Patent · US Expired

Two-cycle engine

US5396867A · kind A · utility

8Cited by
6References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 20, 1993
Grant dateMar 14, 1995
Priority date
Expiry dateDec 20, 2013

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16N2230/02
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

Several embodiments of two cycle crankcase compression internal combustion engines that include an arrangement for cooling and lubricating the small end of the connecting rod, the piston pin and the head of the piston. These systems include an opening that is formed in the side or skirt of the piston and which is aligned with a corresponding opening in the cylinder during at least a portion of the stroke of the piston for delivering air and/or lubricant to the interior of the piston.

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