Linear motor with negative pressure cooling circuit

Details Linear motor with negative pressure cooling circuit Linear motor with negative pressure cooling circuit

1998-09-18

1999-12-28

Enad, Elvin

Electrical generator or motor structure

Dynamoelectric

Linear

310 54, H02K 4100

Patent

active

060085533

ABSTRACT:
An apparatus and method for cooling a linear motor armature assembly is provided for maintaining minimal separation between a motor housing and a magnet plate, wherein the motor housing has a housing opening formed at a side of the motor housing facing the magnet plate. The method includes: a) covering the housing opening with a thin sheet of non-magnetic material having a thickness of less than approximately 0.015 inch to enclose the coil assembly within the motor housing; and b) drawing a cooling fluid through the motor housing to create a negative pressure within the cooling fluid and to cool the coil assembly.

REFERENCES:
patent: 4707628 (1987-11-01), Obley
patent: 5751077 (1998-05-01), Gonzalez

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