Rotary internal combustion engine
CA 1049413 A · Owner: Svenska Rotor Maskiner Aktiebolag · Inventors: Pamlin, Roland
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A rotary internal combustion engine comprising two intermeshing rotors provided with radially extending lobes and intervening grooves, the lobes of at least one of the rotors being provided with radially extending channels for supply and return of cooling liquid from and to respectively, axially extending central channels of the rotor said return, channels being interposed said supply channels and a heated surface portion of the lobes, and the temperature difference between the cooling liquid portions in the radially extending channels being utilized for circulating the liquid under the action of the centrifugal forces arising during rotation of the rotors.
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 February 27, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 27, 1996.
- 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.