Invention Grant
- Patent Title: Method and device for determining an injection process of an injection appliance, and injection appliance for injecting fluid
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Application No.: US15598364Application Date: 2017-05-18
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Publication No.: US10532162B2Publication Date: 2020-01-14
- Inventor: Andreas Merz , Fabian Utermoehlen , Michael Stumber , Stefan Leidich
- Applicant: Robert Bosch GmbH
- Applicant Address: DE Stuttgart
- Assignee: Robert Bosch GmbH
- Current Assignee: Robert Bosch GmbH
- Current Assignee Address: DE Stuttgart
- Agency: Maginot, Moore & Beck LLP
- Priority: DE102016208635 20160519
- Main IPC: G01D5/20
- IPC: G01D5/20 ; A61M5/315 ; A61M5/28

Abstract:
A method for determining an injection process of an injection appliance includes injecting a fluid with the injection appliance and applying an electrical signal to at least one helical spring of the injection appliance coupled to a dosing wheel of the injection appliance. The method also comprises detecting an inductance value of the at least one helical spring. A number of windings of the at least one helical spring is dependent on a set rotation angle of the dosing wheel. The set rotation angle corresponds to a dose quantity of the fluid that is preselected for the injection process. The method moreover includes making available a determination signal representing the determined injection process, using the detected inductance value.
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