Pipes and tubular conduits – Combined – With external support structure
Patent
1998-11-19
2000-05-30
Kashnikow, Andres
Pipes and tubular conduits
Combined
With external support structure
138 40, 138 42, 138 44, F16L 5504, F16L 5500, F16L 304, F16D 102
Patent
active
060680245
ABSTRACT:
A fluid delivery and removal mount for a stationary hydraulic roller shaft is disclosed as having a housing surrounding an annular support member which in turn supports the stationary roller shaft. The housing defines a pair of radially extending fluid conduits as does the annular support member. These fluid conduits in turn couple with a matched pair of radially oriented ports defined by the shaft. The shaft ports intersect a pair of axially extending fluid conduits formed in the shaft that serve to deliver and remove fluid from a hydraulic motor in roller. The annular support member preferably has a convex outer surface to match a concave inner surface of the housing thereby approximating the functionality of a self-aligning bearing. To facilitate off axis positions of the shaft, the fluid conduits of the housing are oversized compared to those of the annular support member. Optional circumferential seals located at the housing-support member interface limit fluid migration to the environment.
REFERENCES:
patent: 2217216 (1940-10-01), Davis
patent: 4393722 (1983-07-01), Scott
patent: 5069252 (1991-12-01), Kendrick et al.
Hwu Davis
Kashnikow Andres
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