The object of the invention is a device for conducting amplification reaction of biological samples with a system for independent control of the temperature of test tubes in a heating assembly comprising a multipart heating slot located in the cooling system housing, characterised in that the heating assembly comprises at least one heating slot (100) comprising a metal heating sleeve (101) wound around with a bifilar winding wire made of enamelled winding wire (102), which is covered with a composite polymer layer (103), wherein a temperature sensor (104) is located on the surface of the winding wire, and at least one heating slot is mounted on the PCB control board (105) located on the cooling system housing (112),

A fluid pipe device is provided, which includes a pipe member forming a flow channel for flowing a fluid; a heating member for generating heat to heat the pipe member; a metal heat transfer member abutting against the heating member and conducting the heat to the pipe member; and a terminal member electrically connecting the heating member and the heat transfer member. The heat transfer member includes a first heat transfer member and a second heat transfer member, and at least one of the first heat transfer member and the second heat transfer member forms the terminal member at one portion, and the first heat transfer member is provided in the pipe member in such a way as not to be exposed inside the flow channel of the pipe member.

An electrical heating device (14) for an operating fluid tank (10) of a motor vehicle, in particular for a tank (10) for storing aqueous urea solution, having at least one PTC element (34, 36, 38, 40, 42, 44), that is disposed connecting two electrical conductors (24, 26, 28, 29), characterized in that the electrical heating device (14) comprises a multitude of PTC elements (34, 36, 28, 40, 42, 44), of which each is connectively arranged to two electrical conductors (24, 26, 28, 29), wherein at least one of the electrical conductors (24, 26, 28, 29) is configured as a laminar conductor component and forms a heat conductor for transferring the heat produced in the PTC element (34, 36, 38, 40, 42, 44) to a volume portion of the outside environment (18) of the electrical heating device (14), which is adjacent to the electrical heating device (14).

A vehicle exterior component includes a decorative main body and a heater sheet that includes a heating wire and a sheet base made of a plastic. The heating wire is routed on the back surface of the sheet base. The heater sheet includes a heating main body that is arranged to be closer to a front side than the decorative main body, and an extending portion that is bent along the outer circumference of the decorative main body to be arranged at a position closer to a back side than a front surface of the decorative main body. The extending portion includes a bent portion along the outer circumference. The wire length of the heating wire in the bent portion is set to a length that allows the heating wire to change shape to adapt to expansions and contractions of the sheet base in the bent portion.

A vehicle exterior part includes: a decoration body including a base and a transparent plastic layer arranged on an outer side of the base; a heater seat including a seat base and a heat wire; and a connector pin. The heater seat includes: a heat-generating body arranged on an outer side of the transparent plastic layer; and an extension extending from an edge of the heat-generating body. A section of the heater wire in the extension is a terminal electrically connected to the connector pin. An outer part of the connector pin is embedded in a periphery of the base. An inner part of the connector pin is exposed from the base. The extension extends inward in an outer-inner direction in the periphery of the base. The terminal of the heater wire is joined to the outer part of the connector pin in the periphery of the base.

A belt cooking apparatus (10) includes a lower frame structure (12) and an upper frame structure (14) in registry with the lower frame structure. A lower cooking conveyor belt (16) is supported by the lower frame structure (12) and correspondingly an upper conveyor belt (18) is supported by the upper frame structure (14). Heating element assemblies (20) are mounted on the lower frame structure (12) just below the lower cooking belt (16) as well as on the upper frame structure (14) just above the upper cooking belt (18). Food products are cooked while positioned between the upper and lower moving cooking conveyor belts (16) and (18) by heat generated by the heating element assemblies (20) while being advanced by the conveyor belts.

A PTC heating element for an electric heating device includes frame which is made of electrically non-conductive material and which encloses at least one PTC element, conductor tracks electrically connected to the PTC element, and insulating layers bearing, in a heat-conductive manner, against an oppositely disposed main side surface of the PTC element. The frame has contact strips which project over itself and which are electrically conductively connected to the conductor tracks for energizing the PTC element with different polarities. In order to provide an electrically well-insulated PTC heating element allows good heat coupling, s a film respectively covers the outer surfaces of the insulating layers. A corresponding PTC heating element may be provided in a circulation chamber of the electric heating device. In this case, the conductor tracks are electrically connected to the PTC element, protrude through a partition wall of the electric heating device, and are exposed and electrically connected in a connection chamber. The connection chamber is separated by the partition wall from the circulation chamber.

A thick film high temperature thermoplastic insulated resistive heating element including one or more base dielectric layers screen printed on a metal substrate having a composition one or more melt-flowable thermoplastic polymers, inorganic filler particles, a transition dielectric layer on top of the uppermost based dielectric layer containing inorganic additives in addition to one or more melt-flowable thermoplastic polymers and inorganic filler particles. A heater layer is coated on top of the top dielectric layer where the topmost dielectric layer acts as a transition layer between the uppermost dielectric to protect the adjacent resistor layer from the development of hot spots and cracking arising from the propagation of microcracks due to, amongst other things, residual stresses transmitted to the resistive layer from the sub-layers due to the thermal history of the resistive heater and substrate. The topmost transition dielectric layer is comprised of a ternary or higher mixture of the thermoplastic material such as, but not limited to, polyether ether ketone (PEEK), the inorganic filler such as alumina and other additives such as aluminum nitride.

The present application describes a heated light pad. The heated light pad includes housing including a top cover having a work surface and a bottom cover enclosing a housing interior. A light source and a heater are each disposed in the housing interior. The light source is structured and arranged to illuminate the work surface, and wherein the heater is structured and arranged to heat the work surface. According to an example, the light source and the heater are operable simultaneously and independently of one another.

A microvaporizer (10) including a cartridge (14), a flat plate heater (16) and a base (12). The cartridge (14) includes a mouth piece (40) configured to deliver an aerosol to the user's airways. The cartridge (14) also includes a hollow main body (42) with a recessed wall (60) to receive the flat plate heater (16).