Electricity: measuring and testing – Impedance – admittance or other quantities representative of... – Lumped type parameters
Reexamination Certificate
2009-01-22
2011-12-06
Dole, Timothy J (Department: 2858)
Electricity: measuring and testing
Impedance, admittance or other quantities representative of...
Lumped type parameters
C324S686000
Reexamination Certificate
active
08072229
ABSTRACT:
A fuel property sensor, which is installed to a fuel tank of a fuel tank assembly, senses a property of fuel at the fuel tank. First and second electrodes of the fuel property sensor are made of an electrically conductive material and are exposed in a fuel flow passage in a housing of the fuel property sensor such that the first and second electrodes are generally parallel to a flow direction of fuel in the fuel flow passage and are spaced from each other by a predetermined distance. The fuel property sensor determines the property of the fuel based on a capacitance, which is generated between the first electrode and the second electrode.
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Japanese Office Action dated Oct. 6, 2009, issued in corresponding Japanese Application No. 2008-020189, with English translation.
Nakamura Hiroshi
Uchida Akikazu
Denso Corporation
Dole Timothy J
Nixon & Vanderhye PC
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