moparnut
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FCA US has been awarded a patent, based on the work of Peter Nowak, for retaining hydraulic fluid in a variable valve lift system.
In fluid-activated valve lift systems, including (but not only) MultiAir, the fluid pressure tends to dissipate after the engine is shut off, causing a delay in operation when the driver restarts. This patent is designed to keep the pressure up,
Read the full story: Keeping the (valve lift) pressure up »
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In fluid-activated valve lift systems, including (but not only) MultiAir, the fluid pressure tends to dissipate after the engine is shut off, causing a delay in operation when the driver restarts. This patent is designed to keep the pressure up,
Read the full story: Keeping the (valve lift) pressure up »
More...