B - Operations – Transporting – 60 – P
Patent
B - Operations, Transporting
60
P
62/46
B60P 3/20 (2006.01) B60H 1/32 (2006.01) F25B 27/00 (2006.01) G05D 23/19 (2006.01) H02J 9/06 (2006.01)
Patent
CA 2017261
REFRIGERATING SYSTEM FOR USE IN VEHICLE WITH ENGINE WHICH ENABLES SELECTIVE USE OF COMMERCIAL AC POWER AND A GENERATOR DRIVEN BY THE ENGINE FOR DRIVING THE REFRIGERANT COMPRESSOR ABSTRACT OF THE DISCLOSURE 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 recti- fier 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 tem- perature 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.
Isobe Toshimi
Sakano Riichi
Sanden Corporation
Sim & Mcburney
LandOfFree
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