Valves and valve actuation – Rotary valves – Ball valve
Patent
1994-03-02
1995-04-18
Fox, John C.
Valves and valve actuation
Rotary valves
Ball valve
184 15, F16K 1506
Patent
active
054071771
ABSTRACT:
An oil valve device for removing used oil from a drain pan of a vehicle comprising a cylindrical main body portion of a rigid material which has an input end and an output end and an axial bore extending centrally therethrough for conveying fluid through the main body portion from the input end to the output end. The bore is of a first diameter from the input end to an intermediate extent. The bore has an enlarged diameter from the intermediate extent to a location adjacent to the output end. The bore is of the largest diameter adjacent to the output end. The main body portion has a radial aperture therethrough in the intermediate extent. The main body portion has a threaded exterior on the exterior surface thereof at the input end and at the output end with a large hexagonal shaped nut removably couplable thereto. A housing has a cylindrical exterior surface positionable within the bore at its intermediate extent. The housing has a generally spherical interior surface with an opening extending therethrough in axial alignment with the bore. The housing also has a radial aperture positionable in alignment with the radial aperture of the main body portion. A generally spherical ball is positionable within the housing. The ball has an axial hole therethrough positionable in a first orientation with the hole in alignment with the bore for the passage of fluid therethrough and in a second orientation with the hole transverse thereto whereby the walls of the ball preclude the flow of fluid therethrough. The ball is of a reduced length at the ends of the hole and has a threaded aperture in one side thereof in alignment with the radial apertures. A retainer member is positionable in the bore adjacent to the housing on this side thereof opposite from the input end and adapted to hold the housing and ball in an operative orientation within the main body portion. A stem has an intermediate bend and an outboard end under the control of an operator and a linear inboard end with threads adapted to be releasably secured to the threaded aperture in the ball for turning the ball between an operative orientation and an inoperative orientation.
REFERENCES:
patent: 2606738 (1952-08-01), Alen
patent: 3367624 (1968-02-01), Scaramucci
patent: 3398925 (1968-08-01), Scaramucci
patent: 4078763 (1978-03-01), Yamamoto
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