Parallel valve rotary machine control system

Details Parallel valve rotary machine control system Parallel valve rotary machine control system

1984-05-11

1985-04-30

Witkowski, S. J.

Prime-mover dynamo plants

Electric control

Engine control

290 40R, F01D 1702

Patent

active

045146438

ABSTRACT:
A method and apparatus utilizing valves mounted in parallel for controlling fluid flow powering an expander is disclosed. A large slow acting valve and a smaller faster acting valve are combined to obtain the desired control including a damped response. A start-up control based on shaft speed is further disclosed.

REFERENCES:
patent: Re30589 (1981-04-01), Park
patent: 3981608 (1976-09-01), Sato et al.
patent: 4027145 (1977-05-01), McDonald et al.
patent: 4057715 (1977-11-01), Jones et al.
patent: 4118935 (1978-10-01), Andersson
patent: 4120159 (1978-10-01), Matsumoto et al.
patent: 4439687 (1984-03-01), Wood et al.

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