Heat exchange – Heating and cooling – Heating and cooling of the same material
Patent
1989-03-13
1990-04-03
Ford, John
Heat exchange
Heating and cooling
Heating and cooling of the same material
165100, 165 63, 165 64, 165918, 312236, 126 21A, 219400, F25B 2900, H05B 102, F24C 1532
Patent
active
049132237
ABSTRACT:
A defrosting apparatus comprises a housing defining therein a frozen food storage space. Within the housing, air is heated and supplied to the storage space through a hot-air entrance passage formed between a side wall of the housing and one of paired shelf receiving members which cooperate to define the storage space. The hot-air entrance passage incorporates a guide plate having a communication aperture provided at a lower end. The guide plate cooperates with the side wall of the housing and one of the shelf receiving members to force the hot air fed from a ventilating fan to flow first downwardly along the hot-air inlet passage. The hot-air flow is then changed in the flow direction upon passing through the communication aperture so as to flow upwardly. In the course of flowing upwardly, the hot air is fed into the storage space successively through a plurality of inlet ports formed in one of the shelf receiving members.
REFERENCES:
patent: 3895215 (1975-07-01), Gordon
patent: 4002199 (1977-01-01), Jacobs
patent: 4030476 (1977-06-01), Hock
patent: 4381442 (1983-04-01), Guibert
patent: 4482009 (1984-11-01), Nishimura et al.
patent: 4515143 (1985-07-01), Jabas
patent: 4519443 (1985-05-01), Sutoh et al.
patent: 4779604 (1988-10-01), Konig
patent: 4812622 (1989-03-01), Takeda et al.
Mizuno Shigeo
Suzuki Nobuya
Wakatuki Yuji
Ford John
Hoshizaki Electric Co., Ltd.
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