Motor vehicles – Surface effect vehicles – Dynamic seal or fluid curtain
Patent
1980-05-08
1983-01-18
Pekar, John A.
Motor vehicles
Surface effect vehicles
Dynamic seal or fluid curtain
180152, 91375A, 91523, B62D 508, B62D 510
Patent
active
043687946
ABSTRACT:
A power steering gear assembly having a single control valve suitable for use in a single circuit type of power steering system, may be simply converted to use in a two-circuit type of power steering system by replacement of the steering spindle and the addition of a housing extension enclosing a second control valve formed on the replaced steering spindle. Both control valves include portions of the common steering spindle and control sleeves rotatable thereon, with one of the control sleeves being formed in one piece with the worm shaft of the steering gear assembly.
REFERENCES:
patent: 3180233 (1965-04-01), Jablonsky
patent: 3602101 (1971-08-01), Jablonsky
patent: 3822759 (1974-07-01), Sheppard
patent: 4186818 (1980-02-01), Jablonsky
patent: 4189024 (1980-02-01), Jablonsky
Elser Dieter
Holub Heinrich
Pekar John A.
Zahnradfabrik Friedrichshafen AG
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