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7511249 |
Adjustment of temperature in a hot roller
Provided is a printing device comprising a hot roller having an inside surface and an outside surface. A heating element is present within the hot roller. The inside surface has a first region,...
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7504605 |
Heating apparatus
The heating apparatus of a surface-heating type, includes a rotary member, an opposing member that forms a nip with respect to the rotary member, and a heating member for heating a portion of a...
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7491911 |
MEMS bubble generator for large stable vapor bubbles
A MEMS vapour bubble generator that uses a heater in thermal contact with a liquid to generate a bubble. The heater is energized by an electrical pulse that is shaped to have a relatively low...
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7446281 |
Heating device
A fusing device ( 23 ) has heat reflectors ( 238 ) and ( 239 ) positioned in consideration of the fact that convective heat loss from respective outer surfaces of the heat reflectors ( 238 ) and (...
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7427727 |
Fixing apparatus and an image formation apparatus
A fixing apparatus and an image formation apparatus are disclosed. The fixing apparatus includes two or more heaters with temperature detecting function that generate heat with electric current and...
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7294810 |
Heater, fixing device and image forming apparatus
A heater includes: a hollow tube sealed hermetically and reduced in pressure, the interior of the hollow tube being divided by at least one partition wall into a plurality of regions arranged side...
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7193180 |
Resistive heater comprising first and second resistive traces, a fuser subassembly including such a resistive heater and a universal heating apparatus including first and second resistive traces
A resistive heater adapted for heating a fuser belt is provided. The heater comprises a substrate, a first resistive trace formed over the substrate, and a second resistive trace formed so as to at...
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6744014 |
Apparatus for controlling temperature of moveable electrically heated objects/drums
A temperature controlled apparatus comprising: an object having a surface and being rotatable about an axis; an electrical heater assembly thermally coupled to the surface of the object; a...
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6594455 |
Electrical connection between an external power supply and a heater for a fusing roller hermetically sealed within the fusing roller used in an electrophotographic image formation apparatus
A fusing roller having an electrical connection between the heater and the external power supply of an electrophotographic image formation apparatus is provided. The fusing roller having an...
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6486448 |
Method for heating of a roll and a heatable roll
A heated roll and a method for heating of a roll, in particular of a press roll or calender roll in a paper or board machine. The roll has a hollow, tubular roll mantle. The roll is heated with...
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6248978 |
Heater comprising temperature sensing element positioned on electrode
A heater includes a substrate having a high heat conductivity; a resistive layer on the substrate, for generating heat up on electric power supply; an output electrode on the substrate; and a...
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6051819 |
Method and device for temperature control of hot tap-water
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6007971 |
Apparatus, system, and method for processing photothermographic elements
An apparatus, system, and method for processing photothermographic elements. The apparatus thermally develops a photothermographic element by heating the photothermographic element between a heated...
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5821499 |
Heated roller assembly
A heated roller assembly (10) is disclosed having a rotatable roller (12). The roller (12) has a generally cylindrical section (20) with an outer diameter D and includes an inner insulative layer...
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5737664 |
Overheating prevention device for a fixing unit
When the surface temperature of a heating roller exceeds a predetermined temperature, bearings that rotatably support the heating roller melt. Thus, a pressuring roller causes the heating roller to...
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5726425 |
Tubular Heating element with elastic electrode
A heating element having an electrically heatable layer comprises a support tube (16) provided with an electrically resistive heating layer (14), and electrodes for applying a voltage to the...
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5693243 |
Method and apparatus for heat treatment of an element by treatment devices engaging the element on both sides
In the apparatus (10) and the method according to the invention, two temperature treatment devices (e.g., laminating rollers 14, 16) which are to be contacted with an element to be subjected to...
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5677719 |
Multiple print head ink jet printer
An ink jet printer has multiple print heads for ejecting ink in response to signals supplied in sequence to cause ejection of ink in forming an image. The ink is ejected upon an ink transfer...
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5666593 |
Resistance Temperature Detector (RTD) sensor for a heat and pressure fuser
A temperature sensor for use in connection with a heat and pressure roll fuser which minimizes the problem of gloss variation due to fuser roll wear caused by sensor contact with the fuser roll...
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5624593 |
Yarn advancing heated godet having temperature controlling sensors
Described is a godet (2) for guiding and advancing endless filament yarns, which comprises one or several heating zones along its casing (3), the heat that is applied by the heating elements (7-10)...
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5532807 |
Heating roller having electrodes for supplying power to a heating element
In a heating roller, electrode members come in contact with power supplying members for supplying power to a heating element. The electrode members are resiliently fitted to the heating element....
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5475200 |
Field replaceable thermistor wear tape
A wear resistant member is loosely disposed about a thermistor in contact with a thermistor bead such that it is between the bead and a heated fuser member and completely surrounds the components...
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5402211 |
Heated fixing roller with selectively heatable portions
A fixing roller device which is capable of dividing the heating area into a plurality of separately heatable different parts both in the circumferential direction of the heater roller, as well as...
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5245160 |
Heat pipe roller with temperature sensor
A heat pipe roller includes a rotatable outer tube having a primary internal chamber for containing a fluid, a heater operable to heat the fluid and hence the tube, and a sensor. The sensor has a...
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5191381 |
PTC ceramic heat roller for fixing toner image
A heating device, which can be used in the fixing unit of an image forming apparatus, such as an electrophotographic copying or printing machine, for fixing a toner image on a sheet of image...
