Wall pump having backwash valve actuator

Details Wall pump having backwash valve actuator Wall pump having backwash valve actuator

1993-04-06

1995-01-17

Bertsch, Richard A.

Pumps

Expansible chamber type

Pressure responsive distributor opened responsive to pumping...

417554, 417520, 4175552, 417444, 137515, 137522, F04B 700, F04B 2102

Patent

active

053821424

ABSTRACT:
A backwash valve for use in a sucker-rod actuated fluid pump, may be selectively actuated to permit both the standing and traveling ball valves to be unseated at the same time permit the pump to be backwashed and/or the production tubing string drained.

REFERENCES:
patent: 880019 (1908-02-01), Futhey
patent: 984084 (1911-02-01), Farrah
patent: 1771690 (1930-07-01), Rankin
patent: 2690134 (1954-09-01), Ritchey
patent: 3379137 (1968-04-01), Harder
patent: 4599054 (1986-07-01), Spears
Corrosion Treating Tool--Moores--Undated--4 pages.

Affiliated with

Also associated with

Rating

Wall pump having backwash valve actuator does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Wall pump having backwash valve actuator, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Wall pump having backwash valve actuator will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-744034