According to another aspect of the invention, a testing device for operational components of a heater, such as the circulating pump, burner nozzle preheating device, ignition spark coil, solenoid valve, burner motor, vehicle blower and the like, especially of a vehicle heater with a control devic...
The simplest form of thermal chuck incorporates a heater element that heats the surface of the thermal plate supporting the wafer. Heaters can take several forms, such as plate heaters, coil heaters, mica heaters, thin film heaters, or heater rods incorporated into the chuck or cast into the ...