Diesel engine secondary fuel injection system
CA 1292920 C · Owner: Fehr, William A. · Inventors: Buck, Brian G.; Fehr, William A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of operating a diesel engine. Diesel fuel is controllably injected into the engine. An engine performance parameter such as turbo-charger boost pressure fuel pressure in, the diesel fuel injector galleries or air intake manifold, pressure, or a combination of such parameters is monitored. A, secondary fuel such as propane is injected into the engine in an amount which varies as a function of the monitored parameter(s).
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 December 10, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 10, 2008.
- 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.