Motor vehicles – With means for detecting wheel slip during vehicle...
Patent
1991-05-01
1994-04-12
Focarino, Margaret A.
Motor vehicles
With means for detecting wheel slip during vehicle...
180132, 180152, 475 86, 475231, B62D 507
Patent
active
053017668
ABSTRACT:
A power steering and limited slip differential system is provided with a main booster generating a steering effort for front wheels, a directional control valve having a pair of reaction chambers and a friction clutch disposed between a differential gear mechanism and a driving wheel axle for rear wheels and is further added with an auxiliary booster generating a compensation steering effort for the front wheels and a clutch control air cylinder for coupling and decoupling the friction clutch. In the system, an injection pressure control valve injects compensating pressure oil into the auxiliary booster and the reaction chambers of the directional control valve in response to a vehicle speed and steering effort at the beginning of steering and steering back and concurrently controls the pressure of the injected compensating pressure oil, and a pressure air control valve charges and discharges operating compressed air to and from the clutch control air cylinder in response to the vehicle speed and the steering angle of the front wheels, and further in response to the slipping at one side and the both sides of the rear wheels and thereby controls the air pressure of the clutch control air cylinder.
REFERENCES:
patent: 3584537 (1971-06-01), Schulz
patent: 3604528 (1971-09-01), Williamson
patent: 3657888 (1972-04-01), Zirps
patent: 5058700 (1991-10-01), Shibahata
patent: 5078226 (1992-01-01), Inagaki
patent: 5111901 (1992-05-01), Bachhuber et al.
patent: 5161636 (1992-11-01), Haupt et al.
patent: 5172787 (1992-12-01), Kobayashi
Harada Kohji
Momiyama Fujio
Ohmori Kenichi
Oku Shin-ichi
Tokuda Noriaki
Boehler Anne Marie
Focarino Margaret A.
Hino Jidosha Kogyo Kabushiki Kaisha
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