Pre-compressing apparatus for internal combustion engines
CA 1210937 A · Owner: Haiman, John J. · Inventors: Haiman, John J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention relates to apparatus that compresses the combustion air, or the air-fuel mixture prior to being, admitted to the combustion chambers of internal combustion engines. The invention is applicable to engines having multiple combustion chambers. The pre-compression is currently practised as an option in piston-type engines by means of supercharging compressors; whereas in dual-shaft gas turbines - being indispensable - it is achieved by the gasifier charging compressors. Both types of compressors are driven by turbines utilizing a partial expansion of the whole volume of burnt gases produced in the engine. The main feature of the invention is that only a fraction of the total …
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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 September 9, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 9, 2003.
- 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.