Abstract: A vehicle HVAC system including a ram air throttling assembly. The ram air throttling assembly includes: a housing defining a ram air inlet, a recirculation air inlet, and an outlet; a first door within the housing, the first door movable to direct airflow from at least one of the ram air inlet and the recirculation air inlet to the outlet; and a second door slidably movable to throttle airflow into the housing through the ram air inlet.

Abstract: A heating, ventilation, and air conditioning (HVAC) airflow distribution module including a passenger side face outlet and a passenger center face outlet both defined by the module. A passenger face door sub assembly within the module includes a passenger side face door (outer portion) at the passenger side face outlet and movable to control airflow through the passenger side face outlet. A passenger center face door (inner portion) is at the passenger center face outlet and is movable to control airflow through the passenger center face outlet. The passenger side face door and the passenger center face door are movable independent of one another to independently control airflow through the passenger side face outlet and the passenger center face outlet.

Abstract: An HVAC system for a vehicle including: a transparent metallic layer configured to be mounted to a windshield; a control module configured to apply voltage from a power supply to the transparent metallic layer to heat the windshield; and an HVAC case defining a face outlet and a combined foot and side window outlet, the HVAC case including a mode door movable to control airflow through both the face outlet and the combined foot and side window outlet.

Abstract: An HVAC system including an evaporator, a condenser, an expansion valve, and a compressor. An HVAC case includes a first heat exchanger having a first height, a second heat exchanger having a second height that is greater than the first height, and an air mix door movable to direct airflow from the second heat exchanger to the first heat exchanger or around the first heat exchanger. In a maximum hot mode, a valve system directs the coolant through the condenser, the first heat exchanger, and the second heat exchanger, and the air mix door directs airflow from the second heat exchanger to the first heat exchanger. In a maximum cold mode, the valve system directs the coolant through the evaporator, the first heat exchanger, and the second heat exchanger.

Abstract: A secondary loop HVAC system including an evaporator, a condenser, an expansion valve, and a compressor. A refrigerant loop is in fluid communication with each of the evaporator, the condenser, and the expansion valve. An HVAC case includes a first heat exchanger and a second heat exchanger. A first coolant loop is in fluid communication with the first heat exchanger, the second heat exchanger, and either the evaporator or the condenser. A valve system is configured to control flow of the coolant through the first coolant loop. In a maximum hot heating mode, the valve system is configured to direct the coolant through the condenser, the first heat exchanger, and the second heat exchanger. In a maximum cold cooling mode, the valve system is configured to direct the coolant through the evaporator, the first heat exchanger, and the second heat exchanger.

Abstract: An actuator assembly for actuating actuatable members. The actuator assembly includes an upper cam mounted to an upper side of a center plate. The upper cam is rotatable by a motor. A lower cam is mounted to a lower side of the center plate. The lower cam is rotatable by the motor. The upper cam and the lower cam are configured to rotate at different speeds and are configured to actuate linkages for moving the actuatable members.

Abstract: An HVAC case configured to heat airflow for a vehicle HVAC system. The HVAC case has a defrost outlet, a primary demist outlet, a secondary demist outlet, and an airflow control door. The airflow control door is configured to control airflow through each one of the defrost outlet, the primary demist outlet, and the secondary demist outlet.

Abstract: An inlet subassembly for a heating, ventilation, and air conditioning (HVAC) system. The inlet subassembly includes a divider defining a first airflow path and a second airflow path on opposite sides of the divider. The first airflow path extends from a first side of the recirculation air inlet and a first side of the fresh air inlet. The second airflow path extends from a second side of the recirculation air inlet and a second side of the fresh air inlet. A first inlet door is movable to control airflow into the first airflow path from the first side of the recirculation air inlet or the first side of the fresh air inlet. A second inlet door is movable to control airflow into the second airflow path from the second side of the recirculation air inlet or the second side of the fresh air inlet.

Abstract: An inlet subassembly for a heating, ventilation, and air conditioning (HVAC) system. The inlet subassembly includes a fresh air inlet and a fresh air door movable to control fresh airflow through the fresh air inlet. The inlet subassembly further includes a recirculation air inlet and a partition defining a first airflow channel and a second airflow channel extending from the recirculation air inlet. A recirculation air door is adjacent to the recirculation air inlet and is movable to a closed position restricting recirculated airflow into both the first airflow channel and the second airflow channel, an open position permitting recirculated airflow into both the first airflow channel and the second airflow channel, and a two-layer position in which the recirculation air door restricts recirculated airflow into the first airflow channel and permits recirculated airflow into the second airflow channel.

Abstract: A blower assembly including a scroll having a first airflow deflector nose and a second airflow deflector nose, which are offset relative to each other about a circumference of the scroll. A rotor is housed within the scroll. The first airflow deflector nose is configured to deflect airflow generated by the rotor out of the scroll to a first outlet of the blower assembly. The second airflow deflector nose is configured to deflect airflow generated by the rotor out of the scroll to a second outlet of the blower assembly.

