Appliance having an a.c. series motor and having switching means

Details Appliance having an a.c. series motor and having switching means Appliance having an a.c. series motor and having switching means

1999-06-04

2000-07-25

LaBalle, Clayton

Electrical generator or motor structure

Dynamoelectric

Rotary

310 50, 318252, H02K 1100, H02K 714, H02P 710, H02P 712

Patent

active

060939877

ABSTRACT:
In an appliance having an a.c. series motor, which comprises a rotor coil configuration and two stator coils, switching means are provided for switching the a.c. series motor to different speeds or speed characteristics. Both coil ends of each of the two stator coils are accessible from outside of the a.c. series motor and are connected to the switching means. The switching means connects either one stator coil or both stator coils in series or both stator coils in parallel and in series with the rotor coil configuration.

REFERENCES:
patent: 3286150 (1966-11-01), Wilson et al.
patent: 3493833 (1970-02-01), Swanke
patent: 3596161 (1971-07-01), Swanke et al.
patent: 3604994 (1971-09-01), Conlon
patent: 3609491 (1971-09-01), Swanke
patent: 3668491 (1972-06-01), Kelly et al.
patent: 3678357 (1972-07-01), Swanke et al.
patent: 4071789 (1978-01-01), Ernster et al.

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