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Patent Searching and Data


Title:
PHYSICAL QUANTITY DETECTION DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/064933
Kind Code:
A1
Abstract:
The purpose of the present invention is to attain a physical quantity detection device with a low degree of pressure loss that can output a plurality of physical quantities of intake air. The present invention is a physical quantity detection device 20 that detects a plurality of physical quantities of a to-be-measured gas 2 which flows inside a main path 22, and the present invention is characterized in that: the physical quantity detection device comprises a sensor that detects a plurality of physical quantities, a circuit board 207 on which an electronic component that controls the physical quantities can be mounted, a circuit board housing unit 235 that houses the circuit board 207, and a secondary path 234 in which a flow rate sensor is disposed; and the circuit board 207 is housed in the circuit board storage unit 235 which is on the upstream side of the secondary path 234, and the circuit board is disposed parallel to the to-be-measured gas 2 that flows in the main path 22.

Inventors:
UENODAN AKIRA (JP)
MIKI TAKAHIRO (JP)
YOGO TAKAYUKI (JP)
FATIN FARHANAH BINTI HARIDAN (JP)
KONO TSUTOMU (JP)
TASHIRO SHINOBU (JP)
Application Number:
PCT/JP2018/029347
Publication Date:
April 04, 2019
Filing Date:
August 06, 2018
Export Citation:
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Assignee:
HITACHI AUTOMOTIVE SYSTEMS LTD (JP)
International Classes:
G01F1/684; G01K1/14; G01K13/02
Foreign References:
JP2013120103A2013-06-17
JP2003176740A2003-06-27
JP2010002329A2010-01-07
JP2002506528A2002-02-26
JP2005201684A2005-07-28
US20090211355A12009-08-27
Attorney, Agent or Firm:
TODA Yuji (JP)
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