Secondary air supply device
US6306190A · kind A · utility
9Cited by
9References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 8, 1999 |
| Grant date | Oct 23, 2001 |
| Priority date | — |
| Expiry date | Sep 8, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S55/28
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An air cleaning system for an engine includes a main air cleaner for supplying cleaned air to an intake system of the engine and a sub-air cleaner for supplying cleaned air to an exhaust system of the engine. The main air cleaner includes a main air cleaner housing divided into a dirty air chamber and a clean air chamber by a first air cleaning element. The sub-air cleaner is disposed in the dirty air chamber, and has its own second air cleaning element, physically separated from the first air cleaning element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.