Patent · US Expired

Two-stroke internal combustion engine

US6135071A · kind A · utility

4Cited by
6References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 4, 1998
Grant dateOct 24, 2000
Priority date
Expiry dateFeb 4, 2018

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF02B2075/025
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A two-stroke internal combustion engine having a crankcase provided with a crank chamber, a suction port which opens to the crank chamber, a scavenging passage opening into the crank chamber, and a crankshaft is provided with a flow control surface formed on an inner peripheral wall portion of the crank chamber which is capable of retarding the flow rate of unatomized raw fuel and which extends from the vicinity of the suction port to the vicinity of the scavenging passage. The flow control surface is comprised of a large number of intersecting unit ribs.

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