patent · US6810661
Method and system for freeze protecting liquid NOx reductants for vehicle application
2 November 2004
Indexed reference — no copy held
This patent is cited by material in the archive, so it is indexed here by number, title and inventor. The archive holds no copy of its text.
Abstract
A method and system for freeze protecting liquid NO x reductants, preferably used in vehicle applications, wherein a liquid NO x reductant, carried onboard a vehicle exposed to cold weather conditions, is heated by existing thermal energy generated by fuel compression. The heated fuel heats a potentially frozen reductant and the liquid reductant is supplied to an exhaust gas pipe in front of a catalyst for reducing NO x on the surface of the catalyst and catalytically conv...
Provenance
- Collection
- Cited prior art
- Original PDF
- patentimages.storage.googleapis.com →
- Filed
- 2002-08-09
- Source
- Google Patents bibliographic record
- Granted
- 2004-11-02
- Inventors
- Christine Kay Lambert; Rolf Backes; Ford Global Technologies LLC