Device for the termal regeneration of particle filters for diesel engine exhaust gas
CA 2078017 A1 · Owner: Eberspacher, J. · Inventors: Langen, Herbert
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A b s t r a c t, A device for the thermal regeneration of particle filters (10) for diesel engine exhaust gas comprising, (a) a burner (12) for heating the particle filter (10) during regeneration thereof;, (b) a means (20) for supplying combustion air to the burner (12); and, (c) a fuel pump means (30) for supplying fuel to the burner (12), c h a r a c t e r i z e d in (d) that the fuel pump means (30) is designed such that it delivers a fuel quantity per unit of time that is dependent on the speed and/or the load condition of the diesel engine (2) having the particle filter (10) associated therewith.
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 September 11, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 11, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 11, 2014.
- 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.