5825results about "Electric heating system" patented technology

This invention discloses a carbon crystal material and a method for preparing plates with the crystals, in which, the carbon crystal material is prepared by taking carbon fibers as the raw material to be grinded and modified, the plate is a panel heater prepared by mixing carbon crystal material with paper pulp and adding viscosity aid to be heated and pressed and is harmonic with concrete, which can be used as a heat collecting product.

An aircraft floor heating panel is constructed for mechanical strength and to meet special heating requirements next to a door in an aircraft. The panel has a lightweight core. Each surface of the core is first covered with at least one carbon-fiber reinforced composite layer for protection against deterioration. Each carbon fiber layer in turn is covered by a glass fiber reinforced composite layer for mechanical strength. A foil heater is arranged inside the composite panel coextensive with at least a portion of the panel area. A heat distributing metal plate covers the panel as an upper step-on surface. A heat insulating layer is bonded to the panel opposite the heat distributing metal plate. A triple heat control is provided for an increased safety against fire hazards.

A radiant floor heating system and method of installation is provided, the system of the present invention being disposed within a solidified cement or under board. A panel member having a laminated reflective material which serves as a thermal break is placed upon the hardened cement or under board. The panel member may be comprised of any substance to which the reflective material may be secured such as a honeycombed plastic panel to which the reflective material layer is laminated. A heating element is disposed on the reflective material. Thereafter, both the heating element and the reflective layer are coated with a layer of thin set or cement. The heating element may include a heated wire element which is unwound off a roll, or the heating element may be meshed within a web of material which is cut to match the dimensions of the floor and then disposed on top of the reflective layer. After the thin set or cement dries with the heating element embedded within, marble or other types of tiles may be laid as flooring.

Disclosed is a warm window system that utilizes individual buss bars that are placed within the space between an inside window pane and an outside window pane and creates sufficient physical force to create an electrical contact on the tin oxide layer on the inside surface of the inside pane of glass. An insulating nonconductive layer can also be used in conjunction with the buss bars. That include metal strips, braided wires, spring loaded indentations, etc. The buss bars have a modulus of elasticity to ensure sufficient electrical contact with the tin oxide layer. The buss bars can be used with either hard coat or soft coat tin oxide coatings on tempered glass or annealed glass. Electrical connections and wires are hidden from the viewing area of the warm window system to enhance the aesthetic value of the warm window system. Retrofit systems allow use of the warm window system in conjunction with an existing installed window system.

The invention relates to a conductive heating material. The material comprises a substrate and a conductive heating layer evenly adhered to the substrate, wherein the conductive heating layer is made from a conductive heating coating material; the conductive heating coating material comprises a conductive heating base material and a bonding agent; the conductive heating base material is selected from natural graphite, artificial graphite and conductive carbon black; the bonding agent is selected from acrylic resin, epoxy resin, polyurethane resin, glutin, carboxymethyl cellulose, polyvinyl alcohol, and the like; and the substrate can adopt paper in a plurality of practical implementation modes. The conductive heating material can be used to make the conductive heating floor; the surface temperature of the floor can reach 15 to 70 DEG C within 5 minutes after the floor is energized with 220V voltage; moreover, the floor can maintain stable temperature for a long time. Therefore, the conductive heating floor can be used to replace the prior ground heating system and has low cost, reliable operation, energy saving, environmental protection and convenient maintenance and replacement.

A flame retardant panel apparatus, and method, utilize a flame retardant panel, having an exterior and an interior face thereof, with the panel including a panel structure having a primary core encapsulated within a panel frame of reinforced phenolic material, and a layer of flame retardant material attached to the panel structure and extending outwardly therefrom to at least partially define an exterior face of the flame retardant panel. The flame retardant panel is suitable for use in mass transit conveyances, such as subway cars, high speed cars, rail cars, buses, rapid response vehicles, marine vessels, and elevators.

