| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 219483000 | Controlling or regulating plural separate distinct heating resistance elements(i.e., one control system for all elements) | 34 |
| 20080314893 | HEATING DEVICE WITH ADJUSTING ELECTRICAL CONTACT - An electrical heating device is disclosed that is suitable to vaporize air treatment chemicals from an impregnated substrate. The device is provided with a PCT heater held between electrical contacts and a spring that is compressed between the housing of the heating device and one of the electrical contacts to maintain pressure thereon in spite of thermal expansion of the housing, ensuring good electrical contact between the PCT heater and the electrical contacts. | 12-25-2008 |
| 20100006561 | Toaster Oven - A countertop toaster oven has an internal compartment heated by at least four heating elements and a door for the compartment. At least two of the heating elements are top elements, located adjacent to a ceiling of the compartment. Two of the heating elements are lower elements, located along a floor of the compartment. At least one of the elements is controllable to provide a variable wattage including one or more operational wattages that are for at least a portion of the heating cycle, intermediate between zero power and full power. | 01-14-2010 |
| 20100187218 | Method for heating at least one component of an SCR system using resistive heating elements - Method for heating at least one component of an SCR system using several resistive heating elements, according to which these heating elements are fed in parallel by a current source and according to which a current sensor is placed in series with the current source and all the resistors, which are connected in parallel. | 07-29-2010 |
| 20110062142 | LOAD SHEDDING FOR SURFACE HEATING UNITS ON ELECTROMECHANICALLY CONTROLLED COOKING APPLIANCES - According to one aspect, a system for reducing peak power usage of an electromechanically controlled cooking appliance is provided. The system includes at least one infinite switch, one or more heating units, at least one of which comprising at least two separately controllable resistive heating elements, a control operatively coupled to the one or more heating units, the control being configured to receive and process a utility state signal indicative of the current state of an associated utility, wherein the one or more heating units include at least one relay switch configured to selectively enable and disable energization of one of the elements in response to the utility state signal. | 03-17-2011 |
| 20110309066 | ENGINE INLET ICE PROTECTION SYSTEM HAVING EMBEDDED VARIABLE WATT DENSITY HEATERS - A system includes a first heater located at the leading edge of a gas turbine structural member, a second heater located aft of the first heater, and a third heater located aft of the second heater. The first, second and third heaters are electrically-powered to prevent icing of the gas turbine structural member. Each of the heaters has a Watt density, and the Watt densities of the heaters differ from one another as a function of a magnitude of a cooling coefficient for airflow passing the vicinity of each heater. | 12-22-2011 |
| 20130105464 | ELECTRIC HEATING APPARATUS | 05-02-2013 |
| 20130220991 | LOAD BALANCED TRACK SWITCH HEATING - An electrical load balanced heating system and method. The load balanced heating system and method is configured to facilitate smooth electrical operation as well as energy savings. The system is configured to group the heating elements based on load characteristics of the heating elements and turn the groups on and off sequentially in a matter that promote efficient and smooth operations. | 08-29-2013 |
| 20130240503 | ELECTRIC HEATER - An electric heater is provided that includes at least two groups of heating elements which change their temperature by electrical power consumption, comprising a control unit with two switch arrangements such that the first switch arrangement includes at least two power switches for switching the at least two groups of heating elements in a High-side connection and such that the second power switch arrangement includes at least two switches for switching the at least two groups of heating elements in a Low-side connection. | 09-19-2013 |
| 20130306620 | HEATING SYSTEM AND METHODS FOR CONTROLLING THE HEATERS OF A HEATING SYSTEM - A method for controlling a plurality of heaters of a heating system is disclosed. The method may generally include generating control commands for turning on the plurality of heaters during a time period, determining which electrical phase is powering each heater of the plurality of heaters and staggering execution of the control commands across the time period for two or more of the heaters powered by the same electrical phase. | 11-21-2013 |
| 20130341318 | HEATER CONTROL DEVICE, METHOD AND PROGRAM - A heater control device having at least two PTC heaters having PTC elements includes switching units which are provided so as to correspond to the PTC heaters and which switch an energized state and a non-energized state of the PTC elements by being turned ON and OFF, pattern information which defines state combination patterns of the energized state and the non-energized state of the PTC elements with respect to a required power value for the heater unit, and a ratio controlling unit which when the required power for the heater unit is at an intermediate value of the required power values defined in the pattern information, controls a ratio of the energized state to the non-energized state of the PTC elements based on a ratio of ON time to OFF time for which an average power within a certain period matches the required power. | 12-26-2013 |
