Class / Patent application number | Description | Number of patent applications / Date published |
219507000 | With current connection and/or disconnection means (e.g., switch) | 26 |
20100059503 | Pulse Electrothermal Deicing Of Complex Shapes - A pulse electrothermal deicing apparatus comprises at least one complex shape characterized by a thickness profile configured to generate uniform power per unit area to melt an interfacial layer of ice. A method of optimizing thicknesses of complex shapes for a pulse electrothermal deicing system includes assigning initial estimates of the pulse electrothermal deicing system parameters. A temperature distribution, a temperature range and a refreezing time produced by a deicing pulse are modeled. Shape thicknesses are adjusted according to the temperature range, deicing pulse parameters are adjusted according to the deicing pulse, and the modeling and adjusting is repeated until the temperature range and the refreezing time are within predetermined limits. | 03-11-2010 |
20100264128 | APPARATUS AND METHOD OF SMOKING FOODSTUFFS - An apparatus is provided for smoking foodstuffs, the apparatus including a plurality of heating elements and a control unit to control operation of the heating elements between an on state and an off state. In use, a material to be burned is associated with each of the plurality of heating elements and the control unit controls the operation of the heating elements such that the heating elements are switched between the off state and the on state. | 10-21-2010 |
20110155718 | SHAPED HEATER FOR AN AEROSOL GENERATING SYSTEM - A heater for heating an aerosol-forming substrate includes a plurality of elongate heating elements arranged in an elongate array. The elongate array has a support end with a first dimension, a heating end with a second dimension and a middle portion with a third dimension. The array is arranged to heat the substrate to form an aerosol. The third dimension is greater than the first dimension and greater than the second dimension. An electrically heated aerosol generating system can include the heater. | 06-30-2011 |
20120043310 | ROLL-OUT THERMAL ENVELOPE ROOF DE-ICING SYSTEM - A flexible roll-out thermal system, including: a layer of insulating material forming a first outer surface; a layer of conductive material forming a second outer surface; at least one electric heating cable disposed between the first and second outer surfaces; and, an electrical connection element for connecting the at least one electric heating cable to a power source. A method of forming a flexible roll-out thermal system, including: disposing at least one electric heating cable between a layer of insulating material forming a first outer surface and a layer of conductive material forming a second outer surface; and connecting an electrical connection element to one end of the at least one electric heating cable, the electrical connection element for connecting the at least one electric heating cable to a power source. | 02-23-2012 |
20130062335 | Flameless Lighter - A flameless lighter provides a user with a heat source that is similar to typical lighter. The flameless light comprises an enclosure, a slidable switch, a light assembly, a portable power supply, and a switch retraction mechanism. The enclosure is the primary structural component of the flameless lighter. The light assembly is used to produce the necessary heat to ignite items such as cigarettes and candle wicks. The slidable switch is used to activate and deactivate the light assembly and is used to protrude and retract a light bulb into and out of the enclosure. The portable power supply is used electrically power the light assembly and can be recharged through a universal serial bus charging port. The switch retraction mechanism defaults the slidable switch to the “OFF” position so that the flameless light is not left in the “ON” position. This improves the overall safety of the flameless light. | 03-14-2013 |
20130098894 | METHOD AND APPARATUS TO CONTROL ELECTRIC POWER OF COIL WHICH PERFORMS INDUCTION HEATING IN IMAGING APPARATUS - Provided is a method of controlling electric power of a coil which performs induction heating in an imaging apparatus. The method includes: detecting an input current of the coil; detecting a resonant current of the coil; calculating a difference between the detected resonant current and the detected input current; and controlling electric power supplied to the coil based on the difference. These operations are repeatedly performed whenever the detected input current is changed. | 04-25-2013 |
20130119047 | Heating Circuit with Monitoring Arrangement for a Household Appliance - A washing and/or drying appliance includes a heating circuit ( | 05-16-2013 |
20130186883 | HEAT MEDIUM HEATING DEVICE - A heat medium heating device | 07-25-2013 |
20160050717 | INFRARED EMITTER - An infrared emitter is provided, including a battery; a carrier having a groove formed in a center thereof and a plurality of holes formed through the carrier via the groove; a resistive fuse penetrating the holes and wound around the carrier, and having two ends electrically connected to negative and positive electrodes of the battery, respectively; and an infrared chip disposed in the groove of the carrier and being in direct contact with the resistive fuse, wherein heat is generated when a current of the battery flows through the resistive fuse so that the carrier and the infrared chip can be heated to enable the infrared chip to emit infrared rays. Accordingly, the infrared emitter has the advantages of small-size, light-weight and simple structure and great portability to significantly increase the convenience in use, especially in the application of narrow bandwidth infrared radiation relevant researches on biological cells. | 02-18-2016 |
