Pumps – Expansible chamber type – Electrically or magnetically actuated distributor
Patent
1993-08-18
1995-01-31
Bertsch, Richard A.
Pumps
Expansible chamber type
Electrically or magnetically actuated distributor
137117, 25112908, F04B 700
Patent
active
053854551
ABSTRACT:
An electronic variable orifice flow control valve includes a valve body mounted on a hydraulic pump housing in a valve bore of the housing, a valve seat on the valve body, a metering rod cooperating with the vale seat in defining a variable orifice, and a solenoid having an armature connected to the metering rod and mounted on a body of the solenoid for bodily shiftable movement between retracted and extended positions. The solenoid body has a concentric discharge type discharge port therein, i.e. a discharge port through which fluid flows concentric with a longitudinal centerline of the valve bore, and the solenoid armature is tubular so that a fluid flow path is defined from the variable orifice to the concentric discharge type discharge port through the armature.
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Dinsmore Larry E.
Hegler Gary G.
Bertsch Richard A.
General Motors Corporation
Kocharov M.
Schwartz Saul
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