CN101248958B - Electric pressure cooker - Google Patents
Electric pressure cooker Download PDFInfo
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- CN101248958B CN101248958B CN200810027114XA CN200810027114A CN101248958B CN 101248958 B CN101248958 B CN 101248958B CN 200810027114X A CN200810027114X A CN 200810027114XA CN 200810027114 A CN200810027114 A CN 200810027114A CN 101248958 B CN101248958 B CN 101248958B
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- Prior art keywords
- sliding shoe
- cavity
- slide box
- pot
- switch
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- 238000010411 cooking Methods 0.000 claims description 23
- 229920001971 elastomer Polymers 0.000 claims description 9
- 239000000806 elastomer Substances 0.000 claims description 9
- 238000012856 packing Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000001815 facial effect Effects 0.000 abstract 1
- 230000001960 triggered effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 7
- 101100298225 Caenorhabditis elegans pot-2 gene Proteins 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 5
- 230000002159 abnormal effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000000740 bleeding effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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Abstract
The invention discloses an electric pressure cooker, in particular to an electric pressure cooker which can obtain pressure or temperature signals on a cooker cover and realize pressure release. The electric pressure cooker comprises a cooker body, an inner cooker arranged in the cooker body, a cooker cover rotating around the central axis of the inner cooker, and a control circuit arranged between the cooker body and the inner cooker, wherein the cooker cover is provided with a cavity communicated with the inner cooker, the lower part of the cavity is provided with a sliding block which is movably connected with the cavity and slides up and down in the cavity, the sliding block is provided with a sealing element which is contacted with the inner wall of the cavity and is dynamically sealed, and an elastic body is arranged between the upper part of the sliding block and the top wall of the; the outside or inside of cavity is equipped with the switch that is triggered by the sliding block slip, and/or sliding block facial make-up is equipped with temperature sensor, switch and/or temperature sensor are connected with control circuit. The invention can conveniently and accurately obtain pressure or temperature signals in the cooker and quickly release the pressure. The invention has the advantages of ingenious design, simple structure and low manufacturing cost.
Description
Technical field:
The present invention relates to a kind of electric pressure cooking saucepan, the particularly a kind of electric pressure cooking saucepan that can obtain pressure or temperature signal and realize pressure release on pot cover is the improvement technology of electric pressure cooking saucepan.
Background technology:
Existing electric pressure cooking saucepan has two kinds of structures: a kind of is that pot cover and outer pot fasten, and when in the pot pressure being arranged, interior pot moves down, and the displacement difference of the compound motion by outer pot and pressure switch makes the pressure switch break-make, reaches the purpose of work.When abnormal conditions made pressure excessive, pressure discharged by the big gap between interior pot, sealing ring and the pot cover.But the displacement difference is difficult to control, and each deformation quantity is all inequality, so pressure is unsettled, and after the elasticity original paper of electric pressure cooking saucepan uses a period of time, plastic deformation can take place, and the build-up of pressure decay can not get a desired effect.In order to reach the accurate control of pressure, just must increase the thickness of outer pot, simultaneously owing to pot cover and outer pot fastening, so the very big manufacturing cost height of the volume of pot cover.
Another kind is that pot cover and interior pot fasten, and obtains temperature signal by the heat-sensitive sensor of pot cover surface or interior pot bottom, when pressure is excessive by tiny exhaust outlet release pressure.There is bigger delay in the temperature signal that this structure voltage power pot is obtained than pot inner pressure value, causes controlling inaccurate.And tiny exhaust outlet stops up easily, can not release pressure after the obstruction, there is serious potential safety hazard.
Summary of the invention:
The technical problem to be solved in the present invention is to overcome the problems referred to above and a kind of low cost of manufacture is provided, and can immediately, accurately obtain the electric pressure cooking saucepan of pot inner pressure or temperature signal.
Another object of the present invention is that when pressure was excessive, this pressure cooker can realize safely and fast that pressure discharges.
