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8106759 |
System and method for controlling early low fuel warning based on driver status
A system and method is provided for controlling the operation of notifying drivers of the fluid level. Primary and secondary keys are adapted to be associated to primary and secondary drivers. A...
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RE42771 |
Method of operation of a device for energy conversion using a main fuel and at least one auxiliary fuel
A method for operating a converter for the energy conversion of fuel from at least one main fuel supply, and from at least one auxiliary fuel supply for operating the converter directly and/or by...
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8009028 |
System for recommending maintenance for fuel economy improvement
A method of optimizing fuel economy and carbon dioxide emissions of a vehicle may entail utilizing an interior vehicle display to alert a driver as to the state of various vehicle components and...
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7999664 |
Behavior-based low fuel warning system
A method is provided for determining when to provide a refueling notification to a driver of a vehicle. A refueling behavior is determined for refueling the vehicle. The refueling behavior is...
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7952473 |
Liquid level detecting apparatus
A liquid level detecting apparatus includes a liquid level sensor of a variable resistance type which includes a sliding contact and a resistor, and which detects a resistance change corresponding...
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7940165 |
Low fuel warning systems for a motorized vehicle
The low fuel warning system includes a fuel line configured to transport fuel between an inlet port and an outlet port and a reservoir located intermediate to the inlet port and the outlet port,...
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7868775 |
Safety warning and shutdown device and method for hydrogen storage containers
The present disclosure provides an alternative, cost-effective safety feature for on-board hydrogen storage containers incorporating a fill cycle sensor with a driver warning and shutdown system....
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7808372 |
Detection device for vehicles
An antifraud device for a vehicle has a tank with a filler provided with a removable cap. The device comprises a first sensor, for detecting a movement of the cap with respect to the filler, and...
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7753545 |
Illuminated plastic fuel tank
The invention is an illuminable tank that includes a partially translucent plastic tank and an illumination apparatus. The illuminable tank enables a user to determine the level of liquid in the...
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7693651 |
Methods and systems for monitoring fuel status of vehicles
A method for monitoring fuel status of a vehicle having a fuel tank includes the steps of determining an amount of fuel in the fuel tank, obtaining a geographic location of the vehicle, calculating...
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7675405 |
Method and device for testing the measuring value of at least one level sensor arranged in a fuel tank
Disclosed is a method and device for testing the measuring value of at least one filling level sensor arranged in a fuel tank. A plurality of measurements are taken by the filling level sensors and...
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7668644 |
Vehicle fuel informational system
A vehicle fuel informational system is provided with a fuel level determination component, an onboard vehicle positioning component, an onboard vehicle navigation component and a low fuel...
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7652563 |
Optical input device
One aspect is a device for displaying an indication of a system parameter. The device includes an input circuit, an optical sense circuit, a control circuit, and an output circuit. The input...
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7646289 |
Fuel economy indicator lamp control system
A fuel economy (FE) indicator lamp regulation system for a hybrid electric vehicle having an internal combustion engine includes an FE indicator lamp, a first module that calculates an...
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7311076 |
Low fuel pressure warning system
An internal combustion engine system having an internal combustion engine, a fuel source, a fuel filter for filtering fuel from the source to the engine, and a fuel pressure switch disposed between...
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RE39845 |
Maintenance alert system for heavy-duty trucks
A real-time maintenance alert system and method for use in a heavy-duty truck having an engine controller with memory are provided. The system includes a sensor operative to indicate an engine...
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7259664 |
Sensorless fuel level and oil change indicators
Sensorless fuel level and oil change indicators are provided in a range extender for an electric vehicle. The range extender includes an engine, and an electric generating device driven by the...
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7135981 |
Fuel level variation detector for marine vehicle
A signaling device for a marine vehicle having a fuel tank, a fuel level value detected in the fuel tank, and a blower to evacuate fuel fumes. The signaling device comprises: a fuel level variation...
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7132938 |
Tire pressure warning system
A tire pressure warning system has an air pressure detecting device 3, a low pressure warning display unit 5 and a fuel consumption deterioration warning display unit 4. The air pressure detecting...
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7012536 |
Retain overfill monitor with integrated over-vacuum and over-pressure detection
A system for monitoring the conditions within the fuel storage compartments of a transport tank comprises an overfill pressure vacuum probe installed in each fuel storage compartment and which has...
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6975216 |
System and method for indicating fluid condition
A fluid condition indicating system and method using visual and audible devices. The system includes a circuit having visual and audible indicators, a power supply, and a plurality of switches or...
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6975217 |
Vehicle fuel mileage meter
A vehicle fuel mileage meter capable of displaying a value approximate to a fuel mileage obtained from actual driving only is provided. The fuel mileage meter includes a fuel mileage display and a...
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6940401 |
Customizable low fuel indicator system
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...
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6885919 |
Method for controlling the operation of a marine vessel
A process is provided by which the operator of a marine vessel can invoke the operation of a computer program that investigates various alternatives that can improve the range of the marine vessel....
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6778076 |
Oil pressure switch failure detection system for outboard motor
An oil pressure switch failure detection system for an outboard motor, having a first oil pressure switch which generates an ON signal indicating that the oil pressure is less than or equal to a...
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6750763 |
System and method for measuring oil condition in large engines
A system for measuring oil condition in large engines includes a bypass valve that is installed in a lubrication system along a fluid line between an oil pan and an engine. The bypass valve...
