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WO2019114890A1 - Dispositif de réduction de pression pour casserole - Google Patents

Dispositif de réduction de pression pour casserole Download PDF

Info

Publication number
WO2019114890A1
WO2019114890A1 PCT/DE2018/200109 DE2018200109W WO2019114890A1 WO 2019114890 A1 WO2019114890 A1 WO 2019114890A1 DE 2018200109 W DE2018200109 W DE 2018200109W WO 2019114890 A1 WO2019114890 A1 WO 2019114890A1
Authority
WO
WIPO (PCT)
Prior art keywords
lid
pressure
sealing
sealing element
cooking pot
Prior art date
Application number
PCT/DE2018/200109
Other languages
German (de)
English (en)
Inventor
Siegfried Lapawa
Original Assignee
Silag Handel Ag
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Silag Handel Ag filed Critical Silag Handel Ag
Publication of WO2019114890A1 publication Critical patent/WO2019114890A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J27/00—Cooking-vessels
    • A47J27/08—Pressure-cookers; Lids or locking devices specially adapted therefor
    • A47J27/09—Safety devices
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J27/00—Cooking-vessels
    • A47J27/04—Cooking-vessels for cooking food in steam; Devices for extracting fruit juice by means of steam ; Vacuum cooking vessels
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J27/00—Cooking-vessels
    • A47J27/08—Pressure-cookers; Lids or locking devices specially adapted therefor

