Linear compressor

Details Linear compressor Linear compressor

1978-04-06

1979-12-18

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Reciprocating

310 30, 417416, 417417, H02K 3300

Patent

active

041796306

ABSTRACT:
A moving-iron, linear-motor compressor suitable for use in a refrigerant system, wherein a conical armature reciprocates in a complementary air-gap under the influence of an electromagnetic circuit and a pair of linear (constant rate) complementary return springs connected to the armature between the compressor piston and an outboard bearing. The armature rod is made of magnetically permeable material. The electromagnetic circuit includes a pair of abutting convoluted loops of spirally wound magnetic strip material with a conical air-gap fabricated in the area of abutment. The motor has a layered construction which cooperates with the conical armature and air-gap such that the motor is self-aligning at the assembly stage.

REFERENCES:
patent: 3312842 (1967-04-01), Heuchling
patent: 3542495 (1970-11-01), Barthalon
patent: 3788778 (1974-01-01), Miller

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