IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0284180
(2011-10-28)
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등록번호 |
US-8857320
(2014-10-14)
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발명자
/ 주소 |
- Davis, Raymond E.
- Hampton, Clifton Glenn
- Davis, William Neal
- Hankins, Robert Jeffery
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출원인 / 주소 |
- ADCO Industries-Technologies, L.P.
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
0 인용 특허 :
46 |
초록
▼
A roller grill for heating a pre-cooked food product includes a housing structure adapted to support the roller grill; a plurality of tubes having outer surfaces adapted to transfer heat to the pre-cooked food product; a plurality of timing pulleys, each timing pulley mounted on an end of a correspo
A roller grill for heating a pre-cooked food product includes a housing structure adapted to support the roller grill; a plurality of tubes having outer surfaces adapted to transfer heat to the pre-cooked food product; a plurality of timing pulleys, each timing pulley mounted on an end of a corresponding tube and including a notched circumferential surface; and a drive assembly. The drive assembly includes a motor including a shaft, the motor adapted to generate rotational power through the shaft at a first rotational speed; and a timing belt coupled to the motor and contactingly engaged with the notched circumferential surfaces of the timing pulleys, the timing belt adapted to transfer the rotational power generated by the motor to the tubes at a second rotational speed.
대표청구항
▼
1. A roller grill for heating a pre-cooked food product, comprising: a housing structure adapted to support the roller grill;a plurality of tubes having outer surfaces adapted to transfer heat to the pre-cooked food product;a plurality of timing pulleys, each timing pulley mounted on an end of a cor
1. A roller grill for heating a pre-cooked food product, comprising: a housing structure adapted to support the roller grill;a plurality of tubes having outer surfaces adapted to transfer heat to the pre-cooked food product;a plurality of timing pulleys, each timing pulley mounted on an end of a corresponding tube and comprising a notched circumferential surface; anda drive assembly, comprising: a motor comprising a shaft, the motor adapted to generate rotational power through the shaft at a first rotational speed;a fan coupled to the motor, the fan and motor mounted in a bottom portion of the housing structure that is positioned beneath the plurality of tubes;a timing belt coupled to the motor and contactingly engaged with the notched circumferential surfaces of the timing pulleys, the timing belt adapted to transfer the rotational power generated by the motor to the tubes at a second rotational speed; anda plurality of idler pulleys mounted to a plenum plate of the housing structure, the plenum plate mounted within a plenum at least partially defined by a side housing of the housing structure, so that the timing belt contactingly traverses, in succession, the notched circumferential surface of a first one of the timing pulleys to transfer heat to the timing belt from the first one of the timing pulleys, and then a circumferential surface of a first one of the idler pulleys to transfer heat from the timing belt to the first one of the idler pulleys, and then the notched circumferential surface of a second one of the timing pulleys to transfer heat to the timing belt from the second one of the timing pulleys, whereinthe plenum plate serves as a heat sink to receive heat transferred from the plurality of tubes through the plenum, the plenum plate comprising at least one aperture that permits airflow between the plenum and an ambient space, andthe fan is positioned to circulate the airflow from the ambient space, through the bottom portion of the housing, and to the plenum to cool the plenum plate. 2. The roller grill of claim 1, wherein the first and second rotational speeds are substantially identical. 3. The roller grill of claim 1, wherein the plurality of timing pulleys are mounted to the housing structure in a first row such that the corresponding axes of rotation of the plurality of timing pulleys are linearly aligned. 4. The roller grill of claim 3, wherein the plurality of idler pulleys are mounted to the housing structure in a second row such that the corresponding axes of rotation of the plurality of idler pulleys are linearly aligned. 5. The roller grill of claim 4, wherein the timing pulleys comprise a first material and the idler pulleys comprise a second material, and a thermal conductivity of the first material is less than a thermal conductivity of the second material. 6. The roller grill of claim 5, wherein the thermal conductivity of the first material is at least an order of magnitude less than the thermal conductivity of the second material. 7. The roller grill of claim 5, wherein the timing belt is adapted to receive heat from the plurality of timing pulleys when contactingly engaged with the notched circumferential surfaces of the timing pulleys, and the timing belt is adapted to transfer heat to the plurality of idler pulleys when contactingly engaged with the smooth circumferential surfaces of the idler pulleys. 