CN113017407A - Pressure cooker and pressure release device thereof - Google Patents
Pressure cooker and pressure release device thereof Download PDFInfo
- Publication number
- CN113017407A CN113017407A CN201911350403.8A CN201911350403A CN113017407A CN 113017407 A CN113017407 A CN 113017407A CN 201911350403 A CN201911350403 A CN 201911350403A CN 113017407 A CN113017407 A CN 113017407A
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- pressure
- cavity
- air flow
- cooker
- accommodating cavity
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- 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
- A47J27/0802—Control mechanisms for pressure-cookers
-
- 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
-
- 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
Abstract
The invention discloses a pressure cooker and a pressure release device thereof, wherein the pressure release device comprises a shell, a cover body covered on the shell and an exhaust nozzle connected with the shell, wherein the shell is used for forming a first accommodating cavity and a second accommodating cavity in a matching way with the shell; the exhaust nozzle is provided with a first air flow channel which is communicated with the cooking cavity and the first accommodating cavity of the pressure cooker, so that pressure gas in the cooking cavity flows into the first accommodating cavity in a pressure reduction mode; the first containing cavity is communicated with the second containing cavity through the second airflow channel, and the second airflow channel enables pressure gas in the first containing cavity to flow into the second containing cavity in a pressure reduction mode and to flow in the second containing cavity in a rotating mode, so that gas-liquid separation is achieved under the action of centrifugal force. The invention can effectively inhibit the generation of steam in the pressure cooker by reducing the pressure twice, can ensure that the pressure cooker can continuously exhaust to release the pressure, effectively shortens the uncovering time of the pressure cooker and has higher safety.
Description
Technical Field
The invention relates to the technical field of kitchen appliances, in particular to a pressure cooker and a pressure release device thereof.
Background
The pressure cooker applies pressure to water contained in the pressure cooker by utilizing the principle that the boiling point of liquid is higher under higher air pressure, so that the water can reach higher temperature without boiling, the speed of stewing food materials can be accelerated, and the cooking time is saved. After cooking is completed, it is usually necessary to release the pressure inside the pressure cooker, so that the pressure inside the pressure cooker is the same as the external atmospheric pressure, and the risk of scalding due to food overflow is avoided.
The inventor of the present application found in long-term research and development that, in the process of releasing pressure, the pressure inside the pressure cooker is rapidly reduced to cause the temperature of the liquid inside the pressure cooker to be higher than the boiling point temperature of the liquid, so that partial liquid vaporization occurs, when the liquid has a certain viscosity, the gas formed by vaporization expands from the inside of the liquid, bubbles are generated, and the liquid or solid particles on the bubbles are ejected along with the gas, which affects the safety and cleanliness of the pressure cooker. At present, the pressure in the pressure cooker is reduced mainly by intermittent exhaust or cooling the temperature in the pressure cooker, and the cover opening needs a long time.
Disclosure of Invention
The invention provides a pressure cooker and a pressure release device thereof, which are used for solving the technical problems that in the prior art, liquid is easy to vaporize and generate bubbles in the pressure cooker in the pressure release process, and liquid and/or solid on the bubbles are easy to spray out along with gas, so that potential safety hazards are caused and the cleaning is inconvenient.
In order to solve the above technical problem, one technical solution adopted by the present invention is to provide a pressure release device for a pressure cooker, comprising:
a housing;
the cover body is covered on the shell and is used for being matched with the shell to form a first accommodating cavity and a second accommodating cavity;
the exhaust nozzle is connected with the shell and is provided with a first air flow channel which is communicated with the cooking cavity of the pressure cooker and the first accommodating cavity so that the pressure gas in the cooking cavity flows into the first accommodating cavity in a pressure reduction mode;
the first containing cavity is communicated with the second containing cavity through a second airflow channel, and the second airflow channel enables the pressure gas in the first containing cavity to flow into the second containing cavity in a pressure reduction mode and to rotate and flow in the second containing cavity, so that gas-liquid separation is realized under the action of centrifugal force, and the gas-liquid separation is discharged through a third airflow channel on the cover body.
In an embodiment, a switch assembly is further disposed on the cover body, and the switch assembly extends into the first accommodating cavity and is used for selectively opening and closing the first air flow channel.
