Controller for compressor

Details Controller for compressor Controller for compressor

1998-03-11

2000-06-13

Yuen, Henry C.

Pumps

Condition responsive control of drive transmission or pump...

Having means to hold or resist movement of pumping element

417212, 318127, F04B 4912

Patent

active

060741724

ABSTRACT:
A controller is provided to control and fix the stroke and frequency of the piston movement of the compressor under various operating conditions. The controller includes a signal generator for providing a first signal, a detector generating a second signal after detecting that the piston has a displacement, and a signal processing unit electrically connected to the signal generator and the detector for outputting a control signal to the compressor after receiving the first signal and the second signal to control a movement of the piston.

REFERENCES:
patent: 3659968 (1972-05-01), Thomas, Jr. et al.
patent: 4353220 (1982-10-01), Curwen et al.
patent: 4613285 (1986-09-01), Sato et al.
patent: 4772828 (1988-09-01), Heymans et al.
patent: 5535593 (1996-07-01), Wu et al.
patent: 5836165 (1998-11-01), Champion et al.
patent: 5947693 (1999-09-01), Yang

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