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Class Information
Number: 363/52
Name: Electric power conversion systems > Current conversion > Including automatic or integral protection means > For rectifiers
Description: Subject matter wherein the systems for which protection is provided is an A.C. to D.C. converter.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7623362 |
Switching power supply unit |
Nov. 24, 2009 |
| 7577003 |
Switching power supply |
Aug. 18, 2009 |
| 7558089 |
Method and apparatus for space vector modulation in multi-level inverters |
Jul. 7, 2009 |
| 7505289 |
Flyback DC/DC converter using clamp diode |
Mar. 17, 2009 |
| 7468897 |
Rectifier without active switches |
Dec. 23, 2008 |
| 7453710 |
Transformerless safety isolation in a power supply using safety capacitors for galvanic isolation |
Nov. 18, 2008 |
| 7408793 |
Active snubber |
Aug. 5, 2008 |
| 7405955 |
Switching power supply unit and voltage converting method |
Jul. 29, 2008 |
| 7397680 |
Method and apparatus for balancing active capacitor leakage current |
Jul. 8, 2008 |
| 7379311 |
Inrush current control circuit |
May. 27, 2008 |
| 7355865 |
Method and apparatus for rejecting the second harmonic current in an active converter with an unbalanced AC line voltage source |
Apr. 8, 2008 |
| 7336509 |
Method and apparatus for estimating line inductance for PWM rectifier control |
Feb. 26, 2008 |
| 7310250 |
Output voltage circuit of power supply |
Dec. 18, 2007 |
| 7283377 |
Method for controlling firing angle under line dip situations |
Oct. 16, 2007 |
| 7221858 |
Pulse-width modulation motor speed control circuit |
May. 22, 2007 |
| 7209842 |
Activation signal output circuit and determination circuit |
Apr. 24, 2007 |
| 7196918 |
Capacitive drop power supply with low power consumption |
Mar. 27, 2007 |
| 7184287 |
Rectifier clamping circuit with reverse energy recovery |
Feb. 27, 2007 |
| 7170760 |
Switching power supply with clamping circuit |
Jan. 30, 2007 |
| 7133301 |
Method and apparatus for balancing active capacitor leakage current |
Nov. 7, 2006 |
| 7116076 |
Filter network for motor control systems |
Oct. 3, 2006 |
| 7106605 |
DC converter circuit with overshoot protection |
Sep. 12, 2006 |
| 7019991 |
Rectifying circuit |
Mar. 28, 2006 |
| 6999326 |
Drive controller for a self-commutated converter |
Feb. 14, 2006 |
| 6980451 |
Method and apparatus for balancing active capacitor leakage current |
Dec. 27, 2005 |
| 6771520 |
Rectifier of a power supply |
Aug. 3, 2004 |
| 6738277 |
Method and apparatus for balancing active capacitor leakage current |
May. 18, 2004 |
| 6618276 |
Power supplies having protection circuits |
Sep. 9, 2003 |
| 6590792 |
Noise canceling circuit having a changeover device |
Jul. 8, 2003 |
| 6532160 |
Switching power supply |
Mar. 11, 2003 |
| 6462973 |
A.C./D.C. converter that automatically adapts to the amplitude of the supply voltage |
Oct. 8, 2002 |
| 6181588 |
Constant polarity input device including synchronous bridge rectifier |
Jan. 30, 2001 |
| 6138555 |
Food processing device and electric system for the processing device, and high voltage-weak pulse electric current impresser for food |
Oct. 31, 2000 |
| 6069811 |
DC power supply apparatus |
May. 30, 2000 |
| 6055167 |
Pulse width modulated boost converter integrated with power factor correction circuit |
Apr. 25, 2000 |
| 6055165 |
Method and apparatus for limiting current to high frequency alternating current to voltage regulator modules |
Apr. 25, 2000 |
| 6046917 |
Controlled rectifier bridge and system |
Apr. 4, 2000 |
| 5999424 |
Bi-directional energy diode converter using multipulse control |
Dec. 7, 1999 |
| 5978237 |
Power recovery system |
Nov. 2, 1999 |
| 5943224 |
Post regulator with energy recovery snubber and power supply employing the same |
Aug. 24, 1999 |
| 5936854 |
Direct-current power supply system and air conditioner |
Aug. 10, 1999 |
| 5923547 |
Snubber circuit for a power converter and method of operation thereof |
Jul. 13, 1999 |
| 5719757 |
Three-phase rectifier circuit having capacitors which are switched into the circuit dependent on the rectifier output voltage |
Feb. 17, 1998 |
| 5712779 |
DC electrical power supply system |
Jan. 27, 1998 |
| 5563758 |
Circuit to permit three phase input power supply to operate when one phase drops out and provide lightening protection |
Oct. 8, 1996 |
| 5519600 |
Three-phase self-balancing power supply |
May. 21, 1996 |
| 5414613 |
Soft switching active snubber for semiconductor circuit operated in discontinuous conduction mode |
May. 9, 1995 |
| 5287288 |
Active power line conditioner with low cost surge protection and fast overload recovery |
Feb. 15, 1994 |
| 5243230 |
Semiconductor switching apparatus |
Sep. 7, 1993 |
| 5225815 |
Monitor for a polyphase rectifier which detects open diodes by sensing a signal below a predetermined threshold |
Jul. 6, 1993 |
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