Method of operating a radial compressor set with intake and discharge flow control
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United States of America Patent
Stats
-
Feb 27, 2001
Grant Date -
N/A
app pub date -
Dec 28, 1998
filing date -
Jan 14, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method of operating a radial compressor wherein the output pressure and the throughput m through a radial compressor are measured and the working point A in the operational characteristic diagram of the compressor is determined. For predetermined settings of the discharge flow control, the pump limits of the intake flow control characteristic fields are calculated in the operational characteristic diagram of the compressor. When the discharge flow control is so set that the working point falls in a working range associated with one of the pump limits and whose boundaries in the compressor operational characteristic diagram is spaced by a predetermined minimum spacing and a predetermined maximum spacing from the pump limit. When the working point A varies within this working range, only the intake flow control is adjusted. When the working point leaves the range, the discharge flow control is also adjusted.
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