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Breather device for power train of electric vehicle

  • US 20030098204A1
  • Filed: 08/12/2002
  • Published: 05/29/2003
  • Est. Priority Date: 11/27/2001
  • Status: Active Grant
First Claim
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1. A breather device for a power train of an electric vehicle including an electric motor and a gearbox connected to the electric motor, comprising:

  • a breather chamber provided above a connecting portion connecting an electric motor housing and a gearbox casing;

    a first breather passage providing a communication between the breather chamber and an inside of the electric motor housing; and

    a second breather passage providing a communication between the breather chamber and a lubricating oil separation chamber formed in the gearbox casing.

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