In a specific embodiment, the switch assembly includes a blocking member, an elastic member, and a lifting rod, the elastic member elastically presses the blocking member against an outlet end of the first air flow passage connected to the first accommodating cavity to close the first air flow passage, and the lifting rod is connected to the blocking member and extends to the outside of the cover body, so that a user can separate the blocking member from the outlet end of the first air flow passage through the lifting rod to open the first air flow passage.
In a specific embodiment, the cover body is provided with a first mounting hole, an annular bearing platform is arranged on the side wall of the first mounting hole, the plugging member comprises a flexible cylinder body, and an annular flange and a plugging head which are connected to two ends of the flexible cylinder body, the switch assembly further comprises a pressing ring, the pressing ring presses and fixes the annular flange to one side, away from the first accommodating cavity, of the annular bearing platform, the lifting rod extends into the flexible cylinder body through the pressing ring and is connected with the plugging head, the elastic member is arranged in the flexible cylinder body and is elastically supported between the pressing ring and the plugging head, and then the plugging head is elastically supported and pressed at the outlet end of the first airflow channel.
In a specific embodiment, the switch assembly further includes a lifting rod sealing ring and a locking ring, the lifting rod sealing ring is sleeved on the periphery of the lifting rod and is abutted against the inner wall of the pressing ring or the inner wall of the first mounting hole under the pressing and holding effect of the locking ring, and the flexible cylinder is further sealed.
In a specific embodiment, the housing is provided with a second mounting hole, and one end of the exhaust nozzle is sleeved with a flexible sleeve and is inserted and fixed in the second mounting hole.
In an embodiment, the second airflow channel is tangential to a sidewall of the second accommodating chamber.
In a specific embodiment, a groove communicating the first receiving cavity and the second receiving cavity is disposed on a side of the housing facing the cover, and the pressure release device further includes a sealing member covering the groove or embedded in the groove, so as to form the second airflow channel.
In a specific embodiment, the width of the second airflow channel is 0.8mm to 3mm, the diameter of the second accommodating cavity is 60mm to 120mm, the height of the second accommodating cavity is 20mm to 60mm, and the width of the third airflow channel is 2.5mm to 6 mm.
In order to solve the technical problem, another technical scheme adopted by the invention is to provide a pressure cooker, which comprises a cooker body, a cooker cover and the pressure release device, wherein the cooker cover is arranged on the cooker body, and the pressure release device is arranged on the cooker cover.
According to the invention, the shell and the cover body are arranged on the pressure release device to form the first accommodating cavity and the second accommodating cavity, the exhaust nozzle connected with the shell is arranged, so that pressure gas in a cooking cavity of the pressure cooker flows into the first accommodating cavity through the exhaust nozzle in a pressure reduction mode, and the pressure gas in the first accommodating cavity flows into the second accommodating cavity in a pressure reduction mode, the generation of steam in the pressure cooker can be effectively inhibited through two-time pressure reduction, the pressure gas flows in the second accommodating cavity in a rotating mode, and further gas-liquid separation is realized under the action of centrifugal force, so that the pressure cooker can continuously exhaust gas to release pressure, the uncovering time of the pressure cooker is effectively shortened, and the safety is higher.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a schematic perspective view of an embodiment of a pressure relief device for a pressure cooker according to the present invention;
FIG. 2 is a schematic side view of a pressure relief device of the pressure cooker of the present invention;
FIG. 3 is a schematic cross-sectional view of the pressure relief device of FIG. 2 taken along direction A-A;
FIG. 4 is a schematic cross-sectional view of the pressure relief device of FIG. 2 taken along the line B-B;
FIG. 5 is a schematic diagram of an exploded structure of an embodiment of the pressure relief device of the pressure cooker of the present invention;
FIG. 6 is a schematic perspective view of a pressure relief device of an embodiment of the pressure cooker of the present invention;
FIG. 7 is a schematic perspective view of a cover of an embodiment of a pressure release apparatus of a pressure cooker according to the present invention;
FIG. 8 is a schematic sectional view of a closure in an embodiment of a pressure relief device of the pressure cooker of the present invention;
FIG. 9 is a schematic sectional view of an embodiment of a pressure relief device of the pressure cooker of the present invention with the switch assembly in an open state;
fig. 10 is a schematic perspective view of the pressure cooker of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
The terms "first" and "second" in this application are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless explicitly specifically limited otherwise. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus. While the term "and/or" is merely one type of association that describes an associated object, it means that there may be three types of relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
Referring to fig. 1 to 4, the pressure release apparatus 10 of the pressure cooker of the present invention includes a housing 100, a cover 200 and an exhaust nozzle 300, wherein the cover 200 is covered on the housing 100 and is used to cooperate with the housing 100 to form a first accommodating cavity 110 and a second accommodating cavity 120; the exhaust nozzle 300 is connected with the housing 100 and is provided with a first air flow passage 310, and the first air flow passage 310 is communicated with the cooking cavity of the pressure cooker and the first accommodating cavity 110, so that the pressure gas in the cooking cavity flows into the first accommodating cavity 110 in a pressure reduction manner; the first receiving chamber 110 and the second receiving chamber 120 are communicated with each other through a second airflow channel (not shown), and the second airflow channel allows the pressure gas in the first receiving chamber 110 to flow into the second receiving chamber 120 in a pressure reduction manner, and to rotate in the second receiving chamber 120, so that gas-liquid separation is achieved under the action of centrifugal force, and then the gas is discharged through the third airflow channel 210 on the cover 200.
