Pressure vessel

Details Pressure vessel Pressure vessel

1989-06-21

1990-02-13

Moy, Joseph Man-Fu

Receptacles

Outlet or junction box type

Sectional receptacle

F16J 1514

Patent

active

048998990

ABSTRACT:
There are disclosed two embodiments of a stuffing box for a movable stem of a valve, wherein each stuffing box includes first and second primary packing assemblies at its inner and outer ends, respectively, a third packing assembly intermediate the first and second packing assemblies and including axially spaced inner and outer packing sections between which sealant may be injected, as well as a bleed ring intermediate the first and second packing sections and surrounding the stem with small clearance, whereby purge fluid may be introduced into the small clearance for flow past the inner primary packing assembly in the event it fails.

REFERENCES:
patent: 4560232 (1985-12-01), O'Hara
patent: 4561568 (1985-12-01), Hoffmeister et al.
patent: 4582212 (1986-04-01), Asari
patent: 4582217 (1986-04-01), Proctor et al.
patent: 4653663 (1987-03-01), Holtsclaw
patent: 4793491 (1988-12-01), Wolf et al.
patent: 4844274 (1989-07-01), Sterk

Affiliated with

Also associated with

Rating

Pressure vessel does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1161767