Definitions

  • the invention relates to a pressure reducing device for a cooking pot, in particular hybrid pressure cooker comprising at least one lid with a safety valve or pressure relief valve.
  • Cooking pots are usually delivered with a lid, which is used for closing. As far as it is a simple saucepan, this lid is removable at any time and also fulfills no special function.
  • hybrid pressure cookers are equipped with a lid and an overpressure or safety valve, whereby the lid is held on the pressure cooker by suitable means. As a rule, this locking means are used, which embrace the lid and an existing edge of the pressure cooker, so that a secure fit is ensured.
  • pressure cookers operate on the principle of Siedeticianerhöhung, so that on the one hand is required that the lid is firmly connected to the cooking pot and on the other hand, a pressure relief valve is provided, via which the working pressure can be adjusted.
  • a safety valve or a combination of safety and overpressure valve could additionally be provided so that the desired pressure regulation can take place and in the event of an undesired pressure increase during the cooking process, an automatic pressure reduction takes place.
  • the pressure cookers are here as
  • Pressure cookers or steam cooking appliances of general type use the steam at an elevated pressure to cook the food.
  • the use of steam as a heat transfer medium is known.
  • steam cooking devices may employ the vapor at atmospheric pressure as in U.S. Patent No. 4,011,805 with heat transfer by correction.
  • U.S. Patent No. 4,172,315 steam is known as a heat transfer medium at atmospheric pressure, also with forced convection heat transfer.
  • water is introduced into the bottom of a steam chamber, and a heat source outside this chamber heats this water to produce steam.
  • the chamber is vented to maintain the pressure within the cooking vessel at approximately atmospheric pressure.
  • Such Dampfgarvoriquesen can use the steam at an elevated pressure as in the well-known pressure cooker.
  • the present invention is therefore an object of the invention to provide a device that allows the production of a vacuum in a conventional saucepan or hybrid pressure cooker to keep the food fresh in a saucepan.
  • connection element sealingly placed on the safety or pressure relief valve and the
  • the lid has at least one sealing element which is provided for sealing overpressure and / or negative pressure.
  • the connecting element according to the invention can with any pressure cooker
  • Safety valve or pressure relief valve are placed in such a way that the safety valve is enclosed.
  • a sealing element With a sealing element, the connection element is sealed against the cover, so that the gap between Connection element and cover as well as the safety valve of the cooking chamber of the pressure cooker can be vacuumed.
  • the configuration of the sealing element takes place in such a way that a sealing of overpressure but possibly also of negative pressure follows.
  • An essential part of the cover here is a safety or pressure relief valve, so that when a preset steam pressure is exceeded, the steam can escape via the valve.
  • the pressure reduction devices can be placed on almost every cover of a hybrid pressure cooker mithiife the Raneiementes, as far as a safety or pressure relief valve is present. About the safety or pressure relief valve mithiife one
  • Vacuum unit sucked the air out of the pot, so that after completion of the cooking process, the food preparation can be stored after its cooling for a long period of time.
  • the lid is provided with a sealing element, for example, to perform the cooking process under pressure.
  • a separate or modified sealing element is used to generate the negative pressure.
  • the connecting element consists of a cap, a check valve, a Wrasenknopf and a lock cylinder.
  • the cap is gestüipt directly to the safety valve or pressure relief valve, the cap is provided for receiving the check valve, so that after reaching the desired vacuum, the air can not get back into the pressure cooker.
  • the lock cylinder serves for connection, for example a vacuum pump and is bolted to the cap to a unit which is axially movable spring-biased within the Wrasenknopfes.
  • the cap can be placed on the safety valve or pressure relief valve this is bell-shaped towards the lid and has a circumferential elastic seal, which comes to rest directly on the lid of the cooking pot.
  • the vacuum pump As far as the vacuum pump is used, the air between the cap and the lid and the air is sucked out of the pressure cooker via the check valve first.
  • the cap is pressed firmly by the resulting vacuum on the lid, so that a different attachment of the cap over the lid is not required. Only when an overpressure in the pressure cooker is created by heating the food or air is supplied via a second valve in the interior of the pressure cooker, the cap can be removed with steam button again.
  • the sealing element provided for the closure cap is in this case with a
  • connection element has a cylindrical end portion, softer in a stepped bore
