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Turbocharger seal for zero oil consumption and minimised blow-by

  • Industry
  • Sealings
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MTZ worldwide Aims and scope

Abstract

Turbocharging of gasoline and diesel engines plays an important part for downsizing to reduce CO2 emissions at a given engine power. As a part of Freudenberg, Burgmann Automotive has developed a gas-lubricated face seal for exhaust-gas turbochargers. This replaces the traditional sealing “piston ring”, as a non-contact, self-regulating sealing gap and pumps against the oil pressure and eliminates oil leckage. Thanks to the new seal, turbochargers do not have to be installed horizontally. Using the same functional principle, Burgmann Automotive in collaboration with Volkswagen developed a gas-lubricated sealing for crankshafts.

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Authors and Affiliations

  1. Burgmann Automotive GmbH, Wolfratshausen, Germany

    Clemens Simon (Employee) &  Peter Feigl (Employee)

  2. Burgmann Industries GmbH & Co. KG, Wolfratshausen, Germany

    Klaus Lang (Employee)

  3. Freudenberg Dichtungs- und Schwingungstechnik GmbH & Co. KG, Weinheim, Germany

    Eberhard Bock (Employee)

Authors
  1. Clemens Simon
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  2. Klaus Lang
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  3. Peter Feigl
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  4. Eberhard Bock
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Simon, C., Lang, K., Feigl, P. et al. Turbocharger seal for zero oil consumption and minimised blow-by. MTZ Worldw 71, 36–41 (2010). https://doi.org/10.1007/BF03227990

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  • DOI: https://doi.org/10.1007/BF03227990

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