An air discharge device includes a duct that defines a flow passage through which a working air flow to be discharged passes, and a hole forming member defining an air discharge hole as an outlet of the working air flow. The hole forming member has a vortex generation structure configured to generate an auxiliary vortex having a vortex characteristic including a vortex rotation direction and a vortex axis direction. The vortex characteristic of the auxiliary vortex is different from that of a lateral vortex generated by the working air flow at a downstream side of the air discharge hole. The vortex generation structure is configured in the hole forming member so that the auxiliary vortex collides with the lateral vortex in a state where at least one of the vortex rotation direction and the vortex axial direction of the vortex characteristic is different from that of the lateral vortex.

An assembly for introducing air into a passenger compartment of a vehicle is provided. The assembly includes at least three mutually spaced air channels which can be provided with air and each of which has an air outlet. Each air channel is fluidly communicatively connected to the passenger compartment via the air outlets, and an open jet can exit from the outlet. The assembly also includes at least one controller, with which a mass flow of an air flow in each air channel can be controlled. The air outlets are designed and oriented relative to one another such that open jets exiting simultaneously from at least two air outlets can be mixed together in the passenger compartment so as to form a single total air flow. To provide an improved possibility of introducing air into a passenger compartment of a vehicle, the controller is designed to control the mass flow of the air flow in each air channel such that a main flow direction of the total air flow can be spatially varied.

An air nozzle for discharging an air flow from an air supply duct of a heating, ventilation or air-conditioning system, in particular in a passenger compartment of a vehicle, composed of a nozzle body and of a receiving element which receives the nozzle body, wherein the receiving element is arranged on the air supply duct, and wherein the nozzle body and/or the receiving element are/is mounted so as to be pivotable about at least one degree of freedom, wherein in the interior of the nozzle body there is arranged a swirl insert which is arranged fixedly and which is connected rigidly to the nozzle body.

An air exhaust device for a vehicle body panel, which can prevent the inflow of noise, dust and exhaust gas while providing a ventilation function for discharging indoor air to the outside and can enhance a stiffness around an aperture, may include a main body plate, a filtering member, and an air exhaust passage. The main body plate is coupled to the vehicle body panel to block the aperture. The filtering member is disposed in a reception part of the main body plate to block foreign substances introduced from the outside and to allow air passing through. The air exhaust passage extends from the reception part to the outside of the vehicle body panel to discharge the air passing through the filtering member to the outside.

An air vent for a vehicle interior ventilation system including a diffuse air flow duct with a diffuse outlet opening for discharging the air as a diffuse or swirling jet, a movable connecting sleeve with an inflow opening and an outflow opening as a spot outlet opening, which forms a spot air flow duct at a spot outlet opening. Through movement of the connecting sleeve, different discharge directions of the spot jet from the spot outlet opening can be adjusted. The air discharged through the connecting sleeve is redirectable substantially completely in different discharge directions with pivoting of the connecting sleeve. The connecting sleeve has a greater cross-sectional area at the inflow opening than at the outflow opening and at least one air guiding wall is formed in the connecting sleeve.