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:
Dec. 26, 2017
Filed:
Feb. 05, 2014
Hitachi Automotive Systems, Ltd., Hitachinaka-shi, Ibaraki, JP;
Yuki Isoya, Hitachinaka, JP;
Hiroaki Hoshika, Hitachinaka, JP;
Takayuki Yogo, Hitachinaka, JP;
Takahiro Miki, Hitachinaka, JP;
Hitachi Automotive Systems, Ltd., Hitachinaka-shi, JP;
Abstract
A physical quantity measuring device includes a chip package and a casing. The casing fixedly stores the chip package. The casing includes a first bypass passage allowing a gas to be measured taken from a main passage, to flow in a first measuring unit, and a second bypass passage allowing the gas to be measured taken from the main passage, to flow in a second measuring unit. The chip package is configured to dispose a signal processing unit between the first and second measuring units. The casing has a cooling unit that allows the gas to be measured from the main passage to flow between the first measuring unit and the second measuring unit, and cooling the signal processing unit.