Patent ID: 7918466
Filing Date: 2011-04-05
Classification: B60G

Abstract:
1. An air bag control for mounting in a space ( 52 ) between vertically spaced main vehicle parts ( 66 , 68 ) that are separated by air bags ( 16 ), to control the air pressure in at least one of the air bags so as to maintain it at a predetermined air bag height, wherein the control has a pressured air port ( 74 , 136 , 212 ) for receiving pressured air, an exhaust opening ( 76 , 206 , 216 ) for dumping pressured air into the environment, and an air bag port ( 80 , 138 , 214 ) that connects to the air bag, wherein said control includes first and second telescope members ( 82 , 106 , 132 , 142 , 224 , 230 ) with top and bottom ends that telescope one in the other to allow the increase and decrease in control height (A) between said ends, said control comprising a plurality of valves ( 98 , 111 , 161 , 175 , 263 , 267 ) in said control including a first valve ( 98 , 172 , 263 ) that allows the passage of air only from said pressured air port to said air bag port when the distance between said top and bottom ends decreases below a predetermined height, and a second valve ( 111 , 161 , 267 ) that allows the passage of air only from said air bag port to said exhaust opening when the distance between said top and bottom ends increases above said predetermined height characterized by; said first and second valves each comprises a valve seat (