Synchronous motor with dynamic damping

Details Synchronous motor with dynamic damping Synchronous motor with dynamic damping

1984-11-07

1989-05-02

Ro, Bentsu

Electricity: motive power systems

Synchronous motor systems

Antihunting or damping

318372, 318703, 310 93, H02P 704, G05B 501

Patent

active

048272043

ABSTRACT:
In an electric motor with a damping device incorporating a disc-shaped damping mass which is freely rotatable and axially movable in relation to the driven element and consists at least partially of a mangetizable material, the damping mass is located within the range of a stray magnetic field (31) of the motor (11) and is pressed against a friction plate (28) located between the rotor (14) of the motor and the damping mass and rotating with the driven element as a result of the magnetic force of the stray field acting upon the mass.

REFERENCES:
patent: 3379907 (1968-04-01), Hollinger
patent: 3562565 (1971-02-01), Higashino
patent: 3579066 (1971-05-01), Bearfield
patent: 3668445 (1972-06-01), Grove
patent: 3732447 (1973-05-01), Perhats
patent: 3790831 (1974-02-01), Morreale
patent: 4049985 (1977-09-01), Sudler
patent: 4228385 (1980-10-01), Angerbach
patent: 4381048 (1983-04-01), Haverkamp

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