Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Gradient induction heating of a workpiece










Image Number 2 for United States Patent #7582851.

An apparatus and process are provided for gradient induction heating or melting of a workpiece with a plurality of induction coils, each of the plurality of induction coils is connected to a power supply that may have a tuning capacitor connected across the input of an inverter. The plurality of induction coils are sequentially disposed around the workpiece. The inverter has a pulse width modulated ac power output that may be in synchronous control with the pulse width modulated ac power outputs of the other power supplies via a control line between the controllers of all power supplies.








 
 
  Recently Added Patents
Data storage apparatus, memory control apparatus and method for controlling flash memories
Randomly accessible visual information recording medium and recording method, and reproducing device and reproducing method
Remote device pairing setup
Cathode material for lithium ion secondary battery and lithium ion secondary battery using it
Glove
Passive millimeter wave differential interference contrast polarimetry
Electronic apparatus and manufacturing method of electronic apparatus
  Randomly Featured Patents
Preparation of carbamates
Dynamic memory based firing cell for thermal ink jet printhead
Enhanced arrangement for supplying continuous power to a circuit board
Flexible surfboard
Golf training device
Electric dry shaver
Towed vehicle deployment apparatus having guide to reduce line pull-off angle
Method of manufacture of hypodermic syringe
Packet data network voice call quality monitoring
Endoscopic instrumentation kit and package therefor