Physical quantity detection device
Number of patents in Portfolio can not be more than 2000
United States of America
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Jan 7, 2025
Grant Date -
Dec 15, 2022
app pub date -
Oct 27, 2020
filing date -
Oct 27, 2020
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Provided is a physical quantity detection device that can improve physical quantity measurement accuracy over a conventional device. A physical quantity detection device 20 includes a detector including a flow rate detection unit 205, a circuit board 207, a housing 201, and a cover 202. The detector detects a physical quantity and is mounted on the circuit board 207. The housing 201 houses the circuit board 207. The cover 202 is fixed to the housing 201 and defines an auxiliary passage 234 in which the flow rate detection unit 205 is disposed. The housing 201 and the cover 202 include a positioning portion P that includes a pin P1 extending in a thickness direction Dt of the circuit board 207 and a fitting portion P2 into which an end portion P11 of the pin P1 is fitted for positioning between the housing 201 and the cover 202. The pin P1 includes an engagement portion P12 that faces an engagement surface 207f of the circuit board 207 along the thickness direction Dt and restricts movement of the circuit board 207 in a surface direction Df along the front and rear surfaces thereof.
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