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Solutions Sheet Busbar

Busbar Sealing

A better sealing solution for e-mobility engine efficiency.

As the use of oil-cooled electric engines in e-vehicles trends upwards, so does the demand on media-tight busbars within the power electronics of their inverters.

The market currently uses busbars punched out of copper or aluminum sheets, which are then bent to the required dimensions. The rectangular conductor cross-section resulting from stamping is not ideal for sealing with standard seals since the corners of the cross-section do not allow robust compression of the sealing material.

When it comes to busbar sealing, a media-tight interface between the oil-cooled e-engine and inverter is crucial to preventing oil leakage into the inverter and protecting sensitive power electronics.

A Groundbreaking Solution from Freudenberg

As the leader in the sealing solutions market, Freudenberg Sealing Technologies is developing a groundbreaking technology that provides a more sustainable, tight-seal solution, because the current offerings within the market aren’t cutting it.

Download our solutions sheet to learn more about this innovative busbar sealing solution and why it’s better than current busbar sealing offerings in the market.

Benefits at a Glance:

  • Media tight rectangular busbar interfaces
  • Total cost advantages for mass production through a simplified busbar geometry
  • Less assembly efforts through function integration
  • Media tightness under challenging operation conditions (e.g. in hybrid transmissions or e-axles)
  • Design freedom of busbar interface and complex geometries possible

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Solutions Sheet Busbar

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