Use of a phosphorus compound as a non-corrosive extreme-pressure and Anti-wear additive in a lubricant for a propulsion system of an electric or hybrid vehicle

EP3990590B1Active Publication Date: 2025-02-12TOTALENERGIES ONETECH
View PDF 2 Cites 0 Cited by

Patent Information

Application Number
EP2020734043
Authority / Receiving Office
EP · EP
Patent Type
Patents
Current Assignee / Owner
Priority Date
2019-06-28
Filing Date
2020-06-25
Publication Date
2025-02-12
Estimated Expiration
2040-06-25

Smart Images

  • Figure IMGF0001
    Figure IMGF0001
  • Figure IMGB0001
    Figure IMGB0001
  • Figure IMGB0002
    Figure IMGB0002
Patent Text Reader

Abstract

The invention relates to the use of at least one phosphorus compound, which is free of sulfur and has no amine function, as an anti-wear and extreme-pressure additive in a lubricant composition for a propulsion system of an electric or hybrid vehicle. The invention also relates to the use of a lubricant composition comprising at least one phosphorus compound, which is free of sulfur and has no amine function, as an anti-wear and extreme-pressure additive, for lubricating and optionally cooling a propulsion system of an electric or hybrid vehicle, in particular for lubricating and cooling the electric motor and the power electronics of an electric or hybrid vehicle.
Need to check novelty before this filing date? Find Prior Art

Citation Information

Patent Citations

  • Lubricating oil composition

    EP2692841A1

  • Transmission oil composition for automobile

    EP1405897A1