The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 07, 2025
Filed:
Oct. 27, 2020
Hitachi Astemo, Ltd., Hitachinaka, JP;
Hitachi Astemo, Ltd., Hitachinaka, JP;
Abstract
Provided is a physical quantity detection device that can improve physical quantity measurement accuracy over a conventional device. A physical quantity detection deviceincludes a detector including a flow rate detection unit, a circuit board, a housing, and a cover. The detector detects a physical quantity and is mounted on the circuit board. The housinghouses the circuit board. The coveris fixed to the housingand defines an auxiliary passagein which the flow rate detection unitis disposed. The housingand the coverinclude a positioning portion P that includes a pin Pextending in a thickness direction Dt of the circuit boardand a fitting portion Pinto which an end portion Pof the pin Pis fitted for positioning between the housingand the cover. The pin Pincludes an engagement portion Pthat faces an engagement surfaceof the circuit boardalong the thickness direction Dt and restricts movement of the circuit boardin a surface direction Df along the front and rear surfaces thereof.