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
Transparent conductive structure
Terminal for flat test probe
Application authentication system and method
Profiling activity through video surveillance
Defected ground plane inductor
Starch networks as absorbent or superabsorbent materials and their preparation by extrusion
Control device of hybrid vehicle
  Randomly Featured Patents
Pressure tester
Lighted tent apparatus and system
Belt profile and profiled belt
Transreflection-type liquid crystal display device and method of fabricating the same
Device for applying liquids onto a base using an applicator element
Radially sealing vavle for an infusion set
Color image forming apparatus and color adjustment method
Method and apparatus for upgrading an optical fiber communication system
Power detector
Light emitting device having stacked multiple LEDS