Cooling apparatus for auxiliary fuel tank in outboard motor
CA 2247792 C · Owner: Tsunoda, Masaki · Inventors: Shidara, Sadafumi; Wada, Tetsu; Tsunoda, Masaki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An outboard motor includes an engine which is tiltable from a first position to a second position, and a drive mechanism connected to the engine for driving a propeller. When the engine is in the second position the, drive means is tilted upward. An auxiliary fuel tank is connected to the engine for storing fuel returning from a fuel injection valve side of the engine. A high-pressure fuel pump is connected to the engine and the auxiliary fuel tank for pumping fuel from the auxiliary fuel tank to the fuel injection valve side of the engine. A water jacket is connected to the auxiliary fuel tank for, cooling the fuel which is stored in the auxiliary fuel tank. A water pump is driven by the …
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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 September 22, 1998 and granted December 2, 2003. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 22, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 22, 2020.
- 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
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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.