Remotely removable and replaceable motor for hazardous service p

Details Remotely removable and replaceable motor for hazardous service p Remotely removable and replaceable motor for hazardous service p

1986-05-30

1989-08-08

Smith, Leonard E.

Pumps

Motor driven

Including means for facilitating assembly or disassembly of...

4174241, F04B 902

Patent

active

048548286

ABSTRACT:
A vertical pump driven by a motor having a construction which permits removal and replacement of the motor by remotely controlled equipment. The motor frame is secured to the pump with hold down bolts and the motor shaft is connected to the pump shaft by a unique, tapered coupling arrangement in which a motor coupling half is rigidly secured to a pump coupling half with a drawbar. The motor shaft is hollow and the drawbar extends through the hollow shaft drawing the coupling halves firmly together. The drawbar and hold down bolts are arranged to be selectively loosened or tightened by a remotely operated nut runner.

REFERENCES:
patent: 2435470 (1944-06-01), Samelson
patent: 2639789 (1953-05-01), Rosenberg
patent: 2694157 (1948-09-01), Cone
patent: 3199745 (1965-08-01), Hollis et al.

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