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US 6,556,404 B2Granted
Self powered cooling fan and method
AssigneeGeneral Electric Company
InventorsAlberto Anibal Figueroa, Farshid Attarian, Joseph Criniti, Javier Ignacio Larranaga, James Robert Scanlon
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Abstract
Electrical distribution equipment generally includes a housing defining an enclosed space and a conductor in the enclosed space. A current transformer utilizing current in the conductor induces current in a secondary winding thereof, and a fan assembly is electrically connected to the secondary winding. The fan assembly includes a fan motor in driving relation to a fan.
Claims21
A method of increasing a rating of electrical distribution equipment, comprising:
- inducing a voltage in a secondary winding of a transformer using current flow of a conductor in said electrical distribution equipment;
- electrically connecting a fan assembly to said secondary winding, said fan assembly comprising a fan motor and a fan;
- and
- positioning said fan assembly adjacent a vent formed in a housing of said electrical distribution equipment.
1 more element
Electrical distribution equipment comprising:
- a housing defining an enclosed space;
- a conductor in said enclosed space;
- a current transformer utilizing current in said conductor to induce current in a secondary winding;
- a fan assembly electrically connected to said secondary winding, said fan assembly including a fan motor in driving, relation to a fan.
1 more element
Dependencies are inferred from the claim text.