IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
|
출원번호 |
US-0882958
(2004-07-01)
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발명자
/ 주소 |
- Braunisch,Eckart Wilhelm
- T철rngren,Per
- Lundstrom,Hans
- Lindgren,Hans
- Carlsson,Hakan
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출원인 / 주소 |
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인용정보 |
피인용 횟수 :
17 인용 특허 :
8 |
초록
▼
A wall mounted type microwave oven having an external enclosure including a bottom closure wall which includes a suction opening and a top vent opening and an oven cavity which is supported within the external enclosure. The oven cavity has a rearwardly stepped portion to maximize the usable space p
A wall mounted type microwave oven having an external enclosure including a bottom closure wall which includes a suction opening and a top vent opening and an oven cavity which is supported within the external enclosure. The oven cavity has a rearwardly stepped portion to maximize the usable space provided within the oven cavity. An air exhaust air path is formed between the external enclosure and the oven cavity and includes a bottom plenum, a pair of rear air channels and an upper plenum. The rearwardly stepped area divides the space between the oven cavity and the external enclosure into the two rear air channels. At least one blower is provided within the external enclosure for drawing air into the bottom plenum through the suction opening and exhausting the air out through a top exhaust opening which forms part of the top vent opening. By providing the air exhaust path along the bottom plenum, the two rear air channels and the upper plenum and by having the air exhaust path not occupy any space along the sides of the oven cavity, a maximum oven cavity width is achieved. By directing the exhaust air stream through the two rear air channels maximizes at the same time the usable space within the oven cavity.
대표청구항
▼
The invention claimed is: 1. A wall mounted type microwave oven comprising: an external enclosure having a bottom closure wall which includes a suction opening and a top vent opening, the enclosure further having a side wall; an oven cavity supported within the external enclosure, the oven cavity h
The invention claimed is: 1. A wall mounted type microwave oven comprising: an external enclosure having a bottom closure wall which includes a suction opening and a top vent opening, the enclosure further having a side wall; an oven cavity supported within the external enclosure, the oven cavity having a rearwardly stepped portion to maximize the usable space provided within the oven cavity, the oven cavity having a side wall; an air exhaust path formed between the external enclosure and the oven cavity, the air exhaust path including a bottom plenum, a pair of rear air channels and an upper plenum; at least one blower provided within the external enclosure for drawing air into the bottom plenum through the suction opening and exhausting the air out through a top exhaust opening which forms part of the top vent opening; wherein the rearwardly stepped area divides the space between the oven cavity and the external enclosure into the two rear air channels which receive an exhaust air scream from the blower. 2. The wall mounted type microwave oven according to claim 1, wherein the top vent opening is provided along a horizontal top, front surface of the microwave oven and includes a center portion forming the top exhaust opening, and side portions that that form top vent inlet openings. 3. The wall mounted type microwave oven according to claim 2, further comprising: at least one filter cover provided over top vent opening, the filter cover having a frame supporting a filter mesh interior. 4. The wall mounted type microwave oven according to claim 3, further wherein the at least one filter cover is removably fitted within a depressed region provided about the top vent area such that the filter cover is positioned below a top surface of the enclosure. 5. The wall mounted type microwave oven according to claim 3, further a plurality of louvers are provide across the top vent opening below the filter cover for supporting the filter cover and directing air flow. 6. The wall mounted type microwave oven according to claim 1, further comprising: a side compartment formed between the side wall of the external enclosure and the side wall of the oven cavity, the side compartment being isolated from the air exhaust path such that the exhaust air stream does not communicate with the side compartment; an electrical equipment chamber set within the side compartment; a cooling blower mounted within the side compartment for drawing air into the side compartment through the top inlet opening which forms part of the top vent opening. 7. The wall mounted type microwave oven according to claim 1, further wherein the air exhaust path is provided along the bottom plenum, the pair of rear air channels and the upper plenum and does not occupy any space along the sides the oven cavity so that a maximum oven cavity width is achieved. 8. The wall mounted type microwave oven according to claim 1, further comprising: a first side compartment formed between the side wall of the external enclosure and the side wall of the oven cavity; a second side compartment formed between an opposite side wall of the external enclosure and an opposite side wall of the oven cavity such that the first and second side compartments are positioned on opposite sides of the oven cavity; a center compartment including the bottom plenum, rear air channels and the upper plenum, wherein the first and second side compartments are sealed off from the air exhaust path. 9. The wall mounted type microwave oven according to claim 1, wherein the oven cavity includes a front opening, the microwave oven further comprising: a door pivotably adjacent the front opening, the door forming a front surface of the microwave, and wherein the bottom closure wall slopes upwardly from a bend line and the top vent opening is provided along a horizontal top, front surface of the microwave oven such that the desired oven cavity height may be accommodated while minimising the overall height of the microwave. 10. The wall mounted type microwave oven according to claim 1 wherein the bottom plenum has an enlarged rear portion and the bottom closure wall slopes upwardly from a bend line toward the front of the microwave, and the at least one blower is located in the enlarged rear portion of the bottom plenum. 11. A wall mounted type microwave oven comprising: an external enclosure having a bottom closure wall which includes a suction opening and a top vent opening, the enclosure further having a side wall; an oven cavity supported within the external enclosure, the oven cavity having a rearwardly stepped portion to maximize the usable space provided within the oven cavity, the oven cavity having a side wall; an air exhaust path formed between the external enclosure and the oven cavity, the air exhaust path including a bottom plenum, at least one rear air channel and an upper plenum; at least one blower provided within the external enclosure for drawing air into the bottom plenum through the suction opening and exhausting the air out through a top exhaust opening which forms part of the top vent opening; wherein the rearwardly stepped area divides the space between the oven cavity and the external enclosure into the at least one air channel which receive an exhaust air stream from the blower and the bottom closure wall slopes upwardly from a bend line and the top vent opening is provided along a horizontal top, front surface of the microwave oven such that the desired oven cavity height may be accommodated while minimizing the overall height of the microwave oven and the at least one air channel comprises a pair of rear air channels. 12. The wall mounted type microwave oven according to claim 11, further comprising: at least one filter cover provided over top vent opening, the filter cover having a frame supporting a filter mash interior. 13. The wall mounted type microwave oven according to claim 11, further comprising: a side compartment formed between the side wall of the external enclosure and the side wall of the oven cavity, the side compartment being isolated from the air exhaust path such that the exhaust air stream does not communicate with the side compartment; an electrical equipment chamber set within the side compartment; a cooling blower mounted within the side compartment for drawing air into the side compartment through the top inlet opening which forms part of the top vent opening. 14. The wall mounted type microwave oven according to claim 13, further wherein the air exhaust path is provided along the bottom plenum, a pair of rear air channels and the upper plenum and does not occupy any space along the sides the oven cavity so that a maximum oven cavity width is achieved.
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