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7473868 |
Fail safe HVAC temperature and medium presence sensor
A system and method is presented for a fail-safe sensor for an HVAC system. The sensor comprises a temperature detector operable to measure a temperature of a component or a medium present at the...
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7469840 |
Controller for a fuel fired water heating application
A controller is provided for controlling the operation of a gas-fired water heating appliance. In one embodiment of the present invention, a controller is provided that comprises a switching means...
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7454308 |
System for detection of waterlogging in steam heating coils
A system is disclosed for detecting the occurrence and extent of waterlogging in steam heating coils which consists of a series of two or more sensors disposed to measure temperature at strategic...
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7449662 |
Air heating apparatus
An embodiment of an air heating apparatus includes a mass to store heat energy and a heater to provide the heat energy to the mass.
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7442902 |
Adaptive temperature controller
The adaptive temperature controller includes an ambient temperature sensor, a device for measuring resistance, an electrically-conductive material, a power supply, and a device for controlling...
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7435929 |
Methods for monitoring or controlling the ratio of hydrogen to water vapor in metal heat treating atmospheres
Methods for monitoring a heat treating atmosphere supply a preselected gas atmosphere at a preselected temperature to a heat treating furnace. The preselected temperature is not greater than a...
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7423243 |
Heating system and method
A fluid heating system includes a fluid receptacle having a fluid reservoir, and a heating control system configured to heat fluid retained within the fluid reservoir. The heating control system...
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7423240 |
Pulse width modulated defroster
A window defroster system that includes a heater grid and a controller. The controller includes a pulse width modulator configured to provide a driving signal to the heater grid. The driving signal...
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7418957 |
Vehicle control method and vehicle control apparatus
A vehicle control apparatus and methodology relate to an exhaust gas sensor and sensor heater associated with an exhaust passage of a vehicle engine. The exhaust gas sensor is selectively heated to...
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7417209 |
Recording disk drive with reduced noise thermal flyheight control
A system and method for preventing crosstalk noise from being superimposed on a read signal due to noise from a heater line for a slider in a recording disk drive is disclosed. A heater line pair...
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7417208 |
Power supply device
The power supply device comprises first wiring that connects an alternator that is driven by the engine and a constant voltage electrical load that is driven at 12V, a heat accumulator that...
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7411163 |
Device for providing a melt
The invention relates to a device ( 1 ) for providing a melt, in particular a plastic melt. Said device ( 1 ) comprises a feed unit ( 2 ) for material components, at least one purification unit ( 4...
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7411162 |
Hot wire control apparatus and method
Control system and apparatus for controlling current input to an electrical resistance element such as a seal wire. The system and apparatus of the present invention is a closed loop feedback...
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7408134 |
Programmable switch
A sensor circuit provides a signal to a microcontroller to indicate parameters of an environmental condition to which the sensor circuit is exposed, such as temperature. The sensor circuit and...
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7408133 |
Method of thermally coupling a flow tube or like component to a thermal sensor and sensor systems formed thereby
A method of thermally coupling a flow tube or like component to a thermal sensor comprises bonding the component to the thermal sensor such that thermally conductive portions formed on the...
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7408132 |
Temperature sensor for power supply
A temperature sensor, such as a thermistor, senses the temperature inside a power source connector, or other portion, of a power supply. This sensed temperature may then be used to determine if the...
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7404880 |
Sensor element
A layered sensor element used in a gas measuring sensor for measuring a physical property of a measuring gas, preferably for determining the temperature of the measuring gas or the concentration of...
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7404670 |
Analytical furnace with predictive temperature control
An analytical furnace includes a predictive temperature control which is trained to model crucible temperature during analysis by employing a pair of temperature sensors, with one sensor being...
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7402780 |
Thermostat for a heat pump or conventional heating system
A thermostat is provided comprising a first connector for connecting to an air conditioner, a second connector for connecting to either a conventional heater or a heat pump reversing valve, and a...
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7390992 |
Heat blanket
The heat blanket ( 10 ) comprises an operative unit ( 20 ) and a control/power supply unit ( 40 ) which can be electrically connected on one side to the power mains and on the other side to the...
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7385161 |
Method of estimating the temperature of an oxygen sensor heating element
The resistance of an oxygen sensor heating element is estimated by modeling the effects of physical and electrical heating on the resistance of the heating element lead-in conductors, and...
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7372005 |
Water storage device having a powered anode
A water heater having a powered electrode and a method of controlling the water heater. The water heater includes a tank to hold water, a heating element, an electrode, and a control circuit. The...
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7372002 |
Fluid heating device and cleaning device using the same
A washing water inlet for receiving washing water is provided on an upper surface at one end of a case main body in a fluid heating device, and a washing water outlet for feeding heated washing...
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7358464 |
Method for temperature measurement in a household appliance
A method for temperature measurement in a household appliance includes generating a high-frequency electromagnetic excitation wave of a predefined transmit frequency. The transmit frequency is...
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7358463 |
Switching power supply and method for stopping supply of electricity when electricity of switching power supply exceeds rated electricity
A switching power supply includes a sensor for detecting that the output level of the switching power supply has exceeded a rated output level, and a memory that stores data for estimating...
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7351937 |
Control circuits for hot melt adhesive heater circuits and applicator heads
An electronic control circuit, for use in connection a hot melt adhesive dispensing system having a relatively large applicator head, has a plurality of heater circuits and a plurality of...
