Patent · US Active

Lubrication structure for engine

US7827942B2 · kind B2 · utility

1Cited by
0References
2Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 29, 2006
Grant dateNov 9, 2010
Priority date
Expiry dateNov 29, 2026

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF02F7/007
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

Disclosed is a lubrication structure for an engine comprising pistons 12 for slide motion in cylinders 11 of a V-type engine and lubricating means 13 and 14 for injection of oil to cool the pistons 12. The lubricating means 13 or 14 being arranged on an anti-thrust load side of each of the cylinders 11 with respect to a sliding surface for the piston 12, a notch of each of the pistons 12 required for said lubricating means 13 and 14 being formed on the anti-thrust load side of the cylinder 11 so as to increase strength of the cylinders 11 and pistons 12.

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