Brush actuator for homopolar generator

Details Brush actuator for homopolar generator Brush actuator for homopolar generator

1982-05-26

1984-07-10

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Rotary

H02K 1300

Patent

active

044595042

ABSTRACT:
A homopolar generator having a rotor with a slip ring surface utilizes an inflatable diaphragm to force the current-collecting brushes into contact with the rotor slip ring. The diaphragm is molded around a metal core. An opening in the metal core directs pressurized gas into a diaphragm cavity to expand the diaphragm against the back of the brush.

REFERENCES:
patent: 1896164 (1933-02-01), Chandeysson
patent: 3123731 (1964-03-01), Gordon
patent: 4200831 (1980-04-01), Weldon et al.
patent: 4246507 (1981-01-01), Weldon et al.
Marshall, "High Current and High Current Density Pulse Tests of Brushes and Collectors for Homopolar Energy Stores," 26th Holm Conf. on Electrical Contacts, Sep. 29-Oct. 1, 1980.
Marshall and Weldon, "Parameter Selection for Homopolar Generators Used as Pulsed Energy Stores," Electrical Machines and Electromechanics, 6:109-127, 1981.
Elektrotechnische Zeitschrift 73, Annual vol. 3, Feb. 1, 1952, p. 76.

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