Pipe joints or couplings – Having plural independent paths – Allowing relative motion of pipes
Patent
1995-12-27
1997-07-29
Arola, Dave W.
Pipe joints or couplings
Having plural independent paths
Allowing relative motion of pipes
285190, 285279, F16L 3904
Patent
active
056515677
ABSTRACT:
A multi-passage bearingless fluid coupler providing an interface between a rotating machine tool spindle and a non-rotating coolant hose. The coupler includes a housing that defines a chamber that has an aperture and first and second fluid inlet ports. A stator member is operatively mounted within the housing chamber and includes a proximal end communicating with the chamber aperture and defining an axial sealing face. The stator member also includes a distal end communicating with the first fluid inlet port. Additionally, the piston includes a first fluid passage defined by a co-axial bore and a second fluid passage defined by a plurality of co-axial bore spaced apart from one another peripherally around the first fluid passage. The coupler also includes a bearingless rotor member mounted for rotation relative to the piston about an axis having a proximal end and a distal end. The proximal end defines an axial sealing face that abuts the piston axial sealing face to form a fluid tight coupling. The distal end is connectable to a workpiece spindle. A biasing member biases the piston axial face into abutting fluid tight contact with the rotor axial face. The coupler facilitates discrete transfer of fluids input into the first and second inlet ports through the first and second passages, respectively, to the workpiece through the workpiece spindle.
REFERENCES:
patent: 2390892 (1945-12-01), McCormack
patent: 2653041 (1953-09-01), Wilson
patent: 2723136 (1955-11-01), Deubler
patent: 3002769 (1961-10-01), Deubler et al.
patent: 3211471 (1965-10-01), Darlington
patent: 3273592 (1966-09-01), Deubler et al.
patent: 3405959 (1968-10-01), Walker
patent: 3414918 (1968-12-01), Petrie et al.
patent: 3450423 (1969-06-01), Favre
patent: 3889983 (1975-06-01), Frieze et al.
patent: 4296952 (1981-10-01), McCracken
patent: 4632431 (1986-12-01), McCracken
patent: 4683912 (1987-08-01), Dubrosky
patent: 4817995 (1989-04-01), Deubler et al.
patent: 4928997 (1990-05-01), Reisener et al.
patent: 5022686 (1991-06-01), Heel et al.
patent: 5067753 (1991-11-01), Porel
patent: 5174614 (1992-12-01), Kaleniecki
patent: 5458375 (1995-10-01), Anspach et al.
Kaleniecki Gerald R.
Kaleniecki James F.
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