106 results about "Cartridge heater" patented technology

A hand held dispenser system with associated dispensed material supply assembly as in separate source chemical foam precursor feeding into, for example, streamlined chemical passageways preferably each comprised of, in series, a castellated swivel hose filter, a valve assembly housing, a wing extensions of a manifold, which manifold supports a high efficiency drive system and is supported by a handle that provides for a compact assembly and receives a rugged trigger assembly. The manifold design provides for elongated filter and, temperature controlled cartridge heater insertion. There is further provided in a preferred embodiment a readily releasable electric source feed line plug connection at the butt end of the dispenser. The dispenser is well suited for the dispensing of methane foam as in a product packaging setting.

A machine and method for making bags is described and includes a web traveling from an input section to a rotary drum, to an output section. The rotary drum includes at least one seal bar, having a first sealing zone, and an adjacent weakening zone. The weakening zone may be a heated perforator, includes a heating wire, or be disposed to create an auxiliary sealed area. The heating wire can have, connected thereto, a source of power that is at an adjustable voltage or magnitude, and/or pulsed, and/or a feedback loop. The heating wire may be an NiCr wire and make intermittent contact with the web and be disposed in an insert. The weakening zone may create a line of weakness that is uniform or varies in intensity, is a separating zone, or includes a heat film, a toothed blade, a row of pins, a source of air, or a source of vacuum. The sealing zones may include temperature zones, cartridge heaters, cooling air, or heated air, or a source of ultrasonic, microwave or radiative energy.

A side sealing apparatus for a shrink packaging machine comprising closed loop temperature control of a heater for maintaining an optimum temperature for cutting and sealing two layers of thermoplastic film. The heater comprises a cable or cartridge heater with an internal thermocouple, and it is connected to an automatic temperature controller. The heater is mounted on the side sealer apparatus between two sets of top and bottom V-belts mounted around drive rolls and idler rolls. The V-belts provide nip pressure against the film in order to drive the film. In one embodiment, nip pressure is generated by nip rollers on the scrap side of the film, and by low friction belt support guides on the package side of the film. In another embodiment, the belt support guides are replaced with a series of upper and lower nip rollers, and adjustable toggle clamps provide adjustable pressure on the series of upper and lower nip rollers.

A novel heat exchanger includes a thermal reservoir and a tube, the tube having straight sections and corrugated bends, and being in thermal contact with the thermal reservoir. The thermal reservoir has a first plate and a second plate fixed to the first plate. The first plate has a channel formed therein with straight sections to receive the straight sections of the tube, and curved sections for receiving the corrugated sections of the tube. The second plate has a channel formed therein as well that is complementary to the channel of the first plate. The heat exchanger is heated by one or more cartridge heaters. In a particular embodiment, two thermal reservoirs are fixed to one another and the cartridge heaters are disposed in channels formed therebetween. Optionally the thermal reservoirs can be heated or cooled by thermoelectric chips, and can include one or more heat sinks.

Flow sensors 41 and 42 for detecting a flow load including the presence of a flow of gas are provided in supply lines 2a through 2d for supplying a given gas into a treatment chamber 6. A CPU 40 is provided for previously storing control parameters corresponding to the presence of a flow of gas. The presence of a flow of gas or a flow of IPA is detected by the flow sensors 41, 42 or an IPA supply pump 43, and detected signals are transmitted to the CPU 40. On the basis of a control signal outputted from the CPU 40, a cartridge heater 14, inner and outer tube heaters 25 and 26 and an insulation heater 52 are controlled. Thus, a control parameter adopted in accordance with the presence of a flow of gas to be used is determined, so that the control parameter previously stored in a data table 100 is selected in accordance with a control mode to control the temperature or pressure of the gas.

The invention relates to a cartridge heater for a gas chromatography transfer device for substances which are to be analyzed, having a metal tube for accommodating a tube section to be heated and a heating coil arranged outside the metal tube, the metal tube bearing, on the outside, a groove which corresponds to the shape of the heating coil and in which a heating conductor is embedded in an electrically insulated manner with respect to the metal tube.

A machine and method for making bags is described and includes a web traveling from an input section to a rotary drum, to an output section. The rotary drum includes at least one seal bar, having a single sealing zone, and a weakening zone disposed within the single sealing zone. The single sealing zone may be a heated perforator, includes a heating wire. The heating wire may be an NiCr wire stitched into the heater, and be disposed on a cap or on the seal bar. The weakening zone may create a line of weakness that is uniform or varies in intensity. The sealing zone may include temperature zones, cartridge heaters, cooling air, or heated air, or a source of ultrasonic, microwave or radiative energy.

