Hydraulic trailer brake circuit for adjustable gain and improved stability
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United States of America Patent
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Jan 8, 2019
Grant Date -
Feb 1, 2018
app pub date -
Jul 28, 2016
filing date -
Jul 28, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
A braking system of a work machine includes a pressurized fluid supply, a base valve fluidly coupled to the supply, a proportional control valve fluidly coupled to the supply, and a fluid output configured to be fluidly coupled to a braking system of a trailer. A first fluid path is selectively fluidly coupling the supply to the fluid output via the base valve, and a second fluid path is selectively fluidly coupling the supply to the fluid output via the proportional control valve. The base valve includes a predefined fixed gain and the proportional control valve includes an adjustable ratio.
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