Measuring and testing – Volume or rate of flow – Proportional
Reexamination Certificate
2007-04-10
2007-04-10
Patel, Harshad (Department: 2855)
Measuring and testing
Volume or rate of flow
Proportional
C073S118040, C073S204210
Reexamination Certificate
active
11135519
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.
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Igarashi Shinya
Kikawa Hiromu
Nakada Keiichi
Ueyama Kei
Watanabe Izumi
Dickstein & Shapiro LLP
Hitachi , Ltd.
Hitachi Car Engineering Co. Ltd.
Patel Harshad
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