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6664796 |
Water contamination sensing algorithms for ethanol containing fuel
A method for determining a level of water contamination in a fuel containing ethanol, including determining the ethanol concentration of the fuel; sensing the resistance of the fuel; determining a...
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6578415 |
Limit-level sensor and method of determining the undershooting or overshooting of an intended level of liquid in a container
A limit-level sensor for measuring level of a liquid has a resistance element which has an electric resistance which suddenly varies a transition temperature which lies above the maximum liquid...
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6571168 |
System for determining fuel usage within a jurisdiction
A system for determining fuel usage within a jurisdiction includes a control computer operable to control fueling of an internal combustion engine and an auxiliary computer coupled thereto, wherein...
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6564631 |
Digital signal fuel sensor
A digital signal fuel sensor includes a digital sensor and a wiper assembly for rotation relative to the digital sensor. The digital sensor has a plurality of sensing portions having at least one...
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6467337 |
Device for calculating cruising range and method therefor
A remaining fuel Z is calculated by subtracting a fuel injection amount J supplied to an engine 14 from stored fuel F measured by a fuel meter 12. A fuel economy Fm is calculated by dividing a...
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6437697 |
Propane level monitor assembly
A propane level monitor assembly for determining the level of propane in a storage tank. The propane level monitor assembly includes a gauge monitor assembly including a housing being adapted to be...
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6408692 |
Liquid level sensor
A liquid level sensor is provided that comprises an integral housing including therein a pickup tube, a return tube and a float cavity with a float positioned therein. Sensors are positioned within...
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6335690 |
Fluid sensing system
A fluid sensing system for monitoring a fluid parameter within a fluid container includes a fluid sensor and a fluid receiver. The fluid sensor is positioned at a first location and is operable to...
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6297733 |
Stable, reliable capacitive oil deterioration and level sensor
A reliable capacitive oil deterioration and level sensor has a conductive housing member that includes a conductive shielding member defining a ground electrode, and a conductive inner member...
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6252499 |
Fuel supply indicator arrangement for a motor vehicle fuel tank
A fuel supply indicator arrangement for a motor vehicle fuel tank includes a device for generating a fuel consumption signal to measure the fuel consumption of an internal combustion engine. A fuel...
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6166630 |
Wireless fuel gauge
A wireless fuel gauge assembly including a fuel tank containing fuel having a level defining a liquid-air boundary. A control determines a digital indication of the fuel level. The control is able...
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6078850 |
Method and apparatus for fuel management and for preventing fuel spillage
A management system for a vehicle having a commodity storage region and traveling along a path having a plurality of geographically-distributed commodity replenishing stations, includes a sensor...
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6040767 |
Control system for engine lubricant level sensor
A control system for an engine low oil sensor prevents engine starting if the oil level is below a predetermined level, but thereafter enables the engine to run uninterrupted even if the oil level...
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6005481 |
Remaining fuel alarm for vehicular fuel-combustion heater
Disclosed is a remaining fuel alarm for a vehicular fuel-combustion heater, comprising a thermistor for detecting whether or not a predetermined amount of fuel is stored in a fuel tank, a remaining...
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6002328 |
Tank display system and method for determining the remaining volume in a tank
A tank display system for a tank filled with fuel, the tank being divided into a main tank and a supplementary tank, has a level limit switch which responds when the main tank is almost empty. If...
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5982290 |
Automatic recognition of different types of liquid level sensors
A system for indicating the level of a liquid in a container is operable with either an analog type liquid level sensor producing an output signal which varies linearly in magnitude with the level...
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5920255 |
Ratiometric processing and driver circuit
The electronic interface circuit can perform ratiometric processing and driving of a signal generated by a fuel-level detector of a vehicle. The circuit uses a current mirror configured so as to...
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5912617 |
Circuit for driving a signaling device
A circuit for controlling the reserve lamp of a vehicle's fuel level indicator instrument. The circuit uses a switch controlled by an extremely asymmetric clock signal periodically to switch, for a...
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5886625 |
Residual fuel amount-estimating system for fuel tank of internal combustion engine
A residual fuel amount-estimating system for a fuel tank of an internal combustion engine installed in a vehicle. A pressure sensor detects the pressure within the fuel tank. The interior of the...
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5760712 |
Fuel time indicator
A fuel time indicator which is removably mountable about a fuel tank selector switch for monitoring and displaying tank usage times for each of a plurality of fuel tanks is disclosed. The fuel time...
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5686895 |
Display unit for automobiles
A display unit for an automobile includes a graph comprising a vertical axis X and a horizontal axis Y. The vertical axis X indicates a remaining capacity of driving energy, such the capacity of...
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5652378 |
Fuel consumption estimating method
A method for estimating the fuel consumption of a tractor and trailer combination during a test period and identify at least one of a plurality of operating conditions attributable to the actual...
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5532673 |
Fuel fill monitoring system and method
The fuel tank of a mobile vehicle is provided with a level sensor for sensing the level of fuel in the tank as it is being filled. The output signal from the level sensor is applied to a...
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5519397 |
Circuit for processing the output signal from a resistive analog sensor, in particular for the fuel gauge of a motor vehicle, and systems fitted therewith
The present invention relates to a circuit for processing the output signal from a resistive analog sensor, comprising firstly a digital filter, and secondly a module forming a digital-to-impedance...
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