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4107776 |
Vehicle power transmission arrangements and electronic power controls
An electronically controlled transmission arrangement for an internal combustion engine driven vehicle such as a private automobile, permitting operation under normal conditions close to regions of...
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4104990 |
Process and apparatus for determining engine operation near the lean-running limit
The fuel injection control pulses of an internal combustion engine may be shortened or lengthened to provide operation of the engine at a definite fuel-air ratio. When operation takes place in a...
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4099495 |
Method and apparatus to determine the timing of a periodically repetitive event with respect to the position of a rotating body, and more particularly ignition timing, fuel injection timing, and the like, in automotive internal combustion engines
A pair of marker signals are generated with respect to a predetermined crankshaft position; the leading edge of the marker signal is used as a control edge to generate, by digital calculation, a...
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4086884 |
Method and apparatus for controlling the amount of fuel metered into an internal combustion engine
Method and apparatus for controlling the amount of fuel metered to an internal combustion engine through electrically-controllable valve means, such as electromagnetic fuel injectors. The valve...
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4077204 |
Control system for a gas turbine engine
In an acceleration control of a gas turbine engine having a feedback system in which the fuel flow is controlled by comparison of a selected engine speed and an actual engine speed, when the...
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4063072 |
Automatic process for the optimum regulation of aircraft fuel flow
A method for operating an aircraft at the minimum total flying cost per unit of distance. The fuel cost per unit of distance and the flying time cost per unit of time are calculated at a first fuel...
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4061023 |
Fuel-meter-combined fuel consumption rate meter
A fuel consumption rate meter incorporating a fuel meter. The momentary amount of fuel consumed by a running vehicle is measured and the momentary fuel consumption rate is computed from the...
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4054781 |
Method and apparatus for instantaneously measuring and indicating fuel consumption rate
Method and apparatus for instantaneously measuring fuel consumption rate and indicating the instantaneously measuring distance traveled per unit fuel amount consumed, i.e., the instantaneous fuel...
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4050295 |
Digital measuring system for engine fuel performance
Method and apparatus for measuring engine performance with respect to fuel consumption either in miles per gallon or gallons per hour is provided. Such performance, in engines either in vehicles or...
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4046998 |
Possible vehicle running distance indication
Indication of possible vehicle running distance with remnant fuel is accomplished by measuring the fuel amount, the fuel consumption and the running distance and calculating the possible remaining...
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4044235 |
Method and apparatus for determining smooth running operation in an internal combustion engine
Engine control based on the smooth or rough running of the engine is performed by obtaining a signal indicative of crankshaft rotation and by digital measurement of the period of revolution. The...
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4044234 |
Process and apparatus for controlling engine operation near the lean-running limit
The fuel supply control pulses of an internal combustion engine may be shortened or lengthened to provide operation of the engine at a definite fuel-air ratio. When operation takes place in a...
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4038526 |
Optimizing control system for aircraft
The disclosure of this invention pertains to a system for optimizing fuel consumption in an aircraft having two engines, wherein a computer is programmed to increase the fuel flow to the engine...
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4032755 |
Process control apparatus
A process control apparatus, for example for internal combustion engine fuel injection control, includes a digital memory which produces an n-bit digital output in accordance with two independently...
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4026251 |
Adaptive control system for power producing machines
An adaptive digital electronic control system for an internal combustion engine wherein a given speed modifying parameter is perturbated about a given setting and the resulting effect on the...
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4012949 |
Miles per gallon computer system means
A miles-per-gallon computing device in which a chain of pulses is produced with the pulse spacing being a function of one variable and the pulse width being a function of the other variable. The...
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4008607 |
Fuel consumption rate detecting apparatus
A fuel consumption rate detecting apparatus comprises a circuit for representing fuel consumption amount per unit time, a pulse generator for generating a pulse signal whose pulse width is...
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3988600 |
Digital logarithmic function generator
A digital logarithmic function generator comprising a converter circuit for producing an output signal which is proportional to the number of input signals, a setting circuit the content n of which...
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3983533 |
Motor vehicle fuel economy indicating circuit
A circuit for providing an indication to the operator of a motor vehicle that the engine or vehicle is operating under conditions likely to produce poor fuel economy. The fuel economy indicating...
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3983372 |
Apparatus and method for a digital readout of distance traveled, fuel consumed and miles per gallon of a moving motor vehicle
The apparatus gives a simultaneous readout of the semi-instantaneous rate of fuel consumption, expressed in terms of miles per gallon; the distance traveled; and the total amount of gallons...
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3975952 |
Engine power output measuring instrument
A special-purpose computer instrument is coupled to an engine through a digitizing flow meter which measures fuel consumption, a digitizing tachometer which detects engine speed and a device for...
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3972224 |
Shaft efficiency monitoring system
A system for continuously providing direct readouts of horsepower and efficiency of a rotating shaft, which includes a husk assembly associated with the shaft and providing electrical signals...
