Ball valve with adjustable flow coefficient

Details Ball valve with adjustable flow coefficient Ball valve with adjustable flow coefficient

2005-01-04

2005-01-04

Mancene, Gene (Department: 3754)

Valves and valve actuation

With selective flow regulation

Rotary

C251S315160, C137S270000

Reexamination Certificate

active

06837480

ABSTRACT:
A valve connected to a fluid pipe line and having a valve chamber and at least one inlet port (3) and one outlet port (4), the valve comprising a ball (5) mounted in the valve chamber between a pair of seats (8, 9), and having an exterior surface and two ends and a fluid passageway extending between the two ends, the ball (5) is turned by a stem (6) for selective adjustment between an open and a closed position, with the ball (5) and stem (6) having an axis of rotation perpendicular to the centerline between the inlet (3) and outlet (4) ports, and the ball (5) having the centerline for its fluid flow passageway at an angle different from perpendicular to the axis of rotation of the ball (5).

REFERENCES:
patent: 3516638 (1970-06-01), Pigott
patent: 3542338 (1970-11-01), Scaramucci
patent: 3762682 (1973-10-01), Franck
patent: 4212321 (1980-07-01), Hulsey
patent: 5324008 (1994-06-01), Bonetti
patent: 5370154 (1994-12-01), Greer
patent: 5566923 (1996-10-01), Ennis et al.
patent: 5735307 (1998-04-01), Charron
patent: 6039304 (2000-03-01), Carlson

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