Fluid handling – Line condition change responsive valves – With separate connected fluid reactor surface
Reexamination Certificate
2006-11-28
2006-11-28
Hepperle, Stephen M. (Department: 3753)
Fluid handling
Line condition change responsive valves
With separate connected fluid reactor surface
C137S460000, C137S513300, C137S517000
Reexamination Certificate
active
07140386
ABSTRACT:
A surge suppressor and safety shut-off valve is described which automatically shuts off fluid flow in response to a sufficient pressure differential across the valve. The shut-off valve comprises a valve body adapted for use within a fluid distribution system through which a predetermined flow of a fluid is nominally allowed to pass. A flow restricting means is disposed therein that reduces the maximum flow when triggered by a sufficient pressure differential between inlet and outlet. By way of example, the flow restricting means is preferably provided by a poppet which is slidably engaged within the valve chamber to restrict fluid flow therethrough. The poppet is preferably adapted with a very low volume bypass port through which opposing pressures at valve inlet and outlet may be equalized for automatically resetting of the valve after the surge has passed, or a rupture has been repaired.
REFERENCES:
patent: 2716398 (1955-08-01), McMullen
patent: 3023591 (1962-03-01), Tilney
patent: 3343563 (1967-09-01), Carter, Jr.
patent: 3434493 (1969-03-01), Owens
patent: 3464439 (1969-09-01), Budzich
patent: 3568705 (1971-03-01), Boyadjieff
patent: 4574833 (1986-03-01), Custer
patent: 4590962 (1986-05-01), Tespa
patent: 4674526 (1987-06-01), Athanassiu
patent: 4880030 (1989-11-01), Terry
patent: 5085246 (1992-02-01), Griinke
patent: 5215113 (1993-06-01), Terry
patent: 5265643 (1993-11-01), Golestan et al.
patent: 5295534 (1994-03-01), Porter
patent: 5381822 (1995-01-01), Christensen
patent: 5551476 (1996-09-01), McGinnis
patent: 6019115 (2000-02-01), Sanders
patent: 6123101 (2000-09-01), Velie et al.
patent: 6920895 (2005-07-01), Avis et al.
Avis Alan
Rodman Brian
Hepperle Stephen M.
O'Banion John P.
LandOfFree
Surge suppression and safety cut-off 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 Surge suppression and safety cut-off valve, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Surge suppression and safety cut-off valve will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3655971