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3967097 |
Vehicle fuel economy calculator and indicator
A vehicle fuel economy calculator including a digital circuit for generating a first series of pulse groups with the number of pulses in each group representing a calculation of instantaneous...
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3958107 |
Fuel management computer
An aircraft fuel management computer for notifying a pilot at a predetermined point of time to switch the fuel selector valve to begin draining fuel from a different fuel tank. A frequency divider...
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3953716 |
Control apparatus and process for combustion engines
Method and apparatus for producing a control function signal of a given duration for a fuel injection system of an engine in which a word, or number, corresponding to the desired control function...
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3926045 |
Flow sensor and system
A flow sensor has a housing with an inlet and outlet formed therein with a cylindrical passage interconnecting the inlet and outlet. An axially slidable piston contained in the cylindrical passage...
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3927305 |
Fuel economy indicator having range selected filters
A fuel economy indicator having a fuel economy calculator responsive to vehicle fuel consumption and vehicle speed for generating a signal representing the instantaneous vehicle fuel economy. This...
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3921444 |
Frequency meter for vehicle running speed versus fuel consumption rate
A frequency meter for vehicle running speed versus fuel consumption rate adapted to calculate an instant value of fuel consumption rate at a predetermined time interval and to drive a particular...
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3908451 |
Apparatus for measuring engine fuel efficiency
Apparatus particularly useful in a motor driven vehicle for calculating and displaying both the current and historical fuel efficiency and/or rates of fuel consumption. The apparatus includes means...
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3906437 |
Device for monitoring the operating parameters of a dynamic system
The device for monitoring the operating parameters of a dynamic system (for example, an aircraft having an internal combustion engine power plant) comprises a plurality of sensors each one of which...
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3846760 |
ENGINE CONTROL SYSTEMS
An engine control system comprises a first transducer producing a first signal representative of a first engine parameter such as throttle angle, and a second transducer producing a second signal...
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3845289 |
METHOD AND APPARATUS EMPLOYING AUTOMATIC ROUTE CONTROL SYSTEM
Method and apparatus facilitating effecting actions along a predetermined route segment, as in commercial and residential neighborhoods, characterized by a self-contained on-board system which...
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3838397 |
FUEL INJECTION PULSE WIDTH COMPUTER
A real time, digital computer is used to calculate a pulse width, for example, for fuel injection systems. The computer uses data from environmental sensors, data stored internally in fixed...
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3835819 |
DIGITAL ENGINE CONTROL APPARATUS AND METHOD
The disclosure describes digital apparatus and a digital method for operating a multicylinder internal combustion engine having spark plugs that are fired in response to an electrical fire signal...
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3836690 |
NAVIGATION DATA COMPUTATION APPARATUS
An improved navigation data computation apparatus having manually settable data entry devices receiving pilot entered data, a data computation assembly receiving the pilot entered data and...
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3793882 |
MEASURING FUEL CONSUMPTION
Apparatus and methods are described for measuring fuel consumption of an engine accelerating at constant load. The arrangements disclosed provide for detecting a plurality of predetermined engine...
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3758764 |
TURBINE POWER PLANT CONTROL WITH AN ON-LINE OPTIMIZATION CONTROL
Means for speeding up the assessment and optimization process for a turbine engine control including a factor that estimates the change in steady state fuel flow required to maintain the desired...
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3697731 |
METHOD AND APPARATUS FOR DETERMINING MAXIMUM ALLOWABLE JET ENGINE PRESSURE RATIOS
An instrument comprised of inputs for receiving signals proportional to aircraft pressure altitude and compressor inlet temperature, which are coupled to function generators that produce outputs...
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3686485 |
THRUST CONTROLLER FOR PROPULSION SYSTEMS WITH COMMONLY DRIVEN, CONTROLLABLE PITCH PROPELLERS
A method and apparatus for controlling the thrust delivered by each propeller of a marine propulsion system of the type having a plurality of controllable pitch propellers driven by a common power...
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3624367 |
SELF-OPTIMIZED AND ADAPTIVE ATTITUDE CONTROL SYSTEM
Technique, method and apparatus for obtaining optimized, self-adaptive, attitude control in space vehicles using on-off reaction motor propulsion for torquing the vehicle about its axes of...
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3612837 |
AIRCRAFT STRIKE ASSURANCE SYSTEM
A system for computing all necessary flight commands for successfully completing a mission, including a forecast of fuel reserves and time to each target from planned parameters by combining fuel...
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3549868 |
FUEL-MILEAGE COMPUTER
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3545266 |
NONINERTIAL STRAPPING-DOWN GRAVITY GRADIENT NAVIGATION SYSTEM
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3389243 |
Dynamic optimizer
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3361897 |
Digital apparatus to correct for attitude errors in aircraft fuel-guage measurements
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3347092 |
Fuel economy meter
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3287965 |
Engine performance indicator
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3272004 |
Horsepower remaining computer
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3153143 |
Flight performance computer
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3088669 |
Remaining range computer
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