ROTARY FEEDTHROUGH ASSEMBLY FOR A TIRE INFLATION SYSTEM

DRIVE August 23, 2017

Source

Rotary feedthrough assembly (100) for a tire inflation system for a vehicle, the assembly (100) comprising: a stationary part (2) comprising a first section (16a) of a main fluid line (16) and a first section (17a) of a pilot fluid line (17); a rotatable part (5) rotatably mounted on the stationary part and configured to support a pneumatic tire, the rotatable part (5) comprising a second section (16b) of the main fluid line (16) and a second section (17b) of the pilot fluid line (17); a first annular seal chamber (8) radially disposed between the stationary part (2) and the rotatable part (5), the first annular seal chamber (8) providing fluid communication between the first section (16a) of the main fluid line (16) and the second section (16b) of the main fluid line (16); a second annular seal chamber (3) radially disposed between the stationary part (2) and the rotatable part (5), the second annular seal chamber (3) providing fluid communication between the first section (17a) of the pilot fluid line (17) and the second section (17b) of the pilot fluid line (17); wherein the first annular seal chamber (8) and the second annular seal chamber (3) are located on radially opposing sides of the rotatable part (5).