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.

Date of Patent:
Dec. 30, 2014

Filed:

Jan. 14, 2011
Applicants:

Chiaki Kataoka, Aichi-gun, JP;

Masaki Akagi, Okazaki, JP;

Inventors:

Chiaki Kataoka, Aichi-gun, JP;

Masaki Akagi, Okazaki, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01F 23/26 (2006.01);
U.S. Cl.
CPC ...
G01F 23/263 (2013.01); G01F 23/266 (2013.01); G01F 23/268 (2013.01);
Abstract

A liquid state detection sensor capable of detecting a large number of objects with a small number of terminals. The liquid state detection sensor is provided with three terminals A to C, a capacitor Cbetween terminals A and B, a capacitor Cbetween terminals B and C, and a capacitor Cbetween terminals A and C. The capacitor Cand the capacitor Care connected in series, and the capacitor Cis connected in parallel with this series connection. The capacitor Cis disposed outside liquid fuel in a fuel tank, the capacitor Cis partially or wholly immersed in the fuel in the fuel tank, and the capacitor Cis disposed close to a floor of the fuel tank.


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