Patents in subclass Electric Heating/Automatic
Parent class: Electric Heating
| Number | Patent title | Issue Date |
|---|---|---|
| 07335856 | Apparatus and method of detecting igniter type The invention includes an apparatus and method of determining the type of igniter for a burner at each stage of a boiler. The apparatus includes a controller operable to detect whether a first type of igniter or a second type of igniter... |
02/26/2008 |
| 07195722 | Compositions for ceramic igniters Ceramic igniter compositions are provided that contain components of conductive material and insulating material, where the insulating material component includes a relatively high concentration of metal oxide. Ceramic igniters of the... |
03/27/2007 |
| 07148454 | Systems for regulating voltage to an electrical resistance igniter Systems and methods for energizing an electrical resistance igniter include determining the line voltage into the system and controlling the voltage being applied to the electrical resistance igniters so a first voltage is applied... |
12/12/2006 |
| 07060936 | Heating system for a vehicle A heating system for a vehicle includes a heater (12) with a first electric heating device (24), which can be operated to ignite an air/fuel mixture present in a combustion chamber (16), and with a second electric heating device (22) for... |
06/13/2006 |
| 06803544 | Ignitor distinguishing control system and method therefor A system and method for universal control of an ignitor within a gas appliance is disclosed. The system includes an ignitor distinguishing circuit in communication with the ignitor and having a signal representative of the ignitor current... |
10/12/2004 |
| 06803550 | Inductive cleaning system for removing condensates from electronic smoking systems Inductive heating elements are provided with a specific configuration that results in a thermal wave that moves along a smoking device during a cleaning process, and control circuitry that maintains resonant conditions for maximum... |
10/12/2004 |
| 06794613 | Lighter assembly The present invention provides a lighter assembly for use in a receptacle. A rigid elongate body is frictionally retained in the receptacle and an engaging arm projects into an axial passage way. An item to be lit engages the engaging... |
09/21/2004 |
| 06777653 | Igniter controller An igniter controller for controlling an igniter, such as a silicon nitride hot surface igniter, provides high frequency switching of full wave rectified alternating current across the igniter using a switching transistor in combination... |
08/17/2004 |
| 06521869 | System for powering an igniter to a level proven to ignite gas A microprocessor-controlled triac switching circuit for an igniter, having line voltage and igniter current input signals to a microprocessor for determining power to the igniter. Upon determining the line voltage, the microprocessor... |
02/18/2003 |
| 06444953 | Automatic restricted access cigarette lighter An automatic cigarette lighter comprises a thermal resistance element mounted in a sealed case and powered by a switch activated power supply. Operation of the thermal resistance element is controlled by a timer to heat for a... |
09/03/2002 |
| 6051814 | Cigar lighter with PTC thermal protection An electric cigar lighter includes a receptacle for receiving and energizing an igniting unit of an automatic electric cigar lighter, the receptacle having a pair of circuits having respectively a grounding contact and a polarizing... |
04/18/2000 |
| 5998763 | Electrical accessory for vehicles and the like An electrical power-operated accessory for automobiles and other vehicles, comprises an automatic electrical cigar lighter or power outlet device consisting of a holder structure which includes a socket having electrical contacts, and... |
12/07/1999 |
| 5902501 | Lighter actuation system The present invention provides a cigarette identifier system comprising a coil at a location along the cigarette-receiving receptacle of the lighter, an oscillation circuit in communication with the coil and a controller configured to... |
05/11/1999 |
| 5804796 | Ignition system with resistance value difference fire extinction detection circuit In an ignition system for sensing a change in a resistance value during a combustion of a heating resistive element and detecting a fire extinction, a resistance value of the heating resistive element is sensed by a resistance value... |
09/08/1998 |