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7231816 |
Method and apparatus for continuous measuring of dynamic fluid consumption
A method and device for continuous measuring of dynamic fluid consumption, particularly gaseous or liquid motor fuel, employs a continuously operating flow sensor with variable decrease in...
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7114379 |
Fuel meter for outboard engines
An apparatus and method for determining a parameter related to fuel consumption in an engine are disclosed. An electrical sensor senses an electrical control signal used to control fuel introduced...
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7080551 |
Fluid volume measuring apparatus with bubble in fluid
A fluid volume measuring apparatus for measuring volume of fluid flowing out of a measured object includes a passage member that defines a measurement passage. The measurement passage is filled...
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7072762 |
Evaluation system for vehicle operating conditions and evaluation method thereof
The evaluation system for vehicle operating conditions comprises an automatic control device ( 10, 27 ) for setting target vehicle operating conditions and controlling the vehicle so as to achieve...
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6978665 |
Hydrogen supply apparatus and hydrogen supply method for measuring fuel consumption of hydrogen fuel vehicle
To reduce errors of measurement of fuel consumption resulting from air remaining in piping of a hydrogen supply apparatus, a hydrogen supply method for measuring fuel consumption of a hydrogen fuel...
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6694806 |
Vehicle state analysis system and its analysis method
An engine performance map which specifies the relation between running conditions and brake specific fuel consumption (BSFC) is generated by estimating the BSFC relative to the engine rotation...
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6691025 |
Fuel optimization system with improved fuel level sensor
A system for monitoring fuel consumption and optimizing refueling of a vehicle. The system includes a fuel level sensor designed to be mounted on a fuel tank. The fuel sensor has a transducer, such...
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6453731 |
Fuel consumption display system and method for vehicles
A short-term fuel consumption (A) and a longer-term fuel consumption (B) or corrected longer-term fuel consumption (C) are calculated in a common quantitative unit, and comparatively indicated on a...
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6397668 |
Fuel level monitor
A method is presented for determining whether a fuel sensor in a vehicle having a fuel tank, a fuel delivery system, electronic engine controller, air flow and air/fuel ratio sensors and an...
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6367325 |
Motor vehicle fuel level sensor
Disclosed herein is a fuel sensor suited for sensing the level of fuel in a motor vehicle fuel tank. The fuel tank includes an interior mounting to which the fuel sensor is affixed. The fuel sensor...
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6232566 |
Apparatus in a lifting device for reducing error in weight measurements
A device for lifting a load includes a carriage supported by one end of a chain. The chain passes over a sprocket wheel (mast roller) atop a hydraulically operated telescoping element and is...
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6092021 |
Fuel use efficiency system for a vehicle for assisting the driver to improve fuel economy
A fuel efficiency monitoring and display system for a vehicle dynamically evaluates vehicle performance parameters to detect conditions that cause excessive fuel consumption. The conditions include...
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6088636 |
Vehicle trip data computer
A vehicle trip information manipulation device capable of collecting and recording travel related data from a motor vehicle and receiving broadcast data enabling computation of real time factors....
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6038917 |
Method for calculating fuel economy using manifold air pressure (MAP) and fuel rail temperature
A method for determining an approximate, instantaneous fuel economy of a gasoline powered motor vehicle. The method involves determining a nominal fuel flow through fuel injectors of the vehicle's...
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5995886 |
System for estimating residual service time of work vehicle
A system for the estimation of residual service time of a work vehicle includes an arithmetic and logic unit which is inputted with an engine speed and a speed difference from a controller for an...
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5916298 |
Display unit for data dependent on a vehicle's energy consumption
A system, method, and display device for displaying an expected range of driving distances for a vehicle having a driving unit and an energy storage unit. A sensor senses an amount of remaining...
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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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5814724 |
Method and device for determining piston engine wear
A device and a method for determining big end bearing and wrist pin bearing wear in a piston engine without complete disassembly of the engine. The device includes a probe rod which moves in...
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5744705 |
Method and apparatus for engine testing
The invention relates to a method of, and apparatus for, determining the clearance between wear surfaces of a reciprocating piston engine and the surrounding cylindrical bore of the engine block,...
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5668310 |
Vehicle fuel usage tracking device
An electronic device for recording the fuel usage of a vehicle capable of operating on multiple fuel types. The invention tracks time, distance, and fuel mixture information in association with the...
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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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5651284 |
Strain gage method for measuring thrust and torque on valve stems that does not require calibrations against a known thrust and torque
A method for detecting the integrity of a bond between strain gages and the circumferential surface of a rod having an intended use comprises bonding at least four strain gages to the surface of...
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5531105 |
Method and system for determining engine oil consumption
A method and system for determining steady state and real time engine oil consumption of an automotive engine which generates exhaust gases containing oil and fuel having a known sulphur content....
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5481462 |
Apparatus for determining an altitude condition of an automotive vehicle
An altitude determining apparatus for an automotive vehicle includes a calculating part for determining a reference flow rate based on a throttle angle of a throttle valve and an engine speed of an...
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5445018 |
System and method for measuring the rate of fuel comsumption of an internal combustion engine
A system and method is described for measuring fuel consumption by combustion engines operated in a manner wherein one component of fuel is used for the process of combustion itself and another...
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5301113 |
Electronic system and method for calculating distance to empty for motorized vehicles
A system for calculating the distance to empty available from the remaining fuel in a motor vehicle, wherein an average value of the distance traveled per unit of fuel consumed is multiplied by the...
