Safety relief system for control or vent valves

Details Safety relief system for control or vent valves Safety relief system for control or vent valves

1986-05-16

1987-11-10

Schwadron, Martin P.

Fluid handling

Line condition change responsive valves

Line flow effect assisted

92 48, 92 62, 92 65, 137488, 137493, 251 31, 251 634, F16K 1710

Patent

active

047050659

ABSTRACT:
A safety relief system for a valve in a vent or a main flowline. The safety relief system utilizes a main actuator (24) utilized primarily for a positive pressure condition and a vacuum actuator (96) in axial alignment with the main actuator (24) utilized exclusively for a negative pressure condition. The main valve member (18) has a stem (22) which extends within both actuators (24, 96) and diaphragms (26, 100) are connected to the stem (22) for movement of the valve member (18).

REFERENCES:
patent: 1678700 (1928-07-01), McEwan
patent: 2214963 (1940-09-01), Jurs
patent: 2532123 (1950-11-01), Shafer
patent: 2599979 (1952-06-01), Drane
patent: 3077186 (1963-02-01), De Beaubien et al.
patent: 3187640 (1965-06-01), Young et al.
patent: 3424062 (1969-01-01), Gummer et al.
patent: 4390041 (1983-06-01), Reip
patent: 4587884 (1986-05-01), Tsubouchi
patent: 4609008 (1986-09-01), Anderson et al.
Eddy et al., published U.S. patent application 557,868, Mar. 21, 1950.

Affiliated with

Also associated with

Rating

Safety relief system for control or vent valves does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Safety relief system for control or vent valves, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Safety relief system for control or vent valves will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1061581