Lubrication structure for engine
US7827942B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 29, 2006 |
| Grant date | Nov 9, 2010 |
| Priority date | — |
| Expiry date | Nov 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.