Patent · US Active

Hydraulic freewheel for an internal combustion engine with variable compression ratio

US9677469B2 · kind B2 · utility

5Cited by
1References
13Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 30, 2013
Grant dateJun 13, 2017
Priority date
Expiry dateJun 11, 2034

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16C2360/22
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A reciprocating-piston internal combustion engine having a hydraulic adjustment mechanism which is assigned to a connecting rod and which comprises at least one eccentric, for adjusting at least one variable compression ratio in at least one cylinder of the reciprocating-piston internal combustion engine by means of a change in an effective length of a connecting rod. Also proposed is a method for changing the effective length of a connecting rod.

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