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7345260 |
Heater and method of manufacturing the same
A heater including a plate-shaped substrate having a heating surface for heating an object and a heater element provided in the substrate or on its surface. A central axis C 2 of a circumscribed...
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7345259 |
Circuit arrangement and method for preventing overheating of a cooking appliance
The invention relates to a method and a circuit arrangement for preventing overheating of a cooking appliance. The arrangement includes a power circuit with a heating element and a control circuit...
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7342329 |
Power supply for electrical domestic appliances and domestic appliances for co-action with such a power supply
The invention relates to a power supply for electrical domestic appliances, comprising: at least one connection to the mains electricity supply, and at least one connector for releasable electrical...
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7340626 |
Image forming apparatus
An image forming apparatus includes a main power supply section, an auxiliary power supply section, a plurality of sensors, and a power control section. The sensors are disposed at a plurality of...
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7339141 |
System and method for monitoring heat seal devices
An apparatus for monitoring the operation of a heating element moving periodically along a predefined path includes first and second sensors positioned adjacent the path of the heating element. The...
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7337019 |
Integration of fault detection with run-to-run control
Semiconductor wafers are processed in conjunction with a manufacturing execution system using a run-to-run controller and a fault detection system. A recipe is received from the manufacturing...
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7332692 |
Redundant control circuit for hot melt adhesive assembly heater circuits and temperature sensors
A redundant control circuit comprises a pair of heater circuits for heating a hot melt adhesive hose assembly to a predetermined temperature level, and a pair of temperature sensors which are used...
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7329841 |
Method for operating an oven, and an associated device
Method and control device for operating an oven. The control device comprises an operating panel which is substantially flat and sealed. One or more touch-sensitive regions of the panel define...
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7329840 |
Heater lamp control apparatus and method to detect an inputted AC voltage and providing a pulse signal to correspond thereto
A heater lamp control apparatus and method of detecting an input AC voltage and providing a pulse signal corresponding thereto, includes an AC voltage phase detection unit to detect a phase of the...
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7326888 |
Cooking apparatus, cooking system and cooking control method using the same
Disclosed herein is a cooking apparatus and cooking system which allows a user to change cooking information that is suitable to the preferences of the user and the amount of food when cooking food...
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7319208 |
Controller and glow plug for controlling energization modes
There is provided a control device for a glow plug, capable of controlling the energization of a resistance heater of the glow plug by a resistance control process while attaining good resistance...
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7307246 |
System and method of detecting temperature of a cooking utensil over a radiant cooktop
A system for detecting temperature of a cooking utensil over a radiant cooktop includes a cooktop having an upper surface and a lower surface and a radiant heating element adapted to heat the...
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7304275 |
Cooking apparatus, cooking system, and cooking control method utilizing bar code
A cooking apparatus, cooking system, and cooking control method using a bar code, in which automatic cooking of food is performed when the bar code attached to a package of the food is lost or...
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7304273 |
Heating device and fixing device
A CPU detects a temperature of a central part of a heating roller. If the detected temperature does not exceed 180° C., the CPU drives a central coil or a side-end coil for 0.4 second in...
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7304272 |
Systems and methods for adjusting parameters of a temperature sensor for settling time reduction
A system for adjusting parameters of a temperature sensor for settling time reduction is disclosed. The system includes an input for receiving a signal for triggering an adjustment of one or more...
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7301129 |
Control circuit for semiconductor device having overheating protection function
A control circuit includes a drive circuit which applies a drive voltage to a semiconductor device having an overheating protection function according to an externally supplied signal; and a...
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7297907 |
Means and method of maintaining a constant temperature in the magnetic assembly of a magnetic resonance device
The present invention discloses a novel active insulation device and method for thermally shielding an external body from temperature fluctuations of a contained body. The method comprising...
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7291814 |
Grip heater control apparatus
A grip heater control apparatus ( 7 ) capable of increasing the opportunities to enable a heater ( 2 ) to warm a grip ( 1 ) while suppressing a voltage drop of a battery ( 10 ), the grip heater...
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7291813 |
Controller for electric article for human body
A controller for an electric article includes a voltage-stabilizing circuit for supplying voltage stable DC power, a microprocessor, a temperature-detecting circuit, a protecting circuit, a control...
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7289745 |
Image forming apparatus with power supply system
An image forming apparatus of the present invention may comprises a power supply system which supplies powers to an image forming unit, a fixing unit, and a general control unit in such a manner...
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7282676 |
Integrating preconcentrator heat controller
A method and apparatus for controlling the electric resistance heating of a metallic chemical preconcentrator screen, for example, used in portable trace explosives detectors. The length of the...
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7278587 |
Thermal treatment apparatus and thermal treatment method
A thermal treatment apparatus and method of thermal treatment are provided wherein the apparatus includes a treatment chamber used to thermally treat an object material held therein, fluid passages...
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7274007 |
Control system for operating automotive vehicle components
There is disclosed a control system for operating automotive vehicle components. The control system typically includes at least a control module programmed with instructions for controlling a...
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7268325 |
Method of making flexible sheet heater
A method of making a flexible sheet heater includes the steps of (i) bonding an electrically conductive fabric and an support member formed of a PET film and a layer of acrylic together, ii)...
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