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Canadian application, no grantCanada

External combustion rotary piston engine

CA 2552819 A1 · Owner: Revolution Engine Corporation · Inventors: Conners, James M.

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

An engine (400) is disclosed and comprises: a compressor (428) which periodically defines a chamber and carries out a pressurization process wherein the chamber volume is decreased to produce pressurized air; a combuster (426) which combusts fuel with the pressurized air to produce primary exhaust; an air motor (408) which is driven by the primary exhaust to produce power and secondary exhaust; an expander (410) which expands the secondary exhaust to produce tertiary exhaust and power; and a shaft (314) which directs power produced by the motor (408) and the expander (410) to the compressor (428) and any load. The combuster (426) is adapted to receive varying amounts of fuel, …

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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

  • Filed December 30, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 30, 2023.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 30, 2025.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 30, 2003
GrantedNo grant recorded
Term endedDecember 30, 2023
Patent numberCA 2552819 A1
Classification (IPC)F01C1/20 +2 more

Timeline

Timeline From CIPO dates

2004200620082010201220142016201820202022Application filedDec 30, 2003Term endedDec 30, 2023

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.