SENSOR DEVICE - HITACHI AUTOMOTIVE SYSTEMS LTD

Title:

SENSOR DEVICE

Document Type and Number:

WIPO Patent Application WO/2021/039028

Kind Code:

A1

Abstract:

This sensor device comprises: a detection unit comprising a sensor element that is disposed in a passage and detects a physical quantity relating to a gas that passes through the passage; a circuit substrate that is electrically connected to the detection unit; a fixing member for fixing the circuit substrate and detection unit; and a passage formation part. The passage formation part comprises, on the same surface, a first part that the fixing member is fixed to, a second part that opposes the circuit substrate via a gap, and a third part that is one of the surfaces forming the passage and opposes the sensor element via the passage.

Inventors:

NAKATSUCHI HIROKI (JP)
HIROHATA SHIGETO (JP)
IKEDA UKYO (JP)

Application Number:

PCT/JP2020/023238

Publication Date:

March 04, 2021

Filing Date:

June 12, 2020

Export Citation:

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Assignee:

HITACHI AUTOMOTIVE SYSTEMS LTD (JP)

International Classes:

G01F1/684

Foreign References:

JP2019095387A	2019-06-20
JP2016075506A	2016-05-12
JP2017083323A	2017-05-18