Linear motor arrangement with center of mass balancing

Details Linear motor arrangement with center of mass balancing Linear motor arrangement with center of mass balancing

1988-05-27

1989-05-16

Salce, Patrick R.

Electrical generator or motor structure

Dynamoelectric

Reciprocating

310 23, 310 30, H02K 3312

Patent

active

048312924

ABSTRACT:
A motor winding assembly of mass M.sub.m is disposed for reciprocating linear movement within a housing, while a motor armature assembly of mass M.sub.a is disposed for reciprocating linear movement within the motor winding assembly. A first spring having a spring constant K.sub.m is connected between the motor winding assembly and the housing, and a second spring having a spring constant K.sub.a is connected between the motor armature assembly and the housing. The spring constants K.sub.m and K.sub.a satisfy the relation K.sub.m /K.sub.a =M.sub.m /M.sub.a, and since the motor housing assembly and the motor armature assembly move by amounts inversely proportional to their respective masses, essentially no vibration is transmitted to the housing over a wide range of motor operating frequencies.

REFERENCES:
patent: 2861778 (1958-11-01), Spurlin
patent: 4360087 (1982-11-01), Curwen

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