Dual flow rotating union

Details Dual flow rotating union Dual flow rotating union

2005-02-08

2005-02-08

Bochna, David (Department: 3679)

Pipe joints or couplings

Swivel

Pipe in socket type

C285S281000, C285S272000, C285S121300, C285S121600

Reexamination Certificate

active

06851724

ABSTRACT:
A dual flow rotating union with a longitudinal axis, including a conduit having opposing ports oriented parallel to the longitudinal axis, the conduit having a rotating section and a stationary section. One conduit port is located on the rotating section, the other conduit port is located on the stationary section. A housing is disposed about the conduit, the housing also having opposing ports oriented parallel to the longitudinal axis. The housing includes a stator portion and a rotor portion rotatably disposed with respect to the stator portion. One housing port is located on the stator portion and the other housing port is located on the rotor portion.

REFERENCES:
patent: 1925091 (1933-09-01), Crossen, Jr.
patent: 2657016 (1953-10-01), Grable
patent: 2805087 (1957-09-01), Shaw et al.
patent: 3586352 (1971-06-01), Smulders
patent: 4142742 (1979-03-01), Cornett et al.
patent: 4260183 (1981-04-01), Krupp
patent: 5651567 (1997-07-01), Kaleniecki et al.
patent: 5895077 (1999-04-01), Sigmundstad
Deublin Rotating Unions—Precision Rotating Connections for Water, Steam, Air, Hydraulic, Vacuum, Coolant and Hot Oil Service, Engineering Catalog 952A, p. 12, 1997.

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