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Multiple path fluid flow architecture for transmission cooling and lubrication

  • US 20070000728A1
  • Filed: 06/30/2005
  • Published: 01/04/2007
  • Est. Priority Date: 06/30/2005
  • Status: Abandoned Application
First Claim
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1. A transmission cooling and lubrication system comprising:

  • a cooler channel adapted to transmit transmission fluid therethrough such that the heat generated by the transmission during the operation thereof is absorbed by the transmission fluid to cool the transmission;

    a first path in fluid communication with said cooler channel wherein said first path is adapted to receive a first portion of the transmission fluid exiting from the cooler channel;

    a lubrication channel in fluid communication with said first path wherein said lubrication channel is adapted to receive said first portion of the transmission fluid to lubricate the transmission; and

    a second path in fluid communication with said cooler channel wherein said second path is adapted to receive a second portion of the transmission fluid exiting from the cooler channel;

    wherein a first flow rate of transmission fluid provided through said cooler channel to cool the transmission is greater than a second flow rate of transmission fluid provided through said lubrication channel to lubricate the transmission such that a cooling capacity of the transmission cooling and lubrication system is increased without reducing the efficiency of the transmission.

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