Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Polyphase frequency converter










Image Number 3 for United States Patent #3999112.

The interphase reactors of an unrestricted static frequency changer are mounted on a common multilegged magnetic core without affecting the individual quality of each reactor in the operation of the frequency changer.








 
 
  Recently Added Patents
Light emitting device and electronic device
Lid for a container
Display apparatus having a semi-penetration layer and a sealing unit
Battery power management system and method
Transaction finance processing system and approach
Isoselective polymerization of epoxides
Fuel cell stack including ejector and blower for anode recirculation and method for controlling the same
  Randomly Featured Patents
Data processing system self-test enabling technique
Semiconductor device having a radiation resistance and method for manufacturing same
Protecting device against interfering electromagnetic radiation comprising EMI-gaskets
Method and apparatus for notification of data transfer
Method for avoiding oxide undercut during pre-silicide clean for thin spacer FETs
Arbor
Hot-melt ink
AC-driving plasma display panel of surface-discharge type
Solar energy converter and elongated Fresnel lens element
Electromechanical generator for, and method of, converting mechanical vibrational energy into electrical energy