In the embodiment of the present invention, the casing 100 and the cover 200 are disposed on the pressure release device 10 to form the first accommodating chamber 110 and the second accommodating chamber 120, and the exhaust nozzle 300 connected to the casing 100 is disposed, so that the pressure gas in the cooking chamber of the pressure cooker flows into the first accommodating chamber 110 through the exhaust nozzle 300 in a pressure reduction manner, and the pressure gas in the first accommodating chamber 110 flows into the second accommodating chamber 120 in a pressure reduction manner, and the generation of steam in the pressure cooker can be effectively inhibited through two pressure reductions, and the pressure gas flows in the second accommodating chamber 120 in a rotating manner, so that gas-liquid separation is realized under the action of centrifugal force, so that the pressure cooker can continuously exhaust to release pressure, thereby effectively shortening the time for opening the cover of the pressure cooker, and having high safety.
In the present embodiment, the second accommodating chamber 120 is substantially cylindrical, and the second airflow channel is disposed in a tangent manner with a sidewall of the second accommodating chamber 120, so that the airflow remaining to the second accommodating chamber 120 through the second airflow channel flows into the second accommodating chamber 120 along a direction tangent to the sidewall of the second accommodating chamber 120, and then flows in the second accommodating chamber 120 in a rotating manner, and further centrifugal force can be generated to separate gas from liquid in the airflow.
In the present embodiment, the diameter of the second accommodating cavity 120 is 60mm to 120mm, such as 60mm, 100mm or 120 mm. The height of the second receiving cavity 120 is 20mm to 60mm, for example 20mm, 40mm or 60 mm. The second receiving chamber 120 can also play a role of maintaining the gas pressure while realizing gas-liquid separation, so that the pressure of the gas can be greater than the external atmospheric pressure, and the gas can be smoothly discharged out of the pressure cooker.
In this embodiment, a groove 130 communicating the first receiving chamber 110 and the second receiving chamber 120 is disposed on a side of the housing 100 facing the cover 200, and the pressure relief device further includes a sealing member 140 covering the groove 130 or embedded in the groove 130, so as to form a second air flow channel. In other embodiments, the second air flow channel may also be formed on the sealing member 140, which is not limited herein. By making the groove 130 in a half-open state, it can be easily cleaned.
In this embodiment, the cross-section of the second air flow channel is circular and the diameter of the second air flow channel is 0.8mm to 3mm, for example 0.8mm, 2mm or 3 mm. Through setting up second airflow channel into the pore, can make the gas that passes through from second airflow channel produce the damping effect to make the velocity of flow of gas slow down, the flow reduces, thereby makes the air current become gentle from the state that flows rapidly, and then plays the effect of step-down, is favorable to restraining the vaporization phenomenon of liquid in the pressure cooker.
In other embodiments, the cross-section of the second airflow channel may also be rectangular, D-shaped, semicircular, etc., and the width thereof is 0.8mm to 3mm, which is not limited herein.
