Rod guide system and method with multiple solenoid valve cartridges and multiple pressure regulated valve assemblies
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United States of America Patent
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Jan 30, 2018
Issued Date -
N/A
app pub date -
Jun 12, 2015
filing date -
Mar 15, 2013
priority date (Note) -
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Abstract
The present disclosure relates to a shock absorber having a pressure tube forming a pressure chamber. A piston rod is disposed within the pressure chamber. A reserve tube defines a reserve chamber adjacent the pressure tube. A rod guide assembly is concentrically disposed about the piston rod and the pressure chamber and houses a plurality of digital valves. Each one of the digital valves includes a component which is moveable between an open state and a closed state, and thus helps to control a fluid flow between the pressure chamber and the reserve chamber. An electronic control system is disposed on a printed circuit board assembly (PCBA) and controls actuation of the digital valves. At least one additional valve is associated with one of the digital valves for further controlling a flow of fluid between the pressure chamber and the reserve chamber.
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