Four-way directional valve

Details Four-way directional valve Four-way directional valve

1981-03-09

1983-01-11

Michalsky, Gerald A.

Fluid handling

Self-proportioning or correlating systems

Supply and exhaust type

91356, 13762418, 13762569, 144193A, F15B 1304

Patent

active

043677630

ABSTRACT:
An automatic four-way valve hydraulically operated for extending and retracting a cylinder, which is spring-biased to the retract attitude until it is fully retracted whereupon a pressure build-up in a chamber between the spool and the valve body overrides the spring causing the valve spool to move to the neutral position.

REFERENCES:
patent: 3267966 (1966-08-01), Williams
patent: 3680583 (1972-08-01), Clair
patent: 3724483 (1973-04-01), Hubbard
patent: 3738379 (1973-06-01), Wilke
patent: 3742971 (1973-07-01), Worthington
patent: 3980336 (1976-09-01), Bitonti
patent: 3990352 (1976-11-01), Nishida et al.
patent: 4022425 (1977-05-01), Govzman et al.
patent: 4209031 (1980-06-01), Sutton

Affiliated with

Also associated with

Rating

Four-way directional valve does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Four-way directional valve, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Four-way directional valve will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-774544