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:
Mar. 08, 2022
Filed:
Jul. 30, 2018
Hitachi Automotive Systems, Ltd., Hitachinaka, JP;
Takahiro Miki, Ibaraki, JP;
Akira Uenodan, Ibaraki, JP;
Takayuki Yogo, Ibaraki, JP;
Binti Haridan Fatin Farhanah, Ibaraki, JP;
Shinobu Tashiro, Ibaraki, JP;
Tsutomu Kono, Ibaraki, JP;
HITACHI AUTOMOTIVE SYSTEMS, LTD., Ibaraki, JP;
Abstract
To obtain a physical quantity detection device that can prevent a thermal influence on a sensor due to downsizing. A physical quantity detection deviceof the present invention includes a measuring unitprotruding from an inner wall of a main passagetoward a passage center of the main passage. The physical quantity detection deviceincludes at least one of a flow sensorthat detects a flow rate of a measured gas, an intake air temperature sensorthat detects temperature, a pressure sensorthat detects pressure, and a humidity sensorthat detects humidity, and the sensors are disposed along a protruding direction of the measuring unit