Integrated variable speed compressor drive system

Details Integrated variable speed compressor drive system Integrated variable speed compressor drive system

1990-06-18

1992-06-30

Bertsch, Richard A.

Pumps

Motor driven

Electric or magnetic motor

417212, 475 72, F04B 1700

Patent

active

051258064

ABSTRACT:
An integrated variable speed compressor drive system for driving a compressor which compresses air from an air source and outputs compressed air. The integrated variable speed compressor drive system includes a hydrostatic transmission coupled to a drive shaft for converting a varying rotational speed of the drive shaft into a first rotational speed. A differential coupled to the hydrostatic transmission and the drive shaft is included in the invention for outputting in response to the varying rotational speed of the drive shaft and the first rotational speed of the hydrostatic transmission, a second rotational speed. The differential is coupled to the compressor and drives the compressor using the second rotational speed. The second rotational speed is related to the first rotational speed output by the hydrostatic transmission. The hydrostatic transmission in response to a control signal supplied thereto varies the first rotational speed to thereby control the second rotational speed which drives the compressor.

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