Centrifugal pump with resiliently biasing diffuser

Details Centrifugal pump with resiliently biasing diffuser Centrifugal pump with resiliently biasing diffuser

1994-07-28

1995-10-10

Look, Edward K.

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Plural rigidly related blade sets

415140, 4152082, F04D 106, F04D 2944, F04D 2960

Patent

active

054565774

ABSTRACT:
A multistage centrifugal pump having a last stage diffuser which acts as a compensator to load the suction and intermediate pressure gaskets during pump operation and pump stand-by. The last stage diffuser is designed as a spring which deflects under varying conditions and imparts a spring force on the channel rings during assembly, stand-by and other operating conditions.

REFERENCES:
patent: 2280626 (1942-04-01), Carpenter
patent: 3098450 (1963-07-01), Bower
patent: 3154020 (1964-10-01), Sieghartner
patent: 3612716 (1971-10-01), Deters
patent: 3756738 (1973-09-01), Lee
patent: 4098558 (1978-07-01), Bush et al.
patent: 4218181 (1980-08-01), Komatsu et al.
patent: 4244675 (1981-01-01), Bower
patent: 4579509 (1986-04-01), Jacobi
patent: 4778334 (1988-10-01), Medgyesy

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