U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Bizarre Patents

Patent No. 6260903

Portable automobile partition

A portable partition for use in an automobile having a seat with a seat bench and a seat backrest.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 322/97 - Resistance control


Subclass of Class 322 - Electricity: single generator systems
Definition: Subject matter wherein the armature circuit impedance is
No. of patents: 5
Last issue date: 10/03/2006


NumberTitleIssue Date
7116083Method and system for providing current limiting controllers for high reactance permanent magnet generators
A system and method is provided for overload and fault current protection of a permanent magnet generator. The system comprises a permanent magnet machine, a DC link, an inverter, coupled between the permanent magnet machine and the DC link, and a controller adapted...
10/03/2006
6741067Power generation controller and method for a vehicle
In a power generator, a start of rotor rotation is detected by utilizing a small AC voltage in a stator winding generated by a remaining magnetic flux. A leak current which flows to the power generator from a battery is passed to a negative terminal of the battery t...
05/25/2004
4539486Single-core inductor generator for welding producing multiple, mutually-independent outputs
An inductor generator for welding in which: a plurality of generator elements are combined and incorporated in a single generator and respectively provided with excitation windings to render the generator elements self excitable; a constant-current contro...
09/03/1985
4410848System for maintaining excitation of an alternator during excessive output current conditions
A system for supplying power to a field winding to maintain excitation of an alternating current generator during excessive output current conditions, the generator having a plurality of output lines for supplying power to a load and the field winding bei...
10/18/1983
4344027Frequency regulator for synchronous generators
The present invention is directed to a novel frequency regulator which controls a generator output frequency for variations in both the input power to the generator and the power supplied to an uncontrolled external load. The present invention further inc...
08/10/1982
 
Sign InRegister
Username  
Password   
forgot password?