Electromagnetic means and method for detecting propeller shaft b

Details Electromagnetic means and method for detecting propeller shaft b Electromagnetic means and method for detecting propeller shaft b

1976-11-26

1978-08-15

Corcoran, Robert J.

Electricity: measuring and testing

Magnetic

Displacement

33174L, 340517, 340682, G01R 3312

Patent

active

041076036

ABSTRACT:
Apparatus monitors the wear of a propeller shaft bearing such as may be found in a tanker, or any other ship, while it is in service. As the shaft is rotating a sensor provides a signal corresponding to the displacement of the shaft with respect to its longitudinal axis. The displacement signal is applied to an averaging network which provides a signal corresponding to the average displacement to a recorder. The recording of the average displacement signal permits determination of wear of the shaft bearing.

REFERENCES:
patent: 2078796 (1937-04-01), Greentree et al.
patent: 3677072 (1972-07-01), Weichbrodt et al.
patent: 3913084 (1975-10-01), Bollinger et al.

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