Bearing lubrication in axial piston fluid devices

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

F - Mech Eng,Light,Heat,Weapons

16

N

184/34

F16N 7/36 (2006.01) F01B 3/00 (2006.01)

Patent

CA 2017964

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 mounting 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.

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