High-pressure fuel pump
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United States of America Patent
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Dec 8, 2020
Grant Date -
Jan 24, 2019
app pub date -
Dec 19, 2016
filing date -
Jan 8, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
The present disclosure relates to pumps. Various embodiments may include a high-pressure fuel pump with: a low-pressure region with a low-pressure damper for damping pressure pulsations that occur during the operation of the high-pressure fuel pump; a damper capsule contained in the damper volume; and a spiral spring enclosed in the damper volume for imparting a preload force to at least a region of the damper capsule. The low-pressure damper has a damper volume. The damper capsule has a gas volume enclosed between two membranes.
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