Abstract: An HVAC case for a vehicle including an airflow outlet defining a first outlet area having a first width and a first depth, and a second outlet area having a second width and a second depth. The first outlet area is larger than the second outlet area. A ramped surface is adjacent to the second outlet area. An airflow control door is movable to an open position, a partially closed position in which the airflow control door obstructs airflow through the first outlet area and permits airflow through the second outlet area, and a fully closed position in which the airflow control door obstructs airflow through both the first outlet area and the second outlet area.

Abstract: A heating, ventilation, and air conditioning (HVAC) system for a vehicle. The HVAC system includes an airflow inlet case defining a fresh air inlet and a recirculation air inlet. The airflow inlet case includes an evaporator and a filter both aligned with an axis of rotation of a blower configured to draw airflow through the airflow inlet case into a heater case. The recirculation air inlet faces the heater case. The airflow inlet case is configured to be mounted on an engine side of a vehicle firewall such that the recirculation air inlet is at the firewall.

Abstract: A heating, ventilation, and air conditioning (HVAC) airflow distribution module including a passenger side face outlet and a passenger center face outlet both defined by the module. A passenger face door sub assembly within the module includes a passenger side face door (outer portion) at the passenger side face outlet and movable to control airflow through the passenger side face outlet. A passenger center face door (inner portion) is at the passenger center face outlet and is movable to control airflow through the passenger center face outlet. The passenger side face door and the passenger center face door are movable independent of one another to independently control airflow through the passenger side face outlet and the passenger center face outlet.

Abstract: A blower assembly including a scroll having a first airflow deflector nose and a second airflow deflector nose, which are offset relative to each other about a circumference of the scroll. A rotor is housed within the scroll. The first airflow deflector nose is configured to deflect airflow generated by the rotor out of the scroll to a first outlet of the blower assembly. The second airflow deflector nose is configured to deflect airflow generated by the rotor out of the scroll to a second outlet of the blower assembly.

Abstract: A modular door for a vehicle HVAC system includes a first subcomponent, a second subcomponent, and a customized subcomponent. The first subcomponent forms a first portion of the modular door and is configured to be standardized for first and second vehicle HVAC systems. The second subcomponent forms a second portion of the modular door and is configured to be standardized for the first and second vehicle HVAC systems. The customized subcomponent is configured to separate the first subcomponent from the second subcomponent. The customized subcomponent is also configured to connect the first subcomponent to the second subcomponent such that the modular door is configured for the first vehicle HVAC system.

Abstract: A vehicle airflow system includes a centrifugal fan and an air diffuser. The centrifugal fan is configured to direct air radially outward from a rotational axis of the fan. The air diffuser has a plurality of air deflectors that are disposed radially about the fan. The air deflectors have curved surfaces. Each curved surface defines an airflow channel that has an inlet extending radially outward from a periphery of the centrifugal fan and an outlet extending axially away from the diffuser relative to the rotational axis of the fan.

Abstract: A heating, ventilation, and air conditioning (HVAC) airflow distribution module is integrated with a driver-focus mode operation mechanism for a vehicle. The module utilizes: a driver face door to control airflow through driver face outlets; a passenger face door sub assembly to control airflow through a passenger center face outlet and a passenger side face outlet independently; a foot door sub assembly including a passenger front foot door and a main foot door to control airflow through a passenger front foot outlet independently from driver front and rear foot outlets and a passenger rear foot outlet; and a separator to separate airflow through passenger front and rear foot outlets. The present disclosure enables an HVAC airflow distribution module to focus airflow on the driver's seat and maintain the vehicle recirculation at a comfortable level when no passenger is present.

Abstract: An actuator assembly for actuating actuatable members. The actuator assembly includes an upper cam mounted to an upper side of a center plate. The upper cam is rotatable by a motor. A lower cam is mounted to a lower side of the center plate. The lower cam is rotatable by the motor. The upper cam and the lower cam are configured to rotate at different speeds and are configured to actuate linkages for moving the actuatable members.

Abstract: A heating, ventilation, and air conditioning (HVAC) airflow distribution module with an outlet closing mechanism for a vehicle including a driver face airflow outlet defined by an HVAC module. A passenger face airflow outlet defined by the HVAC module having a center portion and a side portion. An adaptor including a door driving mechanism to control a telescoping door sub-assembly, which is mounted at the passenger face airflow outlet and is movable between a retracted position at which the telescoping door sub-assembly does not obstruct the airflow through the passenger face airflow outlet by being packaged away from outlets, and any one of a plurality of extended positions at which the telescoping door sub-assembly obstructs the side portion or both the side and center portions of the passenger face airflow outlet at different blocking levels when no passenger is present to save energy, improve fuel economy, and/or increase battery life.

Abstract: An HVAC case for a vehicle including an airflow outlet defining a first outlet area having a first width and a first depth, and a second outlet area having a second width and a second depth. The first outlet area is larger than the second outlet area. A ramped surface is adjacent to the second outlet area. An airflow control door is movable to an open position, a partially closed position in which the airflow control door obstructs airflow through the first outlet area and permits airflow through the second outlet area, and a fully closed position in which the airflow control door obstructs airflow through both the first outlet area and the second outlet area.