Pipe joints or couplings – With assembly means or feature – Guide and support
Patent
1995-02-07
1996-11-26
Arola, Dave W.
Pipe joints or couplings
With assembly means or feature
Guide and support
285 93, 285279, 285917, 29428, 2989014, F16L 3500
Patent
active
055777759
ABSTRACT:
A unitary, fully-assembled bearingless coolant union which transfers cooling fluid from a fluid source to an axial bore of a rotating spindle on a stationary machine. The union includes a main housing which holds in position both a rotor assembly and a stator assembly such that a rotating seal on the rotor assembly remains in fluid-tight contacting relation with a non-rotating seal on the stator assembly. Means are provided to allow the seal members to move axially with respect to the spindle's axis of rotation in response to axial movement by the spindle itself and to allow the inclination of the seal members from a plane transverse to this axis of rotation in response to minor misalignment of the rotor assembly from concentric relation with this axis of rotation. The two-step process for installing the union includes (1) attaching the end of the rotor assembly to a spindle, and (2) mounting the union's housing assembly upon the stationary machine within the allowable set-up tolerance.
REFERENCES:
patent: 2805086 (1957-09-01), Schumaker
patent: 3405959 (1968-10-01), Walker
patent: 3889983 (1975-06-01), Freize
patent: 4296952 (1981-10-01), McCracken
patent: 4817995 (1989-04-01), Deubler et al.
patent: 5165734 (1992-11-01), Smith
patent: 5174614 (1992-12-01), Kaleniecki
patent: 5303959 (1994-04-01), Medsker
Pearson Dennis G.
Wanders Dean E.
Arola Dave W.
Barco, A Division of Marison Industries
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