Patent · US Active

Mix box

US10626773B2 · kind B2 · utility

0Cited by

3References

21Claims

0Family size

Assignee

Tenneco GmbH · DE

Inventors

Joachim Gehrlein · Rheinzabern, DE
Frank Terres · Frankeneck, DE
Andreas Lang · Ettringen, DE
Gert Muller · Munich, DE

Key dates

Filing date	Mar 4, 2016
Grant date	Apr 21, 2020
Priority date	—
Expiry date	Nov 13, 2036

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF01N2610/02
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A mix box for an exhaust system of an internal combustion engine, the mix box being used to incorporate additives into an exhaust gas flow and including at least one inlet tube, at least one outlet tube and a housing for accommodating the inlet tube and the outlet tube, wherein: the housing delimits a volume of the mix box in relation to the surroundings; the inlet tube has an inflow section located inside the housing, which inflow section is provided with at least one inflow opening for introducing the exhaust gas into the housing; the outlet tube has a metering device designed as an injection nozzle at the end of the outlet tube and has an outflow section located inside the housing, which outflow section has a length (La) and is provided with at least one outflow opening for discharging the exhaust gas from the housing; a flow zone is provided between the inlet tube and the outlet tube and the flow zone, over at least 30% of its length (La), is free of flow guiding elements which deflect the flow in a circumferential direction and which have an outer face and an inner face inside the volume.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.