Rotor shaft with corrosion resistant ferrule for pumps motor

Details Rotor shaft with corrosion resistant ferrule for pumps motor Rotor shaft with corrosion resistant ferrule for pumps motor

1987-10-07

1989-03-07

Salce, Patrick R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 87, 415170A, H02K 516, F01D 1108

Patent

active

048109185

ABSTRACT:
A corrosion resistant ferrule secured to the end of a full carbon steel rotor shaft in order to reduce wear and corrosion of the sealing elements of the pump assembly, while enhancing the overall strength of the drive shaft. A threaded member is received in the end of the rotor shaft and ferrule in order to secure the pump impeller to the drive shaft. The corrosion resistant ferrule reduces manufacturing costs while allowing integral rotor shaft construction. The ferrule may be manufactured of stainless steel, plastic, or brass.

REFERENCES:
patent: 1249572 (1917-12-01), Weitling
patent: 2010525 (1935-08-01), McHugh
patent: 2190670 (1940-02-01), Mann
patent: 2862453 (1958-12-01), Nagle
patent: 3868520 (1975-02-01), Curtis et al.
patent: 4199092 (1980-04-01), Rose
patent: 4286183 (1981-08-01), Montgomery
patent: 4345801 (1982-08-01), Randolph et al.
patent: 4380416 (1983-04-01), Menager
patent: 4454438 (1984-06-01), Yamashita et al.
patent: 4473335 (1984-09-01), Henry
patent: 4644210 (1987-02-01), Meisner et al.

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