HVAC control system for an automobile

  • US 6,304,803 B1
  • Filed: 09/22/1999
  • Issued: 10/16/2001
  • Est. Priority Date: 09/22/1999
  • Status: Expired due to Fees
First Claim
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1. A control system for an automobile heating, ventilation, and air conditioning (HVAC) system, said HVAC system comprising a front HVAC system and a rear HVAC system, comprising:

  • a rear control system having a plurality of switches for manually controlling operation of the rear system;

    a front control system having a plurality of switches for manually controlling operation of the front system and for selectively manually controlling operation of said rear system;

    a microprocessor that is operable to transmit control information from said front control system to said rear control system;

    a control switch that selectively enables said rear control system switches such that, when said control switch is in a first position, said rear control system switches control operation of said rear system and said control information from said microprocessor is ignored and, when said control switch is in a second position, said rear system is manually controlled by said front control system switches in accordance with said control information supplied from said microprocessor.

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