- Patent Title: Delivery unit for a liquid additive with a temperature sensor, method for checking the operating state of a delivery unit and motor vehicle having a delivery unit
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Application No.: US14499416Application Date: 2014-09-29
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Publication No.: US09624810B2Publication Date: 2017-04-18
- Inventor: Finn Frederiksen , Georges Maguin , Cheikh Diouf , Sven Schepers , Jan Hodgson
- Applicant: EMITEC GESELLSCHAFT FUER EMISSIONSTECHNOLOGIE MBH
- Applicant Address: DE Lohmar
- Assignee: EMITEC Gesellschaft fuer Emissionstechnologie mbH
- Current Assignee: EMITEC Gesellschaft fuer Emissionstechnologie mbH
- Current Assignee Address: DE Lohmar
- Agent Laurence A. Greenberg; Werner H. Stemer; Ralph E. Locher
- Priority: DE102012006249 20120328
- Main IPC: F01N11/00
- IPC: F01N11/00 ; F01N3/20 ; G01J5/00 ; G01K13/02
Abstract:
A delivery unit for delivering a liquid additive in a motor vehicle, includes at least one temperature sensor for contactlessly measuring a temperature at least at one measurement point in the delivery unit. The temperature sensor and the measurement point have a spacing therebetween and a radiation channel which is free from fixtures is provided between the temperature sensor and the measurement point. A method for checking the operating state of a delivery unit and a motor vehicle having a delivery unit are also provided.
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