Invention Grant
- Patent Title: Metering valve assembly and method for operating a metering valve assembly
- Patent Title (中): 计量阀组件和操作计量阀组件的方法
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Application No.: US11630477Application Date: 2005-04-01
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Publication No.: US07937932B2Publication Date: 2011-05-10
- Inventor: Bernhard Hager , Michael Offenhuber , Franz Lackner , Johann Siller , Leopold Bernegger
- Applicant: Bernhard Hager , Michael Offenhuber , Franz Lackner , Johann Siller , Leopold Bernegger
- Applicant Address: DE Stuttgart
- Assignee: Robert Bosch GmbH
- Current Assignee: Robert Bosch GmbH
- Current Assignee Address: DE Stuttgart
- Agent Ronald E. Greigg
- Priority: DE102004030441 20040624
- International Application: PCT/EP2005/051476 WO 20050401
- International Announcement: WO2006/000477 WO 20060105
- Main IPC: F01N3/00
- IPC: F01N3/00
Abstract:
A metering valve assembly having a metering valve for metering an aqueous urea solution for posttreatment of exhaust gases from internal combustion engines, the liquid being capable of being fed in a feeding direction to the metering valve and a mixing chamber being provided, in which the liquid is miscible with a gas in a gas flow. The metering valve is evacuatable contrary to the feeding direction.
Public/Granted literature
- US20090126348A1 Metering Valve Assembly and Method for Operating a Metering Valve Assembly Public/Granted day:2009-05-21
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