Vacuum pump system
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United States of America Patent
Stats
-
Oct 13, 1987
Grant Date -
N/A
app pub date -
Mar 7, 1986
filing date -
Mar 7, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A vacuum pump aggregate utilizes a microprocessor in conjunction with pressure and temperature sensors and motor control circuits to regulate the pressure by varying the speed of one or more vacuum pumps. Measured temperature and/or pressure values are compared with predetermined values by the microprocessor which in turn adjusts the speed of the motors.
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