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

Icon_funbox Bizarre Patents

Patent No. 5277148

Wearable Pet Enclosure

An enclosure for small animals which is wearable on the front or back of an animate being.

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 318/377 - With additional source of e.m.f.


Subclass of Class 318 - Electricity: motive power systems
Definition: Subject matter in which means are provided for producing
No. of applications: 3
Last issue date: 03/11/2010


Application No.Application TitleIssue Date
20100060245RECTIFYING CIRCUIT FOR A MULTIPHASE ELECTRIC MACHINE
Cathode-anode voltage across free-wheeling diodes in an active rectifier is used in the determination of switching points when the free-wheeling diode is forward biased. Hysteretic switching is accomplished through the selection of conductive and non-conductive switchin...
03/11/2010
20080136359Regenerative braking system of fuel cell vehicle using super capacitor
A regenerative braking system includes a capacitor which is electrically connected to a stack and is charged by the stack, a traction motor, a motor control unit which control electric power input to the traction motor and electric power output from the traction motor, ...
06/12/2008
20070285037Electric motor brake engagement holdup system
An electric motor system includes a motor brake control circuit that uses current induced in the motor stator from generated back EMF to keep the motor brake energized and in its disengaged position, should electric power be lost to the motor system. When the motor has ...
12/13/2007
 
Sign InRegister
Username  
Password   
forgot password?