Fluid machine with induction motor

Details Fluid machine with induction motor Fluid machine with induction motor

1994-10-13

1996-10-15

Freay, Charles

Pumps

Motor driven

Electric or magnetic motor

417326, 4174235, 415912, F04B 3504

Patent

active

055649149

ABSTRACT:
A fluid machine system has such characteristics that the flow rate is proportional to the rotational speed, the produced pressure is proportional to the square of the rotational speed, and the shaft power is proportional to the cube of the rotational speed. The fluid machine system has a first fluid machine actuatable by an induction motor, and a second fluid machine actuatable by the induction motor for producing a flow rate of 1/K and a shaft power of 1/K of those the first fluid machine at the same rotational speed as that of the first fluid machine for generating the same pressure as that of the first fluid machine. The fluid machines having many times of design points can be operated by the same induction motor.

REFERENCES:
patent: 2824520 (1958-02-01), Bartels
patent: 3841791 (1974-10-01), Doolin
patent: 4511312 (1985-04-01), Hartwig
patent: 4990068 (1991-02-01), Zhong et al.
patent: 5126642 (1992-06-01), Shahrodi
patent: 5364239 (1994-11-01), Ishikura
"Worthington D-1000 new standard end-suction pumps" 1973, Worthington Standard Pump Co.
Patent Abstracts of Japan, vol. 14, No. 223, (P-1046), Nov. 5, 1990, JP-A-2-052223, Feb. 2, 1990.
World Pumps, No. 12, pp. 361-366, Dec. 1985, "Effects Of VSC On ESP Performance".

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