Method for controlling displacement of a variable displacement w

Details Method for controlling displacement of a variable displacement w Method for controlling displacement of a variable displacement w

1987-12-03

1989-06-13

Freeh, William L.

Pumps

Condition responsive control of drive transmission or pump...

Adjustable cam or linkage

417270, F04B 126

Patent

active

048387665

ABSTRACT:
A method for controlling the compressor displacement of a variable displacement wobble plate type compressor having a solenoid-operated control valve unit for controlling the pressure level of a crankcase chamber of the compressor by controlling the duty ratio of an electric pulsive current to energize the solenoid-operated control valve unit, the frequency of the electric pulsive current being set and maintained at a low frequency, such as a frequency equal to or less than 1.0 Hz.

REFERENCES:
patent: 4132086 (1979-02-01), Kountz
patent: 4533299 (1985-08-01), Swain
patent: 4685866 (1987-08-01), Takenaka et al.
patent: 4730986 (1988-03-01), Kayukawa
patent: 4747754 (1988-05-01), Fujii

Affiliated with

Also associated with

Rating

Method for controlling displacement of a variable displacement w does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method for controlling displacement of a variable displacement w, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for controlling displacement of a variable displacement w will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1273389