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An air distribution apparatus for a vehicle includes a partition disposed within a housing which separates a first longitudinal airstream from a blower and a cooling element into first and second airstreams, each separately directed through a heater element to form first and second recombined airstr

An air distribution apparatus for a vehicle includes a partition disposed within a housing which separates a first longitudinal airstream from a blower and a cooling element into first and second airstreams, each separately directed through a heater element to form first and second recombined airstreams. The partition redirects the first and second recombined airstreams to a second direction angularly disposed from the first direction of air flow to enable the first and second output airstreams to be separately transmitted to first and second separate zones within the vehicle. Independently movable blend valves are interposed in the first and second airstreams to provide independent selection of temperature of the first and second output airstreams.

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1. An air distribution apparatus for a vehicle comprising:a housing;a blower mounted in the housing in communication with an inlet in the housing and an outlet;a plenum formed within the housing, the plenum having an inlet for receiving air discharged from the outlet of the blower;a partition sepera

1. An air distribution apparatus for a vehicle comprising:a housing;a blower mounted in the housing in communication with an inlet in the housing and an outlet;a plenum formed within the housing, the plenum having an inlet for receiving air discharged from the outlet of the blower;a partition seperate from the housing, the partition mounted within the housing so as to span opposing sidewalls of said casing and communicating with the plenum, the partition separating the air flow through the plenum into first and second separate airstreams, each having a first flow direction parallel to one another;an interior wall disposed within the housing and communication with the plenum, the wall disposed at an angle relative to the partition and separating the first airstream into third and fourth sub-streams and the second airstream into fifth and sixth sub-streams;a heater element disposed within the housing downstream of the plenum for heating air discharged from the plenum, the heater element disposed in each of the first and second airstreams through a gap in the partition;movable blend members, mounted in the housing and movable between positions, to determine the volume of air of each of the first and second airstreams which bypasses the heater element and the volume of air in the first and second airstreams which flows through the heater element to be discharged into the first and second airstreams as heated air;the partition defining a shaped non-planar single wall surface redirecting the first and second airstreams from the first flow direction generally parallel to one another and to the housing to a second flow direction generally parallel to one another, where the second flow direction is angularly disposed from the first flow direction by an angle corresponding to a directional change in said housing; andducts fluidly connected to the housing for selectively receiving the first and second airstreams and for selectively discharging the first and second airstreams into separate regions of the vehicle interior, respectively. 2. The apparatus of claim 1 further comprising:a cooling element mounted in the housing downstream of the outlet of the blower for cooling air discharged form the outlet of the blower, the cooled air discharged to the plenum. 3. The apparatus of claim 1 wherein the blend members comprise:a plurality of movable valves, at least one valve disposed discretely in each of the sub-streams. 4. The apparatus of claim 3 wherein a first and a second of said movable valves in each of the first and second airstreams are linked together for simultaneous movement between opposed fully closed positions and fully opened positions. 5. The apparatus of claim 1 wherein the partition includes a deflector portion deflects the first and second airstreams substantially 90° from the first direction to the second direction. 6. The apparatus of claim 1 wherein the partition member comprises:a first section cooperating with the housing to form the first and second airstreams downstream of the plenum; anda second section disposed at an angle to the first section, the second section cooperating with the housing to redirect the first and second airstreams to the second direction. 7. The apparatus of claim 6 wherein:the first and second sections of the partition are formed as a unitary one-piece member. 8. The apparatus of claim 1, wherein the shaped non-planar surface further comprises:the partition having a first section and a second section, the first section positioned at an angle with respect to the second section. 9. An air distribution apparatus for a vehicle comprising:a housing having a plenum, an inlet for receiving air, an outlet for expelling air, and a length, width and height;a blower for directing air in a first flow direction to the inlet of the housing;means for dividing airflow through the plenum, dividing means dividing air received at the inlet into at least four discrete passages and expelled air into at least two discrete passages at the outlet; andmeans for selectively controlling an airflow through each passage;a heating element positioned in at least two of the at least four discrete passages for heating air;a partition separate from the housing, the partition mounted within the housing and extending horizontally across the plenum, extending the width and length of the housing, dividing the plenum into at least two vertically stacked sub-plenums, each sub-plenum defining a passage having generally parallel first flow directions with respect to one another and to the housing;an interior wall extending vertically across the plenum, extending the height of the housing and a predetermined width and length of the housing, the predetermined length less than the length of the housing, for dividing each of the sub-plenums into at least two horizontally stacked ducts, the wall positioned spaced adjacent from the inlet and engaged with the partition to form at least four discrete passages for airflow; anda shaped non-planar single wall surface defined by the partition for directing air flow from the at least two discrete passages at the outlet in a second generally parallel flow direction angularly disposed from the first generally parallel flow direction by an angle corresponding to a directional change of said housing. 10. The apparatus of claim 9 wherein the housing is modular, having a top portion and a bottom portion. 11. The apparatus of claim 9 wherein the housing is formed of plastic in a plastic molding process. 12. The apparatus of claim 9 wherein the controlling means further comprises:at least one valve movable between an open position and closed position for each of the at least four passages at the inlet. 13. The apparatus of claim 9 further comprising:a plurality of ducts for receiving the expelled air from the outlet, at least one duct for each of the at least two passages at the outlet, and for directing the expelled air to different positions within an interior of the vehicle. 14. The apparatus of claim 9, wherein the shaped non-planar surface further comprises:the partition having a first section and a second section, the first section positioned at an angle with respect to the second section.