Brake actuation means for a rotary pump system

Details Brake actuation means for a rotary pump system Brake actuation means for a rotary pump system

1996-01-17

1999-09-28

Thorpe, Timothy

Pumps

Motor driven

Including means for selectively varying motor speed or...

417 15, 417 42, 417405, 417409, F04B 1700

Patent

active

059576685

ABSTRACT:
A rotary pump system includes a rotary pump, a turbine for driving the pu and a coupling interconnecting a shaft of the turbine and a shaft of the pump. A speed monitoring system determines rotational speed of the pump shaft, is programmed with selected speeds for the pump during operation, and is adapted to send a signal responsive to a difference between the determined speed and the programmed speed. A brake is engageable with the coupling, and a brake valve is adapted to receive the signal and, in response thereto, to operate the brake to conform the speed of the pump to the programmed speed.

REFERENCES:
patent: 2879716 (1959-03-01), Meredew et al.
patent: 3044262 (1962-07-01), Chadwick et al.
patent: 3375997 (1968-04-01), Gist, Jr.
patent: 3565286 (1971-02-01), Latham, Jr.
patent: 5064351 (1991-11-01), Hamey et al.
patent: 5358036 (1994-10-01), Mills

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