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5284120 |
Fuel consumption measuring device
A fuel consumption measuring device is provided with a flow meter which is mounted on a fuel feeding passage extending from a fuel tank to an engine, wherein a return fuel which is not consumed by...
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5205161 |
Fuel consumption measurement system
A fuel measurement instrument and method of monitoring fuel flow. The system is primarily for diesel engines, and is specially designed to measure fuel consumption and interface to host devices...
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5205160 |
Device for measuring the consumption of fuel in an internal combustion engine
Device for measuring the consumption of fuel in an internal combustion engine, the device being inserted in a feed system between a fuel tank and an injection group, wherein the device includes a...
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5027656 |
Fuel gauge damper circuit with a return to zero gauge circuit
A fuel gauge damper circuit takes a variable resistance signal from a fuel tank sending unit, develops an input voltage proportional to the variable resistance and generates a filtered average of...
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5006994 |
Method for determining the specific fuel consumption of an internal combustion engine and apparatus therefor
The invention relates to a method and an apparatus for determining the specific fuel consumption of an internal combustion engine by measuring the change in weight of a pot containing fuel for...
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4890491 |
Method and device for indicating the level of liquid in an automobile fuel tank
A method and a device are provided for displaying the level of liquid in the fuel tank of an automotive vehicle. A liquid-level detector 1 and a display device 3 for indicating liquid level are...
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4845630 |
Method and apparatus for calculating corrected vehicle fuel economy
A method and apparatus for calculating a corrected fuel economy rate. A fuel-consuming engine that propels a ground vehicle has at least one fuel rate sensor for measuring the fuel consumption rate...
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4838082 |
Fuel gauge damper circuit
A fuel gauge damper circuit takes a variable resistance signal from a fuel tank sending unit, develops an input voltage proportional to the variable resistance and generates a filtered average of...
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4745800 |
Process and device for flow measurement
In a process for measuring the flow of fluids that are subject to temperature changes, particularly for measuring the fuel consumption of an internalcombustion engine with fuel injection, the...
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4716872 |
Economic speed indicator
A method of finding and device for indicating and holding the economic speed of engines and vehicles, wherein the ratio of fuel consumption to engine torque or vehicle speed is continuously...
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4706083 |
Fuel economy indicator
A fuel economy indicator for vehicles having liquid fuel engines. The indicator comprises fuel flow and vehicle speed sensors, and means for using the information provided by such sensors to...
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4612804 |
Apparatus for measuring fuel consumption
The invention relates to the measurement of the fuel consumption of a combustion engine. It relates to an apparatus which comprises two flowmeters (24, 26) which give temperature-compensated...
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4570226 |
Economical driving indicator device
An economical driving indicator device for an automotive vehicle with an internal combustion engine, of the type indicating the instantaneous consumption of the vehicle per unit of distance...
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4553032 |
Infrared energy gage
Means and methods are provided for determining the energy content of a hydrocarbon fuel by infrared spectroscopy. The relationship between the energy content of the fuel and the number of...
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4552015 |
Fuel consumption measuring system
An internal combustion engine fuel consumption measurement system including an auxiliary fuel reservoir from which the engine fuel requirements are supplied and into which make-up fuel is provided...
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4523457 |
Rotational speed measuring device with economy field
An installation for the indication of the fuel consumption, especially of heavy truck engines, with a sensor for the position of the drive pedal and with a set of fuel consumption-engine rotational...
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4502124 |
Process for determination of the stored quantity of operating fluids for automotive vehicles, and circuit for conducting the process
A sensor measures vehicle operating fluid volume, generating a signal which is transmitted to a data processing system. The data processing system actuates an indicator to show a volume indication...
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4498334 |
Apparatus for measuring fuel consumption in an internal combustion engine
An apparatus for measuring fuel consumption in an internal combustion engine the fuel supply system of which has a circulation line for the purpose of cooling the fuel pump. At the times when fuel...
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4494404 |
Fuel-consumption monitoring system for motor vehicles with manually-shifted transmissions
A fuel-consumption monitoring system for motor vehicles with manually-shifted transmissions is indicated, this system generating, from a processing operation involving performance data which are...
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4459846 |
Fuel consumption testing arrangement
The present invention provides a fuel consumption testing arrangement for use in the analysis of internal combustion engines having fuel carburation device, including a fuel source, a constant rate...
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4446727 |
Method for integrating fuel consumption amount of vehicles
In a vehicle provided with a turbine-type fuel flow meter for detecting the flow rate of fuel supplied to a carburetor of an internal combustion engine, a method for integrating the amount of fuel...
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4444046 |
Device for indicating the instantaneous fuel consumption of an automotive vehicle
A device for indicating the instantaneous fuel consumption of an automotive vehicle with spark ignition engine in which the free end of a Bourdon tube (1) of a pressure gauge is blocked by a hinged...
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4437342 |
Diagnostic system for detecting fault in fuel system of engine having electronic fuel injection system
A fault diagnostic system is arranged to detect faults in a fuel system of an engine with an electronic fuel injection system by monitoring the quantities of fuel consumed during a time interval....
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4437162 |
Residual liquid meter using computer responsive to measurements of liquid level and flow
An automotive vehicle residual-fuel meter uses a microcomputer into which a signal indicating initial fuel tank liquid level is set. The initial setting is reduced in response to fuel consumption...
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