Method for operating an internal combustion engine having a multi-stage oil pump
A technology for internal combustion engines and oil pumps, which is applied in the lubrication of engines, pressure lubrication of lubrication pumps, lubrication pumps, etc.
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[0019] The present invention relates to an internal combustion engine, such as figure 1 As shown schematically in, the internal combustion engine has an engine block 10, an oil pump 12, and an engine oil circulation device 14 configured in particular for pressure circulation lubrication. The adjustable hydraulic components are connected to the engine oil circulation device 14 for pressure cycle lubrication, and the operating fluid of the hydraulic components necessary for its operation is provided by the engine oil of the engine oil circulation device 14. The adjustment of the fluid flow, that is, the engine oil flowing through the hydraulic components, is achieved by the electrical adjustment signal of the electronic control device 22. One such adjustable hydraulic component is a hydraulic camshaft adjuster 18 for adjusting a camshaft 16 with a hydraulic valve, which is configured as a solenoid valve, for example. In other words, the actuator for adjusting the camshaft is inte...
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