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  2. Vacuum cleaner - Wikipedia

    en.wikipedia.org/wiki/Vacuum_cleaner

    A vacuum cleaner, also known simply as ... power based on the motor's power plus the rotational inertial energy stored the motor armature and centrifugal blower. A ...

  3. Grab This Expert-Approved Leaf Vacuum Before the Piles Get ...

    www.aol.com/grab-expert-approved-leaf-vacuum...

    Electric Leaf Vacuum. This isn't just a powerful leaf vacuum with a 250 mph airflow and a 400 cfm delivery power; it's also a leaf blower and mulcher.

  4. Leaf blower - Wikipedia

    en.wikipedia.org/wiki/Leaf_blower

    A leaf blower, commonly known as a blower, is a device that propels air out of a nozzle to move debris such as leaves and grass cuttings. Leaf blowers are powered by electric or gasoline motors . Gasoline models have traditionally been two-stroke engines , but four-stroke engines were recently introduced to partially address air pollution concerns.

  5. Vacuum pump - Wikipedia

    en.wikipedia.org/wiki/Vacuum_pump

    The Roots blower is one example of a vacuum pump. A vacuum pump is a type of pump device that draws gas particles from a sealed volume in order to leave behind a partial vacuum. The first vacuum pump was invented in 1650 by Otto von Guericke, and was preceded by the suction pump, which dates to antiquity. [1]

  6. Centrifugal fan - Wikipedia

    en.wikipedia.org/wiki/Centrifugal_fan

    Centrifugal fans often contain a ducted housing to direct outgoing air in a specific direction or across a heat sink; such a fan is also called a blower, blower fan, or squirrel-cage fan (because it looks like a hamster wheel). Tiny ones used in computers are sometimes called biscuit blowers. These fans move air from the rotating inlet of the ...

  7. States and towns consider banning gas-powered leaf blowers ...

    www.aol.com/news/states-towns-consider-banning...

    Gas blowers run from 80 to 90 decibels, versus 59 to 70 decibels for electric blowers, according to the website LeafScore. The environmental benefits of going electric are substantial.