Pump apparatus having two drive motors

Details Pump apparatus having two drive motors Pump apparatus having two drive motors

1985-05-22

1986-08-19

Croyle, Carlton R.

Pumps

Motor driven

Motor within rotary pumping member

417365, 417410, 310 67R, 310112, F04B 1700, H02K 700

Patent

active

046067078

ABSTRACT:
A pump apparatus comprising a rotary pump including a rotatable shaft having opposite ends to which are drivingly connected a pair of brushless motors. A rotor is secured to the shaft and is mounted within a pump chamber. A drive circuit is connected to the brushless motors to drive the same in synchronism. All of the above components are contained in a casing.

REFERENCES:
patent: 399822 (1889-03-01), Blades
patent: 2557879 (1951-06-01), Lewis et al.
patent: 2648786 (1953-08-01), Kritter
patent: 3223043 (1965-12-01), Shapiro
patent: 3961864 (1976-06-01), Pabst et al.
patent: 4128364 (1978-12-01), Pabst et al.
patent: 4505654 (1985-03-01), Dean et al.

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