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5164570 |
Image recording apparatus
An image recording apparatus comprising a heat roll for fusing an toner image transferred onto a sheet by heating; a switching device for starting conduction of a heater installed within the heat...
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5159166 |
Drawroll unit
The drawroll unit has a heatable galette in which the shaft of the gallette is mounted in bearings which, in turn, are mounted via vibration damping devices in a stationary housing. The vibration...
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5101087 |
High-temperature rollers utilizing fluidized bed
A mill roll having a pair of ceramic, hollow rollers with the chambers defined in each filled with a plurality of particles with spaces defined therebetween including means to enter fuel therein to...
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5074019 |
Roll with induction heating arrangement
In a roll with a roll shell or jacket which is rotatable about a support or beam, the inner side of the rotatable roll shell or jacket is heated by means of an induction coil which is operated at...
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5019693 |
Temperature control method and apparatus for fusing roller
The surface temperature of a fusing roller is controlled by sensing both the surface temperature and the temperature of a source of heat for said roller. Each temperature is compared to a nominal...
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4891495 |
Temperature control device for heat-roll fusing apparatus
A temperature control device adapted to increase the roll surface temperature to the fusing temperature after initiation of power supply. When the roll surface temperature is to be increased from a...
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4883941 |
Filament wound foil fusing system
An instant-on fuser having a cylindrical, relatively thin fiber wound cylinder supporting a resistance wire, heating foil, or printed circuit secured on the outside surface of the cylinder or...
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4745430 |
Malfunction detecting device in use for the fixing device of an image-forming apparatus
A temperature control device uses a thermo-sensitive element to detect the temperature of an imaging system heated fixer device member. A comparator compares the potential generated by the...
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4736090 |
Electric heating circuit
A temperature sensitive control circuit for an electrically heated rotatable drum (11) including an internally disposed electric heater (27) and an electric temperature sensor (28) and, outside of...
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4714819 |
Directly heating fixing apparatus having current collecting bearings
A directly heating type fixing apparatus for use in an image forming device such as an electronic copying machine, has a heating roll which includes an heat generating electric resistance layer and...
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4693179 |
Temperature controlled rotary screen printing apparatus
A rotary screen printing apparatus for delivering coating fluid from the inside of a print cylinder through patterned openings onto an adjacent advancing substrate, having a print cylinder support...
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4684784 |
Fuser temperature control
Apparatus is disclosed for feeding a support web between a pair of fusing rollers, at least one of which is heated. Heat conductive skive means is supported in contact with the heated roller for...
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4675487 |
Apparatus and method for electromagnetic heating of a roll
Apparatus and method for electromagnetic heating of a roll by induction, in which a variable magnetic flux is directed into an outer surface of the roll from a magnetic shoe device comprising a...
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4672177 |
Environmental sensor control of a heated fuser
The quality of toner fusing in an electrophotographic or xerographic copier or printer is improved by modifying the reference voltage employed, in conjunction with the fuser hot roll temperature...
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4560860 |
Heatable roll
A heatable roll has a plurality of annular, preferably electrical, heating elements (13) distributed internally along the length of the roll body (10,11). A slip-ring arrangement (22) rotating with...
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4556779 |
Temperature control arrangement for heat roller
A temperature control arrangement for a heat roller, which includes an infrared sensor unit disposed in the vicinity of the heat roller and including a pyroelectric infrared sensor, a chopper...
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4512649 |
Fuser apparatus
Apparatus for fusing a toner image to a support by means of heat and pressure. The fuser apparatus includes a heated fuser member which contacts toner image carrying supports moved along a path. A...
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4471210 |
Fuser heat control circuit
A temperature-sensitive element on a rotatable drum of a copying machine changes a characteristic in response to a temperature on said drum. The characteristic is employed to control a temperature...
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4468069 |
Contactor for impressing electrical potential from a shaft to a roller mounted thereon
A stationary shaft (17) is electrically connected to a roller (18) by a contactor (31) having a first section in the form of a wire loop (32) seated in a groove (32) and a second pointed section...
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4425494 |
Heat roller fixing unit
In electrostatic recording apparatus of the type in which a toner image is applied to a transfer medium such as paper, the transferred image is fixed as by passing the paper between a heated roller...
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4425489 |
Electromagnetic heating system for calender rolls or the like
A calender roll whose shell consists of ferromagnetic material is heated by several groups of electromagnets which are mounted within the shell on a stationary carrier and whose pole shoes are...
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4395109 |
Fixing device for electronic duplicator machine
An electronic duplicator machine heats a toner attached to a copying paper and a fixing device fixes the toner to the paper. The fixing device includes a heat generating roller which includes a...
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4350861 |
Apparatus for heating strip elements in a continuous pass process by electromagnetic induction
Apparatus for heating thin items in a continuous pass by induction includes an inductor driven in rotation inside a drum made of refractory material. The strip of material to be heated is driven by...
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4309591 |
Heating and fixing device for toner image
A fixing device in which a toner image support member is pressure-held between and conveyed by a pair of rollers at least one of which is heated to a temperature at which the toner image may be...
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4297562 |
Heat roller type fixing apparatus
A heat roller type fixing apparatus having a heat roller accommodating a heating element and adapted for fixing a toner image to a copying paper, a temperature sensing element for sensing the...
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