219508000 | Plural means intermittently or selectively operated | 3 |
20120160823 | HEATING APPARATUS - Several embodiments of an electric heater are disclosed, each of which includes a master or a satellite heating unit and a slave or a base heating unit. The base or slave unit selectably derives heating power and heating control either from the master or satellite unit through a disconnectable electrical cord or derives heating power and heating control independently there-from. The master or satellite and slave or base units are adapted for tool-free mechanical attachment and separation. A communicating arrangement distinguishes between the attachment and the separation and alters the heating power and control according thereto by causing transfer of at least some of the heating control of the slave or base unit from the slave or base unit to the master or satellite unit during the attachment. | 06-28-2012 |
20130098895 | THERMAL ARRAY SYSTEM - A thermal array system is provided. The thermal array system having each thermal element connected between a first power node and a second power node of the plurality of power nodes and each thermal element being connected in electrical series with an addressable switch configured to activate and deactivate the thermal element. | 04-25-2013 |
20130105465 | SYSTEM AND METHOD FOR CONTROLLING A THERMAL ARRAY | 05-02-2013 |
219509000 | Automatically operated | 14 |
20100102050 | PROXIMITY SENSOR - A proximity switch flow sensor detects movement of a faucet handle of a faucet of a hot water container in order to detect flow from the hot water container. The proximity switch flow sensor includes an emitter paired with a detector, which can be mounted in association with the faucet handle to detect open and closed positions of the faucet handle, to provide electronic logic information regarding the status of the faucet handle position, as an indication of a flow condition, to a control unit that controls heating of water in the hot water container. An electro-mechanical switch and a mechanism to transfer movement of the faucet handle to the switch may also be used to detect open and closed positions of the faucet handle as an indication of a flow condition. | 04-29-2010 |
20110174801 | SYSTEMS AND METHODS FOR SOURCING A HEATER - Systems and methods source a heating resistor to control temperature. For example, a sensor block assembly (SBA) heater controls the temperature of a MEMS device in a sensor block assembly. An exemplary embodiment generates a root mean square (RMS) pulse width modulation (PWM) control signal based upon an input voltage from a power source, controls a switch in accordance with the RMS PWM control signal; and sources a heater resistor from the power source in accordance with the controlling of the switch. Power to the heating resistor is controlled by the switch to provide a substantially constant value of power to the heating resistor for varying values of the input voltage. | 07-21-2011 |
20130026156 | Heating Unit for Warming Propane Tanks - A heating unit for use in heating a propane tank is disclosed. The heating unit includes a first pliable cover layer, and a second pliable cover layer pliable electrical heating element disposed therebetween. The pliable electrical heating element includes a heat generating element for converting electrical energy to heat energy and a heat spreading element. The heat spreading element comprises carbon that is thermally coupled to the heat generating element for distributing the heat energy. A thermal insulation layer is positioned to a second side of the pliable electrical heating element and adjacent the first cover layer. Additionally, a receiving power connector is electrically connected to the heat generating element and is configured to couple to an electrical power source. The heating unit is sized to substantially cover the sides and one or both ends of a propane tank. | 01-31-2013 |
20130126517 | Monitoring Faults in the Heating Circuit of an Appliance - A household appliance has a heating circuit ( | 05-23-2013 |
20130270256 | INSTANTANEOUS WATER HEATER - There is provided an instantaneous water heater capable of expelling heated water or steam when internal pressure reaches or exceeds a predetermined pressure, thus preventing an accident, product damage, or the like. The instantaneous water heater includes a main body having an inlet allowing water to be introduced therethrough and an outlet allowing water to be discharged therethrough; a heating unit disposed in the main body and heating water introduced to the main body; and a decompression unit connected to a decompression hole disposed in the main body and expelling heated water or steam to the outside thereof when internal pressure within the main body reaches or exceeds a predetermined pressure. | 10-17-2013 |
20130334203 | ENHANCED SAFETY FOR ELECTRICAL APPLIANCES SUCH AS TOASTERS - Enhanced safety for electrical appliance, such as toaster, toaster ovens or rotisseries, is provided by a circuit arrangement which removes power from all or a portion of the appliance upon detection of potentially dangerous conditions as well as activating a visual or audible alarm. The circuit arrangement includes sensors and circuitry for detecting various types of dangerous or hazardous conditions. | 12-19-2013 |
