Bearing lubrication in axial piston fluid devices

Details Bearing lubrication in axial piston fluid devices Bearing lubrication in axial piston fluid devices

1989-06-01

1990-06-12

Michalsky, Gerald A.

Motors: expansible chamber type

Three or more cylinders arranged in parallel radial or...

Cylinders parallel to rotation axis

91499, F01B 1304

Patent

active

049323105

ABSTRACT:
The invention involves improvements to an axial piston fluid device of the type having a housing with a central cavity and a valve plate end, a shaft journaled adjacent its inner end in a bushing mounted in a bore in the valve plate end, and a cylinder barrel surrounding the shaft and rotatable therewith in the cavity and against the valve plate end. The invention utilizes a bushing which has a slot intermediate its ends and the valve plate bore has axial extending recesses leading to and away from the bushing slot. The cylinder barrel and valve end have a series of fluid passageways leading from the cavity to the bore and from the recesses to the space between the cylinder barrel and shaft and then back to the cavity.

REFERENCES:
patent: 4167895 (1979-09-01), Rubinstein

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