A heating, ventilation and/or air-conditioning device for a motor vehicle, with a housing which includes a first duct for a first air stream, a second duct for a second air stream, a partition placed inside the housing so as to separate the ducts, a first heat exchanger arranged in the ducts, said heat exchanger being common to the two ducts, a second heat exchanger which is located downstream of the first heat exchanger and is arranged within a single duct, a first flap located downstream of the second heat exchanger, an air stream guide wall which is arranged inside the first duct, downstream of the first heat exchanger, and directs the first air stream in the direction of the first flap. The housing includes a space between the air stream guide wall and the first flap so that the first flap will not abut against the air stream guide wall.

Provided is a register that can more surely suppress abnormal noise caused by air passing through a space between a damper and a retainer. An inner wall of an upper side wall of the retainer is formed with a plurality of rib parts provided on a downstream side relative to an outer periphery on the downstream side of a plate member in a closed state of a damper. The plurality of rib parts is arranged in a direction parallel to a turning axis of the damper, and adjacent rib parts are formed into different shapes. A soft seal member is provided with a plurality of protrusion parts on an upper surface of the outer periphery on the downstream side of the plate member.

An air handling system of a vehicle includes a main housing interchangeable between a first configuration and a second configuration. The main housing has a primary portion configured to convey a cold air flow and a warm air flow therethrough. A secondary portion is interchangeable between a first plenum in the first configuration of the main housing and a second plenum in the second configuration of the main housing.

The present invention relates to an air conditioner for a vehicle, which includes an air-conditioning case (200), and at least one door (100) mounted to be opened and closed at a predetermined position, wherein the door (100) is formed integrally with an arm pivot (140), and the arm pivot (140) includes a pin part, and ribs formed integrally with both sides of the pin part to reinforce rigidity of the pin part and offset noise. The air conditioner further includes distortion preventing parts formed on a rotary shaft to be dented and to be crossed to each other, thereby reducing a transformation rate of the door and securing accuracy of the pin part.

Provided is a damper of an air vent for a vehicle, in which an operating member and a pad member are assembled with a structure in which a coupling protrusion of the operating member is inserted into a coupling hole of the pad member. As dimensions of the damper become accurate, a gap is not formed, thereby preventing air leakage. Moreover, due to no need for overlap of the pad member, the operating force of the damper is reduced and becomes uniform, and friction noise of the pad member in operation is prevented. Furthermore, an assembly method is simple, facilitating automation and expecting productivity improvement.

A vehicular air conditioning system includes an intake case having an indoor air inlet for introducing an indoor air present in a vehicle interior and an outdoor air inlet for introducing an outdoor air present outside a vehicle, an intake door installed in the intake case to selectively block one of the outdoor air inlet and the indoor air inlet while rotating about a rotation center shaft, and a water blocking part configured to block water flowing into the vehicle interior from the indoor air inlet of the intake case.

Disclosed therein is an air conditioner for a vehicle which includes a sealing member attached to one side of a door member of a mode door face-sealed with the inner face of an air-conditioning case by the inside wind pressure of the air-conditioning case so as to prevent vibration of the door member by wind pressure of the inside of the air-conditioning case and prevent air leakage from the face-sealed part, and which includes a rib formed on the door member for preventing excessive pressure of the sealing member in order to make actuating force of the door member uniform and to enhance a passenger's sense of manipulation.

A heating, ventilation, and air condition (HVAC) unit including a casing and a door. The casing includes a body portion and a lip portion extending from the body portion. The body portion defines a first inlet opening and a second inlet opening. The door is pivotable between a first position in which ambient air is able to flow through the second inlet opening and air within an occupant cabin is restricted from flowing through the first inlet opening, and a second position in which ambient air is restricted from flowing through the second inlet opening and air within the occupant cabin is able to flow through the first inlet opening. A distance from an outward most location where the door and the lip portion contact each other to an edge of the lip portion that is further outwardly of the outward most location is between 0.1 millimeters and 5 millimeters.

An HVAC system including a defrost manifold. The defrost manifold has a first side window outlet, a second side window outlet, and a windshield outlet. A first rib partially obstructs the first side window outlet. A second rib partially obstructs the second side window outlet. A control door is movable to open and close the defrost manifold. A first wall extends from a first portion of the control door that is opposite to the first side window outlet. A second wall extends from a second portion of the control door that is opposite to the second side window outlet. Movement of the control door varies the position of the first wall relative to the first rib, and varies the position of the second wall relative to the second rib, to control airflow through the first and second side window outlets

A control damper for a housing of an air-handling unit includes a rigid main body rotatable about a first rotational axis. A sealing element extends radially outwardly from a first side of the rigid main body. The sealing element is formed of a resilient material. The sealing element further includes a resilient lip extending outwardly from a distal end thereof. The lip has a first series of undulations formed in an outer edge thereof, wherein the undulations form a wave-shaped profile in the outer edge of the lip.