  • the closure cylinder and the closure cap thus form a two-part but firmly interconnected unit which is mounted axially movable within the Wrasenknopfes, with the help of a compression spring is carried out against the Wrasenknopf.
  • the check valve preferably consists of a ball check valve, which is received in a stepped bore of the cap. Above the ball check valve, the lock cylinder is screwed, so on the one hand the Agility of the ball is limited and on the other hand, a direct suction from the Verschiusskappe starting up to the upper approach for a vacuum pump is present.
  • a sealing element is additionally arranged between the upper end portion and the Verschiusszylinder to the suction against the
  • a free space is formed, in which a Federeiement rests, which is supported against the Wrasenknopf, so that the lock cylinder and the cap in the Wrasenknopf are resiliently movable up and down.
  • the Verschiusszylinder further has a bore which extends from the bore of the end portion, up to the exposed end of the Verschiusszylinders and serves as a connection for a vacuum pump.
  • the Wrasenknopf itself is frusto-conical and formed in the lower portion aligned to the lid also bell-shaped, so that the cap is covered and the Wrasenknopf comes to rest against the lid to support the pressure reducing device against the lid when the cap on the lid with the elastic seal rests.
  • the Wrasenknopf limited hereby the mobility of the cap in the axial direction and in this way allows that when creating the vacuum, the seal, in particular the sealing lip firmly on the lid of the
  • Pressure cooker is pressed.
  • the production of the necessary lid can in this case be made of metal, in particular stainless steel, but it is also possible to use a lid made of plastic, which may for example be at least partially transparent.
  • Both types of lids must be equipped with a safety or overpressure valve, so that the pressure reduction device can be placed with the connection element.
  • a lid is sufficient, which is used both for cooking the food or for storing the food under vacuum.
  • a special lid with hardeners is used only for cooking and another lid only for Production of the vacuum, so that the use in normal cooking pots is possible.
  • Both covers must have a safety or overpressure valve.
  • the lid As far as the lid is made of plastic, it may be reinforced via annular and / or radical ribs, so that a sufficient stability is ensured.
  • the proposed sealing element must be used for both positive pressure and negative pressure.
  • the seal of this cover makes a seal at low pressure.
  • the seal itself can be made in one piece, but it is also possible that two separate seals are provided for each cover, one being used for the overpressure and the other for the negative pressure.
  • the seal has at least one sealing lip, which rests under vacuum on the inner wall of the pot.
  • the seal has at least one further sealing lip, which bears against the lid under vacuum.
  • Pot inner wall rests, and / or that the seal of the lid rests in a recess of a plastic lid and rests with a sealing lip on the pot inner wall.
  • This first sealing lip which allows a seal against the inner wall pot is provided here for the generation of the vacuum.
  • a opposite to the lid or by a slotted design a has additional sealing surface against the lid.
  • This particular form of seal thus has a second sealing lip or sealing surface which comes into contact with the lid so that improved sealing of the cooking pot and the lid is possible.
  • the seal has an integrally formed sealing strip, which rests against the inner wall of the pot and seals the pot against pressure.
  • the particular advantage of the present invention is that mithirfe the pressure reduction device, a conventional saucepan or pressure cooker can be used both for cooking food and beyond the ready-cooked food can be stored after cooling under vacuum.
  • mithiife a vacuum pump after the cooking process to create a vacuum within the cooking pot or pressure cooker.
  • vacuuming can take place after cooling in order to shorten the period of storage.
  • the pressure reducing device is in this case constructed in such a way that it can be placed on any conventional safety valve or pressure relief valve, that is can be slipped open and on the existing channel of overpressure or safety valve extraction of the air contained in the pressure cooker is possible.
  • To open the pressure cooker can compensate for this by heating the existing vacuum or via a second ventii air can be introduced into the interior of the pressure cooker.
  • a movement of the overpressure or safety valve for ventilation is sufficient, this can be done by pulling on the valve seal.
  • FIG. 1 shows a pressure reduction device 1 in a sectional side view.
  • the pressure reduction device 1 consists of a Verschiusskappe 2, a
  • Pressure reducing device 1 is provided for placement on an existing safety 6 or pressure relief valve, which is received in a cylindrical Anformung 7 a lid 8.
  • the lid 8 can here from Metai! or plastic.
  • the pressure reducing device 1 is placed, so that a sealing element 9 of the
  • Closure cap 2 comes to rest with its sealing lip 10 directly on the lid 8.
  • the sealing element 9 with a base body 11 and the integrally formed sealing lip 10 is received and anchored in a recess 12 of the closure cap 2.
