IP Library Granted Patent US 6,940,401
Granted Patent B2
US 6,940,401 · App. 10/655,784 · Granted Sep 6, 2005

Customizable low fuel indicator system

View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 6,940,401
App. No.
10/655,784
Granted
Sep 6, 2005
Kind
B2
Abstract

A customizable low fuel indicator system for a motor vehicle having an engine control unit storing the average fuel economy of the motor vehicle. A fuel tank sensor is in electronic communication with the engine control unit and is adapted to sense the amount of fuel remaining in a fuel tank of the motor vehicle. An indicator is in electronic communication with the engine control unit. An input device is in communication with the electronic control unit for selecting a threshold distance to empty. The engine control unit calculates a distance to empty value based on the average fuel economy and the amount of fuel sensed by the fuel tank sensor. The indicator is activated by the engine control unit when the distance to empty is less than the threshold distance to empty.

Claims (20)

1. A customizable low fuel indicator system for a motor vehicle comprising:

a control unit for calculating and storing the average fuel economy of the motor vehicle;

a fuel tank sensor in electronic communication with the control unit and adapted to sense the amount of fuel remaining in a fuel tank of the motor vehicle;

an indicator in electronic communication with the control unit;

an input device in communication with the control unit for selecting a threshold distance to empty;

wherein the control unit calculates a distance to empty value based on the average fuel economy and the amount of fuel sensed by the fuel tank sensor; and

wherein the indicator is activated by the control unit when the distance to empty is less than the threshold distance to empty.

2. The customizable low fuel indicator system of claim 1 , wherein the indicator is a visual indicator adapted to be mounted within a dashboard of the motor vehicle.

3. The customizable low fuel indicator system of claim 2 , wherein the visual indicator is a light emitting diode.

4. The customizable low fuel indicator system of claim 1 , further comprising an audible indicator in communication with the control unit, the audible indicator activated by the control unit when the distance to empty is less than the threshold distance to empty.

5. The customizable low fuel indicator system of claim 1 , wherein the input device is a trip computer.

6. A method for warning the driver of a motor vehicle when the fuel within the motor vehicle is running low based on a driver selected distance to empty, the method comprising:

selecting a threshold distance to empty;

calculating and storing an average fuel economy of the motor vehicle;

sensing the amount of fuel within the fuel tank of the motor vehicle;

calculating a distance the motor vehicle can travel until empty based on the average fuel economy and the amount of fuel; and

activating an indicator if the distance to empty is less than the threshold distance to empty.

7. The method of claim 6 , wherein the indicator is a visual indicator that emits light when activated.

8. The method of claim 7 , further comprising activating an audible indicator if the distance to empty is less than the threshold distance to empty.

9. The method of claim 6 , wherein the threshold distance to empty is selected through a trip computer in the motor vehicle.

Assignments (8)
RELEASE OF SECURITY INTEREST Recorded Jan 24, 2019
From: JPMORGAN CHASE BANK, N.A.
To: FCA US LLC (FORMERLY KNOWN AS CHRYSLER GROUP LLC)
Reel/Frame 048177/0356 →
RELEASE OF SECURITY INTEREST Recorded May 30, 2017
From: CITIBANK, N.A.
To: FCA US LLC (FORMERLY KNOWN AS CHRYSLER GROUP LLC)
Reel/Frame 042885/0255 →
RELEASE OF SECURITY INTEREST RELEASING SECOND-LIEN SECURITY INTEREST PREVIOUSLY RECORDED AT REEL 026426 AND FRAME 0644, REEL 026435 AND FRAME 0652, AND REEL 032384 AND FRAME 0591 Recorded Feb 11, 2016
From: CITIBANK, N.A.
To: FCA US LLC, FORMERLY KNOWN AS CHRYSLER GROUP LLC
Reel/Frame 037784/0001 →
CHANGE OF NAME Recorded Apr 30, 2015
From: CHRYSLER GROUP LLC
To: FCA US LLC
Reel/Frame 035553/0356 →
SECURITY AGREEMENT Recorded Mar 4, 2014
From: CHRYSLER GROUP LLC
To: JPMORGAN CHASE BANK, N.A.
Reel/Frame 032384/0640 →
SECURITY AGREEMENT Recorded Jun 13, 2011
From: CHRYSLER GROUP LLC
To: CITIBANK, N.A.
Reel/Frame 026435/0652 →
SECURITY AGREEMENT Recorded Jun 7, 2011
From: CHRYSLER GROUP LLC
To: CITIBANK, N.A.
Reel/Frame 026404/0123 →
RELEASE OF SECURITY INTEREST Recorded May 26, 2011
From: THE UNITED STATES DEPARTMENT OF THE TREASURY
To: CHRYSLER GROUP LLC; CHRYSLER GROUP GLOBAL ELECTRIC MOTORCARS LLC
Reel/Frame 026343/0298 →