Power steering control device

Details Power steering control device Power steering control device

1978-09-11

1980-07-15

Love, John J.

Motor vehicles

Including one or more ski-like or runner members

With at least one surface-engaging propulsion element

B62D 508

Patent

active

042123666

ABSTRACT:
A power steering control device which is provided with a sensing means which detects the weight of a load carried on the vehicle and a pressure control valve which regulates the pressure of the hydraulic fluid that is supplied to the power steering in response to the value of the detected load, thereby lightening the operation of the steering wheel when the load on the vehicle is large. The pressure control valve can be regulated also by the output of a vehicle speed sensing means. With the controlling factors of both the vehicle load and the vehicle speed, the operation of the steering wheel is lightened when the vehicle speed is low and the vehicle load is large, whereas the operation of the steering wheel meets with a proper resistance when the vehicle speed is high and the vehicle load is small, thereby stabilizing the operation of the steering wheel and giving an ideal feeling to the driver to operate the steering wheel.

REFERENCES:
patent: 3171298 (1965-03-01), Biabaud
patent: 3744515 (1973-07-01), Inoue
patent: 3877540 (1975-04-01), Masuda
patent: 3901343 (1975-08-01), Inoue
patent: 4000785 (1977-01-01), Nishikawa
patent: 4119172 (1978-10-01), Yanagishima

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