01-19 | Disc-type spring brake chamber |
| CN201710498445.0A CN107100951A (en) | 2016-01-19 | 2016-01-19 | A kind of brake chamber for possessing rebound spring |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610052083.8A Division CN105485218A (en) | 2016-01-19 | 2016-01-19 | Disc-type spring brake chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107100951A true CN107100951A (en) | 2017-08-29 |
Family
ID=55672413
Family Applications (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710498445.0A Withdrawn CN107100951A (en) | 2016-01-19 | 2016-01-19 | A kind of brake chamber for possessing rebound spring |
| CN201710498440.8A Withdrawn CN107237847A (en) | 2016-01-19 | 2016-01-19 | A kind of automobile brake chamber |
| CN201710504459.9A Withdrawn CN107228140A (en) | 2016-01-19 | 2016-01-19 | A kind of novel brake chamber |
| CN201610052083.8A Pending CN105485218A (en) | 2016-01-19 | 2016-01-19 | Disc-type spring brake chamber |
| CN201710504454.6A Withdrawn CN107131236A (en) | 2016-01-19 | 2016-01-19 | A kind of improved spring brake chamber |
Family Applications After (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710498440.8A Withdrawn CN107237847A (en) | 2016-01-19 | 2016-01-19 | A kind of automobile brake chamber |
| CN201710504459.9A Withdrawn CN107228140A (en) | 2016-01-19 | 2016-01-19 | A kind of novel brake chamber |
| CN201610052083.8A Pending CN105485218A (en) | 2016-01-19 | 2016-01-19 | Disc-type spring brake chamber |
| CN201710504454.6A Withdrawn CN107131236A (en) | 2016-01-19 | 2016-01-19 | A kind of improved spring brake chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (5) | CN107100951A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2572765B (en) * | 2018-04-09 | 2023-06-21 | Applied Graphene Mat Uk Ltd | Composite materials |
| EP4282722A1 (en) * | 2022-05-24 | 2023-11-29 | ZF CV Systems Europe BV | Piston boot for a brake actuator, and brake actuator comprising a respective piston boot |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2797755Y (en) * | 2005-05-31 | 2006-07-19 | 嘉兴市嘉力达汽车部件有限公司 | Spring braking chamber specially for disc type brake |
| US7121191B1 (en) * | 2005-09-01 | 2006-10-17 | Haldex Brake Corporation | Air-operated brake actuator with control valve |
| CN201487100U (en) * | 2009-09-02 | 2010-05-26 | 嘉兴市嘉力达汽车部件有限公司 | Steel welding dual diaphragm spring brake room |
| CN102086915A (en) * | 2010-12-22 | 2011-06-08 | 芜湖盛力制动有限责任公司 | Diaphragm type spring braking air chamber of truck braking system |
| US20130327209A1 (en) * | 2012-06-11 | 2013-12-12 | Carl Gaufin | Pneumatic brake actuator chamber with rotationally positionable housing |
| CN103742571A (en) * | 2013-12-27 | 2014-04-23 | 芜湖盛力科技股份有限公司 | Double-diaphragm spring brake air chamber for commercial vehicle brake system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5406632B2 (en) * | 2009-08-25 | 2014-02-05 | カヤバ工業株式会社 | Caliper brake device |
| CN102635652A (en) * | 2012-03-28 | 2012-08-15 | 芜湖盛力科技股份有限公司 | Spring energy storage braking chamber for heavy vehicle braking system |
-
2016
- 2016-01-19 CN CN201710498445.0A patent/CN107100951A/en not_active Withdrawn
- 2016-01-19 CN CN201710498440.8A patent/CN107237847A/en not_active Withdrawn
- 2016-01-19 CN CN201710504459.9A patent/CN107228140A/en not_active Withdrawn
- 2016-01-19 CN CN201610052083.8A patent/CN105485218A/en active Pending
- 2016-01-19 CN CN201710504454.6A patent/CN107131236A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2797755Y (en) * | 2005-05-31 | 2006-07-19 | 嘉兴市嘉力达汽车部件有限公司 | Spring braking chamber specially for disc type brake |
| US7121191B1 (en) * | 2005-09-01 | 2006-10-17 | Haldex Brake Corporation | Air-operated brake actuator with control valve |
| CN201487100U (en) * | 2009-09-02 | 2010-05-26 | 嘉兴市嘉力达汽车部件有限公司 | Steel welding dual diaphragm spring brake room |
| CN102086915A (en) * | 2010-12-22 | 2011-06-08 | 芜湖盛力制动有限责任公司 | Diaphragm type spring braking air chamber of truck braking system |
| US20130327209A1 (en) * | 2012-06-11 | 2013-12-12 | Carl Gaufin | Pneumatic brake actuator chamber with rotationally positionable housing |
| CN103742571A (en) * | 2013-12-27 | 2014-04-23 | 芜湖盛力科技股份有限公司 | Double-diaphragm spring brake air chamber for commercial vehicle brake system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105485218A (en) | 2016-04-13 |
| CN107237847A (en) | 2017-10-10 |
| CN107228140A (en) | 2017-10-03 |
| CN107131236A (en) | 2017-09-05 |
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Application publication date: 20170829 |
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| WW01 | Invention patent application withdrawn after publication |