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Air dryer reservoir module components

  • US 6,074,462 A
  • Filed: 02/25/1998
  • Issued: 06/13/2000
  • Est. Priority Date: 12/18/1997
  • Status: Expired due to Term
First Claim
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1. An air supply system for a heavy motor vehicle brake system comprising:

  • a compressor for supplying compressed air;

    an air dryer connected to receive compressed air from said air compressor including a desiccant bed through which the compressed air can flow to provide a clean and dry compressed air source for operating the brake system;

    a secondary reservoir;

    a housing connecting said air dryer and said secondary reservoir together as a unitary module;

    a primary reservoir located away from said secondary reservoir;

    control components disposed in said housing for controlling air flow from said air compressor through said air dryer for charging said primary reservoir and said secondary reservoir with compressed air;

    a purge volume formed integral with said secondary reservoir; and

    ,said control components also control air flow from said purge volume through said air dryer desiccant bed to atmosphere to purge said air dryer.

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