A cartridge type heater is provided with at least one hot wire coil (13), which has two coreless coil strands (11, 12), which extend in an insulating material (50) along the two sides of a carrier wall (14). The heater includes an insulating material that is coordinated with the internal diameter of a metal jacket (2). The hot wire ends (9, 10) are provided with terminals projecting from the same end of the metal jacket (2). The hot wire coils (11, 12) are electrically connected to one another in the area of an end edge of the carrier wall (14). This edge is located in the closed end area of the metal jacket (2) and the coils are guided by spacers (45) distributed at the longitudinal edges of the carrier wall (14). At least the terminal-side end of the dimensionally stable carrier wall (14) is provided with an attached coil holder (15, 15/1), to which the hot wire ends (9, 10) are fastened under tensile stress. This keeps the windings of the hot wire coil (13) spaced apart from each other. At least one filling opening (42) is provided for the granulated insulating material (50).

The present invention provides a positive temperature coefficient (PTC) heating device with a cathode oxygen depletion (COD) function for a fuel cell vehicle, which can improve durability of a fuel cell stack by reacting residual oxygen with hydrogen to be consumed as heat and improve cold startability by rapidly heating a coolant even at a temperature below the freezing point, the PTC heating device including a housing having an inlet and an outlet, formed on both ends there of, and a PTC heater fixed in the inside of the housing and including an electrode to which electric power is applied from the outside, a PTC heating element disposed on the electrode, and an insulating tape for insulating the PTC heater from a coolant flowing in the housing. Accordingly, it is possible to improve electrical safety and heat transfer performance and effectively prevent bubbles from forming, compared with a conventional cartridge heater.

Moreover, the present invention provides the PTC heating device which includes at least one radiating plate including a plurality of radiating fins having concave and convex. Furthermore, the PTC heating element included in the PTC heater is inserted between two electrodes and the insulating tape is arranged on the surfaces of both sides of the electrodes. As a result, it is possible to improve heat transfer efficiency.

In addition, the present invention provides the PTC heating device, in which a PWM control system is provided on the outside of the housing to control a heating current, thus facilitating the control of the surface temperature.

An evaporative emissions control system for reducing the amount of fuel vapor emitted from a vehicle includes a canister containing a sorbent material and a cartridge heater disposed at least partially within the canister in direct contact with the sorbent material. Electrical terminals for applying power to a heating element within the heater are disposed external to the canister. At least one heat sink may be included within the canister in direct contact with the heater. A method of manufacturing an evaporative emission control system that includes a cartridge heater disposed in a canister is also presented.

A cartridge heater for mounting in the bore hole of a device to heat the device, having an improved release coating to facilitate the removal of the cartridge heater from the bore hole subsequent to operation at elevated temperatures, wherein the release coating is a fast-drying, graphite-based solid film lubricant that bonds to the heater.

A hot forming tool is heated with multiple electrical resistance cartridge heaters. The heaters are located in the body of the tool so as to maintain the entire forming surface within a predetermined temperature range. Numerical thermal and optimization analyses direct the placement of the heaters so that when each heating element is simultaneously powered on for an identical fraction of the time, an acceptable temperature distribution will be produced within the tool at the tool operating temperature.

A portable detection device includes a surface sampling probe connected to a mass spectrometer, preferably mounted on a portable cart, and a transfer line for transporting samples from the probe to the mass spectrometer. The surface sampling probe is formed from a circular block or disk of metal such as copper and is provided with various holes in which cartridge heaters are located. The disk is preferably electroplated with nickel and then gold to allow for efficient heat transfer to the surface to be sampled. With this arrangement, in addition to other advantages, the presence of very low volatile or non-volatile materials may be determined.

The invention provides a device used for plasma cooperative electric cartridge heater screen catalytic treatment of VOCs. The device comprises a reaction chamber provided with an exhaust gas inlet andan exhaust gas outlet, and a catalytic module, a heating module, and a plasma generation module which are arranged in the reaction chamber; the catalytic module comprises a catalytic chamber, and a catalyst; at least a part of side walls of the catalytic chamber are prepared from double layer filter screens, and the catalytic chamber is provided with an opening connected with the exhaust gas inlet; the catalyst is stored in the double layer filter screens; the heating module comprises a heating element arranged in the catalytic chamber, a temperature control unit, and an electricity supply unit; the plasma generation module comprises a discharge electrode arranged around the periphery of the catalytic chamber, and a high-voltage pulse power supply; the discharge electrode is loaded with the high-voltage pulse power supply to generate high energy electrons and ion plasma in the reaction chamber. The invention also provides a method used for plasma cooperative electric cartridge heaterscreen catalytic treatment of VOCs. The device and the method are capable of achieving high removing efficiency; no secondary pollution is caused; and treatment cost is low.

