An air conditioning device for a vehicle seat, the air conditioning device includes: at least one flow generator to generate an air flow; at least one air inlet opening fluidically connected to a flow inlet of the flow generator to draw in air to be temperature-controlled; at least one air outlet opening fluidically connected to a flow outlet of the flow generator to eject the temperature-controlled air; and a temperature-control device configured to control a temperature of the air drawn in through the at least one air inlet opening prior to the air being ejected from the at least one air outlet opening; the at least one air inlet opening and the at least one air outlet opening are arranged next to one another.

Presented is a simple, but highly energy efficient industrial heating device and method for rapid heating and high temperature gradient production whereby fermions and bosons are introduced into an adjoining fluid which may be boundary layered and consequently produce an amplifiable activated condition even at room pressure and high temperature. This heating device uses a comparatively long current carrying member which may have some curvature with penetration of the current carrying members into spaces that could have any cross-sectional geometry in a high temperature resistant stable material.

The description relates to a vehicle heating system having at least one heat transfer device through which air can flow to be heated and at least one heating device which is attached to the heat transfer device and which each involves at least one heating element arranged between two contact plates, said heating element being held by a positioning frame which is attached to one of the contact plates. The contact plates of the heating devices are each held in a positioning frame to which they are attached.

The present document describes a centrifugal ceiling fan. The fan comprises a casing, a motor and a centrifugal propeller. The casing comprises an upper surface comprising an air inlet and a lower surface comprising an air outlet. In an embodiment, the lower surface has a round bowl-like shape including a plurality of openings defining the air outlet. The propeller comprises a shaft and a plurality of blades provided around the shaft. The blades may be curved to push the air in all directions between a first direction substantially perpendicular to the rotation shaft and a second direction substantially parallel to the rotation shaft in order to evenly ventilate the room. The fan may include a heating element for heating the air as it exits from the fan.

A fan assembly comprising an air inlet, at least one air outlet, an impeller, a motor for rotating the impeller to draw air through the air inlet, at least one heater assembly, and a user interface for allowing a user to select a speed setting for the motor from a user selectable range of speed settings, and for allowing a user to select one of a first and second operational mode of the fan assembly. A rotational speed of the motor is set depending on the user selected speed setting, and is selected from a first range of values when the first operational mode of the fan assembly has been selected, and from at least one second range of values when the second operational mode of the fan assembly has been selected, with each value within each of the range of values being associated with a respective speed setting.

An apparatus for storing a mask includes a main body comprising a first region and a second region, the first region having a plurality of mask containers, a gas supply pipe having an outer portion outside of the main body, a fan in the first region to propel the gas from the second region to the first region, a filter disposed at a front end and/or a rear end of the fan, a heat exchanger in the second region and configured to exchange heat with the flowing gas, a Peltier element at the outer portion of the gas supply pipe, a first sensor installed in the gas supply pipe upstream of the Peltier element, a second sensor installed in the second region in a lower position to the heat exchanger, and a controller connected to the first and second sensors and the Peltier element.

An apparatus for storing a mask includes a main body comprising a first region and a second region, the first region having a plurality of mask containers, a gas supply pipe having an outer portion outside of the main body, a fan in the first region to propel the gas from the second region to the first region, a filter disposed at a front end and/or a rear end of the fan, a heat exchanger in the second region and configured to exchange heat with the flowing gas, a Peltier element at the outer portion of the gas supply pipe, a first sensor installed in the gas supply pipe upstream of the Peltier element, a second sensor installed in the second region in a lower position to the heat exchanger, and a controller connected to the first and second sensors and the Peltier element.

A rack-mount box (1″) for a heat-emitting device, wherein the rack-mount box (1″) comprises: a housing (3′) forming a heat-emitting device chamber, and a heat-emitting device holding structure (77) arranged in the heat-emitting device chamber and configured to support a heat-emitting device, a cool air inlet (71) arranged vertically below the heat-emitting device holding structure (77), configured to enable cool air to flow into the heat-emitting device chamber, the heat-emitting device holding structure (77) being configured to enable cool air to flow vertically past the heat-emitting device holding structure (77), wherein the housing (3) has a wall (3d) provided with a hot air outlet (73) arranged vertically above the heat-emitting device holding structure (77) to enable heated air received into the heat-emitting device chamber as cool air via the cool air inlet (71) to exit the heat-emitting device chamber, wherein the housing (3) has a roof structure (79) extending inwards in the heat-emitting chamber, the roof structure (79) being configured to direct heated air in the heat-emitting device chamber towards the hot air outlet (73).

A rack-mount box (1″) for a heat-emitting device, wherein the rack-mount box (1″) comprises: a housing (3′) forming a heat-emitting device chamber, and a heat-emitting device holding structure (77) arranged in the heat-emitting device chamber and configured to support a heat-emitting device, a cool air inlet (71) arranged vertically below the heat-emitting device holding structure (77), configured to enable cool air to flow into the heat-emitting device chamber, the heat-emitting device holding structure (77) being configured to enable cool air to flow vertically past the heat-emitting device holding structure (77), wherein the housing (3) has a wall (3d) provided with a hot air outlet (73) arranged vertically above the heat-emitting device holding structure (77) to enable heated air received into the heat-emitting device chamber as cool air via the cool air inlet (71) to exit the heat-emitting device chamber, wherein the housing (3) has a roof structure (79) extending inwards in the heat-emitting chamber, the roof structure (79) being configured to direct heated air in the heat-emitting device chamber towards the hot air outlet (73).

An electric heating device for emitting a heated air flow, in particular for a sanitary room or washroom in a rail-borne vehicle, includes an air duct, a fan generating the air flow, a heating element heating the air flow and a first over-temperature switch. The first over-temperature switch can reversibly switch off the heating element when a first over-temperature is exceeded. A second over-temperature switch can irreversibly switch off the heating element when a second over-temperature is exceeded. The second over-temperature switch is disposed in a recess, depression or opening formed in the air duct. The second over-temperature switch has a disconnect or isolating switch to be thermally triggered for switching off the heating element. The thermally triggered disconnect or isolating switch can be triggered by a glass sphere or bead that breaks when the second over-temperature is exceeded.