Electric throttle control system with two-spring failsafe mechanism

The present invention relates to an electronic throttle control system having a housing (22) with a motor (40), throttle valve (60), gear mechanism (100), and failsafe mechanism (130). A spring member (150) attached between the housing (22) and a gear member (104) attached to the throttle valve shaf...

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Bibliographische Detailangaben
Hauptverfasser:	DOTTAVIO, JAMES J, SEMEYN, MARK WARNER, JR, SAUNDERS, MARK ALAN, BOS, EDWARD ALBERT
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ACTUATING-FLOATS BLASTING COCKS COMBUSTION ENGINES CONTROLLING COMBUSTION ENGINES DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES ORMATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHERTHAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUSSUBCLASSES OF CLASSES F01-F04 LIGHTING MECHANICAL ENGINEERING TAPS THERMAL INSULATION IN GENERAL VALVES WEAPONS
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Beschreibung
Zusammenfassung:	The present invention relates to an electronic throttle control system having a housing (22) with a motor (40), throttle valve (60), gear mechanism (100), and failsafe mechanism (130). A spring member (150) attached between the housing (22) and a gear member (104) attached to the throttle valve shaft (62) biases the throttle plate (60) towards the closed position. A spring-biased plunger member (134) biases the throttle plate (60) from its closed position to a default or "limp-home" position.