Pumping assemblies

Details Pumping assemblies Pumping assemblies

1983-04-11

1985-10-29

Powell, Jr., Everette A.

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Casing with axial, conical flow runner

415219C, F04D 2940

Patent

active

045498490

ABSTRACT:
This invention relates to a pumping assembly for heating and faucet water plants, comprising a wet-armature motor and a centrifugal pump driven thereby, the casing of which is pressed to shape from metal plate and has an axially directed collar against which bears the encircling marginal area of a partition separating the pumping space from the motor space, and which is joined by welding to an equally encircling marginal area of the split tube separating the armature space from the stator space. A particularly uncomplicated and safe joint results between the components in question due to the fact that, in accordance with the invention, the partition and the split tube are interwelded at least at points in their mutual contact area and are, jointly with the armature connected to the pump casing, to form a structural unit ready for installation, by connecting the collar of the pump casing in liquid-tight manner to the said marginal area of the split tube by pressure welding.

REFERENCES:
patent: 3059582 (1962-10-01), Greene et al.
patent: 3612717 (1971-10-01), Burns
patent: 3620042 (1971-11-01), Gray
patent: 3924963 (1975-12-01), Zerrer
patent: 3967915 (1976-07-01), Litzenberg

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