Exhaust passage having first and second catalysts
US10030557B2 · kind B2 · utility
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16Claims
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Key dates
| Filing date | Nov 14, 2016 |
| Grant date | Jul 24, 2018 |
| Priority date | — |
| Expiry date | Nov 14, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/40
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
Methods and systems are provided for at least one catalyst and an oxygen filter. In one example, a method may include filtering oxygen through the oxygen filter and flowing oxygen poor exhaust gas to a catalyst.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.