In the present embodiment, the cross-section of the third air flow channel 210 is circular, and the diameter of the third air flow channel 210 is 2.5mm to 6mm, such as 2.5mm, 3.5mm or 6 mm. By limiting the width of the third airflow channel 210, the size of the cavity of the second accommodating cavity 120 can be matched, the air pressure in the second accommodating cavity 120 is kept larger than the external atmospheric pressure, and the effect of reducing noise can be achieved.
In other embodiments, the cross-section of the third air flow channel 210 may also be a rectangular or other shaped hole with a width of 0.8mm to 3mm, which is not limited herein.
Referring to fig. 5 to 7 together, in the present embodiment, a switch assembly 400 is further disposed on the cover 200, and the switch assembly 400 extends into the first accommodating cavity 110 and is used for selectively opening and closing the first air flow channel 310. By closing the first air flow passage 310, the pressure cooker can be pressurized, and by opening the first air flow passage 310, the pressure gas in the pressure cooker can be decompressed.
In this embodiment, the switch assembly 400 includes a blocking member 410, an elastic member 420 and a lifting rod 430, the elastic member 420 elastically presses the blocking member 410 against the outlet end of the first air flow channel 310 connected to the first accommodating cavity 110 to close the first air flow channel 310, and the lifting rod 430 is connected to the blocking member 410 and extends to the outside of the cover 200, so that the user can separate the blocking member 410 from the outlet end of the first air flow channel 310 through the lifting rod 430 to open the first air flow channel 310.
In this embodiment, the cover 200 is provided with a first mounting hole 220, a ring-shaped bearing platform 221 is provided on a side wall of the first mounting hole 220, and referring to fig. 8, the blocking member 410 includes a flexible cylinder 411, and a ring-shaped flange 412 and a blocking head 413 connected to two ends of the flexible cylinder 411, the switch assembly 400 further includes a pressing ring 440, the pressing ring 440 presses and fixes the ring-shaped flange 412 on a side of the ring-shaped bearing platform 221 away from the first receiving cavity 110, the lifting rod 430 extends into the flexible cylinder 411 through the pressing ring 440 and is connected with the blocking head 413, the elastic member 420 is disposed in the flexible cylinder 411 and is elastically supported between the pressing ring 440 and the blocking head 413, so as to elastically support the blocking head 413 against an outlet end of the first air flow channel 310.
In this embodiment, the switch assembly 400 further includes a lifting rod sealing ring 450 and a locking ring 460, the lifting rod sealing ring 450 is sleeved on the periphery of the lifting rod 430 and abuts against the inner wall of the first mounting hole 220 under the pressing and holding effect of the locking ring 460, so as to seal the flexible cylinder 411. Wherein the poppet seal 450 is sandwiched between the first poppet seal 450 and the locking ring 460. In other embodiments, the poppet sealing ring 450 may also abut against the inner wall of the pressing ring 440 under the pressing action of the locking ring 460, which is not limited herein.
By disposing the elastic member 420 in the sealed space formed by the flexible cylinder 411 and the lifting rod sealing ring 450, the elastic member 420 can be prevented from being contaminated when the exhaust pressure relief and pressure release device is cleaned, and the service life of the elastic member 420 can be effectively prolonged.
In this embodiment, the housing 100 is provided with a second mounting hole 150, and one end of the exhaust nozzle 300 is sleeved with a flexible sleeve 320 and is inserted and fixed in the second mounting hole 150. The sealing between the exhaust nozzle 300 and the blocking piece 410 can be further enhanced by providing the flexible sleeve 320.
In this embodiment, the end of the lifting bar 430 away from the blocking piece 410 may be further provided with a handle 470 for the user to hold.
Referring to fig. 9, in detail, when the food in the pressure cooker is cooked and needs to be exhausted, the handle 470 is lifted by the user, the blocking member 410 is separated from the outlet end of the first air flow channel 310, the pressure air in the pressure cooker forms an air flow from the cooking cavity through the first air flow channel 310 and enters the first accommodating cavity 110, and the pressure of the air flow is reduced for the first time due to the damping effect; then, the air flows through the second air flow channel and enters the second accommodating cavity 120, the pressure of the air flow is reduced for the second time due to the damping effect, and the direction of the air flow is tangential to the side wall of the second accommodating cavity 120, the air flow rotates in the second accommodating cavity 120, and the air-liquid separation phenomenon is generated due to the centrifugal force effect, so that the liquid flows in the second accommodating cavity 120, and the air is discharged through the third air flow channel 210.
