Pumps – Successive stages – Reciprocating rigid stages
Patent
1982-09-30
1986-07-01
Husar, Cornelius J.
Pumps
Successive stages
Reciprocating rigid stages
417267, 417271, 417273, 417415, 417440, F04B 3504, F04B 2704, F04B 2302
Patent
active
045977178
ABSTRACT:
Disclosed herein is a two-stage fluid pump comprising a base member defining a sump, a first fluid pumping unit including a pumping piston and supply and discharge passages, a second fluid pumping unit including a pumping piston and supply and discharge passages, a plate member fixed on the sump and having mounted thereon the first and second fluid pumping units, the plate member including a conduit communicating with the first unit discharge passage and with the second unit supply passage and a discharge conduit communicating with the second unit discharge passage and terminating in a discharge port in the plate member, a drive engaged with the pistons for effecting reciprocation thereof and including an electric motor mounted on the plate member and including an output shaft, a drive member mounted on the plate member for rotation and having an eccentric portion drivingly connected with the pistons to effect reciprocation thereof in response to rotation of the drive member, and a speed reducing mechanism operably connected between the drive member and the electric motor output shaft.
REFERENCES:
patent: 1901501 (1933-03-01), Ferris
patent: 2018516 (1935-10-01), Edwards
patent: 2255851 (1941-09-01), Lundin
patent: 2399573 (1946-04-01), Rotter et al.
patent: 2450468 (1948-10-01), Cornelius
patent: 2801596 (1957-08-01), Sewell
patent: 3053186 (1962-09-01), Gondek
patent: 3066610 (1962-12-01), Swanson
patent: 3697197 (1972-10-01), Berglund et al.
Cuomo Peter M.
Husar Cornelius J.
Truline C.N.C., Inc.
LandOfFree
Two-stage fluid 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 Two-stage fluid pump, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Two-stage fluid pump will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1079813