Patent · US Expired

Variable camshaft assembly

US6725818B2 · kind B2 · utility

26Cited by
11References
11Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 16, 2002
Grant dateApr 27, 2004
Priority date
Expiry dateMay 16, 2022

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/49293
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A variable camshaft assembly has a first cams 18a, 18b that can be moved relative to a second cam 16. The assembly comprising a tube 14 fast in rotation with the first cam 18 and rotatably supporting the second cam 16 and a drive shaft 12 disposed within the tube 14 and coupled for rotation with the second cam 16 by means of a connecting pin 20 that passes with clearance through a hole 24 in the tube 14. The connecting pin is a hollow pin 20 that is a sliding fit in the second cam 16 and that is expanded in situ to form an interference with the drive shaft 12.

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