Boots – shoes – and leggings
Patent
1987-04-29
1989-07-18
Lall, Parshotam
Boots, shoes, and leggings
180142, 74388PS, B62D 504
Patent
active
048498890
ABSTRACT:
A motor-driven power steering system for a vehicle having a motor operatively connected to the steerable road wheels of the vehicle and a clutch arrangement interposed therebetween for selectively establishing and interrupting the transmission of power-assisting force from the motor to the road wheels in accordance with vehicle speed and operator-induced steering torque resulting form the steering force exerted on the steering wheel. The current to be supplied to the motor for controlling the running operation thereof is gradually decreased to reduce the power-assisting force transmitted from the motor to the steerable road wheels as the vehicle speed increases before the clutch is switched off and gradually increased to increase the power-assisting forces as the vehicle speed decreases after the clutch is switched on so as to provide a smooth transition from power steering to manual steering or vice versa without causing any abrupt change in the steering torque.
REFERENCES:
patent: 4573545 (1986-03-01), Kalns
patent: 4582155 (1986-04-01), Ohe
patent: 4651840 (1987-03-01), Shimizu et al.
patent: 4715463 (1987-12-01), Shimizu
patent: 4730686 (1988-03-01), Shimizu
patent: 4735271 (1988-04-01), Shimizu
Kohge Shinichi
Morishita Mitsuharu
Black Thomas G.
Lall Parshotam
Mitsubishi Denki & Kabushiki Kaisha
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