Biasing air suspension system for a trailer

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8720938
APP PUB NO 20130140784A1
SERIAL NO

13662958

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Importance

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Abstract

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An air suspension system of a tandem axle assembly for a trailer includes a front axle air spring configured to be coupled to a front axle assembly of the tandem axle assembly and a rear axle air spring configured to be coupled to a rear axle assembly of the tandem axle assembly. The air suspension system further includes an air reservoir in fluid communication with the front axle air spring and the rear axle air spring and a ratio valve in fluid communication with the air reservoir, the front axle air spring, and the rear axle air spring. The ratio valve is positioned between the air reservoir and the front axle air spring. Further, the ratio valve is selectively operable to send a lesser amount of air from the air reservoir to the front axle air spring than to the rear axle air spring.

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Patent Owner(s)

Patent OwnerAddress
WABASH NATIONAL L P1000 SAGAMORE PARKWAY S LAFAYETTE IN 47905

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ehrlich, Rodney P Monticello, US 99 2331

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