Proposed is an air-curtain system of a vehicle. The system may include a plurality of air discharge units provided on a roof of a door side or trunk side of the vehicle and adjusting a direction or pressure of discharged air, an air supply system connected at a plurality of ends to the air discharge units and adjusting supply of the air to the air discharge unit as a plurality of guides provided therein are rotated, and a controller adjusting a flow rate of the air discharged from the air discharge unit by adjusting a rotation angle of each of the guides depending on an open or closed state of a door or trunk of the vehicle.

According to some embodiments, a zonal conditioning system for a vehicle comprises a headliner assembly configured to be secured to the top surface of a vehicle interior, wherein the headliner assembly comprises a first side positioned away from the vehicle interior and hidden from the vehicle interior, and a second side positioned toward the vehicle interior, the headliner assembly comprising at least two vents through which air selectively passes. The zonal conditioning system further includes at least two fluid modules positioned along the first side of the headliner assembly, wherein each of the fluid modules comprises a fluid transfer device and an outlet. In some embodiments, at least one property of the air discharged through the first and second vents can be selectively regulated to create separate conditioning zones within the interior of the vehicle.

A selective filtration system for an operator cab attached to an agricultural vehicle. A HVAC unit supplies conditioned air to an operator space selectively from a CAT 4 filter and a CAT 2 filter. A pressurization blower and two way valve controls flow from the CAT 4 filter to the HVAC unit. Control of flow or isolation of the CAT 2 filter is provided by pressure variations within the system. The CAT 4 filter and CAT 2 filter are isolated from the ambient when they are not in use by valves. A calibrated orifice enables positive pressurization to the CAT 2 filter to hold the valves closed.

The skylight vent cover is installed immediately beneath the existing skylight in the ceiling of a structure, e.g., motorhomes, cabin boats, etc. The vent cover includes one or more opaque panels that are spaced away from the overlying structure to substantially block light passage while allowing airflow between the panel(s) and overlying structure. Some embodiments have a single planar or non-planar panel. Other embodiments have a plurality of tiered panels. The upper surface(s) of the panel(s) can have a reflective coating thereon to reflect light and heat from the skylight and vent. Various attachments can be provided, e.g., mating hook and loop material, magnets, hinge and latch, etc. In all embodiments, the panel is spaced away from the overlying ceiling structure, and in the case of multiple panel embodiments, the panels are spaced apart from one another to provide good ventilation and airflow therebetween.

A vehicle air-conditioning apparatus has a duct that is configured to supply an air-conditioned air to a vehicle interior, and has a resinous base layer, and an infrared reflective layer formed on a surface of the resinous base layer facing a vehicle exterior to reflect an infrared ray.

According to some embodiments, a zonal conditioning system for a vehicle comprises a headliner assembly configured to be secured to the top surface of a vehicle interior, wherein the headliner assembly comprises a first side positioned away from the vehicle interior and hidden from the vehicle interior, and a second side positioned toward the vehicle interior, the headliner assembly comprising at least two vents through which air selectively passes. The zonal conditioning system further includes at least two fluid modules positioned along the first side of the headliner assembly, wherein each of the fluid modules comprises a fluid transfer device and an outlet. In some embodiments, at least one property of the air discharged through the first and second vents can be selectively regulated to create separate conditioning zones within the interior of the vehicle.

A work vehicle includes a cabin to cover an operator's seat on a traveling body. A cabin frame that constitutes a framework of the cabin includes a pair of left and right front pillars, a pair of left and right rear pillars, a front beam, a rear beam, and side beams. The front beam couples upper end portions of the front pillars to each other. The rear beam couples upper end portions of the rear pillars to each other. Each of the side beams couples to each other upper end portions of each of the front pillars and each of the rear pillars that stand at a front and rear. The rear beam is formed to have a U-shaped cross-section by presswork of a metal plate material.

A ventilation system for a passenger transit vehicle that comprises a passenger compartment. The ventilation system comprises a variable speed fan for providing outside air to the passenger compartment, wherein within a given ambient temperature range, the speed of the variable speed fan is controlled such that the air speed produced by the variable speed fan increases with increasing ambient temperature. The ventilation system further comprises a duct system fluidly connecting the variable speed fan to an air diffuser that directs the air from the variable speed fan towards the passengers within the passenger compartment. The cross sectional area of the duct system decreases along its length for providing substantially constant air pressure along its length. The ventilation system is able to provide outside air into the passenger compartment at an air flow speed of greater than 0.15 m/s.

A rail-borne vehicle includes an inner ceiling assembly having at least one air duct, a multiplicity of lighting devices and at least one ceiling cladding. The air duct is disposed between an inner surface or face of a roof of the rail-borne vehicle and the ceiling cladding and the air duct is provided with a multiplicity of air outlet openings. The ceiling cladding also has a multiplicity of openings. Both the lighting devices disposed between the inner surface of the roof of the rail-borne vehicle and the ceiling cladding as well as the air outlet openings of the air duct are disposed relative to the openings in the ceiling cladding in such a way that both the air of the air duct and the light of the lighting devices pass through the openings in the ceiling cladding.

Example embodiments relate to an air cooling system for an electronic spinning assembly. An example embodiment includes a plurality of vanes coupled to a static base. A vane cover is rotatably coupled to the static base. The vane cover includes at least one air inlet, at least one air duct extending from the vane cover, and at least one choke point disposed in the cover. The at least one choke point is configured to increase a pressure of the airflow.