Vacuum pump system

Details Vacuum pump system Vacuum pump system

1986-03-07

1987-10-13

Smith, Leonard E.

Pumps

Condition responsive control of pump drive motor

Plural pumps having separate drive motors, supply sources,...

417 22, 417 69, F04B 3714

Patent

active

046995706

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.

REFERENCES:
patent: 2397443 (1946-03-01), Statham et al.
patent: 2813231 (1957-11-01), Hyde
patent: 2926835 (1960-01-01), Lorenz
patent: 2971691 (1961-02-01), Lorenz
patent: 3817658 (1974-06-01), Murase
patent: 3847507 (1974-11-01), Sakiyama et al.
patent: 4087208 (1978-05-01), Uda et al.
patent: 4225288 (1980-09-01), Mugele et al.
Bartels, D.; Reinhardt, H.-G., Elmo Units-Automatically Controlled Compressor Systems for Process Engineering, Siemens Review XXXVII, (1970), No. 10, vol. 37, pp. 535-539.

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