Sensor for detecting the quality of a fluid
AssigneeRobert Bosch GmbH
InventorsMarkus Gloeckle, Andreas Fritsch
Life of this patent
Estimating the term…
Abstract
A device for measuring the quality of an operating substance and/or additive, in particular a reduction agent, stored in a tank, includes a reference container connected to the operating substance and/or the additive via a semi-permeable diaphragm, in which the reference container is filled with a medium which has a known osmotic pressure relative to the used operating substance and/or additive.
Claims12
1-11. (canceled)
A device for measuring a quality of an operating substance, additive and/or reduction agent, stored in a tank, comprising:
- a reference container connected to the operating substance, additive and/or reduction agent via a semi-permeable diaphragm,
- wherein the reference container is filled with a medium having a known osmotic pressure relative to the operating substance, additive and/or reduction agent.
A method for measuring a quality of an operating substance, additive and/or reduction agent, stored in a tank, comprising:
- performing a measurement using pressure and/or a pressure curve in a reference container, which is connected to the operating substance, additive and/or reduction agent via a semi-permeable diaphragm.
Dependencies are inferred from the claim text.