Motors: expansible chamber type – Working member position feedback to motive fluid control – Follower type
Patent
1990-08-03
1991-12-17
Look, Edward K.
Motors: expansible chamber type
Working member position feedback to motive fluid control
Follower type
180132, 464 97, F15B 900, B62D 500
Patent
active
050726501
ABSTRACT:
An improved power steering system for motor vehicles of the type used for steering dirigible wheels is disclosed. In particular, the improved system is a rotary valve equipped power steering system in which the steering wheel is coupled to the rotary control valve via a coupling device having a rotational stiffness characteristic that is less than the rotational stiffness characteristic associated with the rotary valve itself.
REFERENCES:
patent: 2772546 (1956-12-01), Barrons
patent: 3608131 (1971-09-01), Hornschuch et al.
patent: 4214642 (1980-07-01), Davvergne
patent: 4367672 (1983-01-01), Elser
patent: 4452041 (1984-06-01), Rau
patent: 4625624 (1986-12-01), Adams
Look Edward K.
Nguyen Hoang
Techco Corporation
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