Fuel gauging system utilizing a digital fuel gauging probe

US9109940B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9109940-B2
Application numberUS-201213625453-A
CountryUS
Kind codeB2
Filing dateSep 24, 2012
Priority dateApr 3, 2009
Publication dateAug 18, 2015
Grant dateAug 18, 2015

How to read this patent

A practical reading order for non-experts. Skip the full description unless you need deep technical detail.

  1. Title

    What the patent document calls the invention.

  2. Abstract

    A short plain-language summary of the technical disclosure.

  3. Assignees and inventors

    Who owns or filed the patent and who is credited as inventor.

  4. Key dates

    Filing, priority, publication, and grant dates set the timeline.

  5. First independent claim

    The legal scope of protection — read this for what is actually claimed.

  6. CPC / IPC classifications

    Technology tags used to group this patent with similar filings.

  7. Citations and related patents

    Prior art links and similar publications in this corpus.

Abstract

Official abstract text for this publication.

An apparatus includes a probe configured to be mounted in a tank for at least partial immersion in a liquid. The probe has a body disposed inside the fuel tank. A capacitance-to-digital (CDC) circuit is disposed on the probe in the tank, such that the CDC is disposed inside the fuel tank and is operably connected to the body.

First claim

Opening claim text (preview).

What is claimed is: 1. A fuel gauging system for use with a fuel tank, the system comprising: a fuel probe configured to be mounted in the fuel tank, the fuel probe having a body disposed inside the fuel tank and at least partially submerged in fuel to form a capacitor with fuel as a dielectric and a capacitance-to-digital circuit (CDC) disposed on the fuel probe inside the fuel tank and operably connected to the body; and a fuel computer unit in communication with the C…

Assignees

Inventors

Classifications

Patent family

Related publications grouped by family.

External sources

Next steps

Free tools are coming soon. Tell us what you want to track and we'll notify you.

Frequently asked questions

Answers are generated from the same data shown on this page.

What does patent US9109940B2 cover?
An apparatus includes a probe configured to be mounted in a tank for at least partial immersion in a liquid. The probe has a body disposed inside the fuel tank. A capacitance-to-digital (CDC) circuit is disposed on the probe in the tank, such that the CDC is disposed inside the fuel tank and is operably connected to the body.
Who is the assignee on this patent?
Eaton Corp
What technology area does this patent fall under?
Primary CPC classification G01F23/266. Mapped technology areas include Physics.
When was this patent published?
Publication date Tue Aug 18 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).