PRE-DETENT TACTILE FEEDBACK ASSEMBLY FOR A FLUID CONTROL VALVE

An improved pre-detent tactile feedback assembly for a fluid control valve is provided. The pre-detent tactile feedback assembly includes an elastic member seated within an annular groove formed in the bore of a plunger valve assembly. Preferably, this elastic member is a garter type spring. When th...

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Bibliographische Detailangaben
Hauptverfasser:	WASSON, JEFFREY B, DAHLGREN, DEREK A
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ACTUATING-FLOATS BLASTING COCKS DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS FLUID-PRESSURE ACTUATORS FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING HYDRAULICS OR PNEUMATICS IN GENERAL LIGHTING MECHANICAL ENGINEERING SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL TAPS 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 THERMAL INSULATION IN GENERAL VALVES WEAPONS
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Beschreibung
Zusammenfassung:	An improved pre-detent tactile feedback assembly for a fluid control valve is provided. The pre-detent tactile feedback assembly includes an elastic member seated within an annular groove formed in the bore of a plunger valve assembly. Preferably, this elastic member is a garter type spring. When the plunger is moved from an opened to a closed position, a portion of the plunger contacts the elastic member, urging the elastic member outwardly into the groove. The additional force required to urge the elastic member into the groove provides a "feel" force to the control lever. Preferably, the groove is positioned within the bore so that this "feel" force is sensed just prior to actuation of an associated detent assembly.