Dynamoelectric machine roll back collector housing

Details Dynamoelectric machine roll back collector housing Dynamoelectric machine roll back collector housing

1986-08-14

1987-11-17

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Rotary

310227, 310228, H02K 510

Patent

active

047076283

ABSTRACT:
A collector housing over the collector and brush assembly of a dynamoelectric machine is provided with a special valve called a vacuum breaker for permitting by manual operation the alleviation of negative pressure within the housing while the machine is in operation so that the collector housing may be rolled back from its normal location for inspection and maintenance of the collectors and brushes.

REFERENCES:
patent: 878167 (1908-02-01), Webster
patent: 1300637 (1919-04-01), Oglesby
patent: 1471834 (1923-10-01), Defibaugh
patent: 1575660 (1926-03-01), Teipel
patent: 2499190 (1950-02-01), Holmgren
patent: 3662198 (1972-05-01), Adams
patent: 3840762 (1974-10-01), Kajabian

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