Rotary machine and thermal cycle
CA 2446833 A1 · Owner: Saddle Rock Technologies, Llc · Inventors: Duncan, Ronnie J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A rotary machine (40) having a housing (42) with rotary components within. The rotary machine (40) is configurable as an internal combustion rotary engine an external combustion rotary engine, a gas compressor a vacuum pump, a , liquid pump, a drive turbine or a drive turbine for expandable gases or pressurized liquids. The combustion engine employs a new thermal cycleeliminating the Otto cycle's internal compression of the combustion products as part of the cycle. The new combustion thermal cycle is intake expansion , and exhaust.
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 7, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 7, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 7, 2024.
- 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.