Patent · US Expired

High octane lubricants for knock mitigation in flame propagation engines

US7262155B2 · kind B2 · utility

5Cited by
20References
36Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 12, 2004
Grant dateAug 28, 2007
Priority date
Expiry dateMay 12, 2024

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF02B1/12
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

This invention includes a lubricant composition comprising a base oil and one or more additives, wherein the composition has an elevated pressure auto ignition temperature of at least about 500 K. This invention also includes a lubricant composition comprising a base oil and one or more additives, wherein the composition has an octane number ((R+M)/2) of at least about 80. This invention also includes a lubricant composition for reducing the propensity of end gas knock in a flame propagation engine, comprising: a base oil and one or more additives, wherein the composition has an average boiling point in excess of 200° C.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.