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US 10,189,701 B2Granted
Sensor, filter element comprising a sensor and use of said type of filter element
AssigneeCarl Freudenberg KG
InventorsThomas Caesar, Renate Tapper, Steffen Heinz, Marco Neubert
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Abstract
A sensor has an electronic chip and a sensor chip which are arranged within a functional volume which is at the most 4-5 mm long, a maximum 2-3 mm wide, and with a maximum height of 0.5-0.8 mm, thereby provide a potentially economical filter element having a compact sensor.
Claims1
A filter element, comprising:
- a main part;
- and
- a sensor, comprising:
- an electronic chip;
- and
- a sensor chip,
- wherein the electronic chip and sensor chip are arranged within a functional space which is at most 5 mm long, at most 3 mm wide, and at most 0.8 mm high,
- wherein the sensor is arranged on the main part,
- wherein the main part includes a filter medium including an upstream side and a downstream side,
- wherein the sensor chip is high-resolution such that a pressure differential between the upstream side and the downstream side in a range of from 10 to 500 Pa can be detected, and
- wherein the sensor chip has a resolution of 5 Pa.
8 more elements
Dependencies are inferred from the claim text.