Household appliance having supports supporting a glass heating element of a warming drawer
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F24C-007/06
F24C-015/18
H05B-003/22
H05B-003/26
H05B-003/74
H05B-003/68
출원번호
US-0483094
(2012-05-30)
등록번호
US-8916801
(2014-12-23)
발명자
/ 주소
Harward, Samuel
Parker, Rose Marie
Perkins, Sibyl
출원인 / 주소
BSH Home Appliances Corporation
대리인 / 주소
Howard, James E.
인용정보
피인용 횟수 :
1인용 특허 :
23
초록▼
A household appliance includes a warming drawer housing having an interior chamber, and a warming drawer module being movable between a first position in which the warming drawer module is in the interior chamber of the warming drawer housing and a second position in which a part of the warming draw
A household appliance includes a warming drawer housing having an interior chamber, and a warming drawer module being movable between a first position in which the warming drawer module is in the interior chamber of the warming drawer housing and a second position in which a part of the warming drawer module is outside the warming drawer housing. The warming drawer module includes a heating element forming a floor surface of the warming drawer module and a support plate that supports the heating element in the warming drawer module. The support plate includes a plurality of supports supporting an underside of the heating element.
대표청구항▼
1. A household appliance comprising: a warming drawer housing having an interior chamber; anda warming drawer module in the interior chamber, the warming drawer module including: a heating element forming a floor surface of the warming drawer module, the floor surface for receiving items to be warme
1. A household appliance comprising: a warming drawer housing having an interior chamber; anda warming drawer module in the interior chamber, the warming drawer module including: a heating element forming a floor surface of the warming drawer module, the floor surface for receiving items to be warmed; anda support plate that supports the heating element in a position above the support plate, the support plate including a plate portion and a plurality of supports on the plate portion, the plurality of supports supporting an underside of the heating element at a predetermined distance above the plate portion. 2. The household appliance of claim 1, wherein the warming drawer module is movable between a first position in which the warming drawer module is in the interior chamber of the warming drawer housing and a second position in which a part of the warming drawer module is outside the warming drawer housing. 3. The household appliance of claim 1, wherein the heating element includes a resistance heating element. 4. The household appliance of claim 1, wherein the heating element includes: a glass ceramic surface having a conductive coating, the glass ceramic surface forming a warming surface that supports the items to be warmed, the conductive coating forming a circuit on an underside of the ceramic surface; andan electrical connection for supplying power to the circuit. 5. The household appliance of claim 1, wherein the plurality of supports includes an emboss, the emboss including: an upper surface supporting the underside of the heating element; anda sidewall connecting the plate portion of the support plate to the upper surface of the emboss. 6. The household appliance of claim 5, wherein the upper surface is a substantially planar surface that is parallel to the underside of the heating element. 7. The household appliance of claim 5, wherein the upper surface is a substantially curved surface. 8. The household appliance of claim 5, wherein the sidewall is a substantially curved surface. 9. The household appliance of claim 1, wherein the plurality of supports includes a support having a substantially curved surface. 10. The household appliance of claim 1, wherein the plurality of supports includes a support having a tapered surface. 11. The household appliance of claim 1, wherein the plurality of supports includes a support having rounded corners. 12. The household appliance of claim 1, wherein the plurality of supports includes a plurality of embosses that are evenly spaced on the plate portion. 13. The household appliance of claim 1, wherein the plurality of supports includes a plurality of embosses that are symmetrically arranged with respect to the plate portion. 14. The household appliance of claim 1, wherein the plurality of supports includes a support formed along an edge of the plate portion. 15. The household appliance of claim 14, wherein the support is formed substantially at a midpoint of a length of the edge of the plate portion. 16. The household appliance of claim 1, wherein the plurality of supports includes a support formed adjacent to a corner of the plate portion. 17. The household appliance of claim 1, wherein the plurality of supports includes a support formed adjacent to a central point of the plate portion. 18. The household appliance of claim 1, wherein the plurality of supports includes an emboss and a cutout adjacent to a side of the emboss. 19. The household appliance of claim 18, wherein the cutout extends along a length of the side of the emboss. 20. The household appliance of claim 1, wherein the plurality of supports includes an emboss and a cutout adjacent to a first side and a second side of the emboss, the first side being opposite to the second side. 21. The household appliance of claim 1, wherein the plurality of supports are formed along a first edge and a second edge of the plate portion, the first edge being opposite to the second edge. 22. The household appliance of claim 21, wherein the plurality of supports includes a support formed substantially at a midpoint of a length of one of the first edge and the second edge of the plate portion. 