| 20150034626 | HEATING MEDIUM HEATING APPARATUS AND VEHICLE AIR CONDITIONER PROVIDED WITH SAME - The disclosure provides a heating medium heating apparatus by which it is possible to directly detect a temperature of a semiconductor switching element such as an IGBT, and to perform high-reliability overheating protection control, while suppressing the number of installations of the temperature sensor, and provides a vehicle air conditioner provided with the heating medium heating apparatus. In the heating medium heating apparatus, at least two PTC heaters are provided, the energization of the PTC heaters is respectively ON/OFF-controlled by a plurality of circuits, each containing a semiconductor switching element ( | 02-05-2015 |
| 20150312963 | STREAMLINED HEATER ASSEMBLY WITH FRONT AND INTERMEDIATE DAISY CHAIN POWER INJECTION, SHIELDING, AND WATER RESISTANT FEATURES - Heater modules are configured for streamlined daisy chain connectivity that includes front end and intermediate daisy chain power injection, water resistant heater assemblies, and shielding. A power injection device is configured with connectivity for insertion of power into heater modules that are in front and intermediate daisy chain positions while enabling data communications between heater modules positioned on opposite sides of the power injection locations. | 10-29-2015 |
| 20160014846 | METHOD AND APPARATUS FOR SUPPLYING POWER TO A RADIANT HEATING ELEMENT | 01-14-2016 |
| 219484000 | Of diverse resistance characteristics or value | 1 |
| 20150028019 | WARM-UP APPARATUS FOR VEHICLE - A warm-up apparatus for a vehicle including a system which charges a battery by using an external power supply is provided. The warm-up apparatus includes a heater for warming up, a current detector, a voltage detector and a resistance changer. The heater is mounted in the vehicle and produces heat by receiving electric power from the external power supply. The current detector detects an allowable current value of the external power supply. The voltage detector detects an output voltage value of the external power supply. The resistance changer changes an electric resistance value of the heater based on the allowable current value detected by the current detector and the output voltage value detected by the voltage detector. | 01-29-2015 |
| 219485000 | With total current or power limiting means | 4 |
| 20080237217 | Heater interlock control for air conditioning system - An air conditioning apparatus, including an electric motor driven blower for circulating air through a cabinet, also includes one or more electric heating elements and a system controller operable to control energization of the heating elements and the blower motor at predetermined operating conditions by way of suitable relay or control elements. The system includes a heating interlock relay to prevent energization of the one or more heating elements if the blower motor is inoperable, operating at other than a predetermined range of speeds or the system controller detects a malfunctioning heating element control relay or the like. | 10-02-2008 |
| 20130334200 | HEATER CONTROL DEVICE, AND CONTROL METHOD AND CONTROL PROGRAM FOR HEATER CONTROL DEVICE - A heater control device includes a current calculating unit ( | 12-19-2013 |
| 20140353304 | APPARATUS AND METHOD FOR CONTROLLING HEATING ELEMENT OF ELECTRIC RANGE - Provided are an apparatus and method of controlling a heating element of an electric range. The apparatus for controlling a heating element of an electric range includes: a plurality of heating elements; an input unit to which an output adjustment value for each of the plurality of heating elements is input from a user; a calculation unit that calculates the sum of output power of each heating element corresponding to the output adjustment value input by the input unit; and a controller that compares the sum of output power calculated by the calculation unit with a predetermined power limit and linearly controls output of each heating element based on a result of comparison. | 12-04-2014 |
| 20150096974 | MODULAR DOMESTIC COOKING APPLIANCE WITH CUSTOMIZABLE COOKING BAYS/ MODULES - A domestic cooking appliance includes a plurality of bays adapted to receive a plurality of different types of modules; a module connected to a bay of the plurality of bays; and a controller, wherein the controller is adapted to determine the bay in which the module is connected and a type of the module of the plurality of different types of modules. A method of controlling a domestic cooking appliance includes connecting a module of a plurality of different types of modules to the domestic cooking appliance; determining a type of the module; determining a position where the module is connected out of a plurality of possible positions; and displaying the type and the location of the module on a display of the domestic cooking appliance. | 04-09-2015 |
| 219486000 | Selectively, sequentially or alternately | 16 |
