Vessel pump

Details Vessel pump Vessel pump

1978-03-29

1979-12-04

Freeh, William L.

Pumps

Motor driven

Electric or magnetic motor

308238, F04B 3504

Patent

active

041770226

ABSTRACT:
A pump for pumping liquid from a vessel or the like wherein the driving motor drives a driving shaft extending in a delivery pipe and having a delivery rotor in the lower region of the driving shaft, the driving shaft being provided in at least one location with a resilient bearing of two concentrically arranged annular retainer springs formed from a single piece of metal wherein the inner annular retainer spring holds a replaceable slide bearing sleeve through which the driving shaft extends and the outer annular retaining spring is adjacent to and supported by the delivery pipe.

REFERENCES:
patent: 2267459 (1941-12-01), Hait
patent: 2280626 (1942-04-01), Carpenter
patent: 3601459 (1971-08-01), Cutting
patent: 4098557 (1978-07-01), Claunch et al.

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