According to one embodiment of the present invention, a heating rod comprises: a first thermal diffusion plate; a ceramic substrate arranged on the first thermal diffusion plate and having a heating element arranged therein; and a second thermal diffusion plate arranged on the ceramic substrate, wherein the first thermal diffusion plate and the second thermal diffusion plate are respectively stacked in a plurality of layers. Since the first thermal diffusion plate and the second thermal diffusion plate are stacked in the plurality of layers, a heating rod having a high thermal efficiency and being capable of fast heating and a vehicular heating device including the same can be obtained.

The present disclosure provides a heating core for hot air gun use and a hot air gun. The heating core comprises: a mount support; and a heating wire arranged on the mount support; wherein the heating wire includes a close wound segment on a surface of which an insulating layer is provided, an interval between adjacent heating wires in the close wound segment is D, 0≤D≤2 mm. The hot gun comprises a housing in which a hot air device producing hot air is provided, the hot air device comprising a heating core; a hot air tube provided at a front end of the housing, inside the hot air tube being disposed the heating core, wherein: the heating core is the heating core for hot air gun use according to any technical solution above. By providing a close wound segment on the heating wire and arranging an insulating layer on the surface of the heating wire, the heating capacity of the heating wire in the local space is increased, the heating density of the local space is improved, and thus the air-out temperature, working effect, and working efficiency of the hot air gun may be dramatically improved.

The present disclosure provides a heating core for hot air gun use and a hot air gun. The heating core comprises: a mount support; and a heating wire arranged on the mount support; wherein the heating wire includes a close wound segment on a surface of which an insulating layer is provided, an interval between adjacent heating wires in the close wound segment is D, 0≤D≤2 mm. The hot gun comprises a housing in which a hot air device producing hot air is provided, the hot air device comprising a heating core; a hot air tube provided at a front end of the housing, inside the hot air tube being disposed the heating core, wherein: the heating core is the heating core for hot air gun use according to any technical solution above. By providing a close wound segment on the heating wire and arranging an insulating layer on the surface of the heating wire, the heating capacity of the heating wire in the local space is increased, the heating density of the local space is improved, and thus the air-out temperature, working effect, and working efficiency of the hot air gun may be dramatically improved.

Various embodiments of the subject technology may provide methods and apparatus for using a cartridge to vaporize a vaporizable liquid. The methods and apparatus for using the cartridge to vaporize the vaporizable liquid may include drawing air into an airflow path of the cartridge. The methods and apparatus for using the cartridge to vaporize the vaporizable liquid may also include vaporizing a first portion of the vaporizable liquid by conductively heating the first portion as the air is drawn into the airflow path. The methods and apparatus for using the cartridge to vaporize the vaporizable liquid may further include vaporizing a second portion of the vaporizable liquid by convectively heating the second portion as the air flows along the airflow path.

A cartridge for use with an aerosol generating device includes a housing defining a closed end, an open end, and an aperture between the closed end and the open end. The cartridge further includes a composition including nicotine in the housing in proximity to the closed end. The cartridge also includes a flow control apparatus in the housing. The flow control apparatus includes a proximal end, a distal end, and an internal airflow passageway between the distal end and the proximal end. A seal is formed between an exterior of the flow control apparatus and an interior of the housing. The seal is between the open end of the housing and the aperture of the housing. A channel is at least partially defined by the interior of the housing. The channel is in communication with the aperture and directs air from the aperture towards the composition including nicotine.

A cartridge for use with an aerosol generating device includes a housing defining a closed end, an open end, and an aperture between the closed end and the open end. The cartridge further includes a composition including nicotine in the housing in proximity to the closed end. The cartridge also includes a flow control apparatus in the housing. The flow control apparatus includes a proximal end, a distal end, and an internal airflow passageway between the distal end and the proximal end. A seal is formed between an exterior of the flow control apparatus and an interior of the housing. The seal is between the open end of the housing and the aperture of the housing. A channel is at least partially defined by the interior of the housing. The channel is in communication with the aperture and directs air from the aperture towards the composition including nicotine.

A heating device for calender cylinders, comprising a core cylinder arranged coaxially in a cylinder adapted to support a plurality of heating elements; the core cylinder and the cylinder adapted to support the heating elements are configured to be accommodated in a fixed manner within a rotating calender cylinder; the core cylinder has an inlet for the passage of air which is adapted to make air flow and gather inside the core cylinder.

A heating device for calender cylinders, comprising a core cylinder arranged coaxially in a cylinder adapted to support a plurality of heating elements; the core cylinder and the cylinder adapted to support the heating elements are configured to be accommodated in a fixed manner within a rotating calender cylinder; the core cylinder has an inlet for the passage of air which is adapted to make air flow and gather inside the core cylinder.

A resistance heating component is to come into contact with and heat a fixing belt made of a heat resistant material, and is to be provided at a position away from a fixing area between which the resistance heating component and the fixing belt a recording material is held and conveyed, the resistance heating component including: a metal base material having a low heat capacity; and a resistance heating layer laminated on a front surface or a rear surface of the base material with an insulating layer interposed between the base material and the resistance heating layer.

A resistance heating component is to come into contact with and heat a fixing belt made of a heat resistant material, and is to be provided at a position away from a fixing area between which the resistance heating component and the fixing belt a recording material is held and conveyed, the resistance heating component including: a metal base material having a low heat capacity; and a resistance heating layer laminated on a front surface or a rear surface of the base material with an insulating layer interposed between the base material and the resistance heating layer.