A CHP optimal dispatching model is a mixed integer programming model and is used for a district heating system (DHS) comprising a heat source, a heating network and a heat load, and the heating network comprises a heat transmission network and a heat distribution network. A plurality of heating areas is divided, and one day is divided into a plurality of time periods; the heat transmission loss of the heat distribution network is omitted, and a heat transmission network model taking transmission time delay of the heating network into consideration is established according to the heat transmission network; a terminal heat consumer model capable of reflecting indoor temperature is established; and a combined optimal dispatching model comprising conventional generators, wind power units, CHP units, electric boilers and heat storage tanks is established.

A portable livestock incubating device is provided formed of a rectangular container having and incubating volume forming an incubating chamber defined by the zone within the incubating volume. Each each end wall further includes an access door hingedly attached to an upper portion above a clean out door for providing ingress and egress of livestock. Each access door has an exhaust vent located at an upper portion whereby heated air, generated via an electric heater within said the incubating chamber exhausts therethrough. A base with wheels mounted thereon for facilitating transportation of the portable livestock incubating device.

A floor heating system includes a flooring substrate having a heating or cooling element in heat transfer relationship therewith. A heat spreader is in heat transfer relationship with the flooring substrate. The heat spreader includes a layer of flexible graphite material. A floor covering overlies the layer of flexible graphite material. Temperature variations across an exposed surface of the floor covering are reduced by the presence of the flexible graphite heat spreader, thus providing an improved and more uniform heating to the floor and to the room with which the floor is associated.

Disclosed herein is a back-grooved laminate wood flooring in which a wood veneer of high pressure resin impregnation laminate (WPL) is laminated on a base selected from a vinyl chloride (PVC) resin layer, on oriented strand board (OSB), a high-density fiberboard (HDF) and a waterproof plywood. More specifically, the back-grooved laminate wood flooring comprises a WPL (20), an adhesive layer (40) and a base (10) (a polyvinyl chloride resin layer, OSB, HDF or waterproof plywood) wherein the WPL (20) includes a base-reinforcing layer (24), a natural veneer layer (23), a resin-impregnated overlay layer (22) and a surface UV coating layer (21) layered in this order from the bottom. The back-grooved laminate wood flooring further exhibits excellent soundproofing performance.

A portable pouch for use in heating temperature sensitive materials is disclosed. The pouch includes a heating unit with one or more fasteners attached around its outer edges. The heating unit can be folded to allow the one or more fasteners to secure opposing outer edges of the heating unit together to form a pocket for substantially enclosing the materials to be warmed. The heating unit can be electrically connected to a direct current power source. The heating unit includes first and second cover layers enclosing a heat generating element and a carbon-based heat spreading element. A thermal insulation layer is also positioned between the first and the second cover layers. The heating element is adapted to generate and evenly spread heat over the interior surface of the pocket to evenly heat the materials disposed within the pocket.

In a method for installing tiles on a substrate, tiles, having a first surface and a second, machinable surface, are arranged in installed locations on the substrate with the second, machinable surface facing away from the substrate. The machinable surfaces are then machined to reduce tile-to-tile irregularities and adjust for the variations in the subfloor, and the tiles are turned over so that the first surfaces face away from the substrate. A decorative flooring unit is also provided having a tile with a shim layer on its underside, an edge member surrounding the tile and a substrate extending beneath the edge member and the tile. The tile is installed within the edge member with the shim layer facing away from the substrate. The tile may be reversed after sanding the edge member and shim layer.

A foot mounted work accessory used in the installation of a flooring underlayer and associated electrical heating wire includes a substantially rigid base member including an upper surface and a lower surface with sidewalls extending between the upper surface and the lower surface. The base member further includes a first end having a forward edge extending between the upper and lower surfaces and a second end having a rear edge extending between the upper and lower surfaces, first and second lateral edges extend between the upper surface and the lower surface along the left and right sides of the base member. An alignment channel is formed at a forward tip of the foot mounted work accessory. A foot strap is secured to the upper surface of the base member.

