Patent ID: 6209971
Filing Date: 2001-04-03
Classification: B60T

Abstract:
A pneumatic three way valve for controlling air from a pressurized source to a brake chamber, the valve comprising:a valve body having a supply port in communication with a source, an exhaust port for exhausting air to atmosphere, and a delivery port in communication with a brake chamber;a supply valve disposed between the supply port and the delivery port for selectively providing pressurized air to the brake chamber;an exhaust valve for selectively connecting the delivery port to the exhaust port;first and second solenoid valve assemblies that regulate operation of the supply and exhaust valves in response to an antilock braking event, each solenoid valve assembly having a first end and a second end, the solenoid valve assemblies secured to the valve body so that only said first ends of each solenoid valve assembly can be exposed to pressurized air during operation of the three-way valve whereas said second ends of each solenoid valve assembly cannot be exposed to pressurized air during operation of the three-way valve.