Multiphase piston-type pumping system and applications of this s

Details Multiphase piston-type pumping system and applications of this s Multiphase piston-type pumping system and applications of this s

1991-11-26

1997-08-26

Thorpe, Timothy

Pumps

Motor driven

Relatively movable pumping members driven by relatively...

417562, 92248, F04B 3910

Patent

active

056605323

ABSTRACT:
A multiphase piston-type pumping system including a feed line (13) for the fluid to be pumped and a discharge line (19) for the pumped fluid, with at least one first variable-volume chamber (2) designed for pumping, the fluid, and with chamber being defined by a first cylinder head (3), a first cylinder (4), and a first piston (5), whereby piston (5) moves along the longitudinal axis of cylinder (4) in the cylinder (4). A first drive element (6) moves the piston (5) in the cylinder (4). The system also has a casing (23) surrounding at least the space swept by piston (5), with the space being opposite the first chamber (2) with respect to and with the piston (5), said easing (23) containing a gaseous fluid. The piston (5) has a recess (20) designed to receive a projection (10) integral with cylinder head (3), whereby these two elements produce a jet of fluid directed at a discharge port (15).

REFERENCES:
patent: 309904 (1884-12-01), Weimer
patent: 2213256 (1940-09-01), Paget
patent: 2213257 (1940-09-01), Lamberton
patent: 2312883 (1943-03-01), Demann
patent: 2404079 (1946-07-01), Maniscalco et al.
patent: 2763425 (1956-09-01), Sahle
patent: 2966861 (1961-01-01), Stewart et al.
patent: 3487897 (1970-01-01), Hahm et al.
patent: 4611634 (1986-09-01), Kruckewitt
patent: 4790728 (1988-12-01), Dwyer

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