BRAKE CONTROLLER FOR FOUR-WHEEL DRIVE CAR

PURPOSE:To reduce the influence to the traveling performance accompanied by the switching by installing a means for detecting the brake application state continuing for a prescribed time or more and releasing the front/rear-wheel direct-connection state by the detection signal and operating an antis...

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Bibliographische Detailangaben
Hauptverfasser:	YAMAGUCHI HISAAKI, TERAJIMA HISAMI, SADA SADAHITO
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL 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 BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL INSTRUMENTATION OR DASHBOARDS FOR VEHICLES PERFORMING OPERATIONS PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OFVEHICLES TRANSPORTING VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	PURPOSE:To reduce the influence to the traveling performance accompanied by the switching by installing a means for detecting the brake application state continuing for a prescribed time or more and releasing the front/rear-wheel direct-connection state by the detection signal and operating an antiskid brake system (ABS). CONSTITUTION:A clutch 45 for 2-4 wheel switching is operated by a direct- connection releasing modulator 13, and a controller 14 controls the slip rate of a wheel on the basis of the signal of a speed sensor 56a, etc. When the brake operation state continuing for a prescribed time or more is detected by a brake application state detecting means 11 and a brake operation time judging means 16, switching to 2-wheel drive is performed by the direct- connection releasing modulator 13, and ABS is operated after the switching. Since the releasing switching of the front/rear-wheel direct-connection state is carried out only when the brake operation continues for a prescribed time or more, the influence to the traveling performance due to the switching can be reduced.