A nozzle adapter for an injection molding machine includes a body and one or more retainers mountable to an outer surface of the body. When the body and a retainer are assembled together they cooperate to define a cavity adapted to contain a cartridge heater between the body and the retainer. Access to allow replacement of the cartridge heater can be gained by removing the retainer from the body without removing the entire nozzle adapter from the injection molding machine.

A cartridge heater is accommodated in a heater bore in a shaft connected to a valve element, and a heating portion provided at an end portion of the cartridge heater is located at a joint portion of the shaft and the valve element. At the joint portion, a heat receiving groove and a pressurizing portion communicating with the heater bore are provided at a position between a surface of the valve element and that of the shaft located so as to oppose and to contact each other. The heat receiving groove includes an arcuate groove portion of the same radius as that of the heating portion of the cartridge heater, and the heating portion is pressed by the pressurizing portion to enter into plane-to-plane contact with an inner circumferential surface of the arcuate groove portion of the heat receiving groove, upon fastening the valve element and the shaft to each other with a bolt, with the heating portion located between the heat receiving groove and the pressurizing portion.

The invention discloses a silicon crystal growing device with two-way airflow, which comprises a furnace body; an inner cavity of the furnace body is provided with a cartridge heater inside; two electrodes at the bottom of the heater are respectively embedded into the bottom of the furnace body; the inside of the inner cavity of the heater is provided with a graphite crucible which is supported and fixed by a connecting rod passing through the bottom of the furnace body; an upper opening of the furnace body is provided with a guide cylinder capable of extending into an inner cavity of the graphite crucible; the side wall on the top of the furnace body is provided with a vent, and the bottom of the furnace body is provided with an argon inlet; the vent is communicated with the argon inlet through a gap between the inner wall of the heater and the outer wall of the graphite crucible; a gas cylinder is sleeved outside the furnace body; the side wall at the bottom of the gas cylinder is provided with an outlet; and the outlet is communicated with the vent through a gap between the gas cylinder and the furnace body. The silicon crystal growing device adopts the two-way airflow, the corrosion of harmful gases in the thermal field to graphite pieces can be reduced, and the contact area and contact time of oxygen and graphite are decreased, so that carbon oxides and the harmful gases on the surface of silicon liquid are quickly taken way from a thermal system under the driving of the flow direction of lower gases, and the carbon content in the crystal is effectively controlled.

An edge sealer for shrink wrap machines including a closed loop temperature controller for heaters to maintain the optimum temperature for cutting and sealing two layers of thermoplastic film. The heater consists of a cable or cartridge heater with an internal thermocouple connected to an automatic temperature controller. The heater is mounted to the edge seal between the top and bottom two sets of V-belts mounted around the drive and idler rolls. The V-belt exerts clamping pressure on the film so as to drive the film. In one embodiment, said clamping pressure is generated by means of a nip roll on the film slit side and by means of a low friction belt support guide plate on the film packaging side. In another embodiment, the belt support guide plate is replaced by a series of upper and lower nip rolls, and adjustable hinged clamps provide adjustable pressure on said series of upper and lower nip rolls.

A cartridge heater may include an elongated core assembly inside an elongated metal sheath having first and second ends and wherein the elongated metal sheath is made from at least one of aluminum alloy and copper alloy. The elongated core assembly includes a resistance heating element mounted to an elongated insulating core with electric leads extending outside the elongated metal sheath. The core assembly substantially fills the elongated metal sheath with a very thin space between an inside surface of the elongated metal sheath and an outside surface of the core assembly

The invention discloses a system and a device which produce methane by heating with electrical cartridge heater and solar energy. The invention solves the present problem that the structure which produces methane with a plurality of energy is complicate, the operation fees are expensive and the large scale application is difficult. The water outlet of solar collector and the first end of the second magnetic valve are connected with the water outlet of incubator, the water outlet of the solar energy collector is connected with the first end of the first magnetic valve, the second ends of the first magnetic valve and the second magnetic valve are connected with the water outlet of the circulating water pump, the water inlet of the circulating water pump and the water outlet of the incubator are connected with methane tank, the electrical cartridge heater is arranged in the incubator, two temperature sensors are arranged on the pipe of the solar collector and incubator, the control input end of the circulating water pump and two magnetic valves are connected with the control output end of the temperature controller, and the signal output ends of two sensors are connected with the signal output end of the temperature controller.