Patent · US Expired

Gas and oil sealing in a rotary valve

US7401587B2 · kind B2 · utility

3Cited by
11References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 31, 2005
Grant dateJul 22, 2008
Priority date
Expiry dateAug 31, 2025

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF01L2820/01
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A sealing system for an axial flow rotary valve internal combustion engine comprising an array of floating gas seals and an optional oil sealing system. The array of floating seals surrounding a window (15) in the bore (11) of the cylinder head (10) through which the ports (2, 3) of the valve (1) communicate with a combustion chamber (31). The array of floating seals comprising axial seals (16) and circumferential seals (17) housed in slots (18, 19) in the bore of the cylinder head wherein the circumferential seals are disposed axially between the ends of the axial seals.

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