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. 14, 2006
Filed:
May. 19, 2003
Keith T. Lawes, Poole, GB;
Keith T. Lawes, Poole, GB;
RCV Engines Limited, , GB;
Abstract
The invention relates to a valve seal mechanism for a rotatable valve assembly that provides a sealing function between a rotating first valve element and a fixed second valve element as used in a rotary cylinder valve engine. In one embodiment the seal mechansim comprises a substantially rigid sealing frame which surrounds and sealingly engages the periphery of the valve port of one of the cyclindrical valve elements and also sealingly engages a surface of the other cylindrical valve element. In another embodiment, the seal mechanism comprises a resiliently deflectable tubular element of variable diameter, the tubular element being mounted around a first valve element with an aperture of the tubular element being radially aligned with a valve port of the first valve element, the tubular element being biased radially outward of the first valve element.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile