Protective device for a mass flow sensor disposed in an air intake channel
US6705159B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 5, 2002 |
| Grant date | Mar 16, 2004 |
| Priority date | — |
| Expiry date | Jun 5, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01F15/12
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Known devices for measuring the mass of a flowing medium can be impaired in their measurement precision by fluid components carried along in the medium. The device according to the invention has a ricochet body, which is disposed upstream of the measuring element and is at least partially encompassed by an outer ring, where the outer ring constitutes a section inside the outer ring that tapers in the flow direction in order to deflect fluid components, which are carried along in the flow, away from the measuring element by means of the ricochet body. The device is useful for measuring the mass of a flowing medium, in particular for measuring the intake air mass of internal combustion engines.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.