The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 24, 2009
Filed:
Aug. 31, 2005
Anthony Bruce Wallis, Gladesville, AU;
Andrew Donald Thomas, North Epping, AU;
Anthony Bruce Wallis, Gladesville, AU;
Andrew Donald Thomas, North Epping, AU;
Bishop Innovation Limited, North Ryde, New South Wales, AU;
Abstract
An axial flow rotary valve () for an internal combustion engine comprising a cylinder head () having a bore in which an axial flow rotary valve () rotates. The valve having a cylindrical centre portion (), and an inlet and an exhaust port () terminating as openings () in the centre portion, the openings periodically communicating with a combustion chamber () through a window () in the bore. The clearance between the centre portion and the bore being sealed by an array of floating seals comprising at least two axial seals () spaced apart on opposite sides of the window. The assembly further comprising at least one floating axially extending masking seal () being disposed outside the window and circumferentially remote from the axial seals.