Patent · US Active

Variable valve lift apparatus

US7784439B2 · kind B2 · utility

0Cited by
2References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 28, 2007
Grant dateAug 31, 2010
Priority date
Expiry dateNov 24, 2028

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF01L2307/00
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A variable valve lift apparatus according to an exemplary embodiment of the present invention may include an outer part, an inner part disposed in the outer part and connected to a valve, a latching part that is disposed in the outer part and selectively connects the outer part and the inner part, a camshaft supplying torque, a low lift cam that is configured to the camshaft and selectively supplies torque to the inner part, and a high lift cam that is configured to the camshaft and supplies torque to the outer part.

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