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Control device for a vehicle air-conditioning system

  • US 5,735,338 A
  • Filed: 02/16/1995
  • Issued: 04/07/1998
  • Est. Priority Date: 02/22/1994
  • Status: Expired due to Fees
First Claim
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1. An air-conditioning system control device for conditioning air supplied to a passenger space of a vehicle, said device comprising:

  • a fan having an outlet;

    a first conduit connected to the outlet of the fan, said first conduit containing at least one heat releasing component and having an outlet at its downstream extent in the direction of air flow;

    an opening in said first conduit downstream in the direction of air flow from said at least one heat releasing component, said opening communicating with the exterior of both said device and said passenger space;

    a first valve in said first conduit for selectively directing air flow out of said opening while blocking air flow to said passenger space, or blocking air flow through said opening while permitting air flow to said passenger space;

    a second conduit connected in parallel with said first conduit to the outlet of said fan, said second conduit having an outlet at its downstream extent in the direction of air flow and a second valve for at least partially blocking air flow through said second conduit;

    a common distributer disposed downstream of the outlets of the first and second conduits for selectively directing air from the outlets of the first and second conduits toward an upper part and a lower part of said passenger space;

    said fan, said at least one heat releasing component, the first and second conduits, the first and second valves and said common distributer being grouped together in a single apparatus which may be installed and removed in a single piece.

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