20140251979 | METHOD OF OPERATING A HEATER IN A DISHWASHER - The invention relates to a method of operating an electric heater having a resistive heating element selectively coupled to an AC power supply by a first pair of contacts of a first relay having opened and closed state conditions and by a second pair of contacts of a second relay having opened and closed state conditions and a switch coupled in parallel to the second pair of contacts. The method includes changing a state condition of one of the first and second relays while maintaining the state condition of the other of the first and second relays; upon the changing of the state condition, shunting the output of the second relay contacts coupled with the resistive heating element to the switch; and changing the state condition of the other of the first and second relays after completion of debounce for the one of the first and second relays. | 09-11-2014 |
20160014847 | SELF-ASSEMBLY ELECTRIC MAT | 01-14-2016 |
219510000 | Thermally responsive | 5 |
20120160824 | TEMPERATURE CONTROL SYSTEM - A temperature control system includes a temperature control circuit having a plurality of predetermined temperature values, a switch control circuit and a heating control circuit. The temperature control circuit outputs control signals according to the plurality of predetermined temperature values. The switch control circuit turns on according to the control signals and outputs the DC voltage to the heating control circuit which begins to get hot. The temperature control circuit detects a temperature of the heating control circuit from time to time and turns off the switch control circuit when the temperature of the heating control circuit is equal to a selected predetermined temperature. | 06-28-2012 |
20130048626 | HOME APPLIANCE INCLUDING STEAM GENERATOR AND CONTROLLING METHOD OF THE SAME - Embodiments may relate to a home appliance, more specifically, to a washing apparatus having a steam generator and a controlling method of the same and embodiments may relate to a home appliance including a steam generator. according to one embodiment of the present invention, a home appliance includes a steam generator configured to generate steam to supply the generated steam to an object accommodation part where an object is accommodated, wherein the steam generator includes a housing configured to accommodate water supplied thereto; a heater configured to heat the water accommodated in the housing by heating the housing to generate steam; and a control unit configured to cut off or apply an electric power of the heater based on the temperature of the housing. | 02-28-2013 |
20130248511 | TEMPERATURE DETECTION AND CONTROL SYSTEM FOR LAYERED HEATERS - A system for detecting and controlling temperature of a layered heater is provided that includes a layered heater having in one form a substrate, a first dielectric layer disposed on the substrate, a sensor layer disposed on the first dielectric layer, a second dielectric layer disposed on the sensor layer, a resistive heating layer disposed on the second dielectric layer, and a third dielectric layer disposed on the resistive heating layer. An overtemperature detection circuit is provided in one form that is operatively connected to the resistive heating layer. The circuit includes a resistor, the sensor layer, and an electromechanical relay in parallel with the sensor layer. The sensor layer defines a material having a relatively high TCR and the resistive heating layer defines a material having a relatively low TCR such that a response time of the control system is relatively fast. | 09-26-2013 |
20150122798 | Heating Device - A heating device includes a heater ( | 05-07-2015 |
219511000 | With auxiliary heating means for thermal switch means | 1 |
20150108115 | SEAT HEATER - A seat heater includes a seat-warming heater which is connected to a power source and warms a person sitting on a seat, an over-temperature-preventing part which disconnects the connection between the seat-warming heater and the power source when the over-temperature-preventing part is heated to a predetermined temperature so as to prevent over-temperature of the seat-warming heater, and a heater which heats the over-temperature-preventing part, wherein the over-temperature-preventing part is non-return type, and the heater for the over-temperature-preventing part is arranged to cover opposite portions of the over-temperature-preventing part, thereby realizing both higher output and improved safety. | 04-23-2015 |
219518000 | Responsive to weight, position, or presence of body to be heated | 1 |
20140091078 | Receptacle type electric conducting device - A receptacle type electric conducting device wherein many inconveniences and the danger of electric shock can be eliminated by installation of a pressure switch, protected under a narrow slot on the base seat of the electric heater pot. The pressure switch changes the constantly charged condition of pot base seat to one that only allows electric current when the electric heater pot is securely on the base seat, whereby avoiding electric shock from touching a charged empty base seat. The present invention devises the pressure switch under the protection of a narrow slit which only allows the pot base pressure ring to pass through when the electric heater pot is precisely sitting on top. The narrow slot not only safeguards the pressure switch's constantly off condition it also protect the pressure switch from water splashes or insertion of foreign objects. | 04-03-2014 |