Technical scheme of the present invention is: a kind of electric pressure cooking saucepan, comprise a pot body, be located at interior pot in pot body, around the pot cover of interior pot axis centre rotation and the electrical pressure cooker control circuit between being arranged on pot body with interior pot, it is characterized in that: described pot cover is provided with the cavity that is communicated with interior pot, the cavity bottom is provided with the sliding shoe that flexibly connects and slide up and down with cavity in cavity, sliding shoe is provided with the seal that contacts and be dynamic seal (packing) with cavity inner wall, is provided with elastomer between the top of sliding shoe and the cavity roof; Outside or inner also being provided with by sliding shoe of described cavity slided and the switch of triggering, and/or is equiped with temperature sensor on the described sliding shoe, and described switch and/or temperature sensor are connected with control circuit.
After pressing on the electric pressure cooking saucepan, sliding shoe be subjected to the pressure of change in the pot promote to offset elastomeric elastic force up direction move, seal is along with sliding shoe moves in cavity, because seal is that dynamic seal (packing) contacts with cavity, so be in sealing state in the pot in the sliding shoe moving process always.Owing to the switch that the slip of being equipped with by sliding shoe triggers, pressure signal will be delivered to this switch by the displacement of sliding shoe, thus the control circuit break-make.And just can directly obtain the interior temperature signal of pot, thereby realize temperature control by temperature sensor.
Wherein, cavity directly is made on the pot cover, perhaps is made in the Slide Box of bottom-open, and this Slide Box is installed in pot cover top.Slide Box is towards the pot cover upper lobes, and Slide Box is provided with the pressure release window that runs through sidewall on the sidewall that is positioned at above the seal; Perhaps Slide Box is towards the pot cover lower lobes, and Slide Box is provided with the pressure release window that runs through roof or be communicated with its roof upper shed on the sidewall that is positioned at above the seal.
With respect to the tubulose air bleeding valve that adopts usually in the prior art, because the Slide Box diameter is bigger, surface area is also bigger, so the area of pressure release window is also bigger.When abnormal conditions pressure was excessive, sliding shoe was subjected to the thrust of pot inner pressure to offset elastomeric elastic force constantly up to move, until the seal that sliding shoe drives is when surpassing the base of pressure release window, pressure will be discharged rapidly.
Described switch is installed on pot cover or the Slide Box; Described sliding shoe is provided with and the contacted driving lever of switch; Perhaps switch is installed on the sliding shoe, and switch is provided with and pot cover or the contacted contact of Slide Box.
Described pot body is hinged with and covers handle, and Slide Box is arranged on the pot cover center, and the position corresponding with Slide Box is provided with through hole on the lid handle, and Slide Box is sleeved in this through hole.Slide Box is provided with locating ring or the locating piece that radially extends being positioned on the lateral wall that covers above the handle.
Described switch is installed in and covers on the handle; Described sliding shoe is provided with and the contacted driving lever of switch; Perhaps switch is installed in sliding shoe, and switch is provided with and covers the contacted contact of handle.
Described sliding shoe and Slide Box interior shape are suitable, and the top of sliding shoe is provided with the hook corresponding with pressure release window, and described sliding shoe is mounted on the pressure release window by hook, the stroke that described pressure release window slides up and down more than or equal to sliding shoe in the size of short transverse.
Described sliding shoe and inside cavity shape are suitable, and the top of sliding shoe is provided with mounting rod, and the position of cavity roof correspondence is provided with unthreaded hole, and described mounting rod is connected with keeper after passing this unthreaded hole, and mounting rod and unthreaded hole keep being slidingly matched.
The cross section that is circumferentially with of described sliding shoe bottom is down L shaped groove, and described sealing member sheathing is in this groove; Seal comprise with fall location division that L shaped groove cooperates and with the contact site of cavity inner wall dynamic seal (packing), described contact site is formed by the oblique extension handing-over of the outside downside in two ends up and down of the lateral wall of location division.Because the given shape of contact site, when the pot internal gas pressure rises, contact site can not only and cavity inner wall between form the excellent contact sealing, can also reduce the frictional resistance between seal and the cavity inner wall.
Thereby above-mentioned electric pressure cooking saucepan is for lowering the pot cover materials, lowering outer pot intensity attenuating manufacturing cost, and pot was gone up and formed and seals in pot cover directly was rotatablely fastened in.
Therefore the present invention can immediately, accurately obtain pot inner pressure or temperature signal, can realize fast, safely and reliably that when abnormal conditions pressure is excessive pressure discharges, and can avoid occurring the air bleeding valve phenomenon of blocking.The present invention is ingenious, simple in structure, the easy to use electric pressure cooking saucepan of a kind of design.
