Circuit board unit for driving and controlling motor that drives

Details Circuit board unit for driving and controlling motor that drives Circuit board unit for driving and controlling motor that drives

1996-05-07

1997-10-07

Martin, David S.

Electricity: motive power systems

Battery-fed motor systems

318254, 318439, 318558, 361709, 361720, 361752, H02P 100

Patent

active

056752237

ABSTRACT:
A circuit board unit for driving and controlling a motor that drives a compressor for an air-conditioner has a first mounting base, a second mounting base mounted on the first mounting base, and a printed circuit board mounted on the second mounting base. The first mounting base has thereon a first group of high voltage electrical elements belonging to a motor driving circuit and a heat sink so that some of the high voltage electrical elements that need positive heat dissipation are mounted thereon. The second mounting base has thereon a second group of high voltage electrical elements belonging to the motor driving circuit and a plurality of flat electrical conductors that are partially embedded in the second mounting base in an insert mold fashion and forming a predetermined wiring pattern so as to electrically connect the high voltage electrical elements. The printed circuit board has thereon a group of low voltage electrical elements belonging to a motor control circuit.

REFERENCES:
patent: 4795867 (1989-01-01), Ohi et al.
patent: 5012656 (1991-05-01), Tamura
patent: 5038091 (1991-08-01), Bashark
patent: 5179842 (1993-01-01), Kanazawa
patent: 5497289 (1996-03-01), Sugishima et al.
patent: 5548481 (1996-08-01), Salisbury et al.
patent: 5581254 (1996-12-01), Rundel

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