  • the Verschiusskappe 2 is manually pressed down, so that the sealing lip 10 comes into contact with the lid 8.
  • the Verschiusskappe 2 is for this purpose in the lower area in
  • the end portion 13 is integrally connected to the cap 2 and has a stepped bore 14, which opens on the one hand above the safety 6 and pressure relief valve and the check valve 3 receives in an enlarged stepped bore 15.
  • a threaded bore 16 is present, in which the lock cylinder 5 is screwed.
  • a seal 17 is arranged to prevent air ingress during suction.
  • the stepped bore 14 of the closure cap 2 is guided through a further bore 18 of the closure cylinder 5 to the outwardly projecting end.
  • the end is chamfered and serves to connect, for example, a vacuum pump.
  • the air from the bore 18, the stepped bore 14 and thus from the interior 19 of the bell-shaped cap 2 and the safety 6 or pressure relief valve 6 are sucked out of the interior of the cooking pot, not shown.
  • the closure cap 2 is pressed together with the closure cylinder 5 against the lid 8, whereby a renewed air inlet is prevented via the check valve 3 with seal 20.
  • a ventilation of the pressure cooker can only be done via another valve, which can be opened manually or if, for example, the existing food in the pressure cooker is heated, so that an overpressure arises. Once the negative pressure is released, the pressure reducing device 1 can be removed from the safety 6 or pressure relief valve.
  • the cap 2 and the lock cylinder 5 are axially movable within the Wrasenknop- 4, the Wrasenkrtopf with the lower end 8 associated with the end is also bell-shaped, with a conical wall 21, the bell shape is achieved.
  • the conical wall 21 comes to lie on the cover 8
  • the Wrasenkopf 4 is supported relative to the cover 8 and the cap 2 with lock cylinder 5 as a unit can move axially in a bore 22 of the lock cylinder 5, wherein a spring bias by a spring is achieved, which is arranged in a free space 24 and is supported against the vapor button 4.
  • the closure cap 2 Due to the vacuum, the closure cap 2 is pressed together with the closure cylinder 5 against the cover 8 and ensured by the check valve 3 that no air enters the interior of the pressure cooker. As far as an air supply via another valve, the cap 2 can be lifted with lock cylinder 5 of the lid 8 and remove manually.
  • FIG. 2 shows, in a sectional partial view, a lid 31 placed on a cooking pot 30.
  • the lid 31 is hereby connected by a holding device 32 to the edge 33 of the cooking pot 30.
  • the holding device 32 is part of a
  • Locking unit which can be placed on the lid 31 and is provided for connecting cooking pot 30 and lid 31, so that a cooking process under pressure in the cooking pot 30 can take place.
  • the lid 31 is adapted at the edge to the outer diameter of the cooking pot 30 and has a fillet groove 34 by a rounded shape.
  • a sealing element 35 In the fillet groove 34 is a sealing element 35, namely circumferentially over the entire lid edge.
  • the sealing element 35 consists of a beaded sealing body 36, on which a first beaded sealing lip 37 is formed.
  • the sealing lip 37 is in this case designed so that it rests against the inner side 38 of the cooking pot 30 and allows a seal during the cooking process, so that an overpressure in the cooking pot 30 is formed.
  • the sealing element 35 has a sealing lip 39, which is integrally connected to the sealing element 35 and abuts with a sealing surface 40 directly to the upper edge of the cooking pot 30 or 30 comes into contact with the creation of a vacuum within the cooking pot 30.
  • the sealing lip 39 is formed substantially more elastic than the molded sealing lip 37th
  • seal member 35 it is possible with the seal member 35 to make a seal at an overpressure in the interior of the saucepan 30, but also in the
  • FIG. 3 shows in a sectional partial view a further solution with one
  • Plastic lid 41 which can be placed on an identical saucepan 30 and in this case comes to rest with its edge region 42 on the upper edge 43 of the saucepan 30.
  • An identical holding device 32 makes it possible to connect the plastic lid 41 to the cooking pot 30, so that in the event of an overpressure within the cooking pot 30, the plastic lid 41 can not lift off.
  • a plastic cover 41 which is reinforced by ribs 44, which may extend partially radially and partly in the circumferential direction.
  • the plastic lid 41 is further equipped with a sealing element 45, which is received in a recess 46 of the plastic lid 41.
  • the sealing element 45 consists of a sealing body 47, which on the inside of the lid 41 on the one hand bears and with a projection 48 in the
  • An integrally formed sealing tongue 49 rests against the inner side 38 of the cooking pot 30 and, in the case of overpressure, seals the lid relative to the cooking pot 30 insofar as an existing overpressure in the interior space can only escape via the safety or overpressure valve.
  • a sealing lip 50 is provided, which is integrally formed on the sealing element 45 and in the case of a negative pressure at the upper edge 43 of the cooking pot 30 comes to rest. In this way, thus an ingress of air into the interior of the cooking pot 30th

