Method for controlling the operation of a fluid machine in spinn

Details Method for controlling the operation of a fluid machine in spinn Method for controlling the operation of a fluid machine in spinn

1977-10-11

1979-12-18

Powell, Jr., Everette A.

Rotary kinetic fluid motors or pumps

Method of operation

415110, 415175, F01D 1900

Patent

active

041792378

ABSTRACT:
Prior to bringing a fluid machine to the condition of spinning reserve for practicing a phase modifier operation or for producing a so-called standby condition which permits immediate switch-over to a power-generating or pumping-up operation, the water level in a runner chamber is forced down by supplying compressed air, and then the runner is driven to rotate in compressed air atmosphere. In this process, the water in a casing is gradually discharged at a rate which is commensurate with the rate of supply of the compressed air so as to thereby prevent leaking of the water in the casing from a guide vane.

REFERENCES:
patent: 3238534 (1966-03-01), Hartland
patent: 3658436 (1972-04-01), Oishi et al.
patent: 3890059 (1975-06-01), Takase
patent: 3945754 (1976-03-01), Hagiya
patent: 3985464 (1976-10-01), Hachiya et al.
patent: 4073594 (1978-02-01), Takagi et al.

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