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Low modulus belt for automotive applications

  • US 6,832,968 B2
  • Filed: 05/03/2001
  • Issued: 12/21/2004
  • Est. Priority Date: 05/03/2001
  • Status: Expired due to Term
First Claim
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1. A multiple-pulley accessory drive system for an automobile, comprising:

  • a drive pulley driven by an automobile engine;

    at least one accessory pulley operatively coupled to an accessory drive shaft, the drive pulley and accessory pulley having a nominal drive length therebetween; and

    an endless drive belt engaged between the drive pulley and the accessory pulley, the drive belt including an endless band of rubber composite material having a plurality of circumferentially extending and axially aligned cords formed therewithin;

    wherein the endless drive belt has a tensile modulus in the range of approximately 7000 N/mm/mm (1575 lbf/in/in) to approximately 10,000 N/mm/mm (2250 lbf/in/in).

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