Compressor arrangement for a heat pump installation

Details Compressor arrangement for a heat pump installation Compressor arrangement for a heat pump installation

1983-03-17

1985-05-14

Look, Edward K.

Pumps

Condition responsive control of pump drive motor

By control of electric or magnetic drive motor

318313, 318640, 417902, F04B 4906

Patent

active

045169128

ABSTRACT:
A compressor arrangement for a heat pump installation in which an electric motor is provided as the drive means for the compressor is disclosed. In order to make possible operation of the compressor without unpermissibly large surge currents in the electric network supplying power to the electric motor, the compressor is driven by a permanent magnet-excited d-c motor which is provided with an electronic commutating device. The starting current drawn by the d-c motor can be controlled by means of a d-c voltage control element coupled to the electric network by a rectifier so as to prevent unpermissibly large starting surge currents.

REFERENCES:
patent: 3924167 (1975-12-01), Clark et al.
patent: 3997823 (1976-12-01), Machida
patent: 4047081 (1977-09-01), Liska
patent: 4050006 (1977-09-01), Stich
patent: 4099225 (1978-07-01), Nygaard
patent: 4217508 (1980-08-01), Uzuka
patent: 4249116 (1981-02-01), Hieda
patent: 4352642 (1982-10-01), Murayama et al.

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