Temperature controlled picnic box

Details Temperature controlled picnic box Temperature controlled picnic box

1987-02-13

1988-02-23

King, Lloyd L.

Refrigeration

Using electrical or magnetic effect

Thermoelectric; e.g., peltier effect

62449, 62457, F25B 2102

Patent

active

047261935

ABSTRACT:
A refrigerator/food warmer includes an insulated food compartment and lid. A thermoelectric heat exchanger and air circulator are mounted in the lid with both a heatsink of the thermoelectric heat exchanger and an air impeller of the air circulator above and below the lid, respectively. The air impeller above the lid draws air through the corresponding heat sink for improving the temperature differential between opposing sides of the thermoelectric heat exchanger, and the air impeller below the lid forces air of the insulated housing through the corresponding heat sink for conditioning the air hot or cold, as desired, and circulating the conditioned air throughout the insulated housing.

REFERENCES:
patent: 2094542 (1937-09-01), Kuhnel
patent: 2671603 (1954-03-01), Bauer
patent: 3078682 (1963-02-01), Gould
patent: 3194023 (1965-07-01), Sudmeier
patent: 3821881 (1974-07-01), Harkias
patent: 3823567 (1974-07-01), Corini
patent: 4364234 (1982-12-01), Reed

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