STEERING DEVICE FOR HYBRID VEHICLE

• Main Authors: KOIKE TETSUO, MIYAJIMA TOSHIHIDE, SHIMIZU KUNITOSHI
• Format: Patent
• Language: English
• Published: 25.03.2004
• Edition: 7
• Subjects: 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; CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS; MOTOR VEHICLES; PERFORMING OPERATIONS; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TOTHE CONTROL OF A PARTICULAR SUB-UNIT; TRAILERS; TRANSPORTING; VEHICLES IN GENERAL

PROBLEM TO BE SOLVED: To provide a power steering device suitable for a large-sized hybrid vehicle having a driving mode which permits driving even with the rotation of an engine stopped, and to provide a steering device for the hybrid vehicle, which is effective even under a condition where oil pressure to be supplied to the power steering device cannot be obtained with the rotation of the engine stopped. SOLUTION: This steering device comprises an auxiliary power steering device 25 with an electric assist motor provided for a steering shaft in line with the hydraulically-operated power steering device 20. The electric power steering device 25 is controlled so as to be automatically operated if no oil pressure is supplied. COPYRIGHT: (C)2004,JPO