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  2. Roots blower - Wikipedia

    en.wikipedia.org/wiki/Roots_blower

    An Eaton M62 Roots-type supercharger is visible at the front of this Ecotec LSJ engine in a 2006 Saturn Ion Red Line.. The Roots-type blower is simple and widely used. It can be more effective than alternative superchargers at developing positive intake manifold pressure (i.e., above atmospheric pressure) at low engine speeds, making it a popular choice for passenger automobile applications.

  3. Roots Blower Company - Wikipedia

    en.wikipedia.org/wiki/Roots_Blower_Company

    In 1875, Roots exhibited a blower at the Saint Petersburg Exhibition; Thwaites and Carbutt exhibited a Roots principle "air blowing machine" for mine ventilation in the same exhibition. [ 6 ] In 1885, Edgar Dwight Johnston joined the firm of 30 people; he became vice president in 1889 and president in 1898, remaining so until at least 1931.

  4. Wade supercharger - Wikipedia

    en.wikipedia.org/wiki/Wade_supercharger

    The Roots supercharger dates back to the 1860s, and this is the basis for the original Wade supercharger, but with patented modifications incorporated. The first patent of Costin and Densham deals with ways to achieve compression within the Roots-style blower. [ 2 ]

  5. EMD 567 - Wikipedia

    en.wikipedia.org/wiki/EMD_567

    The blowers and camshafts are at the "rear" end of the engine, with the blowers mounted above the power take off. [8] All engines have mechanically-controlled unit injectors (patented in 1934 by General Motors, EMD's former owner). All 567 engines utilize forced induction, with either a Roots blower or a turbocharger. The turbocharger (a ...

  6. Roots-type blower - Wikipedia

    en.wikipedia.org/?title=Roots-type_blower&...

    Download as PDF; Printable version; From Wikipedia, the free encyclopedia. Redirect page. Redirect to: Roots blower; This page is a ...

  7. Rotary-screw compressor - Wikipedia

    en.wikipedia.org/wiki/Rotary-screw_compressor

    The term "blower" is applied to rotary screw, roots-type, and centrifugal compressors when utilized as part of an automotive forced induction system. The term 'cabin blower' is also used for the pressurisation of aircraft for high altitude flight, which used Roots type compressors particularly in the 1950s (see Marshall supercharger).

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  9. Exhaust pulse pressure charging - Wikipedia

    en.wikipedia.org/wiki/Exhaust_pulse_pressure...

    The engine usually has a Roots blower to provide air for scavenging and this is arranged to deliver excess air so that air follows the exhaust gases into the exhaust manifold. Some of this air is then forced back into the cylinder by a rise in pressure in the exhaust manifold resulting from the exhaust pulse from another cylinder.