Rotatable controller system

Power plants – Pressure fluid source and motor – Expansible chamber type volumetric responsive measuring...

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13762568, 418 61B, F15B 1304

Patent

active

043598668

ABSTRACT:
Axially spaced and aligned longitudinal distributor grooves are formed in the radially outer surface of a thin-walled tubular valve element in angularly spaced relation to internal grooving of the valve element for conducting pressurized fluid and establishing a torsional coupling in a hydrostatic controller associated with a power steering system. Obliquely orientated bores in the valve housing establish fluid communication between the longitudinal grooves adjacent opposite axial ends of the housing and axial passages in the housing.

REFERENCES:
patent: 21682 (1858-10-01), Jobin
patent: 149019 (1874-03-01), Witty
patent: 3862645 (1975-01-01), Bianutetta et al.
patent: 3937601 (1976-02-01), Miller

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