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US 2026/0035635 A1Published application
Electric vehicle grease
AssigneeVgp Ipco LLC
InventorsJacob Bonta, Lucas Tomko
Life of this patent
Estimating the term…
Abstract
A lubricating grease for electric vehicle applications includes thickener 6% by weight (wt. %) to 12 wt. %, lubricating oil 57 wt. % to 92.98 wt. %, and surface-active ester 1 wt. % to 10 wt. %. The lubricating grease also includes additives including friction reducer and modifier 0.1 wt. % to 5 wt. %, anti-wear agent 0.1 wt. % to 5 wt. %, and a balance of extreme pressure agent, oxidation inhibitor, and corrosion inhibitor.
Claims18
-20. (canceled)
A lubricating grease for electric vehicle applications comprising:
- a thickener in a range of 6% by weight (wt. %) to 12 wt. %;
- a lubricating oil in a range of 57 wt. % to 92.98 wt. %;
- a surface-active ester in a range of 1 wt. % to 10 wt. %, the surface-active ester comprising a synthetic copolymer of alpha-olefins and dicarboxylic acids esterified with short to medium chain alcohols comprising about 3 to 12 carbon atoms, wherein the surface-active ester is an oil with a carbon backbone with two distinct side chains, the first side chain is hydrophobic, and the second side chain is polar;
- and
- additives comprising:
- a friction reducer and modifier in a range of 0.1 wt. % to 5 wt. %;
- an anti-wear agent in a range of 0.1 wt. % to 5 wt. %;
- and
- a balance of extreme pressure agent, an oxidation inhibitor, and a corrosion inhibitor, wherein the lubricating grease has a bulk KV 40 of about or less than 10 cSt and a bulk KV 100 of about or less than 2 cSt.
6 more elements
A method of lubricating components in an electric vehicle, comprising
- applying a lubricating grease in the components in the electric vehicle, wherein the lubricating grease comprises:
- a thickener in a range of 6% by weight (wt. %) to 12 wt. %;
- a lubricating oil in a range of 57 wt. % to 92.98 wt. %;
- a surface-active ester in a range of 1 wt. % to 10 wt. %, the surface-active ester comprising a synthetic copolymer of alpha-olefins and dicarboxylic acids esterified with short to medium chain alcohols comprising about 3 to 12 carbon atoms, wherein the surface-active ester is an oil with a carbon backbone with two distinct side chains, the first side chain is hydrophobic, and the second side chain is polar;
- and
- additives comprising:
- a friction reducer and modifier in a range of 0.1 wt. % to 5 wt. %;
- an anti-wear agent in a range of 0.1 wt. % to 5 wt. %;
- and
- a balance of extreme pressure agent, an oxidation inhibitor, and a corrosion inhibitor,
- wherein the lubricating grease has a bulk KV 40 of about or less than 10 cSt and a bulk KV 100 of about or less than 2 cSt.
8 more elements
Dependencies are inferred from the claim text.