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
Double patterning method using tilt-angle deposition
Electric discharge machining hole drilling
Haworthia plant named `CAPETOWN`
Perfume bottle
Dynamic association and disassociation of threads to device functions based on requestor identification
Compositions and methods using microspheres and non-ionic contrast agents
Method and system for Bluetooth low power link layer connection setup
  Randomly Featured Patents
Mineral separation by particle settling characteristics
Charging member and device
Foot sizing method
Message player with pendant heart
Magnetic flux sensor for laminated cores
Automobile tire
Movement controlled luminaire and luminaire arrangement
Method for packaging cells in culture in a low-pressure environment, and corresponding device
Mower deck
Interface device to modify the natural pressure distribution of a ski on the snow