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Patent Searching and Data


Matches 901 - 950 out of 3,724

Document Document Title
WO2000042821A3
The temperature of the thick film heating element of a water boiling vessel can be sensed and the element protected against overheating by use of a bridge circuit formed integrally with the heating element and comprising first and second...  
WO/2000/062581A1
A floor protecting device includes a floor protecting cover in turn including a heating element and means for turning the heat on or off in dependence of the presence or absence, respectively, of a person on the floor protecting cover. A...  
WO/2000/057760A1
The invention relates to an electronically controlled liquid-heating domestic electrical appliance comprising a reservoir (2) for containing liquid (3) that is to be heated, a serigraphed heating element (4) provided with at least one re...  
WO/2000/055694A1
A ceramic heater (6) for use with a belt fuser to fix toner images. The heater has a heat-generating resistor (5) with its electrical terminals (8) on one face of a substrate (6) proximate the end of the substrate (6). A temperature dete...  
WO/2000/053975A2
A safety device for use in conjunction with an electric cooking stove includes a relay unit having a plug having two live pins and a neutral pin for insertion in a stove receptacle, a receptacle receiving a similar plug of a stove, a rel...  
WO/2000/049838A1
A multi-modal food preparation appliance is provided which includes a heating system (15) with multiple heating devices and fan; a microprocessor (6) linked to the heating system (15) which controls independently operation of the multipl...  
WO/2000/047822A1
An automatic heating system is for a screed assembly of a paving vehicle, the screed assembly including a screed plate (5). The heating system includes an electric heater connected with the screed assembly and having a heating element (1...  
WO/2000/042821A2
The temperature of the thick film heating element of a water boiling vessel can be sensed and the element protected against overheating by use of a bridge circuit formed integrally with the heating element and comprising first and second...  
WO/2000/036877A1
A CVD device (100) includes a process chamber (102), in the wall of which first to fourth cartridge heaters (146, 148, 150, 152) are buried. The heaters have resistance whose value increases with temperature. A heater controller (160) de...  
WO2000018985A3
The invention relates to a method for heating metal components using electron irradiation in a vacuum chamber. In order to uniformly heat the metal components in all areas thereof, the invention provides that multilayer holding elements ...  
WO/2000/027011A1
A device for controlling the electric supply to objects comprises at least one detector (2), an electric control arrangement (3) and a breaker arrangement (4) controlled thereof. The device comprises at least two sets (13, 14) of electri...  
WO/2000/019873A1
A beverage percolator has a thick film heating element with a spiral main heater track occupying only about a quarter of the area of the heating element at a central position thereof and a keep-warm heater track surrounding and spaced fr...  
WO/2000/018985A2
The invention relates to a method for heating metal components using electron irradiation in a vacuum chamber. In order to uniformly heat the metal components in all areas thereof, the invention provides that multilayer holding elements ...  
WO/2000/016592A1
The invention concerns a heating coil resistor (1) comprising an internal resistive wire coated with magnesia and eccentric so as to cause an angular deformation of the resistor (1) when the latter heats. Said resistor is used in a devic...  
WO/2000/013467A1
The invention relates to an electric heating device for heating a fluid, especially an air current, comprising a supporting device configured for accommodating a heating spiral. The inventive heating device comprises a plurality of suppo...  
WO/2000/011994A1
A retort pouch food heater (A) has a current-feeding circuit to which a thermostat (12) and a timer (13) are connected in series and to which current is fed in such a manner that current feeding is stopped when the thermostat (12) detect...  
WO/2000/010364A2
Thick film heating elements can cause problems if associated water heating vessels are used on a sloping surface so that if the vessel boils dry an elevated part of the heating element is first exposed to overheating and self-destructs. ...  
WO/2000/008538A1
A domestic appliance comprising at least one heating element (4) and one resistance monitoring device (8) that monitors the electric resistance value when the heating element is turned on.  
WO/2000/007410A2
A thick film heating element having a portion of its resistive track within a defined part of the surface area of the heating element formed of a material having a negative temperature coefficient of resistance (NTCR) and having the main...  
WO1999053252A3
A cooking oven (100) and method which compensates for variations in line voltage so as to achieve uniform cooking results that are independent of line voltage. The method includes providing an oven having a radiant energy source (42) mou...  
WO/1999/062302A1
The invention relates to an electric blanket comprising a flat resistance heating element whose resistance mass consists of an electroconductive polymer. The resistance heating element comprises three or more power supply lines which can...  
WO1999048333A3
An integrated heater and control assembly comprises an electric heater (200) having a resistive heating track (202) provided on an insulating substrate and a thermally sensitive control for the heater built onto the heater. In particular...  
WO/1999/053252A2
A cooking oven (100) and method which compensates for variations in line voltage so as to achieve uniform cooking results that are independent of line voltage. The method includes providing an oven having a radiant energy source (42) mou...  
WO/1999/048333A2
An integrated heater and control assembly comprises an electric heater (200) having a resistive heating track (202) provided on an insulating substrate and a thermally sensitive control for the heater built onto the heater. In particular...  
WO/1999/048331A1
A thermally sensitive, overheat protection control for a thick film electric heater comprises a bimetallic actuator (68) arranged for making good thermal contact with the heater, and a movable electrical contact (78) for engagement with ...  
