Engine with sealing head seat ring
CA 1290777 C · Owner: General Motors Corporation · Inventors: Koch, Julius F. Jr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, In a diesel engine having an angled cylinder bank with an individual cylinder head received on a sloping mounting surface over which return oil flows a, cylinder head wear ring or seat ring is provided to accept wear between the head mounting flange and the mounting surface. The seat ring is modified to incorporate around its outer periphery a seal having resilient beads that engage the opposed mounting and head flange surfaces to prevent oil from passing through the joint and entering the engine exhaust system.
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted October 15, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 15, 2008.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.