Description of drawings:
Fig. 1 is the structural representation of the embodiment of the invention 1;
Fig. 2 is the schematic diagram in the embodiment of the invention 1 course of work;
Schematic diagram when Fig. 3 is the release of the embodiment of the invention 1 pressure;
Fig. 4 is the cutaway view of seal in the embodiment of the invention 1;
Fig. 5 is the structural representation of the embodiment of the invention 2;
Fig. 6 is the structural representation of the embodiment of the invention 3;
Fig. 7 is the structural representation of the embodiment of the invention 4;
Fig. 8 is the schematic diagram in the embodiment of the invention 4 courses of work;
Schematic diagram when Fig. 9 is the release of the embodiment of the invention 4 pressure;
Figure 10 is the structural representation of the embodiment of the invention 5;
Figure 11 is the schematic diagram in the embodiment of the invention 5 courses of work;
Schematic diagram when Figure 12 is the release of the embodiment of the invention 5 pressure;
Figure 13 is the structural representation of the embodiment of the invention 6;
Figure 14 is another distressed structure schematic diagram of the embodiment of the invention 6.
The specific embodiment:
The present invention is further illustrated below in conjunction with the drawings and specific embodiments.
Embodiment 1:
As shown in Figure 1, pressure cooker of the present invention comprises pot body 1, be located at interior pot 2 in pot body 1, can between the pot cover 3 of interior pot 2 centers rotation, interior pot 3 and pot cover 2 sealing ring 4 be arranged, in being buckled in, pot cover 3 on the pot 2, is provided with the electrical pressure cooker control circuit (not shown) between pot body 1 and the interior pot 2.Because improvement of the present invention mainly is the pot cover part, therefore other is not partly done detailed description.
The present invention has Slide Box 5 in the center fixation of pot cover 3, the bottom-open of Slide Box 5 and with interior pot 2 internal communication, Slide Box 5 is made columniform thin walled cavity usually, two disappointing windows 51 about the side of Slide Box 5 has, the cavity bottom is provided with the sliding shoe 6 that can slide up and down in Slide Box 5, sliding shoe 6 is provided with the seal 8 that contacts and be dynamic seal (packing) with cavity inner wall, is provided with elastomer 7 between the top of sliding shoe 6 and Slide Box 5 roofs.Elastomer 7 can adopt spring usually.Wherein, the cavity that is arranged in the Slide Box 5 also can directly be made by pot cover 3 one.Sliding shoe 6 can in several ways and form the relation that flexibly connects between the Slide Box 5, for example between the roof of Slide Box 5 and sliding shoe 6, be provided with one and flexibly connect rope, perhaps sliding shoe 6 is fixedlyed connected with an end of elastomer 7, and the other end of elastomer 7 is fixedlyed connected with Slide Box 5.Among the present invention, sliding shoe 6 is realized flexibly connecting by hook and Slide Box 5.Be specially: sliding shoe 6 is suitable with Slide Box 5 interior shapes, the top of sliding shoe 6 is provided with 2 hooks corresponding with the window 51 of losing heart, sliding shoe 6 is mounted on by hook on the disappointing window 51 of Slide Box 5 sidewalls, and the window 51 that loses heart is slightly larger than the stroke that sliding shoe 6 slides up and down in the size of short transverse.The cross section that is circumferentially with in sliding shoe 6 bottoms is down L shaped groove, and seal 8 is sleeved in this groove.Wherein the structure of seal 8 as shown in Figure 4, seal 8 comprise with fall location division 8a that L shaped groove cooperates and with the contact site 8b of Slide Box 5 inwall dynamic seal (packing)s, contact site 8b is formed by the oblique extension handing-over of the outside downside in two ends up and down of the lateral wall of location division 8a.As shown in drawings, the cross section of location division 8a is trapezoidal, and the cross section of contact site 8b is subtriangular, and this triangle is surrounded by the hypotenuse that trapezoidal waist and the outside downside of two other extend.The seal 8 of this structure, can not only and Slide Box 5 inwalls between form the excellent contact sealing, and can also reduce the frictional resistance between seal 8 and Slide Box 5 inwalls.
