High speed whirlpool pump

Details High speed whirlpool pump High speed whirlpool pump

1990-10-31

1992-10-20

Smith, Leonard E.

Pumps

Motor driven

Electric or magnetic motor

277 962, 415119, 4151721, 415206, 415231, 416185, 41742311, 4174238, F04D 100, F04D 2910, F04D 2924, F04D 2944

Patent

active

051565358

ABSTRACT:
A pump for Whirlpool and Spa applications has a series wound universal motor which is directly coupled to a centrifugal impeller for operation in the range of 4000 to 9000 RPM. Variable speed of the pump is easily accomplished with a universal motor by varying the voltage to the motor.

REFERENCES:
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patent: 3017071 (1962-01-01), Lejk et al.
patent: 3272129 (1966-09-01), Leopold
patent: 3478689 (1969-11-01), Ball
patent: 3594102 (1971-07-01), Oden
patent: 3644067 (1972-02-01), Yowell
patent: 3652183 (1972-03-01), Pottharst, Jr.
patent: 3914072 (1975-10-01), Rowley et al.
patent: 4195473 (1980-04-01), Aspinwall
patent: 4597717 (1986-07-01), Mohr
patent: 4647271 (1987-03-01), Nagai
patent: 4759272 (1988-07-01), Zaniewski
patent: 4776598 (1988-10-01), Akema
patent: 4998865 (1991-03-01), Nakanishi

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