Cartridge flow control assembly

A power steering pump 10 wherein output is controlled by recycling a portion of the fluid through a bypass 30 within the pump. The housing 12 defines a bore 42, a fluid discharge port 20 and a fluid bypass port 30 communicating with the bore. The flow control assembly 40 is received in the bore and...

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Bibliographische Detailangaben
Hauptverfasser:	TIMOTHY M STATON, SCOTT L RADABAUGH, DALE C KILLINS, BRYAN YOUNGPETER, STEPHEN T HUNG
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CONTROLLING ENGINE PLANTS IN GENERAL GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING PHYSICS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS REGULATING ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS STEAM ENGINES SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS WEAPONS
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Beschreibung
Zusammenfassung:	A power steering pump 10 wherein output is controlled by recycling a portion of the fluid through a bypass 30 within the pump. The housing 12 defines a bore 42, a fluid discharge port 20 and a fluid bypass port 30 communicating with the bore. The flow control assembly 40 is received in the bore and comprises cartridge 46 that includes first opening 54 for admitting fluid from the fluid discharge port 20 and second opening 58 communicating with the bypass port 30. A flow control valve 70 slides to open and close the bypass port. The control valve is biassed in the closed position by a coil spring 74 and a retainer 76 secured to the cartridge. During assembly of the flow control valve, with the coil spring and the retainer within the cartridge, the spring compression force may be measured, and the position of the retainer adjusted, to obtain a predetermined opening force for the valve.