Thermoelectric refrigerator/warmer using no external power, and

Details Thermoelectric refrigerator/warmer using no external power, and Thermoelectric refrigerator/warmer using no external power, and

1998-06-09

1999-11-23

Bennett, Henry

Refrigeration

Using electrical or magnetic effect

Thermoelectric; e.g., peltier effect

62 3, 62 37, 62457, 624577, F25B 2102

Patent

active

059878916

ABSTRACT:
A thermoelectric refrigerator/warmer using no external power, and a refrigerating/warming method are disclosed. A natural energy such as the solar energy is utilized so as to make an external power needless. Thus a thermoelectric device is made to convert the natural energy into electric power based on the difference between the internal and external temperatures, and this electric energy is converted again into a thermal energy by means of a peltier device, thereby varying the internal temperature of the apparatus. An outer part 4 of a thermoelectric device 3 is attached on the side face of the refrigerator/warmer, and an inner part 5 of it is attached on a bottom plate 7 of the refrigerator/warmer. Thus a thermoelectromotive force is generated based on the temperature difference between outside and inside of the refrigerator/warmer. The voltage thus generated is supplied to a peltier device 6 to cool or heat the bottom plate 7. In this manner, the thermoelectric refrigerator/warmer can be operated even without using an external power.

REFERENCES:
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patent: 5715684 (1998-02-01), Watanabe et al.
patent: 5860281 (1999-01-01), Coffee et al.

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