Fire extinguishers – Sprinkler heads
Patent
1996-09-25
1999-02-02
Hoge, Gary C.
Fire extinguishers
Sprinkler heads
169 38, A62C 3568
Patent
active
058652566
ABSTRACT:
A pendent-type fire protection sprinkler with a body defining an orifice and outlet for flow of fluid, and a deflector positioned coaxial with the outlet for impingement of fluid flow thereupon. The deflector has one or a combination of features for improved performance. For example, the deflector may have a frusto-conically shaped recess within a central area facing the sprinkler outlet, the recess defined by a surface slanted at a predetermined acute angle to the horizontal, with a plurality of holes or slots defined by the slanted surface, the recess being surrounded by an essentially flat outer area perpendicular to the sprinkler outlet axis. The deflector may have a bump, or other irregularity, on the sprinkler deflector inside surface opposed to the sprinkler outlet on each of the opposite tines in a plane perpendicular to a plane of the sprinkler frame arms. The deflector may have openings at about 45.degree. to the plane of the frame arms, the openings shaped with the width of each opening gradually decreasing towards the deflector periphery.
REFERENCES:
patent: 720013 (1903-02-01), Esty
patent: 733646 (1903-07-01), Hibbard
patent: 776614 (1904-12-01), Phelps
patent: 1498139 (1924-06-01), Williams
patent: 2076483 (1937-04-01), Rowley
patent: 2135138 (1938-11-01), Kendall
patent: 2211399 (1940-08-01), Winslow
patent: 2389333 (1945-11-01), Tyden
patent: 2534066 (1950-12-01), Rowley
patent: 3561537 (1971-02-01), Bix
patent: 3682251 (1972-08-01), Livingston
patent: 4580729 (1986-04-01), Pounder
patent: 5203416 (1993-04-01), Takeuchi et al.
patent: 5366022 (1994-11-01), Meyer et al.
patent: 5392993 (1995-02-01), Fischer
Grinnell Corporation
Hoge Gary C.
LandOfFree
Deflectors for pendent-type fire protection sprinklers does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Deflectors for pendent-type fire protection sprinklers, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Deflectors for pendent-type fire protection sprinklers will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1109041