F - Mech Eng,Light,Heat,Weapons – 04 – D
Patent
F - Mech Eng,Light,Heat,Weapons
04
D
103/119, 103/16
F04D 3/00 (2006.01) F04C 13/00 (2006.01) F04D 29/04 (2006.01)
Patent
CA 1080035
ABSTRACT OF THE DISCLOSURE A pump for pumping liquid from a vessel or the like wherein a driving motor operates a driving shaft extending in a delivery pipe with a delivery rotor in the lower region of the driving shaft. In at least one location the drawing shaft is provided with a resilient bearing of two con- centrically arranged annular retainer springs formed from a single piece of metal, the inner annular retainer spring holding a replaceable bearing sleeve through which the driving shaft extends and the outer annular retaining spring being adjacent to and supported by the delivery pipe.
299877
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