Electric heating device comprising an electric radiator (10) for heating the air passing through it, said radiator comprising a casing (12), at least one resistive element mounted in the casing and constituted by at least one zigzag metal strip (22) which is disposed so as to be directly exposed to the air passing through the casing, and a circuit (30) for controlling the electrical supply of the resistive element or elements connected to a power supply. The electric radiator (10) comprises a set of individual heating modules (20) disposed parallel to one another in the casing (12) and so as to be directly exposed to the air passing through the casing, each heating module (20) comprising a pleated or corrugated metal strip (22) and an electronic switch controlled by the control circuit (30) intended to selectively inhibit the electrical supply of the metal strip (22).

An electric fireplace having a fire simulating assembly is provided with the invention. The fire simulating assembly includes a semitransparent light filter screen, a mirror glass wall and a dynamic light source. The dynamic light source includes fixed light source and a photic cover composed with many rotating centrifugal blades. There are many photic apertures in flame shape. The centrifugal blades rotate around the central of the light source. The said centrifugal blades are laid as follow: the rotating centrifugal blades are set at the periphery of the lighting lamps unjoined with each other. There are clearances between the blades. Light is reflected through the centrifugal blades. The curvature center of each centrifugal blade is not the same as the center axis of lamp whereby static bias and dynamic eccentricity are formed between the arc centers of blades and rotating center. The electric fireplace of this invention can achieve a natural effect of vivid, rising and leaping simulated flame.

The invention relates to a conductive heating material. The conductive heating paper comprises a substrate and a conductive heating layer evenly attached to the substrate. The conductive heating layer is made of a conductive heating coating which comprises a conductive heating material and an adhesive, wherein the conductive heating material is selected from natural graphite, man-made graphite and conductive carbon black, the adhesive is selected from an epoxy resin adhesive, a polyurethane resin adhesive, a glutin adhesive, a carboxymethyl cellulose adhesive, a polyvinyl alcohol adhesive and the like, and the conductive heating material can be used for manufacturing a conductive heating floor. The conductive heating floor can reach a surface temperature of 15-70 DEG C within 5 min of electrification, keep the temperature stable for a long time and replace a traditional floor-heating system and has low cost, reliable operation, energy saving, environmental protection and convenient maintenance and replacement.

The present invention relates to a novel constructional principle for electric heaters, wherein the functions of frame and resilient means are separated from one another. As a frame for an electric heater, a housing is used that consists of two half-shells. Positioning aids for the PTC heating elements are arranged in the housing. The longitudinal sides of the housing are essentially made open to allow for air throughput through the heating register. A resilient device is additionally inserted into the housing, the resilient device compressing the layered structure of radiator elements, PTC heating elements and contact sheets. After the heater has been assembled, the resilient device can be inserted through a lateral opening into the heater.

A system for generating radiant heat in a transit vehicle includes at least one floor panel having at least one heating element disposed therein, and a power switch operably disposed intermediate a power supply source and the heating element for selectively providing and discontinuing a supply of a predetermined power generated by such power supply source to and from such at least one heating element.

To detect accurately an insulation fault in a load circuit, Power supply lines and an electric heater (a load circuit) are connected by a detecting portion to detect a detected voltage (detected value) in accordance with the magnitude of a leakage current Id that flows through a ground between the power supply lines and the electric heater, and an evaluation as to whether or not there is a breakdown of insulation of the electric heater relative to the ground is performed by an evaluating portion based on the detected value obtained when the relay contact points are open.

An inline duct supplemental heating and cooling device provides heated and/or cooled air to a room in a building to supplement the heating provided by the existing furnace or the cooling provided by the existing cooling unit in the building. The device includes an electric heater and fan that are activated and deactivated individually by a controller, which receives room temperature data from a thermostat. The device may include one or more separate safety devices to prevent overheating of heater air or of the device itself. Optionally, a vibration-insulating sleeve may be used to couple the device to an existing ventilation duct of the building.