"carnotto" & "s-a-v-e"
CA 2124092 A1 · Owner: Short, Frederick James Harold · Inventors: Short, Frederick James Harold
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention relates to a heat engine which I claim functions more efficiently thermally than conventional heat engines operating currently,especially the 4 stroke "OTTO" cycle heat engines that operate well below CARNOT's max efficiency level.It is necessary to highlight certain events of a typical 4 stroke "OTTO" cycle heat engine, in order to indicate how my invention improves overall efficiency. As an example using an engine having a compression ratio which multiplys it's original charge to 200psi at which moment if, at an optimum temperature of 500°Kelvin containing an optimum, volume of gaseous fuel activated to erupt and form a, combustion reaction with an increase of mole products …
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
- Filed May 5, 1994. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 5, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 5, 2016.
- 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.