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Cookers (AREA)

Abstract

L'invention concerne un dispositif de réduction de pression (1) pour une casserole (30), notamment un autocuiseur hybride, comprenant au moins un couvercle (8) pourvu d'une soupape de sûreté (6) ou soupape de surpression. Selon l'invention, pour maintenir les aliments frais dans une casserole (30) après le processus de cuisson, il prévu que, dans le cas d'une casserole ou d'un autocuiseur hybride classique, un vide soit produit, un élément de raccordement pouvant être disposé de manière étanche sur la soupape de sûreté (6) ou la soupape de surpression et permettant le raccordement d'un appareil produisant un vide, le couvercle (8, 31) présentant au moins un élément d'étanchéité, lequel est prévu pour une surpression et/ou une dépression.
PCT/DE2018/200109 2017-12-12 2018-11-29 Dispositif de réduction de pression pour casserole WO2019114890A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017011432.3A DE102017011432B3 (de) 2017-12-12 2017-12-12 Druckminderungseinrichtung für einen Kochtopf
DE102017011432.3 2017-12-12

Publications (1)

Publication Number Publication Date
WO2019114890A1 true WO2019114890A1 (fr) 2019-06-20

Family

ID=64745772

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2018/200109 WO2019114890A1 (fr) 2017-12-12 2018-11-29 Dispositif de réduction de pression pour casserole

Country Status (2)

Country Link
DE (1) DE102017011432B3 (fr)
WO (1) WO2019114890A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11134808B2 (en) 2020-03-30 2021-10-05 Sharkninja Operating Llc Cooking device and components thereof
WO2022267101A1 (fr) * 2021-06-25 2022-12-29 杭州荣灿科技有限公司 Autocuiseur avec état de vide à pression négative
US11627834B2 (en) 2017-08-09 2023-04-18 Sharkninja Operating Llc Cooking system for cooking food
US11751710B2 (en) 2019-02-25 2023-09-12 Sharkninja Operating Llc Guard for cooking system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008009247A1 (de) * 2008-02-07 2009-08-13 Rieber Gmbh & Co. Kg Deckel für Speisenbehälter
EP2671476A2 (fr) * 2012-06-08 2013-12-11 Tecla S.r.l. Insert pour couvercles et/ou de récipients de cuisson d'aliments sous vide
US20140348987A1 (en) * 2013-05-23 2014-11-27 Meyer Intellectual Properties Ltd. Low-pressure cooking method and cookware vessel adapted for the same

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4011805A (en) 1975-02-19 1977-03-15 Alco Standard Corporation Convection steamer apparatus and method for processing food items or the like
US4173215A (en) 1977-12-05 1979-11-06 Mscan Metal Canada Limitee Apparatus for steaming foods
DE20113356U1 (de) 2001-08-10 2002-12-19 Synkrona Ag, Stans Schließvorrichtung für einen Behälter
WO2014047360A1 (fr) 2012-09-20 2014-03-27 Meyer Intellectual Properties Ltd. Récipient de batterie de cuisine doté d'un couvercle pouvant être fermé hermétiquement

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008009247A1 (de) * 2008-02-07 2009-08-13 Rieber Gmbh & Co. Kg Deckel für Speisenbehälter
EP2671476A2 (fr) * 2012-06-08 2013-12-11 Tecla S.r.l. Insert pour couvercles et/ou de récipients de cuisson d'aliments sous vide
US20140348987A1 (en) * 2013-05-23 2014-11-27 Meyer Intellectual Properties Ltd. Low-pressure cooking method and cookware vessel adapted for the same

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11627834B2 (en) 2017-08-09 2023-04-18 Sharkninja Operating Llc Cooking system for cooking food
US11751710B2 (en) 2019-02-25 2023-09-12 Sharkninja Operating Llc Guard for cooking system
US11134808B2 (en) 2020-03-30 2021-10-05 Sharkninja Operating Llc Cooking device and components thereof
US11647861B2 (en) 2020-03-30 2023-05-16 Sharkninja Operating Llc Cooking device and components thereof
US11678765B2 (en) 2020-03-30 2023-06-20 Sharkninja Operating Llc Cooking device and components thereof
US11969118B2 (en) 2020-03-30 2024-04-30 Sharkninja Operating Llc Cooking device and components thereof
WO2022267101A1 (fr) * 2021-06-25 2022-12-29 杭州荣灿科技有限公司 Autocuiseur avec état de vide à pression négative
WO2022267321A1 (fr) * 2021-06-25 2022-12-29 杭州荣灿科技有限公司 Autocuiseur avec état de vide à pression négative

Also Published As

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