Abstract: An air conditioning unit for a vehicle includes a first channel and a second channel, a blowing unit including a first blower fan and a second blower fan that rotate together by sharing a rotary shaft and a driving unit, a bypass channel, and a control door disposed among the outlets of the first channel and the second channel, the heating core, and the bypass channel to control air discharged from the first channel or the second channel to pass through the heating core or not to pass through the heating core through the bypass channel.

Abstract: A vehicle body structure includes spaced roof rails and a structural air duct. The air duct has at least two bows connecting between the roof rails and defining first and second channels. An interconnecting member is connected between the bows and defines a third channel connecting the first and second channels in fluid communication with each other. At least one of the bows defines an outlet port configured to supply air to a cabin.

Abstract: An arrangement for the air distribution of an air conditioning system (1) of a motor vehicle. The air conditioning system (1) is configured with a housing (2) with at least two flow paths (6, 7), which empty into a mixing chamber (8), and at least one air outlet (3a, 3b, 3c) as well as an air flap (10, 11, 12) which can open and close the at least one air outlet (3a, 3b, 3c). The arrangement has a device (18) for air mixing with at least one air resistance element (21), which is supported so that it can turn about an axis of rotation (20) and which extends in the direction of the axis of rotation (20). The air resistance element (21) is configured with at least one flow through opening, so that depending on the position of the device (18) a cross section of at least one flow path (6, 7) of the housing (2) can be changed.

Abstract: A shut-off damper of an air-conditioning register has a damper body serving as a frame portion and a sealing portion softer than the damper body. The sealing portion includes a distal sealing portion caused to contact an inner wall surface of a retainer at a closed position and a flexible joint portion joining the distal sealing portion and the damper body together. The distal sealing portion has a cross section configured by a projected curved portion and contacts the inner wall surface of the retainer at the curved portion. At least a part of the joint portion has an increased thickness portion having a thickness increasing toward the damper body.

Abstract: There is obtained a cooling structure for a vehicle that can keep low a temperature of an interior of a power unit chamber in which a power unit is disposed. A cooling structure for a vehicle has: a power unit that is disposed within a power unit chamber disposed at a vehicle front side and at which air intake ports are formed in a front end side in a vehicle front-rear direction; an air-cooling-type heat exchanger that is disposed at a rear side with respect to the power unit, and that is cooled by heat exchange with air that passes from a front side to a rear side; and a communication duct that communicates a rear side portion with respect to the air-cooling-type heat exchanger and a rear side portion of the power unit in the power unit chamber.

Abstract: The present application relates to auxiliary HVAC systems for vehicles. In some embodiments, an auxiliary climate control system for a vehicle comprises a blower and heat exchanger assembly including a blower, an evaporator, an air flow actuator, and a heater core. The blower and heat exchanger assembly has a generally ‘Z’ shaped configuration.

Abstract: The invention relates to a device for influencing or regulating an air flow for a motor vehicle, the device comprising a flexible film element (8) provided with a plurality of openings for the passage of an air flow, and a rigid carrying element (9) on which the film element (8) is held, the film element (8) comprising a plurality of flap elements (7) which correspond to the openings and are defined by a flap edge (7a) which penetrates the film element (8) and only partially surrounds the flap element (7). The aim of the invention is to produce a device for regulating an air flow for a motor vehicle that can be economically produced and has a high durability with a low susceptibility to dirt accumulation. To this end, the carrying element (9) has flat regions (9a) and openings, the openings being associated with the flap elements (7) for the passage of the air flow. The film element (8) is arranged on the flat regions (9a).

Abstract: The present invention relates to a combined cooling/climate control system for motor vehicles for cooling the motor vehicle's electrical and/or electronic components and air conditioning of a passenger compartment of the vehicle, comprising: a main ventilation duct (13); a fan (15) for drawing in air disposed in the main ventilation duct; a heating unit (16) downstream of the fan (15) for selective warming of air, which is to be supplied to the passenger compartment; and for cooling the electrical and/or electronic components with air drawn in by the fan (15), an air supply pipe (20) downstream of the fan (15) and upstream of the heating unit (16) connected to the main ventilation duct (13) and an air discharge pipe (22) upstream of the fan (15) connected to the main ventilation duct (13).

Abstract: A method and apparatus for reducing noise levels occurring at a particular frequency in an air distribution apparatus used with an automotive vehicle having an interior compartment. The apparatus includes a noise reduction structure located in the air duct between an inlet end connected to a housing and a discharge end located in the vehicle interior compartment. The noise reduction structure is located a position spaced between the housing and the interior compartment of the automotive vehicle. The particular position of the noise reduction structure is determined based on the frequency of the noise level sought to be reduced. The method includes measuring the frequency of the noise level emitted from the discharge end of the air duct and correspondingly positioning the noise reduction structure at a spacing or distance based on the measured frequency.

Abstract: A construction of a filter 170 that allows air stream from a blower fan 120 to pass through a heat exchanger 130 arranged adjacent to the blower fan 120 after its flowing direction is changed by about 90 degrees. The filter 170 is disposed on the front surface of the heat exchanger on the upstream side of the air flow and has a construction such that airflow resistance of the filter gradually changes with respect to the flow velocity of air passing through the filter and in this way, flow velocity distribution of air passing through the heat exchanger becomes uniform. In this case, a fold pitch P of folds of the filter that is folded or a peak height h of the folds is changed in a plurality of steps or without any steps.

