Working fluid circuit for a turbocharged engine having exhaust gas recirculation
CA 2430787 A1 · Owner: Crawford, Edward F. · Inventors: Crawford, Edward F.; Kennedy, Lawrence Charles
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The working fluid circuit of the present invention includes an exhaust gas passage, through which exhaust gas under pressure flows from the internal combustion engine, a charge, air passage, and a turbocharger . An exhaust gas recirculation passage extends between the, exhaust gas passage and the charge air passage but bypasses the turbocharger , and provides a path for recirculating a predetermined amount of exhaust gas into the charge air passage in such a, way that the exhaust gas and the charge air are mixed together. An intake passage provides, intake air to the internal combustion engine. A single charge air cooler is operatively, interconnected to and provides fluid …
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
- Filed June 2, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 2, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 2, 2025.
- 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.