23. The household appliance of claim 21, wherein the plurality of supports includes a support formed adjacent to a corner of the plate portion. 24. The household appliance of claim 21, wherein the plurality of supports includes a support formed adjacent to a central point of the plate portion. 25. The household appliance of claim 21, wherein the plate portion includes a third edge connecting an end of the first edge to an end of the second edge, one of the first edge and the second edge being longer than the third edge, wherein the plurality of supports includes an emboss having a first side and a second side, the first side being longer than the second side, and the first side of the emboss being substantially parallel to the one of the first edge and the second edge of the plate portion. 26. The household appliance of claim 21, wherein the plate portion includes a third edge connecting an end of the first edge to an end of the second edge, one of the first edge and the second edge being longer than the third edge, wherein the plurality of supports includes an emboss having a first side and a second side, the first side being longer than the second side, and the first side of the emboss being substantially perpendicular to the one of the first edge and the second edge of the plate portion. 27. The household appliance of claim 21, wherein the plate portion includes a third edge connecting an end of the first edge to an end of the second edge, one of the first edge and the second edge being longer than the third edge, wherein the plurality of supports includes an emboss having a first side and a second side, the first side being longer than the second side, and the first side of the emboss being disposed at a first angle to the one of the first edge and the second edge of the plate portion, the first side being other than parallel to and perpendicular to the one of the first edge and the second edge of the plate portion. 28. The household appliance of claim 1, wherein the plate portion includes a first opening for guiding a wire from the heating element from a space between the plate portion and the underside of the heating element to an underside of the support plate. 29. The household appliance of claim 1, wherein the plate portion includes a second opening for positioning a thermostat in a space between the plate portion and the underside of the heating element. 30. The household appliance of claim 1, wherein the plurality of supports includes an emboss, and wherein a height of the emboss is equal to the predetermined distance. 31. The household appliance of claim 1, further comprising: a thermally conductive and electrically resistant layer disposed between the plurality of supports and the underside of the heating element, andwherein, when the warming drawer is in an assembled state, a sum of a height of a support of the plurality of supports and a thickness of the thermally conductive and electrically resistant layer is equal to the predetermined distance. 32. The household appliance of claim 1, wherein the support plate is a metal plate. 33. The household appliance of claim 1, wherein the support plate is a stainless steel plate. 34. The household appliance of claim 1, further comprising: a control panel on the warming drawer module; anda power source coupled to the control panel, the power source supplying power to the control panel when the warming drawer module is in the first position and the second position. 35. The household appliance of claim 1, wherein the warming drawer module further includes: a frame surrounding the heating element; anda front panel coupled to the frame and covering an opening of the interior chamber of the warming drawer housing when the warming drawer module is in the first position. 36. The household appliance of claim 1, wherein the warming drawer module further includes: a telescopic drawer slide coupled to the support plate, the telescopic drawer slide facilitating the movement of the warming drawer module between the first position and the second position. 37. A household appliance comprising: a warming drawer housing having an interior chamber; anda warming drawer module in the interior chamber, the warming drawer module including: heating means for warming items to be warmed and forming a floor surface of the warming drawer module;a support plate; andsupport means for supporting an underside of the heating means in the warming drawer module, and for providing a predetermined clearance distance under the heating means between the heating means and the support plate. 38. The household appliance of claim 37, wherein the support means includes: a plurality of embosses formed on the support plate and supporting the underside of the heating element at the predetermined clearance distance above the support plate, the plurality of embosses for minimizing a contact area between the heating means and the support plate. 39. The household appliance of claim 37, wherein the warming drawer module is movable between a first position in which the warming drawer module is in the interior chamber of the warming drawer housing and a second position in which a part of the warming drawer module is outside the warming drawer housing.
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이 특허에 인용된 특허 (23)
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Durward I. Faries, Jr. ; Bruce R. Heymann ; Calvin Blankenship, Temperature controlled cabinet system and method for heating items to desired temperatures.
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