Damper control valve

Details Damper control valve Damper control valve

1996-01-11

1998-03-24

Oberleitner, Robert J.

Brakes

Internal-resistance motion retarder

Controlled by an operator remote from retarder

188316, F16F 946

Patent

active

057302618

ABSTRACT:
A damper control valve includes a body having an inlet, a main outlet and a pilot outlet with a valve disc normally substantially closing the inlet off from the outlet. The valve disc has a continuously open orifice that permits restricted fluid communication between the inlet and the pilot outlet. An armature normally closes the pilot outlet. The armature is movable by a coil to open the pilot outlet and in response, the valve disc independently moves in response to a pressure differential to open the main outlet to the inlet.

REFERENCES:
patent: 3161261 (1964-12-01), Bryant
patent: 4650042 (1987-03-01), Knecht et al.
patent: 4902034 (1990-02-01), Maguran
patent: 5163538 (1992-11-01), Derr et al.
patent: 5163706 (1992-11-01), Maguran
patent: 5282645 (1994-02-01), Spakowski
patent: 5467851 (1995-11-01), Handke

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