Patent ID: 6609563
Filing Date: 2003-08-26
Classification: B60H

Abstract:
An air conditioning apparatus for an automotive vehicle, said air conditioning apparatus comprising:a case having an opening formed at a side wall of said case, said opening configured to permit installation therethrough of a preassembled mix door assembly; a heater core installed in said case; and said mix door assembly adapted to be detachably installed in said case through the opening, said mix door assembly adapted to vary a ratio of a quantity of air passing through said heater core to a quantity of air bypassing said heater core, said mix door assembly comprising: a housing, a mix door installed in the housing, and a slide mechanism installed in the housing, the slide mechanism receiving a rotational force and sliding the mix door with respect to the housing according to the received rotational force to vary the ratio wherein the slide mechanism of said slide door assembly includes a pinion gear whose center is coaxially connected to a rotational axis of a driving device, and a rack formed on the mix door, the pinion gear being engaged with the rack, and wherein an opening is formed in a side wall of the housing, the pinion gear and the shaft connected with the pinion gear being inserted into the housing through the opening, and the opening being closed by a case of the driving device.