Geometrical instruments – Gauge – Collocating
Patent
1998-01-29
2000-02-15
Bennett, G. Bradley
Geometrical instruments
Gauge
Collocating
G01B 525
Patent
active
060238518
ABSTRACT:
A test system predicts when brush holder support blocks in a traction motor frame commutator chamber are properly oriented with respect to each other and a bore axis. Brush holders are modified to include a rod extending orthogonally therefrom. First and second rods extending from opposite sides of the commutator chamber are substantially parallel, and third and fourth rods extending from opposite sides of the commutator chamber are also substantially parallel. The four rods form a rectangle-like polygon having first and second opposed sides and third and fourth opposed sides. In accordance with the testing method, the lengths of the sides, the difference between the lengths of the first and second opposed sides, and the difference between the lengths of the third and fourth opposed sides provide an indication of the orthogonality and spacing of the brush holder support blocks with respect to the bore axis.
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Agosti Ann M.
Bennett G. Bradley
Breedlove Jill M.
Fernandez Maria
General Electric Company
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