| |
 |
|
Class Information
Number: 363/45
Name: Electric power conversion systems > Current conversion > With means to introduce or eliminate frequency components > In rectifier systems > Including means for reducing ripples from the output
Description: Subject matter wherein the means reduce the ripple from the output D.C. line.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7557544 |
Zero crossing detection for an electric power generation system |
Jul. 7, 2009 |
| 7518890 |
AC/DC/AC converter with reduced inductance in the DC filter capacitors |
Apr. 14, 2009 |
| 7483280 |
Capacitive power supply circuit and method |
Jan. 27, 2009 |
| 7411378 |
Power factor controller that computes currents without measuring them |
Aug. 12, 2008 |
| 7382112 |
Methods and devices for input waveform control in switching power supplies |
Jun. 3, 2008 |
| 7365998 |
Unregulated isolated DC/DC converter with ripple control |
Apr. 29, 2008 |
| 7342372 |
Method for power control of an electric motor |
Mar. 11, 2008 |
| 7236380 |
Rectifier system having different rectifier elements |
Jun. 26, 2007 |
| 7233506 |
Low kVA/kW transformers for AC to DC multipulse converters |
Jun. 19, 2007 |
| 7221111 |
Switching power supply device and method of controlling the switching device |
May. 22, 2007 |
| 7162397 |
Decoding an alternator output signal |
Jan. 9, 2007 |
| 7075268 |
System and method for increasing output horsepower and efficiency in a motor |
Jul. 11, 2006 |
| 7061195 |
Global closed loop control system with dv/dt control and EMI/switching loss reduction |
Jun. 13, 2006 |
| 7054173 |
Circuit with DC filter having a link fuse serially connected between a pair of capacitors |
May. 30, 2006 |
| RE39060 |
Power supply device and air conditioner using the same |
Apr. 11, 2006 |
| 7023714 |
Voltage converter for a power supply |
Apr. 4, 2006 |
| 7016205 |
Ripple-current reduction schemes for AC converters |
Mar. 21, 2006 |
| 7012413 |
Controller for a power factor corrector and method of regulating the power factor corrector |
Mar. 14, 2006 |
| 6992904 |
Power converter module with a voltage regulating circuit |
Jan. 31, 2006 |
| 6980445 |
Power factor improving converter and control method thereof |
Dec. 27, 2005 |
| 6768280 |
Motor control apparatus |
Jul. 27, 2004 |
| 6614197 |
Odd harmonics reduction of phase angle controlled loads |
Sep. 2, 2003 |
| 6469918 |
Solid state cathodic protection systems, methods for making and using same |
Oct. 22, 2002 |
| 6462973 |
A.C./D.C. converter that automatically adapts to the amplitude of the supply voltage |
Oct. 8, 2002 |
| 6391667 |
Power supply unit, semiconductor device testing apparatus and semiconductor device testing method |
May. 21, 2002 |
| 6316883 |
Power-factor correction circuit of electronic ballast for fluorescent lamps |
Nov. 13, 2001 |
| 6313602 |
Modified space vector pulse width modulation technique to reduce DC bus ripple effect in voltage source inverters |
Nov. 6, 2001 |
| 6181583 |
Power supply device and air conditioner using the same |
Jan. 30, 2001 |
| 6160442 |
Load-side filter arrangement for a converter circuit arrangement |
Dec. 12, 2000 |
| 6154090 |
Method of and an active filter for reducing a residual ripple of a current drawn by a load from a network |
Nov. 28, 2000 |
| 6144736 |
T1 channel bank control and apparatus |
Nov. 7, 2000 |
| 6091612 |
Universal power supply for arc welder |
Jul. 18, 2000 |
| 6031299 |
Apparatus and method of providing EMI filtering |
Feb. 29, 2000 |
| 6018473 |
Power supply and printing machine containing same |
Jan. 25, 2000 |
| 5959852 |
Unity power factor power supply for use with variable frequency power sources |
Sep. 28, 1999 |
| 5912811 |
Device for reducing low frequency electromagnetic fields in an electric blanket and method |
Jun. 15, 1999 |
| 5886883 |
Alternative power supply system for replacement of nickel-cadmium battery packs |
Mar. 23, 1999 |
| 5870299 |
Method and apparatus for damping ringing in self-driven synchronous rectifiers |
Feb. 9, 1999 |
| 5835364 |
Harmonic eliminating PWM converter |
Nov. 10, 1998 |
| 5825639 |
DC bus capacitor arrangement |
Oct. 20, 1998 |
| 5818705 |
Portable computer having built-in AC adapter incorporating a space efficient electromagnetic interference filter |
Oct. 6, 1998 |
| 5798914 |
Power factor of a rectified power supply |
Aug. 25, 1998 |
| 5793623 |
Air conditioning device |
Aug. 11, 1998 |
| 5751561 |
Low cost AC-to-DC converter having input current with reduced harmonics |
May. 12, 1998 |
| 5714846 |
Minimum harmonic distortion operating circuit for at least one low-pressure discharge lamp |
Feb. 3, 1998 |
| 5694302 |
Passive clamp and ripple control for buck boost converter |
Dec. 2, 1997 |
| 5673185 |
Circuit arrangement for generating a DC-separated output voltage |
Sep. 30, 1997 |
| 5636112 |
Portable computer having built-in AC adapter incorporating a space efficient electromagnetic interference filter |
Jun. 3, 1997 |
| 5600549 |
Power factor corrected electrical power converter |
Feb. 4, 1997 |
| 5555182 |
Source quality monitoring system |
Sep. 10, 1996 |
|
|
|
