Turbine control device

Details Turbine control device Turbine control device

1987-08-31

1989-01-17

Garrett, Robert E.

Rotary kinetic fluid motors or pumps

With control means responsive to non-cyclic condition...

Plural diverse condition responsive

364160, F01D 1706

Patent

active

047985135

ABSTRACT:
A turbine control device which compensates for non-linearity of the degree-of-opening/flow-rate characteristic of a regulating valve. The device has a turbine rotation speed detector, a calculator to determine a desired flow rate based on a predetermined rotation speed and the detected speed, a valve for controlling the flow rate with a variable degree of opening, a flow rate detector, a memory unit for memorizing combinations of the detected flow rate and respective degrees of opening of the valve, a converter for converting the desired flow rate into a valve opening command signal based on the memorized combinations of the flow rate and respective degrees of opening of the valve, and a servo controller for the valve.

REFERENCES:
patent: 3816715 (1974-06-01), Johnson
patent: 3906196 (1975-09-01), Spitz
patent: 4533990 (1985-08-01), Takada et al.
patent: 4603394 (1986-07-01), Bukowski et al.
patent: 4656589 (1987-04-01), Albers et al.
patent: 4687410 (1987-08-01), Cline et al.

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