Involute lamination armature for a linear reciprocating motor

Details Involute lamination armature for a linear reciprocating motor Involute lamination armature for a linear reciprocating motor

1979-01-02

1980-07-01

Budd, Mark O.

Electrical generator or motor structure

Dynamoelectric

Linear

310 14, 310 23, 310216, H02K 4102

Patent

active

042108314

ABSTRACT:
A generally cylindrical armature for a linear motor includes an outer diameter region of involute laminate construction. Restricting the laminate assembly to an outer diameter region of the armature, which region constitutes a high magnetic flux density region, minimizes an arc of involute .alpha.. Minimizing the arc of involute .alpha. approximates more closely a true radial disposition of the involute laminations, thereby increasing the ability of the laminations to reduce eddy current losses, therein providing the basis for a more efficient linear motor.

REFERENCES:
patent: 3182216 (1965-05-01), Bancroft
patent: 3840983 (1974-10-01), Ryff
patent: 3842300 (1974-10-01), Daykin
patent: 3845340 (1974-10-01), Brooks
patent: 3886383 (1975-05-01), Ross et al.
patent: 3891874 (1975-06-01), Roters et al.

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