Pumping station for a pipeline and method for starting a combustion engine in a pumping station
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United States of America Patent
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Mar 2, 2021
Grant Date -
Jun 20, 2019
app pub date -
Jul 24, 2017
filing date -
Aug 23, 2016
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Abstract
A pumping station for a pipeline, in particular an oil or gas pipeline, has a feed pump for delivering a fluid through the pipeline and a combustion engine for driving the feed pump. A hydrostatic system has a hydraulic motor for driving the combustion engine, in order to accelerate same to start-up. The hydraulic system also has a hydraulic pressure accumulator of limited volume which can be filled with a pressurized hydraulic medium to be admitted to the first hydraulic motor, thereby powering the latter. A pressure differential in the hydrostatic system prevailing over the hydraulic motor is variably adjustable, in order to accelerate the combustion engine to a predefined firing speed.
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