Be hinged with on the outer pan body 1 in addition and cover handle 9, the other end of lid handle 9 is provided with through hole, and Slide Box 5 coaxial packages make Slide Box 5 can cover handle 9 rotations relatively in this through hole, rotates so also can cover handle 9 relatively with the fixing pot cover 3 of Slide Box 5.In addition, Slide Box 5 is provided with the locating ring 52 that radially extends being positioned on the lateral wall that covers above the handle 9, prevent to cover handle 9 and pot cover 3 when the pot body is opened, and pot cover 3 is deviate from from lid handle 9.
On the lid handle 9 switch 10 is housed, as microswitch.The hook of sliding shoe 6 is provided with driving lever 61, and driving lever 61 stretches out from pressure release window 51, contacts with the contact of switch 10, and the displacement of the driving lever 61 that pressure signal will be by sliding shoe 6 is delivered to switch 10.In order to improve the effect of cooking, temperature sensor 11 also is housed in the sliding shoe 6, temperature sensor 11 can directly be obtained the temperature signal in the pot, so just can form the control curve of cooking when cooking, realizes temperature controlling.As shown in Figure 2, after pressing on the electric pressure cooking saucepan, sliding shoe 6 be subjected to elastic force that the pressure of change in the pot promote to offset elastomer 7 up direction move, seal 8 is along with sliding shoe 6 moves in Slide Box 5, because seal 8 is the dynamic seal (packing)s that contact with Slide Box 5, so be in sealing state in the pot in sliding shoe 6 moving process always.
Because the diameter of Slide Box 5 is bigger, surface area is also bigger, so the area of pressure release window 51 is also bigger.When abnormal conditions pressure was excessive, the elastic force that sliding shoe 6 is subjected to the thrust of pot inner pressure to offset elastomer 7 constantly up moved, and when the seal 8 of sliding shoe 6 drives surpassed the base of the window 51 that loses heart, pressure will be released, as shown in Figure 3.When pressure arrives to a certain degree, the edge of seal 8 surpasses the window 51 that loses heart, and pressure just releases by disappointing window 51, pot inner pressure will reduce, pressure cooker seals again and pressure rises, and repeats above-mentioned process then again, and pressure so just is controlled on the steady state value.
If the food in the pot is blocked the window 51 that loses heart in deflation course, pot inner pressure will further rise, seal 8 also can be along with sliding shoe 6 moves on further, the amount that just surpasses the window 51 that loses heart can further increase, the food of disappointing window 51 will spray, pressure is released again, and pressure just falls back to original value.
For the purpose of cleaning, in the outside of Slide Box 5 guard that diameter is bigger can also be set, cover on the Slide Box, collect the food of ejection.
The present invention designs ingenious, and is simple in structure, easy to use, and cost is low.
Embodiment 2:
Embodiment 3:
As shown in Figure 6, embodiment 3 is that with the difference of embodiment 1 switch 10 is installed on the pot cover 3.
Embodiment 4:
Shown in accompanying drawing 7 to 9, embodiment 4 is with the difference of embodiment 1: be provided with mounting rod 6a on the top of sliding shoe 6, and the position of Slide Box 5 roof correspondences is provided with unthreaded hole, mounting rod 6a is connected with nut after passing this unthreaded hole, mounting rod 6a and unthreaded hole keep being slidingly matched, thereby sliding shoe 6 can move up and down with respect to Slide Box 5, forms the relation of flexible connection.Driving lever 61 is connected on mounting rod 6a or the nut, and switch 10 is arranged on Slide Box 5 tops.Temperature sensor 11 be installed in sliding shoe 6 other do not get final product with the position of mounting rod 6a and elastomer 7 interferences.
Embodiment 5:
Shown in accompanying drawing 10 to 12, embodiment 5 is with the difference of embodiment 4: the main part of Slide Box 5 is arranged on pot cover 3 bottoms, the pressure release window 51 that is located at Slide Box 5 madial walls is not directly to run through its sidewall, but be in communication with the outside by the opening on Slide Box 5 roofs, the roof that perhaps directly runs through Slide Box 5, therefore the gases at high pressure in the pot can discharge rapidly by this pressure release window 51 equally.
Embodiment 6:
As shown in Figure 13, embodiment 4 is with the difference of embodiment 1: switch 10 is arranged in the Slide Box 5, and switch 10 is a microswitch, and the shake-up sheet 101 of microswitch is arranged in the Slide Box 5.When sliding shoe 6 is moved upwards up to a certain degree, the contacting sheet 101 and can touch Slide Box 5 roofs of microswitch, pressure signal will be delivered to this microswitch by sliding shoe 6 displacements, thereby obtains pressure signal.
