Liquid cooled DC motor apparatus

Details Liquid cooled DC motor apparatus Liquid cooled DC motor apparatus

2005-01-04

2005-01-04

Dougherty, Thomas M. (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S191000, C310S192000, C310S193000, C310S154090, C310S254100, C310S089000

Reexamination Certificate

active

06838799

ABSTRACT:
A DC motor apparatus includes a motor housing assembly which includes an outer liquid-tight coolant chamber and an inner, armature-reception chamber portion. Pairs of permanent magnet stator magnet modules are housed within the liquid-tight coolant chamber, and shunt members are housed within the liquid-tight coolant chamber between the stator magnet modules. An armature is centrally located in the inner, armature-reception chamber portion. The armature includes at least one pair of armature pole portions which are wound with same-directional windings. A commutator is connected to the armature, and the commutator includes commutator contacts. An adjustable brush advance/retard mechanism includes roller brushes for contacting the commutator contacts. A liquid cooling system includes a coolant pump and a coolant fluid radiator for circulating liquid coolant through the liquid-tight coolant chamber for cooling the stator magnet modules and the shunt members.

REFERENCES:
patent: 3612929 (1971-10-01), Volkrodt
patent: 4587449 (1986-05-01), West
patent: 4885493 (1989-12-01), Gokhale
patent: 4899074 (1990-02-01), West
patent: 5886450 (1999-03-01), Kuehnle

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