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  2. Crankcase ventilation system - Wikipedia

    en.wikipedia.org/wiki/Crankcase_ventilation_system

    A crankcase ventilation system (CVS) removes unwanted gases from the crankcase of an internal combustion engine. The system usually consists of a tube, a one-way valve and a vacuum source (such as the inlet manifold). The unwanted gases, called "blow-by", are gases from the combustion chamber which have leaked past the piston rings. Early ...

  3. Oil catch tank - Wikipedia

    en.wikipedia.org/wiki/Oil_Catch_Tank

    During normal operation of a car engine, some vapors from the cylinder pass by the piston rings and down into the crankcase. Without ventilation this can pressurize the crankcase and cause issues such as lack of piston ring sealing and damaged oil seals. To avoid this, manufacturers created a crankcase ventilation system. Originally this was ...

  4. Crankcase - Wikipedia

    en.wikipedia.org/wiki/Crankcase

    A crankcase is the housing in a piston engine that surrounds the crankshaft. In most modern engines, the crankcase is integrated into the engine block. Two-stroke engines typically use a crankcase-compression design, resulting in the fuel/air mixture passing through the crankcase before entering the cylinder(s). This design of the engine does ...

  5. Vehicle emissions control - Wikipedia

    en.wikipedia.org/wiki/Vehicle_emissions_control

    The first effort at controlling pollution from automobiles was the PCV (positive crankcase ventilation) system. This draws crankcase fumes heavy in unburned hydrocarbons – a precursor to photochemical smog – into the engine's intake tract so they are burned rather than released unburned from the crankcase into the atmosphere. Positive ...

  6. Hengst Automotive - Wikipedia

    en.wikipedia.org/wiki/Hengst_Automotive

    Hengst Automotive, based in Münster, North Rhine-Westphalia, Germany, is a company that specializes in fluid management, crankcase ventilation systems as well as filter systems for oil, fuel, air and cabin air filtration.

  7. BMW recalling more than 720,000 vehicles due to water pump issue

    www.aol.com/news/bmw-recalling-more-720-000...

    A shield will be also installed to divert any fluid that might drop down onto the pump from the positive crankcase ventilation system’s intake air house, the report said.

  8. Doctors Say This Is How You Can Loosen and Clear Mucus From ...

    www.aol.com/doctors-loosen-clear-mucus-chest...

    Here’s how to get rid of chest congestion medically and naturally, according to experts.

  9. Manifold vacuum - Wikipedia

    en.wikipedia.org/wiki/Manifold_vacuum

    Manifold vacuum, or engine vacuum in a petrol engine is the difference in air pressure between the engine's intake manifold and Earth's atmosphere.. Manifold vacuum is an effect of a piston's movement on the induction stroke and the airflow through a throttle in the intake manifold of an engine.

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