In the present embodiment, the force F applied to the blocking member 410 is p × S, where p is the pressure of the air pressure in the cooking cavity and S is the outlet area of the exhaust nozzle 300. When the pressure control system in the pressure cooker fails, the pressure in the cooking cavity of the pressure cooker is higher than the rated working pressure, when the force applied to the blocking piece 410 is higher than the pre-tightening force of the elastic piece 420, the spring contracts, the blocking piece 410 is separated from the outlet end of the first air flow channel 310, and the pressure gas in the cooking cavity is discharged through the pressure release device, so that the overpressure and pressure relief protection functions are realized. The pressure relief process is similar to the normal exhaust process, and is not described herein again.
Referring to fig. 10, the pressure cooker of the present invention includes a cooker body 20, a cooker cover 30 and a pressure release device 10, wherein the cooker cover 30 is covered on the cooker body 20, and the pressure release device 10 is disposed on the cooker cover 30.
The specific structure of the pressure release device 10 is described in the above embodiments of the pressure release device 10, and is not described herein again.
In the embodiment of the present invention, the casing 100 and the cover 200 are disposed on the pressure release device 10 to form the first accommodating chamber 110 and the second accommodating chamber 120, and the exhaust nozzle 300 connected to the casing 100 is disposed, so that the pressure gas in the cooking chamber of the pressure cooker flows into the first accommodating chamber 110 through the exhaust nozzle 300 in a pressure reduction manner, and the pressure gas in the first accommodating chamber 110 flows into the second accommodating chamber 120 in a pressure reduction manner, and the generation of steam in the pressure cooker can be effectively inhibited through two pressure reductions, and the pressure gas flows in the second accommodating chamber 120 in a rotating manner, so that gas-liquid separation is realized under the action of centrifugal force, so that the pressure cooker can continuously exhaust to release pressure, thereby effectively shortening the time for opening the cover of the pressure cooker, and having high safety.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A pressure relief device for a pressure cooker, comprising:
a housing;
the cover body is covered on the shell and is used for being matched with the shell to form a first accommodating cavity and a second accommodating cavity;
the exhaust nozzle is connected with the shell and is provided with a first air flow channel which is communicated with the cooking cavity of the pressure cooker and the first accommodating cavity so that the pressure gas in the cooking cavity flows into the first accommodating cavity in a pressure reduction mode;
the first containing cavity is communicated with the second containing cavity through a second airflow channel, and the second airflow channel enables the pressure gas in the first containing cavity to flow into the second containing cavity in a pressure reduction mode and to rotate and flow in the second containing cavity, so that gas-liquid separation is realized under the action of centrifugal force, and the gas-liquid separation is discharged through a third airflow channel on the cover body.
2. The pressure relief device of claim 1, wherein the cover further has a switch assembly disposed thereon, the switch assembly extending into the first receiving cavity and being configured to selectively open and close the first air flow passage.
3. The pressure relief device according to claim 2, wherein the switch assembly comprises a blocking member, an elastic member and a lifting rod, the elastic member elastically presses the blocking member against the outlet end of the first air flow passage connected to the first receiving cavity to close the first air flow passage, and the lifting rod is connected to the blocking member and extends to the outside of the cover body, so that the user can separate the blocking member from the outlet end of the first air flow passage through the lifting rod to open the first air flow passage.
4. The pressure release device of claim 3, wherein the cover body is provided with a first mounting hole, an annular bearing platform is arranged on the side wall of the first mounting hole, the plugging member comprises a flexible cylinder, and an annular flange and a plugging head which are connected to two ends of the flexible cylinder, the switch assembly further comprises a pressing ring, the pressing ring presses and fixes the annular flange to one side of the annular bearing platform, which is far away from the first accommodating cavity, the lifting rod extends into the flexible cylinder through the pressing ring and is connected with the plugging head, the elastic member is arranged in the flexible cylinder and is elastically supported between the pressing ring and the plugging head, and the plugging head is elastically supported and pressed at the outlet end of the first airflow channel.