Figure 14 is another distressed structure of embodiment 6, and the shake-up sheet 101 of microswitch can be outside pressure release window 51 stretches out Slide Box 5, and is arranged on the block that covers on handle 9 or the pot cover 3 and touches.
Claims (9)
1. electric pressure cooking saucepan, comprise a pot body (1), be located at interior pot (2) in pot body (1), around the pot cover (3) of interior pot central axis rotation and be arranged on a pot body (1) with interior pot (2) between electrical pressure cooker control circuit, it is characterized in that: described pot cover (3) is provided with the cavity that is communicated with interior pot (2), the cavity bottom is provided with the sliding shoe (6) that flexibly connects and slide up and down with cavity in cavity, sliding shoe (6) is provided with the seal (8) that contacts and be dynamic seal (packing) with cavity inner wall, is provided with elastomer (7) between the top of sliding shoe (6) and the cavity roof; Described cavity outside or inside are provided with by sliding shoe (6) and slide and the switch (10) of triggering, and/or are equiped with temperature sensor (11) on the described sliding shoe (6), and described switch (10) and/or temperature sensor (11) are connected with control circuit; Described cavity is made in the Slide Box (5) of bottom-open, and this Slide Box (5) is installed on the pot cover (3); Described Slide Box (5) is towards the pot cover upper lobes, and Slide Box (5) is provided with the pressure release window (51) that runs through sidewall on the sidewall that is positioned at seal (8) top; Perhaps described Slide Box (5) is towards the pot cover lower lobes, and Slide Box (5) is provided with the pressure release window (51) that runs through roof or be communicated with its roof upper shed on the sidewall that is positioned at seal (8) top.
2. electric pressure cooking saucepan according to claim 1 is characterized in that: described switch (10) is installed on pot cover (3) or the Slide Box (5), and described sliding shoe (6) is provided with and the contacted driving lever of switch (10) (61); Perhaps switch (10) is installed on the sliding shoe (6), and switch (10) is provided with and pot cover (3) or the contacted contact of Slide Box (5).
3. electric pressure cooking saucepan according to claim 1, it is characterized in that: be hinged with on the described pot body (1) and cover handle (9), Slide Box (5) is arranged on pot cover (3) center, and lid handle (9) is gone up the position corresponding with Slide Box (5) and is provided with through hole, and Slide Box (5) is sleeved in this through hole.
4. electric pressure cooking saucepan according to claim 3 is characterized in that: described switch (10) is installed in and covers on the handle (9), and described sliding shoe (6) is provided with and the contacted driving lever of switch (10) (61); Perhaps switch (10) is installed on the sliding shoe (6), and switch (10) is provided with and covers the contacted contact of handle (9).
5. electric pressure cooking saucepan according to claim 3 is characterized in that: described Slide Box (5) is being positioned at locating ring (52) or the locating piece that is provided with radially extension on the lateral wall that covers handle (9) top.
6. electric pressure cooking saucepan according to claim 1, it is characterized in that: described sliding shoe (6) is suitable with Slide Box (5) interior shape, the top of sliding shoe (6) is provided with and the corresponding hook of pressure release window (51), described sliding shoe (6) is mounted on the pressure release window (51) by hook, the stroke that described pressure release window (51) slides up and down more than or equal to sliding shoe (6) in the size of short transverse.
7. electric pressure cooking saucepan according to claim 1, it is characterized in that: described sliding shoe (6) is suitable with the inside cavity shape, the top of sliding shoe (6) is provided with mounting rod (6a), the position of cavity roof correspondence is provided with unthreaded hole, described mounting rod is connected with keeper after passing this unthreaded hole, and mounting rod and unthreaded hole keep being slidingly matched.
8. pressure cooker according to claim 7 is characterized in that: the cross section that is circumferentially with of described sliding shoe (6) bottom is down L shaped groove, and described seal (8) is sleeved in this groove; Seal (8) comprise with fall location division (8a) that L shaped groove cooperates and with the contact site (8b) of cavity inner wall dynamic seal (packing), described contact site (8b) is formed by the oblique extension handing-over of the outside downside in two ends up and down of the lateral wall of location division (8a).
