Pipe joints or couplings – Pipe to discreet nipple or sleeve to plate
Patent
1980-11-21
1983-12-27
Callaghan, Thomas F.
Pipe joints or couplings
Pipe to discreet nipple or sleeve to plate
285190, F16L 3904
Patent
active
044226764
ABSTRACT:
A triple passage rotor valve (10) includes a body (12) having an internal cylindrical bore (32) defined by a substantially linear internal surface, a substantially cylindrical rotor member (14) having a substantially linear outer surface (34) located within the cylindrical bore of the body member and rotatable relative to the body, first (16), second (18) and third (20) passageways disposed in the body, fourth (22), fifth (24) and sixth (26) passageways disposed in the rotor, seventh (28) and eighth (30) annular passageways for interconnecting the first and fourth passageways and second and fifth passageways, respectively, and seal means (70, 72, 74) disposed between the linear internal surface of the cylindrical bore and the outer surface of the rotor member for in part defining the seventh and eighth annular passageways and preventing the flow of fluid therebetween. The seal means includes first (70), second (72) and third (74) seal assemblies. First (76) and second (78) anti-rotation washer assemblies each of which is disposed between the linear internal surface of the cylindrical bore and the linear outer surface of the rotor member are provided for engaging with the first and second and second and third seal assemblies, respectively, to locate the first, second and third seal assemblies between the linear internal surface of the bore and the linear outer surface of the rotor member. A radially disposed fastening means (80) is provided for securing the first and second anti-rotation washers to the body.
REFERENCES:
patent: 2343491 (1944-03-01), Bard et al.
patent: 2458343 (1949-01-01), Carleton
patent: 2577858 (1951-12-01), Sampson
patent: 2590787 (1952-03-01), Nickles
patent: 2877026 (1959-03-01), Payne et al.
patent: 3024030 (1962-03-01), Koch
Deublins Catalog re Model 1895, Rotating Union, Catalog Information re Metal-Backed Seal Assemblies.
Callaghan Thomas F.
Eaton Corporation
Grace C. H.
Toddy C. J.
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