| 20090039072 | SYSTEM FOR DETERMINING THE NOMINAL VOLTAGE OF A POWER SUPPLY - A system and method for controlling the output power of a heat source. The system includes a user interface so that a user may select the power required from the heat source, a power supply, and a controller that receives a rectified signal having a work ratio that corresponds to a nominal voltage of an alternating voltage signal corresponding to a phase of a power supply. The controller is configured to control the output power of the heat source in accordance with the power selected by the user, and modifies, if necessary, the work cycle of a power signal linked to the heat source in accordance with the work ratio in order to compensate possible differences in the nominal voltage between different power supplier. | 02-12-2009 |
| 20110290784 | HEATING SYSTEM HAVING AT LEAST ONE ELECTROTHERMAL HEATING LAYER, A STRUCTURAL COMPONENT HAVING SUCH A HEATING LAYER, A HEATING METHOD AND A METHOD FOR PRODUCING A SEMI-FINISHED COMPONENT OR A COMPONENT HAVING A HEATING DEVICE - A heating system including an energy supply device, wherein the heating system includes a base heating device having an insulation layer, with an electrothermal base heating layer arranged thereon and with an electrical connecting device by way of which the energy supply device is connected to the base heating layer. The heating system includes an additional heating device having an insulation layer, with an electrothermal additional heating layer arranged thereon and with an electrical connecting device by way of which the energy supply device is connected to the additional heating layer. The energy supply device is connected to the heating layers by way of the connecting devices and in the activation phase, current is supplied during at least a partial period of time to the additional heating layer so that the base heating layer generates heat permanently, while the additional heating layer generates heat in the partial period of time. | 12-01-2011 |
| 20120006807 | STAINING DEVICE HAVING AUTOMATIC MAINS VOLTAGE DETECTION AND VOLTAGE CHANGEOVER - A staining device for staining samples has a heating device including a first heating element and a second heating element. A switch arrangement allows the two heating elements to be connected in parallel or in series. A power connection supplies power to the heating elements. A sensor is designed and located to detect a current supplied to the heating elements. A switching unit is coupled to the sensor and determines a voltage causing the current. Depending on the voltage, the switching unit connects the heating elements in parallel or in series. | 01-12-2012 |
| 20120061378 | Food Steamer Containers with Sequential Ohmic Water Heating - A liquid heating system includes an electric current controller, a first container, and a second container. The first container includes a first liquid and a first electric heating system. The second container includes a second liquid and a second electric heating system. The electric current controller is connected to the first electric heating system and to the second electric heating system. The electric current controller is configured to automatically alternate between providing electric current to the first electric heating system and to the second electric heating system such that when the electric current controller is providing the current to the first electric heating system the electric current controller provides no electric current to the second electric heating system and when the electric current controller is providing the current to the second electric heating system the electric current controller provides no electric current to the first electric heating system. | 03-15-2012 |
| 20120074127 | HEATING APPARATUS WITH MULTIPLE ELEMENT ARRAY - A heating apparatus assembly and method are provided for heating a surface. The heating apparatus contains a substrate with a multiplicity of heating elements disposed upon at least one surface of the substrate where each element is individually controllable. | 03-29-2012 |
| 20120091120 | METHOD FOR PERFORMING AN AUTOMATIC COOKING PROCESS - The present invention relates to a method for performing an automatic cooking process in an oven, wherein the oven is in a preheated state with a first starting temperature (T | 04-19-2012 |
| 20140076882 | DUAL-CHANNEL DEICING SYSTEM FOR A ROTARY WING AIRCRAFT - A dual primary deicing system for a rotary-wing aircraft, according to an exemplary aspect of the present disclosure includes, among other things, an electrothermal heating element system; and a controller in communication with said electrothermal heating element, said controller communicating a heating cycle to said electrothermal heating element system, said heating cycle defining a first electric pulse train associated with a main rotor blade assembly. | 03-20-2014 |
| 20140097177 | HEATING CONTROL UNIT COMPRISING A SENSOR, ICE PROTECTION SYSTEM AND METHOD FOR CONTROLLING A HEATER - A heating control unit, including a controller housing is provided. The heating control unit includes a microcontroller arranged within the controller housing, with the microcontroller being configured to generate a control signal for a heater and to output the control signal via a control line to the heater. The heating control unit also includes a temperature sensor arranged within the controller housing and coupled to the microcontroller. An active sensor surface of the temperature sensor forms at least part of an outer surface of the controller housing. | 04-10-2014 |
