Inhibitor switch for automatic transmission

Change gear range positions of an automatic transmission are accurately detected, to perform a sophisticated control and to miniaturize the automatic transmission (101). An inhibitor switch is disclosed, including a permanent magnet (107) and a magnetic sensor (111) which detects a magnetic force of...

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Bibliographische Detailangaben
Hauptverfasser:	SATO, SYUNICHI, WATADA, TSUTOMO
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES AUXILIARY DRIVES FOR VEHICLES BASIC ELECTRIC ELEMENTS BLASTING ELECTRIC SWITCHES ELECTRICITY EMERGENCY PROTECTIVE DEVICES ENGINEERING ELEMENTS AND UNITS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING INSTRUMENTATION OR DASHBOARDS FOR VEHICLES LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS RELAYS SELECTORS THERMAL INSULATION IN GENERAL TRANSPORTING VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	Change gear range positions of an automatic transmission are accurately detected, to perform a sophisticated control and to miniaturize the automatic transmission (101). An inhibitor switch is disclosed, including a permanent magnet (107) and a magnetic sensor (111) which detects a magnetic force of the permanent magnet in a noncontacting state and outputting a linear change in a voltage value in response to a change in a relative position between the permanent magnet and the magnetic sensor, wherein either one of the permanent magnet and the magnetic sensor is mounted on a manual valve shaft (103) side for changing over change gear range positions of the automatic transmission by operating a manual valve of the automatic transmission in an interlocking manner with the manual valve shaft, and the other one of the permanent magnet and the magnetic sensor is mounted on a transmission case side of the automatic transmission, and the change gear range position of the automatic transmission is detectable in response to an output of said voltage value corresponding to the change gear range position.