9. electric pressure cooking saucepan according to claim 8 is characterized in that pot cover (3) is rotatablely fastened on the interior pot (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810027114XA CN101248958B (en) | 2008-03-31 | 2008-03-31 | Electric pressure cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810027114XA CN101248958B (en) | 2008-03-31 | 2008-03-31 | Electric pressure cooker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101248958A CN101248958A (en) | 2008-08-27 |
| CN101248958B true CN101248958B (en) | 2010-06-02 |
Family
ID=39952692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810027114XA Active CN101248958B (en) | 2008-03-31 | 2008-03-31 | Electric pressure cooker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101248958B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110115479B (en) * | 2018-02-06 | 2021-11-23 | 广东美的生活电器制造有限公司 | Pressure relief assembly and food processor |
| CN109938597B (en) * | 2019-05-07 | 2021-11-02 | 纯米科技(上海)股份有限公司 | Midway automatic feeding and taking device of electric pressure cooker and control method |
| CN111870116B (en) * | 2020-07-03 | 2021-07-09 | 绍兴市吉柏尼机电有限公司 | Pot cover and pressure cooking utensil provided with pot cover |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB880252A (en) * | 1959-09-30 | 1961-10-18 | Heinrich Ritter | Improvements in or relating to pressure cookers |
| CN2061416U (en) * | 1990-03-10 | 1990-09-05 | 邹德刚 | Large exhaust hole safety pressure cooker with pressure indicator |
| CN2332305Y (en) * | 1998-04-10 | 1999-08-11 | 周赛方 | Safety valve of pressure cooker |
| CN2843281Y (en) * | 2005-11-26 | 2006-12-06 | 梁健聪 | Safety controller of electric pressure cooker |
| CN2891907Y (en) * | 2005-12-12 | 2007-04-25 | 梁健聪 | Electric pressure-cooker safety controller |
| CN2914929Y (en) * | 2006-06-09 | 2007-06-27 | 美的集团有限公司 | Electric pressure cooking utensil |
| CN201197613Y (en) * | 2008-03-31 | 2009-02-25 | 美的集团有限公司 | Electric pressure cooker |
-
2008
- 2008-03-31 CN CN200810027114XA patent/CN101248958B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB880252A (en) * | 1959-09-30 | 1961-10-18 | Heinrich Ritter | Improvements in or relating to pressure cookers |
| CN2061416U (en) * | 1990-03-10 | 1990-09-05 | 邹德刚 | Large exhaust hole safety pressure cooker with pressure indicator |
| CN2332305Y (en) * | 1998-04-10 | 1999-08-11 | 周赛方 | Safety valve of pressure cooker |
| CN2843281Y (en) * | 2005-11-26 | 2006-12-06 | 梁健聪 | Safety controller of electric pressure cooker |
| CN2891907Y (en) * | 2005-12-12 | 2007-04-25 | 梁健聪 | Electric pressure-cooker safety controller |
| CN2914929Y (en) * | 2006-06-09 | 2007-06-27 | 美的集团有限公司 | Electric pressure cooking utensil |
| CN201197613Y (en) * | 2008-03-31 | 2009-02-25 | 美的集团有限公司 | Electric pressure cooker |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平9-108102A 1997.04.28 |
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| Publication number | Publication date |
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| CN101248958A (en) | 2008-08-27 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: FOSHAN SHUNDE MIDEA ELECTRICAL HEATING APPLIANCES MANUFACTURING Co.,Ltd. Assignor: Midea Group Contract record no.: 2012440000405 Denomination of invention: Relief valve of electric pressure cooker Granted publication date: 20100602 License type: Exclusive License Open date: 20080827 Record date: 20120712 |
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| C56 | Change in the name or address of the patentee |
Owner name: MIDEA GROUP CO., LTD. Free format text: FORMER NAME: MEIDI GROUP CO. LTD. |
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| CP03 | Change of name, title or address |
Address after: 528311 Guangdong, Foshan, Beijiao, the United States, the United States and the United States on the avenue of the United States, the headquarters of the United States building B floor, District, 26-28 Patentee after: MIDEA GROUP Co.,Ltd. Address before: 528311 Penglai Road, Beijiao Town, Shunde District, Guangdong, Foshan province Midea Group Co., Ltd. Patentee before: Midea Group |