Automotive air conditioning system
AssigneeDenso Corporation
InventorAkira Masatsugu
Life of this patent
Estimating the term…
Abstract
An automotive air conditioning system is disclosed. At the foot mode position of a rotary door 25, a gap T is formed along the door diameter between a circumferential end of a door surface 25c of the rotary door 25 and a seal rib 28 of a case 11. The flow path of a foot opening 22 communicates with a defroster opening 20 through the gap T. At the defroster mode position of the rotary door 25, on the other hand, the other circumferential end of the door surface 25c comes into contact with the seal rib 28 and closes the gap T, and the door surface 25c closes up the foot opening 22. Even upon slight rotation of the foot rotary door under the air pressure of the foot mode, therefore, the defroster blowout air amount and the foot blowout air amount are kept in a predetermined proportion.
Claims7
An automotive air conditioning system comprising:
- a case forming an air path in which the air flows toward the interior of the compartments;
- a heating heat exchanger arranged in the case for heating the air;
- a defroster opening and a foot opening arranged downstream of the heating heat exchanger in the air flow in the case;
- and
- a blowout mode switching rotary door for opening/closing the defroster opening and the foot opening;
- wherein the rotary door includes rotary shafts and a door surface adapted to rotate integrally with each of the rotary shafts at a position a predetermined amount diametrically outward from the center of the rotary shaft,
- wherein the case is formed with a seal rib forming an opening edge portion of the foot opening,
- wherein, upon rotation of the rotary door to the foot mode position to open the foot opening, a gap along the door diameter is formed between one circumferential end of the door surface and the seal rib, and the flow path of the foot opening communicates with the defroster opening through the gap, and
- wherein, upon rotation of the rotary door to the defroster mode position to open the defroster opening, the other circumferential end portion of the door surface comes into contact with the seal rib and closes the gap so that the door surface closes up the foot opening.
Dependencies are inferred from the claim text.