patent · US6640794
Intake system for an internal combustion engine with a membrane preferentially permeable to oxygen molecules
4 November 2003
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
An intake system ( 13 ) for an internal combustion engine ( 12 ) which includes a housing ( 15 a ) with a filter insert ( 16 ) and a membrane ( 22 ) for separating nitrogen and enriching the combustion air with oxygen. The membrane is integrated into the filter housing so as to save construction space and provide a lower cost system. The membrane ( 22 ) can alternatively be arranged on the clean air side of the air filter insert ( 16 ) to prevent the membrane from being soi...
Provenance
- Collection
- Cited prior art
- Original PDF
- patentimages.storage.googleapis.com →
- Filed
- 2002-07-29
- Source
- Google Patents bibliographic record
- Granted
- 2003-11-04
- Inventors
- Olaf Weber; Filterwerk Mann and Hummel GmbH