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:
Jul. 31, 2018
Filed:
May. 29, 2013
Hitachi Automotive Systems, Ltd., Hitachinaka-shi, Ibaraki, JP;
Takeshi Morino, Hitachinaka, JP;
Shinobu Tashiro, Hitachinaka, JP;
Noboru Tokuyasu, Hitachinaka, JP;
Keiji Hanzawa, Hitachinaka, JP;
Atsushi Inoue, Tokyo, JP;
Akira Uenodan, Hitachinaka, JP;
Hitachi Automotive Systems, Ltd., Hitachinaka-shi, JP;
Abstract
In a thermal flow meter that can simplify a manufacturing process and that has high measurement accuracy, a circuit package includes a passage portion, in which an air flow sensing portion is arranged, and a processing unit, in which a circuit is arranged. The circuit package is fixed to a fixing portion integrally formed with the circuit package, and the passage portion of the circuit package is held in a bypass passage. At least a portion of an end spaced apart from a fixing wall of the passage portion of the circuit package is exposed in the bypass passage.