WO/1999/046654A1
The invention relates to a method for heating a vehicle seat, comprising a heating element (2) arranged in connection to the vehicle seat and connected to a control unit (1) which comprises current feeding means (7; 16), and a temperatur...  
WO/1999/038426A1
The invention concerns a thermostat for an electrical household appliance comprising a heating body (1) with a plate (2) in thermal connection with heating elements, said thermostat further comprising an electromagnetic relay for switchi...  
WO/1999/038357A1
A device and method for generating heat employs a heating element which is resiliently compressible or in which the electrical resistance can otherwise be varied, for a given electric current, to vary the level of heat generated. In a sp...  
WO/1999/038360A1
The invention relates to a cooking top with a vitroceramic cooking surface having several burners and control elements as well as display elements assigned thereto which each have a luminous element arranged below the vitroceramic cookin...  
WO/1999/031752A1
A battery controller system for a metal and solid electrolyte battery, such as a lithium-polymer battery has temperature sensors arranged to detect a temperature of cells in the battery, heating elements arranged to heat the cells, a hea...  
WO/1999/027828A1
A liquid heating vessel, such as a kettle, enables user selection of the temperature to which the liquid is to be heated. A thermal sensor is provided which is responsive to the temperature of the heating element. During the heating cycl...  
WO/1999/029140A1
A heating element for a liquid heating vessel, comprises a metal substrate, an insulating layer provided over the substrate, and an electrically conductive heating track provided over the insulating layer. The heating track comprises a p...  
WO/1999/027756A1
The invention relates to a window heater, especially for a motor vehicle, comprising a resistance heating device placed on the window or integrated therein. Said heating device can be connected to a voltage source via terminal contacts a...  
WO/1999/027306A1
A control means for opening/closing the contacts of a relay at the zero point of a commercial power source and a pulse signal switching means for generating a short pulse signal adapted to allow the relay to remedy the fusion lock of the...  
WO1999012390A3
The invention relates to a circuit arrangement for operating a lamp comprising: circuit input terminals for connection to a supply voltage source, an inverter coupled to said circuit input terminals for generating an AC voltage with a fr...  
WO1999011978A3
The diagnostic system of the present invention monitors and accumulates thermal signatures or characteristics during at least one operational mode of a cooking appliance (105). These thermal signatures or characteristics are collected th...  
WO1999012389A3
The invention relates to a circuit arrangement for operating a lamp comprising: circuit input terminals for connection to a supply voltage source; an inverter coupled to said circuit input terminals for generating an AC voltage with a fr...  
WO/1999/024887A1
A circuit is disclosed for heating a component (10) which has to be maintained by a resistance heating element (12) at a predetermined operating temperature. A temperature control is provided for the resistance heating element (12). An e...  
WO/1999/024886A1
A method and apparatus are provided for controlling parallel heater elements (101, 102), the method including the steps of: providing a plurality of electrical heater elements; generating a plurality of temperature signals associated wit...  
WO/1999/018757A1
A molded polymer composite heater is shown. The use of transfer molding and compression molding allows for the use of thermoset polymers containing very high levels of reinforcement fillers. These improved materials in turn create a heat...  
WO1999003385A3
In an RC oscillator having a controllable oscillation frequency a signal source (6) supplies a step signal to a series arrangement of a capacitor (2) and resistor (4), the oscillation frequency in operation being dependent upon the time ...  
WO/1999/015057A1
An integrated control device, for use in an electric kettle or jug having a planar heating element in the form of a substrate having a resistance heating track printed on one side thereof, comprises a carrier member (1) having compartmen...  
WO/1999/011978A2
The diagnostic system of the present invention monitors and accumulates thermal signatures or characteristics during at least one operational mode of a cooking appliance (105). These thermal signatures or characteristics are collected th...  
WO/1999/012390A2
The invention relates to a circuit arrangement for operating a lamp comprising: circuit input terminals for connection to a supply voltage source, an inverter coupled to said circuit input terminals for generating an AC voltage with a fr...  
WO/1999/012393A1
A pill-type thermistor (33) is used to monitor the temperature of liquid heating apparatus. One metallised surface of the thermistor (33) is in direct thermal and electrical contact with a mounting location (35) on a heater (31) of the a...  
WO/1999/012389A2
The invention relates to a circuit arrangement for operating a lamp comprising: circuit input terminals for connection to a supply voltage source; an inverter coupled to said circuit input terminals for generating an AC voltage with a fr...  
WO/1999/009789A1
A water heater having a water tank and a electric resistance heating element (125) extending into the water tank for heating water in the tank. The water heater includes a proportional band temperature controller (100) for conducting ele...  
WO/1999/007185A1
The invention relates to an electric heater for a motor vehicle, in which the heat generated by power semiconductors is used as heat source. The heat emitted by the power semiconductors is used directly for heating. The power semiconduct...  
WO/1999/003385A2
In an RC oscillator having a controllable oscillation frequency a signal source (6) supplies a step signal to a series arrangement of a capacitor (2) and resistor (4), the oscillation frequency in operation being dependent upon the time ...  
WO/1998/058210A1
A cooking device wherein information on the cooking of an object to be heated, etc. is inputted to a terminal computer from a host computer and a control means provided in the terminal computer for controlling cooking based on the inputt...  

Matches 901 - 950 out of 3,724