Patent ID: 7503383
Filing Date: 2009-03-17
Classification: B60H

Abstract:
1. An automotive air conditioning system comprising: a primary blower disposed at a front part of a vehicle having a passenger compartment constituted by a front-seat side space and a rear-seat side space; a primary case disposed in the front part of the vehicle in such a manner that air is caused to flow from one end to the other end thereof by means of the primary blower and having a lower opening which is opened at a lower portion of the primary case, the lower opening being formed in a bottom face of the primary case; an evaporator disposed in the primary case for cooling air that passes therethrough; a heating heat exchanger for heating air that passes therethrough disposed within the primary case downstream of the evaporator; a bypass passage within the primary case to allow air flow to bypass the heating heat exchanger disposed directly below the heating heat exchanger, the lower, opening being disposed directly below the bypass passage; a scroll case disposed below the primary case and having opened therein an outlet and an inlet connecting to the lower opening, the inlet being provided on an upper face of the scroll case; an centrifugal fan accommodated in the scroll case and having a rotating shaft which is oriented in a substantially vertical direction; a secondary blower having driving means for driving the centrifugal fan; and a rear seat duct connected to the outlet and communicating with the rear-seat side space.