Torque coupling system

Details Torque coupling system Torque coupling system

1989-02-24

1991-07-02

Kwon, John T.

Fluid reaction surfaces (i.e., impellers)

Specific working member mount

Turbo machine

403356, 403318, F01D 530

Patent

active

050282115

ABSTRACT:
A torque coupling system includes an impeller that is connected to one end of an impeller shaft without the use of threads. The connection is made by cement and dowels. A drive system for the shaft includes a hollow coupling into which the other end of the shaft can be fitted. The shaft includes longitudinally extending slots formed at its end. The coupling includes spaced, longitudinally extending keys adapted to be fitted into the slots formed in the shaft. The drive system also includes a torque limiter that is connected intermediate the coupling and a drive motor. If the drive motor is an electric motor, the motor can be provided with automatic shut-down circuitry that is activated in the event of a current/torque overload. Visual and aural alarms are provided to alert the user that a shut-down has occurred.

REFERENCES:
patent: 1842213 (1932-01-01), Smellie
patent: 1993268 (1935-03-01), Ferguson
patent: 2934245 (1960-04-01), Emeny
patent: 3048384 (1962-08-01), Sweeney et al.
patent: 3128084 (1964-04-01), Castor
patent: 4465395 (1984-08-01), Mullenberg
patent: 4786230 (1988-11-01), Thut
patent: 4846763 (1989-07-01), Di Stefano

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