enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. Back-fire - Wikipedia

    en.wikipedia.org/wiki/Back-fire

    Exhaust system backfires occur in engines that have an emission system malfunction, like an air injection system diverter valve problem, an exhaust leak, or when the catalytic converter has been removed. In some high-performance vehicles, when a driver shifts up and lets off the accelerator, the engine has a moment of running rich. This causes ...

  3. Secondary air injection - Wikipedia

    en.wikipedia.org/wiki/Secondary_air_injection

    A sensitive reed valve assembly called the aspirator valve is placed in the air injection pumping, which draws its air directly from the clean side of the air filter. During engine idle, brief but periodic negative pressure pulses in the exhaust system draw air through the aspirator valve and into the exhaust stream at the catalytic converter.

  4. Viessmann - Wikipedia

    en.wikipedia.org/wiki/Viessmann

    Viessmann headquarters in Allendorf (Eder), Germany. The Viessmann Group is a German manufacturer of heating and refrigeration systems headquartered in Allendorf (Eder), Germany. With 22 production companies in 12 countries, distribution companies and representative offices in 74 countries and 120 sales offices throughout the world, Viessmann ...

  5. Desmodromic valve - Wikipedia

    en.wikipedia.org/wiki/Desmodromic_valve

    A desmodromic valve is a reciprocating engine poppet valve that is positively closed by a cam and leverage system, rather than by a more conventional spring. The valves in a typical four-stroke engine allow the air/fuel mixture into the cylinder at the beginning of the cycle and exhaust spent gases at the end of the cycle. In a conventional ...

  6. Who will win national championship game? Expert predictions ...

    www.aol.com/win-national-championship-game...

    Our college football experts talked Ohio State Buckeyes vs. Notre Dame Fighting Irish predictions and who will win the CFP national championship game.

  7. Blowoff valve - Wikipedia

    en.wikipedia.org/wiki/Blowoff_valve

    A blowoff valve is designed to release pressure in the intake system when the throttle is closed. A "recirculating" type blowoff valve releases the pressurised air back into the non-pressurized section of the intake (i.e. upstream of the turbocharger), while an "atmospheric venting" type blowoff valve dumps the air directly into the atmosphere.

  8. Why Does My Dog Bark at Nothing? A Trainer Explains the Truth

    www.aol.com/lifestyle/why-does-dog-bark-nothing...

    Announcing an Unmet Need. Some dogs may seem to bark for no reason, but we’ve got to give them some credit! Dogs have various needs, such as food, water, exercise, play, socialization, mental ...

  9. Downhole safety valve - Wikipedia

    en.wikipedia.org/wiki/Downhole_safety_valve

    This means that they are installed as a component of the completion string and run in during completion. Retrieving the valve, should it malfunction, requires a workover. The full name for this most common type of downhole safety valve is a Tubing Retrievable Surface Controlled Sub-Surface Valve, shortened in completion diagrams to TRSCSSV.