Pistonless pneumatic dampening and straight centering for a steerable axle of a heavy-duty vehicle
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United States of America Patent
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Aug 1, 2023
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N/A
app pub date -
Mar 3, 2021
filing date -
Mar 3, 2020
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Abstract
A suspension system for liftable steerable axles has at least one steering knuckle; at least one pistonless bellows air spring actuator (ie., damper air spring); and a steering axle structure that has, at each end, a kingpin housing boss, a kingpin fixed into the kingpin boss, and a pair of steering knuckles that rotate around the kingpin and are supported by the kingpin housing; wherein the steering knuckles are connected at the bottom of each other side to side by a tie rod assembly that respond to each others rotational inputs; and further having the damper air spring being connected to the steering knuckle so that, given a supplied pneumatic air force, the damper air spring stabilizes and dampens the steering road inputs when in motion.
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