Limited slip differential and power device

Details Limited slip differential and power device Limited slip differential and power device

1991-05-01

1992-09-08

Wright, Dirk

Planetary gear transmission systems or components

Fluid drive or control of planetary gearing

Control of differential planetary gearing

180197, 180248, F16H 1445

Patent

active

051454661

ABSTRACT:
A limited slip differential for a vehicle comprises a friction clutch disposed between a differential gear mechanism and a drive wheel axle, a clutch control cylinder for coupling and decoupling the friction clutch, a normally closed type solenoid valve for charging compressed air to the cylinder from a pressure air source and a normally opened type solenoid valve for discharging compressed air from the cylinder to the air. The normally closed type and normally opened type solenoid valves are operated by a control unit in response to a low .mu. road start, a low .mu. road run, a straight run and a brake so as to charge and discharge compressed air to and from the cylinder and thereby to control air pressure in the cylinder. A power device for a vehicle is composed by adding an engine control cylinder disposed in an acceleration control mechanism and an engine control valve for charging and discharging compressed air to the cylinder, and wherein during a low .mu. road run of the vehicle the engine control valve is operated by the control unit to charge compressed air to the engine control cylinder thereby to cause the engine control cylinder an acceleration return.

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patent: 4974696 (1990-12-01), Miyajima et al.
patent: 5012882 (1991-05-01), Oono et al.

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