Submergible motor pump assembly

Details Submergible motor pump assembly Submergible motor pump assembly

1983-03-07

1985-06-18

Croyle, Carlton R.

Pumps

Motor driven

Including means for facilitating assembly or disassembly of...

417424, 415169A, F04B 3902, F04B 2102

Patent

active

045238995

ABSTRACT:
A submergible motor pump assembly is disclosed which is arranged to be easy to access to any part of the assembly with dismantling minimum elements, i.e. without requiring disassembly of the whole and without requiring discharging lubricating oil for a mechanical seal. Also, plural balance holes are provided in the main plate of the impeller and a liner ring is disposed between the main plate and the top wall of the impeller chamber to establish the flow passage from the tip of the impeller blades through the gap between the main plate and the top wall of the chamber to the balance holes with flow restricted zones by the liner ring.

REFERENCES:
patent: 1476781 (1923-12-01), Vincent
patent: 2023206 (1935-12-01), Olson
patent: 2218003 (1940-10-01), Hawley
patent: 2320708 (1943-06-01), Yost
patent: 2506827 (1950-05-01), Goodner
patent: 3153382 (1964-10-01), Blarcom, Jr.
patent: 3176620 (1965-04-01), Shiley
patent: 3526469 (1970-09-01), Lipe et al.
patent: 3552888 (1971-01-01), Eriksson
patent: 3850550 (1974-11-01), Kaessen
patent: 4042847 (1977-08-01), Jensen
patent: 4349322 (1982-09-01), Stahle

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