Pump casing made of sheet metal

Details Pump casing made of sheet metal Pump casing made of sheet metal

1994-12-21

1996-02-27

Bertsch, Richard A.

Pumps

Motor driven

Electric or magnetic motor

4152141, 403338, F04B 1700

Patent

active

054944180

ABSTRACT:
A pump casing made of sheet metal has an outer casing having a suction nozzle, and an inner casing housed in said outer casing and spaced therefrom. A resilient seal is disposed in a gap defined between the outer casing and an inner casing. An impeller is rotatably disposed in the inner casing with a clearance defined between a liner portion of the inner casing and the impeller. The resilient seal is effective to absorb deformations of the outer casing, such deformations of the outer casing are not transmitted to the inner casing.

REFERENCES:
patent: 2397171 (1946-03-01), Troller et al.
patent: 2422860 (1947-06-01), Seyfried
patent: 2658665 (1953-11-01), Tschudy
patent: 3243102 (1966-03-01), McMahan
patent: 3775024 (1973-11-01), Ulm et al.
patent: 3918852 (1975-11-01), Carter
patent: 3936243 (1976-02-01), Gakenholz
patent: 4013383 (1977-03-01), Rule
patent: 5110266 (1992-05-01), Toyoshima et al.
patent: 5388971 (1995-02-01), Kubayashi et al.

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