Power steering system

Details Power steering system Power steering system

2007-08-21

2007-08-21

Leslie, Michael (Department: 3745)

Power plants

Pressure fluid source and motor

Having a mechanical clutch or brake device in the power train

C060S326000

Reexamination Certificate

active

11244807

ABSTRACT:
A power steering system for a vehicle includes a hydraulic pump interconnected with a power steering gear and a fluid coupling that operatively connects a drive shaft of an engine of the vehicle with the hydraulic pump. The power steering system also includes an electronic controller operable to provide a variable control signal based on received input and a power electronic converter that energizes the fluid coupling in response to the control signal to vary torque transmitted via said fluid coupling.

REFERENCES:
patent: 4457390 (1984-07-01), Abe et al.
patent: 5469947 (1995-11-01), Anzai et al.
patent: 6528110 (2003-03-01), Szalony
patent: 6920753 (2005-07-01), Namuduri

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