Centrifugal pump with monolithic diffuser and return vane channe

Details Centrifugal pump with monolithic diffuser and return vane channe Centrifugal pump with monolithic diffuser and return vane channe

1993-10-04

1994-09-06

Look, Edward K.

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Plural rigidly related blade sets

4151993, 4152141, F04D 108, F04D 2944

Patent

active

053442857

ABSTRACT:
A segmental ring centrifugal pump wherein the channel ring and the diffuser/crossover hydraulics are formed as a single monolithic casting. By casting the diffuser and the channel ring as a unit, the monolithic diffuser channel ring member and the diffuser vanes provide structural support to the channel ring. The channel ring wall thickness has been reduced by taking advantage of the reinforcing function of the monolithic cast piece. The reinforcement of the channel ring wall and the minimum wall thickness can be adjusted by modifying the radius between the diffuser vanes and the channel ring.

REFERENCES:
patent: 2366964 (1945-01-01), Howard
patent: 3265001 (1966-08-01), Deters
patent: 3477384 (1969-11-01), Hlinka
patent: 3730641 (1973-05-01), Gordon
patent: 3986791 (1976-10-01), Paciga et al.
patent: 4116583 (1978-09-01), Budris
U.S. patent application Ser. No. 08/069,813 for Centrifugal Pump with Improved Diffuser, by J. McKenna, filed Jun. 1, 1993.

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