Motors: expansible chamber type – Three or more cylinders arranged in parallel radial or... – Cylinders parallel to rotation axis
Patent
1980-09-05
1983-05-03
Freeh, William L.
Motors: expansible chamber type
Three or more cylinders arranged in parallel radial or...
Cylinders parallel to rotation axis
60464, 60468, F16D 3102, F01B 1304
Patent
active
043817017
ABSTRACT:
A servomotor composed of a servovalve controlling a hydraulic drum motor is disclosed. A housing is enclosed on the side of the inclined cylinder head by a cover serving as a bearing for the motor shaft, and on the side of the distribution ports by an enclosing plate serving as a second bearing for said shaft. The enclosing plate, having an essentially parallelopiped shape, includes two longitudinal boreholes disposed in parallel in a plane parallel to the plane of the plate, with each of said boreholes joining together a borehole perpendicular to the plate and opening into the use opening of the servovalve fastened to one of the surfaces of the plate, and another borehole perpendicular to the plate and opening into one of said distribution ports. The plate also includes at least one transversal borehole joining together the two longitudinal boreholes and containing two-way safety valves or their equivalent.
REFERENCES:
patent: 2122045 (1938-06-01), Rose et al.
patent: 3213616 (1965-10-01), Roinke
patent: 3360933 (1968-01-01), Swanson et al.
patent: 3396536 (1968-08-01), Miller et al.
patent: 3543514 (1970-12-01), Reimer
patent: 3662551 (1972-05-01), Denker
patent: 3815478 (1974-06-01), Akelsson
patent: 3823650 (1974-07-01), Ring
patent: 3885389 (1975-05-01), Hull
patent: 3908518 (1975-09-01), Bobier
patent: 3982470 (1976-09-01), Adams
Freeh William L.
Regie Nationale des Usines Renault
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