Patent · US Expired

Four stroke engine with valve train arrangement

US6390869B2 · kind B2 · utility

23Cited by

58References

46Claims

0Family size

Assignee

Bombardier-Rotax GmbH · AT

Inventors

Norbert Korenjak · Stadl-Paura, AT
Rudolf Tscherne · Spengenedt, AT
Alois Wolfsgruber · Gmunden, AT
Rudolf Kusel · Wels, AT

Key dates

Filing date	Feb 28, 2001
Grant date	May 21, 2002
Priority date	—
Expiry date	Feb 28, 2021

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02T10/12
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A four stroke internal combustion engine includes a cylinder head having a valve train having reduced profile that permits access to a spark plug assembly located therein.

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