Abstract: An air conditioning unit for a vehicle has a unit case enclosing a blower fan, a cooling heat exchanger (evaporator) and a heating heat exchanger (heater core), and defining therein an air conditioning passage for conveying air from the blower fan through the cooling heat exchanger and the heating heat exchanger, to an upper outlet opening. The air conditioning passage has an upstream passage section extending downward on a first side of the blower fan to convey the air from the blower fan downward, an intermediate passage section extending under the blower fan in a first direction from the first side to a second side of the blower fan, and a downstream passage section extending upward on the second side of the blower fan to the upper outlet opening for directing the air over the blower fan in a second direction, opposite to the first direction, from the second side toward the first side (toward the passenger compartment of the vehicle).

Abstract: An outside air intake structure of an automobile includes (a) a cowl panel having a cowl panel opening; (b) a dash panel having a dash panel opening; and (c) a duct disposed on the dash panel opening. Thus, the outside air is allowed to pass through the cowl panel opening, then the duct, and then the dash panel opening. The duct has a duct opening for taking the outside air into the duct. This duct extends in a forward direction of the automobile such that the duct opening is disposed in a more forward position than the cowl panel opening in a fore-and-aft direction of the automobile. The outside air intake structure further has a bulkhead extending in a substantially vertical direction in an area defined between the duct opening and the cowl panel opening in a transverse direction of the automobile. The cowl panel has a raised portion. The duct has a top wall extending upwardly from a peripheral portion of the dash panel opening.

Abstract: An air conditioner includes a case accommodating an evaporator having a core portion and a lower tan disposed at a bottom of the core portion. The case has a recess portion disposed at an upstream air side of the evaporator, and a covering wall is formed to extend upwardly from the bottom of the recess portion to cover only the lower tank at an immediately upstream air side. When air passes through the evaporator, alien substances contained in air collide with the evaporator and fall to be deposited in the recess portion. Therefore, the deposition of the alien substances do not directly adhere to the lower tank of the evaporator to prevent the evaporator from being corroded.

Abstract: A ventilation system for a lightweight automobile having a plastic body includes a heating air inlet in fluid communication with fresh air at the engine hood upper cowl of the automobile. The air inlet is rigid plastic and is bonded to the hood to stiffen the hood. The fresh air is directed through the inlet to a heat exchanger shroud within the engine compartment, and the engine exhaust pipe passes through the shroud to heat the air in the shroud. From the shroud, the heated fresh air passes through a bulkhead valve into the passenger compartment, where it can be directed toward the passengers' feet or against the windshield to defrost the windshield. In addition, a rigid plastic fresh air plenum is transversely mounted in the passenger compartment as an instrument panel, and the fresh air plenum stiffens the body. Fresh air from the cowl is directed into the plenum and out of selectively coverable openings in the plenum to cool the passenger compartment.

Abstract: The components of a heating-ventilation and/or air conditioning apparatus, which are disposed on the side of the passenger space in relation to a transverse partition separating this passenger space from the engine compartment, are disposed one after the other in a substantially horizontal direction along the longitudinal axis of the vehicle and are mounted centrally in the dashboard.The components of the apparatus may thus be grouped in a central module of the dashboard and are particularly suitable for motor vehicles of the "single box" type.

Abstract: A heating-ventilation and/or air conditioning apparatus for use in the passenger space of a motor vehicle. The components of the apparatus, disposed on the side of the passenger space in relation to a transverse partition separating this passenger space from the front engine compartment, comprise a heating device for producing warm air and having a heating impeller for sending this warm air into the passenger space and a ventilation device for producing the cool or conditioned air and having a ventilation impeller for sending this cool or conditioned air into the passenger space. The apparatus is applicable to motor vehicles having a very inclined windshield, especially for "single box" type vehicles.

Abstract: An electric vehicle has a traction motor and apparatus comprising an air circuit for cooling the traction motor, for providing heat, where required, for the cabin of the vehicle, and for ventilating the cabin. The air circuit of the apparatus comprises a main branch containing a main ventilating and heating blower, together with a secondary branch which is branched from the first branch and which contains the cooling radiator for the traction motor. An auxiliary blower is arranged in the secondary branch. An upstream mixing valve and a downstream mixing valve connect these two branches in parallel, in such a way that either: the flow of cabin heating air passes through the radiator; or the mixing valves isolate the secondary branch, so as to form an entirely separate cooling air circuit in which the air flow is produced by the auxiliary blower.

Abstract: A motor vehicle ventilation apparatus for providing ventilation by a fan (3), located within an air channel (1) of the apparatus, whose operation can be multiply, or step, adjusted by "switching in" performance resistors (8). The performance resistors (8) and a step switch (7) required for adjusting operation of the fan (3) are arranged on members forming the air channel (1), or are in the air channel, within an effective ventilating range of the fan (3).

Abstract: An air treatment system for a vehicle or other habitable structure. The apparatus includes a supply of treating fluid, a pump and spray nozzle arrangement, and a control system. The spray nozzle discharges the treating liquid in an atomized condition within an air circulation conduit, and the control system insures that there is air flow taking place in the conduit before atomization begins and that air flow is still continuing after cessation of atomization. The sequences is insured by a logic control and the pump is actuated through a timer and relay arrangement. An automatic conditioned responsive mode of operation can also be provided.