Temperature controlled picnic box

Patent · Tue Feb 23 04:00:00 EST 1988

OSTI ID:5037449

Burke, E J; Nancarrow, G J

A refrigerator/food warmer picnic box apparatus or the like is described comprising: (a) a housing means for forming a food compartment, the housing means having walls forming a top access aperture; and (b) a lid means for closing the housing means aperture. The lid means including walls forming first and second adjacent apertures, a thermal electric unit, and a motor means mounted, respectively. The thermal electric unit has first and second heat sinks mounted on opposing sides of the thermal electric unit with the first heat sink on the food compartment side of the lid and the second heat sink on the exterior side of the lid, and the motor means having a common drive shaft having first and second opposing ends disposed interiorly and exteriorly of the food compartment lid, respectively. First and second air impellers are mounted on the first and second opposing ends of the common drive shaft in operative association with the first and second heat sinks, whereby the first and second air impellers draw air, respectively, through the first and second heat sinks for selectively heating and cooling and circulating the air in the food compartment picnic box, and keeping the second heat sink substantially at ambient temperature.

• Assignee: NOV; NOV-88-007136; EDB-88-102817
• Patent Number(s): US 4726193
• OSTI ID: 5037449
• Country of Publication: United States
• Language: English

Related Subjects

32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
320303* -- Energy Conservation
Consumption
& Utilization-- Industrial & Agricultural Processes-- Equipment & Processes
AIR FLOW
COLD STORAGE
DESIGN
ELECTRIC MOTORS
FINS
FLUID FLOW
FOOD
GAS FLOW
HEAT SINKS
MOTORS
OPERATION
REFRIGERATORS
SEALS
SINKS
SIZE
STORAGE
WALLS