Cooling water heater for internal combustion engines
CA 1316420 C · Owner: J. Eberspacher · Inventors: Langen, Herbert
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Arrangement for supplying heat to the cooling fluid of a combustion engine, with a heating apparatus which has a, combustion chamber for gaseous or for liquid fuel and with a, heat exchange device, with which heat generated by the heating apparatus can be transferred to the cooling fluid. The heating apparatus is connected on the outside of the engine block of the combustion engine in such a way, that the heat transfer from the hot combustion gases from the combustion chamber to the cooling water or fluid takes place through the outer wall of the engine block.
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 April 20, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 20, 2010.
- 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.