Invention Grant
- Patent Title: Method for diagnosing a quality signal, control device, control device program and control device program product
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Application No.: US15844844Application Date: 2017-12-18
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Publication No.: US10458304B2Publication Date: 2019-10-29
- Inventor: Jan Michl Hofmann , Reinold Weinmann
- Applicant: Robert Bosch GmbH
- Applicant Address: DE Stuttgart
- Assignee: Robert Bosch GmbH
- Current Assignee: Robert Bosch GmbH
- Current Assignee Address: DE Stuttgart
- Agency: Michael Best & Friedrich LLP
- Priority: DE102016225756 20161221
- Main IPC: F01N11/00
- IPC: F01N11/00 ; F01N3/20
Abstract:
A method for diagnosing a quality signal (26). The quality signal (26) is provided by a quality sensor (24) used in a reagent metering system (10). The reagent metering system (10) meters a urea/water solution (14) stored in a tank (12), the quality of which is checked by the quality sensor (24), upstream of an SCR catalytic converter (20).
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