Patent ID: 6074462
Filing Date: 2000-06-13
Classification: B01D,B60T,F15B,Y10S

Abstract:
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.