Dual segment ball valve

Details Dual segment ball valve Dual segment ball valve

2006-01-03

2006-01-03

Bastianelli, John (Department: 3751)

Valves and valve actuation

Pivoted valves

C251S315070, C251S315160

Reexamination Certificate

active

06981691

ABSTRACT:
A ball valve has a valve body defining an inner seat and having a fluid inlet and fluid outlet and a control ball element rotatably mounted in the inner seat. The control ball element has a partially spherical outer surface, a flow passage having a leading edge, a first inner control surface abutting the leading edge, and a second inner control surface abutting the leading edge at an angle oblique to the first inner control surface.

REFERENCES:
patent: 3191906 (1965-06-01), Zeigler et al.
patent: 3403887 (1968-10-01), Myers
patent: 4111393 (1978-09-01), McClurg et al.
patent: 4157170 (1979-06-01), McClurg
patent: 4557461 (1985-12-01), Gomi et al.
patent: 4660591 (1987-04-01), Brown et al.
patent: 4989833 (1991-02-01), Polón
patent: 5016857 (1991-05-01), Bovee et al.
patent: 5152503 (1992-10-01), Conway
patent: 5205533 (1993-04-01), Berchem
patent: 5524863 (1996-06-01), Davis
patent: 5904337 (1999-05-01), VanKirk et al.
patent: 6021812 (2000-02-01), Iwamoto et al.
patent: 6267353 (2001-07-01), Friedline et al.
patent: 6378842 (2002-04-01), Frese et al.
patent: 3 613 779 (1987-10-01), None
patent: 199 40 471 (2001-03-01), None
patent: 0 376 502 (1950-07-01), None
patent: 0 838 617 (1998-04-01), None
patent: 0 843 116 (1998-05-01), None
patent: 0 864 788 (1998-09-01), None
patent: 55 107165 (1980-08-01), None
Masoneilan Catalog BN6004 showing 36004 Paramax Flanged Control Ball Valve (2 pps.).
Fisher (Emerson) product flier PF51.3:V150 (1 page).
International Search Report for PCT Application No. PCT/US2004/030667; Nov. 30, 2004; 7 pages.

Affiliated with

Also associated with

Rating

Dual segment ball valve does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Dual segment ball valve, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Dual segment ball valve will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3591061