Method of operating a compressor near the compressor pumping...

Details Method of operating a compressor near the compressor pumping... Method of operating a compressor near the compressor pumping...

2005-04-20

2008-09-30

Nguyen, Hoang M (Department: 3748)

Power plants

Fluid motor means driven by waste heat or by exhaust energy...

With supercharging means for engine

C417S046000

Reexamination Certificate

active

07428815

ABSTRACT:
In a method of operating a compressor near the compressor pumping limit wherein the compressor includes a control arrangement for adjusting the momentary operating state of the compressor, the flow velocity of a mass flow through the compressor in the boundary layer along the wall of the flow passage is determined for detecting operation of the compressor close to the pumping limit from a reversal of the direction of the mass flow vector in the boundary layer and the control arrangement is actuated so as to prevent the compressor from transgressing the pumping limit.

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