8. The roller grill of claim 1, wherein the plurality of idler pulleys are mounted to a portion of the housing structure. 9. The roller grill of claim 8, wherein the plenum plate is further adapted to receive heat transferred from at least one of the plurality of idler pulleys, the timing belt, or the plurality of timing pulleys. 10. The roller grill of claim 1, further comprising a plurality of heating elements, wherein at least one of the plurality of heating elements extends through a bore of one of the tubes. 11. The roller grill of claim 1, further comprising a timing gear mounted on the shaft and engageable with the timing belt. 12. The roller grill of claim 1, wherein a surface of the timing belt comprises a plurality of teeth engageable with the notched circumferential surfaces of the timing pulleys. 13. An apparatus for heating pre-cooked food product, comprising: a bottom housing mounted between a first side housing and a second side housing;a plurality of legs mounted to the bottom housing;a plurality of tubes having outer surfaces adapted to transfer heat to the pre-cooked food product;a plurality of timing pulleys, each timing pulley mounted on an end of a corresponding tube and comprising a notched circumferential surface; anda drive assembly, comprising: a motor comprising a shaft, the motor adapted to generate rotational power through the shaft at a first rotational speed;a fan coupled to the motor, the fan and the motor mounted in the bottom housing;a timing belt coupled to the motor and contactingly engaged with the notched circumferential surfaces of the timing pulleys, the timing belt adapted to transfer the rotational power generated by the motor to the tubes at a second rotational speed; anda plurality of idler pulleys mounted to a plenum plate of the housing structure, the plenum plate mounted within a plenum at least partially defined by a side housing of the housing structure, so that the timing belt contactingly traverses, in succession, the notched circumferential surface of a first one of the timing pulleys to transfer heat to the timing belt from the first one of the timing pulleys, and then a circumferential surface of a first one of the idler pulleys to transfer heat from the timing belt to the first one of the idler pulleys, and then the notched circumferential surface of a second one of the timing pulleys to transfer heat to the timing belt from the second one of the timing pulleys, whereinthe plenum plate serves as a heat sink to receive heat transferred from the plurality of tubes through the plenum, the plenum plate comprising at least one aperture that permits airflow between the plenum and an ambient space, andthe fan is positioned beneath the plurality of tubes to circulate the airflow from the ambient space, through and to the first side housing to cool the plenum plate. 14. The apparatus of claim 13, wherein the first and second rotational speeds are substantially identical. 15. The apparatus of claim 13, wherein the plurality of timing pulleys are mounted to the housing structure in a first row such that the corresponding axes of rotation of the plurality of timing pulleys are linearly aligned. 16. The apparatus of claim 15, wherein the plurality of idler pulleys are mounted to the housing structure in a second row such that the corresponding axes of rotation of the plurality of idler pulleys are linearly aligned. 17. The apparatus of claim 16, wherein the timing pulleys comprise a first material and the idler pulleys comprise a second material, and a thermal conductivity of the first material is less than a thermal conductivity of the second material. 18. The apparatus of claim 17, wherein the thermal conductivity of the first material is at least an order of magnitude less than the thermal conductivity of the second material. 19. The apparatus of claim 17, wherein the timing belt is adapted to receive heat from the plurality of timing pulleys when contactingly engaged with the notched circumferential surfaces of the timing pulleys, and the timing belt is adapted to transfer heat to the plurality of idler pulleys when contactingly engaged with the smooth circumferential surfaces of the idler pulleys. 20. The apparatus of claim 13, wherein the plurality of idler pulleys are mounted to a portion of the housing structure. 21. The apparatus of claim 20, wherein the plenum plate is further adapted to receive heat transferred from at least one of the plurality of idler pulleys, the timing belt, or the plurality of timing pulleys. 22. The apparatus of claim 13, further comprising a plurality of heating elements, wherein at least one of the plurality of heating elements extends through a bore of one of the tubes. 23. The apparatus of claim 13, further comprising a timing gear mounted on the shaft and engageable with the timing belt. 24. The apparatus of claim 13, wherein a surface of the timing belt comprises a plurality of teeth engageable with the notched circumferential surfaces of the timing pulleys.
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