Motor and pump shaft connecting assembly with lifting jack

Details Motor and pump shaft connecting assembly with lifting jack Motor and pump shaft connecting assembly with lifting jack

2011-07-19

2011-07-19

Ferguson, Michael P (Department: 3679)

Pumps

Motor driven

Including means for facilitating assembly or disassembly of...

C403S016000, C403S312000

Reexamination Certificate

active

07980833

ABSTRACT:
The present invention relates to a coupling assembly used to connect a rotatable motor shaft to a drive shaft in, for example, a fluid pump. In one embodiment, the coupling assembly of the present invention includes a seal gland that doubles as a jacking gland, thereby facilitating both the raising and/or lowering of a fluid pump's shaft and impeller assembly from the pump's motor. In another embodiment, the coupling assembly of the present invention includes a seal gland having therein one or more connectors that enable the seal gland to be raised and lowered relative the position of the pump's motor. In still another embodiment, the present invention relates to a method for replacing the mechanical seal in the casing portion of a fluid pump.

REFERENCES:
patent: 3048177 (1962-08-01), Takaro
patent: 3252192 (1966-05-01), Smith
patent: 3838987 (1974-10-01), Draut
patent: 3851983 (1974-12-01), MacKenzie
patent: 4240762 (1980-12-01), Lobanoff
patent: 5090742 (1992-02-01), Cohen et al.
patent: 5154652 (1992-10-01), Ecklesdafer
patent: 5208569 (1993-05-01), Michelangelo et al.
patent: 5379519 (1995-01-01), Paddock et al.
patent: 5676183 (1997-10-01), Bravo
patent: 6824471 (2004-11-01), Kamenov

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