Leakage preventing liquid supply pump

Details Leakage preventing liquid supply pump Leakage preventing liquid supply pump

1986-11-03

1987-07-21

Croyle, Carlton R.

Pumps

Successive stages

Reciprocating rigid stages

417439, F04B 1904

Patent

active

046815163

ABSTRACT:
A liquid supply pump adapted for coupling to a reciprocable motor, particularly for pumping liquids having thermosetting properties. The pump incorporates a double-acting piston in a pumping cylinder, driven by an elongated drive shaft which projects from the top of the pump for reciprocable motion, the pump having a lower intake valve and an upper exhaust valve, and an intermediate drive shaft seal above the pumping cylinder and a liquid and air drive shaft seal proximate the point of projection of the drive shaft from the pump, wherein said two seals are spaced apart by a distance greater than the pump stroke length, and a liquid drainage path from the intermediate seal back to the pump intake region.

REFERENCES:
patent: 1526909 (1925-02-01), Hiller
patent: 1787700 (1931-01-01), Persons
patent: 2019969 (1935-11-01), Holmes
patent: 3109379 (1963-11-01), English
patent: 3887305 (1975-06-01), Ito

Affiliated with

Also associated with

Rating

Leakage preventing liquid supply pump does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-204572