5. The pressure relief device of claim 4, wherein the switch assembly further comprises a lifting rod sealing ring and a locking ring, the lifting rod sealing ring is sleeved on the periphery of the lifting rod and abuts against the inner wall of the pressing ring or the inner wall of the first mounting hole under the pressing and holding effect of the locking ring, and the flexible cylinder is further sealed.
6. The pressure relief device of claim 1, wherein the housing defines a second mounting hole, and wherein the exhaust nozzle is sleeved with a flexible boot at one end and is inserted and secured in the second mounting hole.
7. The pressure relief device of claim 1, wherein the second air flow passage is tangentially disposed to a sidewall of the second receiving chamber.
8. The pressure relief device according to claim 7, wherein a side of the housing facing the cover is provided with a groove communicating the first receiving chamber and the second receiving chamber, and the pressure relief device further comprises a sealing member covering the groove or embedded in the groove to form the second air flow passage.
9. The pressure relief device of claim 1, wherein the second air flow channel has a width of 0.8mm to 3mm, the second receiving cavity has a diameter of 60mm to 120mm, the second receiving cavity has a height of 20mm to 60mm, and the third air flow channel has a width of 2.5mm to 6 mm.
10. A pressure cooker, comprising a cooker body, a cooker cover and the pressure release device of any one of claims 1 to 9, wherein the cooker cover is covered on the cooker body, and the pressure release device is arranged on the cooker cover.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911350403.8A CN113017407A (en) | 2019-12-24 | 2019-12-24 | Pressure cooker and pressure release device thereof |
| PCT/CN2020/133687 WO2021129343A1 (en) | 2019-12-24 | 2020-12-03 | Pressure cooker and pressure release device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911350403.8A CN113017407A (en) | 2019-12-24 | 2019-12-24 | Pressure cooker and pressure release device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113017407A true CN113017407A (en) | 2021-06-25 |
Family
ID=76451969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911350403.8A Pending CN113017407A (en) | 2019-12-24 | 2019-12-24 | Pressure cooker and pressure release device thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN113017407A (en) |
| WO (1) | WO2021129343A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114748943A (en) * | 2022-03-24 | 2022-07-15 | 广东美的白色家电技术创新中心有限公司 | Separator, negative pressure device with separator and pressure cooker |
| CN116637447A (en) * | 2023-04-24 | 2023-08-25 | 福建省石狮热电有限责任公司 | Filtering control system with protection device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1626014A (en) * | 2003-12-12 | 2005-06-15 | 乐金电子(天津)电器有限公司 | Steam blow off equipment of pressure cooker |
| CN2766717Y (en) * | 2005-02-05 | 2006-03-29 | 浙江苏泊尔炊具股份有限公司 | Pressure-limiting valve of pressure cooker |
| KR100775041B1 (en) * | 2006-11-28 | 2007-11-08 | 웅진쿠첸 주식회사 | Noise and vapor shooting height reducing valve cap for electric pressure rice cooker |
| CN201189094Y (en) * | 2008-06-20 | 2009-02-04 | 杨达开 | Pressure-limitation vent valve of pressure cooker |
| US8869829B2 (en) * | 2012-02-08 | 2014-10-28 | Tom Hiroshi Hasegawa | Pressure release valve assembly for pressure cooker |
| CN208658973U (en) * | 2017-03-01 | 2019-03-29 | 佛山市顺德区美的电热电器制造有限公司 | Exhaust valve and pressure cooking appliance |
| CN211862522U (en) * | 2019-12-24 | 2020-11-06 | 广东美的白色家电技术创新中心有限公司 | Pressure cooker and pressure release device thereof |
-
2019
- 2019-12-24 CN CN201911350403.8A patent/CN113017407A/en active Pending
-
2020
- 2020-12-03 WO PCT/CN2020/133687 patent/WO2021129343A1/en active Application Filing
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114748943A (en) * | 2022-03-24 | 2022-07-15 | 广东美的白色家电技术创新中心有限公司 | Separator, negative pressure device with separator and pressure cooker |
| CN116637447A (en) * | 2023-04-24 | 2023-08-25 | 福建省石狮热电有限责任公司 | Filtering control system with protection device |
| CN116637447B (en) * | 2023-04-24 | 2024-02-13 | 福建省石狮热电有限责任公司 | Filtering control system with protection device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021129343A1 (en) | 2021-07-01 |
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