Rotary kinetic fluid motors or pumps – With control means responsive to non-cyclic condition... – Responsive to moving member developed fluid force – current...
Patent
1986-10-29
1989-03-07
Garrett, Robert E.
Rotary kinetic fluid motors or pumps
With control means responsive to non-cyclic condition...
Responsive to moving member developed fluid force, current...
415 17, F04D 2702
Patent
active
048101630
ABSTRACT:
To prevent a compressor from pumping, a blow-off or reorientation valve branched off its outlet is controlled by a controller as a function of the working point location of the compressor relative to a blow-off line defined in the characteristic field. According to the invention, the differential component of the controller behavior, in particular, the time constant governing the differentiation, is so controlled as a function of the working point location that the differentiating effect is great near the blow-off line and sight at a greater distance from the blow-off line.
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patent: 4560319 (1985-12-01), Blotenberg
patent: 4562531 (1985-12-01), Enterline et al.
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patent: 4627788 (1986-12-01), Keyes, IV et al.
patent: 4640665 (1987-02-01), Staroselsky et al.
patent: 4656589 (1987-04-01), Albers et al.
Garrett Robert E.
Kwon John T.
MAN Gutehoffnungshutte GmbH
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