| 20140238972 | THERMAL PROCESSING APPARATUS AND METHOD OF CONTROLLING THE SAME - A control unit can select a large-number control zone model in which the number of control zones, which are independently controlled, is large, and a small-number control zone model in which the number of control zones, which are independently controlled, is small. When a temperature is increased or decreased, the control unit can select the small-number control zone model so as to control, based on signals from temperature sensors of the respective control zones C1 . . . C5 whose number is small, heaters located on the respective control zones C1 . . . C5. When a temperature is stabilized, the control unit can select the large-number control zone model so as to control, based on signals signals from the temperature sensors of the respective control zones C1 . . . C10 whose number is large, the heaters located on the respective control zones C1 . . . C10. | 08-28-2014 |
| 20150108111 | ELECTRIC HEATER - An electric heater for an automobile vehicle, with an electronic controller and a heat transmitting net, whereby the heat transmitting net contains a multitude of PTC-heating elements, a multitude of contact sheets, a multitude of heat dissipating fins and a multitude of distance elements. At least one PTC-heating element and at least one distance element is arranged between two adjacent contact sheets, whereby the PTC-heating elements and the distance elements between the adjacent contact sheets and the adjacent contact sheets themselves form a heating element, whereby the heating elements are connected to the electronic controller through connectors, which are arranged at the electronic controller and are connected to a power supply, whereby the heat transmitting net is divided in a first area, which contains only distance elements, and a second area, which contains PTC-heating elements and/or distance elements. | 04-23-2015 |
| 20150108112 | ELECTRIC HEATER - An electric heater for an automobile vehicle, with an electronic controller and a heat transmitting net, whereby the heat transmitting net contains a multitude of PTC-heating elements, a multitude of contact sheets and heat dissipating fins, whereby the PTC-heating elements are respectively arranged between two adjacent contact sheets and form a heating element with the contact sheets whereby some of the contact sheets are connected to connectors, which are arranged at the electronic controller and are connected to either a positive pole of a power supply or a negative pole of a power supply and are arranged in an alternating order, whereby the quantity of connectors that are connected to a positive pole of a power supply and the quantity of connectors that are connected to a negative pole of a power supply differs by one. | 04-23-2015 |
| 20160029437 | GRIPPING APPARATUS - A gripping apparatus is disclosed for gripping and holding electrically conductive, textile materials. The gripping apparatus includes a gripping device which has a gripping face for gripping and holding the textile material. With the aid of an electrical contact device, electrodes can be brought into contact with the textile material in order to bring about a current flow in the textile material. | 01-28-2016 |
| 20160073788 | SENSOR STRIP FOR GATHERING HUMAN BIOLOGICAL SIGNALS AND CONTROLLING A BED DEVICE - Introduced are methods and systems for an adjustable bed device configured to: gather biological signals associated with multiple users, such as heart rate, breathing rate, or temperature; analyze the gathered human biological signals; and heat or cool a bed based on the analysis. | 03-17-2016 |
| 20160138830 | Electrical water heater with a dual resistive heating element and a control method for energy management - An electrical water heater adapted for energy management and a method of controlling the consumption of electrical power from the power supply grid of a utility is described. The bottom resistive heating element of the water heater is a dual element resistive heating element which has a high power rated resistive heating element to heat water and a further low power rated resistive heating element. The power rating of the low power resistive heating element is calculated to be lower than the supply grid diversified mean load. A controller has a communication link with a utility which manages the power supply grid. The utility can control the resistive heating elements of the dual element in such a way, and depending on conditions of the grid, to conserve energy and regulate its frequency thereby resulting in a cost saving to the consumer and the utility. The low power rated resistive heating element is also connectable to an alternative power source. | 05-19-2016 |
| 20160198526 | COOKING APPLIANCES HAVING IMPROVED HEATING ELEMENT OPERATION | 07-07-2016 |
| 219487000 | With indicator means | 1 |
| 20120074128 | HEAT MANAGEMENT SYSTEM - Embodiments disclosed herein relate generally to the field of outerwear, and more particularly to a heat management system configured to provide heat to one or more predetermined regions or zones, such as the upper or lower body, torso, chest, back, neck, arms, shoulders, wrists/cuffs, hands, fingers, feet, toes, and the like. In various embodiments, these heating zones may be controlled by an actuator switch and control electronics that may allow individual heating zones to be actuated alone or in combination, and in some embodiments, in a predetermined sequence. Some embodiments of the actuator switch may include color-coded lighting elements that may indicate the current temperature, zone activation, heating program, and the like. | 03-29-2012 |
