Pilot-operated valve with load pressure feedbacks

Details Pilot-operated valve with load pressure feedbacks Pilot-operated valve with load pressure feedbacks

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F15B 13/043 (2006.01) F15B 11/02 (2006.01) F15B 13/04 (2006.01) F15B 13/042 (2006.01) G05D 16/20 (2006.01) F15B 13/00 (2006.01)

Patent

CA 1303457

PILOT-OPERATED VALVE WITH LOAD PRESSURE FEEDBACKS Abstract of the Disclosure A pilot-operated electrohydraulic valve has a pilot valve member exposed to load pressure via a load pressure feedback passage. Part of the pilot valve member forms a feedback valve which closes communication through the feedback passage upon a predetermined movement of the pilot valve so that the pilot valve can be fully opened without having to overcome the load pressure which would otherwise act on the pilot valve.

568618

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