Refrigerating system for use in vehicle with engine which enable

Details Refrigerating system for use in vehicle with engine which enable Refrigerating system for use in vehicle with engine which enable

1990-05-18

1991-10-15

Tanner, Harry B.

Refrigeration

With alternately usable energy sources

62134, 622284, 623233, F25B 2700

Patent

active

050563300

ABSTRACT:
A cooling system including a refrigerant compressor for use in a vehicle for cooling a refrigerated compartment includes a hermetic type compressor containing a DC brushless motor as a compressor driver. An electric generator is actuated by the engine of the vehicle to generate AC electric power which is, in turn, rectified by a rectifier to produce DC electric power for driving the DC brushless motor. A switch is provided to switch over from the electric generator to a commercial AC electric power source. The commercial AC electric power is rectified by the rectifier to supply DC electric power. Thus, the compressor can be driven by a commercial AC electric power source when the engine is stopped. In order to achieve accurate temperature control in the refrigerated compartment when the engine is running, the amount of AC electric power generated by the electric generator is controlled. Further, when the engine is stopped, the amount of rectified commercial electric power delivered to the DC electric motor is controlled.

REFERENCES:
patent: 2964923 (1960-12-01), Cone
patent: 4498311 (1985-02-01), Sakano et al.
patent: 4667480 (1987-05-01), Bessler
patent: 4831837 (1989-05-01), Negishi et al.
patent: 4934158 (1990-06-01), Sakano

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