Fluid handling – Systems – With running joint between movable parts of system
Patent
1991-06-11
1993-02-23
Schwadron, Martin P.
Fluid handling
Systems
With running joint between movable parts of system
285136, F16L 3904
Patent
active
051881462
ABSTRACT:
A hydraulic swivel 40 transfers pressurized hydraulic fluid from a stationary spool 50 to a housing 42 mounted for rotation relative to the spool 50. The swivel 40 also carries a drain line 64 placed in fluid communication with the spool/housing interface above and below the pressurized fluid passages so that any fluid leaking from the pressurized fluid passages will find its way to the drain and thus not to the outside of the swivel.
REFERENCES:
patent: 3908695 (1975-09-01), Dunbar
patent: 4683912 (1987-08-01), Dubrosky
patent: 4749335 (1988-06-01), Brandt et al.
patent: 4790699 (1988-12-01), Ringel
Cook, Jr. Harold T.
Furlong Donn B.
Rustad Allan P.
Svendsen Robert A.
Lee Kevin L.
Marco Seattle, Inc.
Schwadron Martin P.
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