Return stop for a self-starting synchronous motor

Details Return stop for a self-starting synchronous motor Return stop for a self-starting synchronous motor

1983-11-14

1985-03-19

Budd, Mark O.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 74, 310 84, H02K 710

Patent

active

045061785

ABSTRACT:
In a return stop for a self-starting synchronous motor (1) having an inert mass (9) which is arranged coaxially with a shaft (6) operatively connected to the motor, is rotatable with respect to the shaft, is positioned on the shaft in axial direction and is coupled to the shaft via a helical spring (10) extending coaxially with the shaft, one end (11) of the helical spring being fixedly connected to the inert mass, it is ensured that the helical spring is loosely disposed on the shaft together with the inert mass, the helical spring being connected to the shaft solely by means of friction contact (FIG. 1).

REFERENCES:
patent: 2633950 (1953-04-01), Phaneuf
patent: 3826934 (1974-07-01), Leach
patent: 4296341 (1981-10-01), Guttinger

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