Electrical machine

Electrical generator or motor structure – Dynamoelectric – Rotary

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Details

310216, 310178, 310179, 310232, 310261, H02K 1300

Patent

active

050497715

ABSTRACT:
An electrical machine which has a rotor positioned within a housing. The rotor has a pair of spaced-apart engagement portions, which, preferably, are tapered. The engagement portions are engaged by collectors or brushes which are arranged in annular configuration around the engagement portions. Retainer support the collectors and serve as electrical conductors with respect to the collectors. Wick elements engage the tapered portions of the rotor adjacent the collectors and provide lubrication and coolant fluid to the collectors and to the surfaces of the engagement portions of the rotor. Actuator mechanisms continuously urge the retainer members and the collectors in an axial direction upon the engagement portions to automatically compensate for wearing action between the collectors and the engagement portions of the rotor. A stator encompasses the rotor to create a magnetic field which encompasses the rotor.

REFERENCES:
patent: 3316519 (1967-04-01), Maytone
patent: 3863083 (1975-01-01), Jaeschke
patent: 4041337 (1977-08-01), Mole
patent: 4137474 (1979-01-01), Krieger
patent: 4277708 (1981-07-01), McNab et al.
patent: 4349760 (1982-09-01), Diepers
patent: 4358699 (1982-11-01), Wilsdorf
patent: 4459504 (1984-07-01), Weldon et al.
patent: 4503349 (1985-03-01), Miller
patent: 4547636 (1985-10-01), Mizuno
patent: 4562368 (1985-12-01), Weldon et al.
patent: 4858304 (1989-08-01), Weldon
"Parameter Selection for Homopolar Generators Used as Pulsed Energy Stores", Richard A. Marshall and William F. Weldon, Center for Electromechanics, University of Texas, Austin, Jul. 1980.

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