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:
May. 15, 2007
Filed:
Jun. 13, 2006
Hiromu Kikawa, Hitachinaka, JP;
Izumi Watanabe, Hitachinaka, JP;
Shinya Igarashi, Naka-machi, JP;
Keiichi Nakada, Hitachinaka, JP;
Kei Ueyama, Hitachinaka, JP;
Hiromu Kikawa, Hitachinaka, JP;
Izumi Watanabe, Hitachinaka, JP;
Shinya Igarashi, Naka-machi, JP;
Keiichi Nakada, Hitachinaka, JP;
Kei Ueyama, Hitachinaka, JP;
Hitachi, Ltd., Tokyo, JP;
Hitachi car Engineering Co., Ltd., Ibaraki, JP;
Abstract
The present invention provides an air flow measuring device comprising a housing with a sub-passage having a inlet and a outlet for air flow formed in the housing, the sub-passage further having a predefined curvature with a maximum downstream point and a flow measuring element located in the sub-passage at a position at least further downstream from the point.