Heat exchanger
CA 1302811 C · Owner: Universal Diesel Products Inc. · Inventors: Bridgeman, Gordon
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A fuel pre-heater is used for heating the fuel for internal combustion engines, especially diesel engines. The pre-heater has an elongate cylindrical outer container housing an inner, concentric tube so as to provide an annular chamber between the two. A fuel tube formed into, a coil extends the length of the annular chamber with its, inlet and outlet exiting through the ends of the container. Heating medium inlet and outlet nipples for the container are arranged tangentially, at opposites ends of the container and oriented in opposite directions. The heating medium inlet and outlet are connected into the coolant system of the internal combustion engine while the fuel inlet and outlet are …
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 June 9, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 9, 2009.
- 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.