Method and apparatus for controlling turbocompressors to prevent

Details Method and apparatus for controlling turbocompressors to prevent Method and apparatus for controlling turbocompressors to prevent

1986-11-25

1989-05-16

Lall, Parshotam S.

Boots, shoes, and leggings

36457107, 415 15, 415 1, F04D 2700

Patent

active

048315346

ABSTRACT:
When controlling a turbocompressor to prevent pumping there is generated a control signal which controls a blowoff or recycle valve attached to the compressor outlet by continuously monitoring the working point or operating condition coordinates and comparing the coordinates with a blowoff line defined by operating conditions producing a pumping. Upon the occurrence of a pumping surge, a signal is generated which can control for instance the quick opening of the blowoff valve. In addition, according to the invention the signal generated upon the occurrence of a pumping surge is also utilized to initiate a new fixation of the blowoff line or the pumping limit line.

REFERENCES:
patent: 4090065 (1978-05-01), Braytenbah et al.
patent: 4139328 (1979-02-01), Kuper et al.
patent: 4156578 (1979-05-01), Agar et al.
patent: 4464720 (1984-08-01), Agarwal
patent: 4603394 (1986-07-01), Bukowski et al.
patent: 4656589 (1987-04-01), Albers et al.

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