Measuring and testing – Volume or rate of flow – Proportional
Reexamination Certificate
2006-04-25
2006-04-25
Patel, Harshad (Department: 2855)
Measuring and testing
Volume or rate of flow
Proportional
C073S204220
Reexamination Certificate
active
07032446
ABSTRACT:
There is provided a flow rate measuring device which comprises a means for introducing a backward flow of the main passage into the sub-passage through the outlet of the sub-passage of the flow rate measuring device is provided near the outlet of the sub-passage, in order to keep the flow rate measuring element from being destroyed under the presence of dust and water in an intake manifold and which has high reliability for a long period of use and an excellent pulsation characteristic.
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Horie Junichi
Kikawa Hiromu
Nakada Keiichi
Ueyama Kei
Watanabe Izumi
Crowell & Moring LLP
Hitachi , Ltd.
Hitachi Car Engineering Co. Ltd.
Patel Harshad
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