Fully hydraulic steering

Details Fully hydraulic steering Fully hydraulic steering

2005-12-06

2005-12-06

Hurley, Kevin (Department: 3611)

Motor vehicles

Steering gear

No mechanical connection between steering shaft and steering...

C180S417000

Reexamination Certificate

active

06971472

ABSTRACT:
The invention concerns a fully hydraulic steering with a steering member, a steering unit that can be activated by the steering member, said steering unit comprising a supply connection arrangement (P, T) with a pressure connection (P) and a tank connection (T), and a working connection arrangement (L, R) with two working connections (L, R), and a steering motor, which is connected with the working connection arrangement (L, R). It is endeavored to increase the possibilities of steering. For this purpose, it is ensured that an auxiliary force operated steering valve is arranged in parallel to the steering unit between the supply connection arrangement (P, T) and the working connection arrangement (L, R).

REFERENCES:
patent: 4703819 (1987-11-01), Hosotani
patent: 5215158 (1993-06-01), Pedersen
patent: 5263321 (1993-11-01), Thomsen et al.
patent: 5520262 (1996-05-01), Marcott
patent: 6336519 (2002-01-01), Bohner et al.
patent: 6367575 (2002-04-01), Bohner et al.
patent: 6502661 (2003-01-01), Heitzer
patent: 6612393 (2003-09-01), Bohner et al.
patent: 19844331 (2000-04-01), None
patent: 63188569 (1988-08-01), None

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