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5044342 Automotive fuel injection system  
An automotive fuel injection system for detecting as quickly as possible the occurrence of acceleration without employing a throttle sensor to thereby perform an asynchronous fuel injection for the...
5041981 Electric control apparatus for automobile and method of compensating for time delay of measured data  
An apparatus for and method of compensating time delay of measured data in an electric control unit for an automobile which has a measuring unit for measuring a data value representing at least one...
5040412 Evaluation of a fluctuating variable  
To obtain an input speed signal (U n ) for use as a feedback signal in an electronic diesel control (EDC), averages are taken by a component (12) of successive speed signals (n) produced by...
5041980 Method and apparatus for producing fault signals responsive to malfunctions in individual engine cylinders  
Dynamic engine diagnostic devices are useful for detecting engine faults such as a misfiring cylinder during normal engine operation. Identification of the particular cylinder having the fault...
5035216 Idling speed adjusting system for an automotive engine  
An idling speed control system is arranged such that idling speed of an automotive engine is controlled to a desired idling speed. The system has a memory for storing data for changing the desired...
5031715 Cruise-control system with fuel and throttle valve control  
In a cruise-control system mounted on an automobile after a cruise-control mode has been established, a microcomputer prevents the electronic fuel-injection system of the automobile from cutting...
5029090 Method and device for controlling propulsion in motor vehicles  
A method for controlling propulsion in motor vehicles is described which detects when the vehicle approaches the limiting value for lateral acceleration independently of the condition of the load,...
5029091 Ground mode control of aircraft propeller speed and pitch  
A ground mode pitch position logic and control is shown and described in this invention. A method for scheduling and limiting the pitch actuator reference signal in accordance with the actuator...
5024197 Engine idling control apparatus  
An engine idling control apparatus, which has a throttle position sensor for detecting an opening degree of the throttle valve, and an idle switch for changing a state thereof at a predetermined...
5025380 Method and device for controlling the operation of an engine for a vehicle  
A method and device for controlling an engine mounted on a vehicle substantially suppresses pitching or surging of the body of the vehicle during acceleration even when the driver abruptly...
5019986 Method of operating a vehicle engine  
A method of operating a vehicle engine equipped with a cruise control includes the step of operating the engine in accordance with fuel delivery limits within a first range of delivery limits when...
5010490 Constant speed control apparatus for motor vehicle  
A constant speed control apparatus for a motor vehicle includes a setting section for setting a target vehicle speed, a first detection section for detecting a vehicle speed of a traveling vehicle,...
5003482 Automotive constant speed cruise control system  
An automotive constant speed cruise control system for a vehicle includes a controller for automatic speed change for automatically changing over a speed stage in a transmission in accordance with...
4995365 System for detecting engine ignition failures in an internal combustion engine  
A microphone serving as a pressure gradient sensor is connected by a pressure transmission tube to the collecting duct of the exhaust manifold of an internal combustion engine for detecting the...
4996644 Air-fuel ratio control system for use in internal combustion engine  
An air-fuel ratio control system for use in an internal combustion engine is disclosed which comprises a supply unit equipped with a carburetor incorporating an acceleration pump for supplying fuel...
4991097 Method of stall torque management for an electronic automatic transmission system  
A method of reducing stall torque from the engine to the transmission based on a desired engine speed to minimize the potential interference and possible damage to any of the electronically...
4987888 Method of controlling fuel supply to engine by prediction calculation  
In a fuel supply control method of an automobile engine wherein a plurality of parameters representing an operating condition of the engine are measured, and a fuel supply quantity is determined...
4987874 Control system for controlling spark timing of engine  
A control system for controlling spark timing of the engine is to control the retarding of the spark timing at the time of accelerating in anticipation. The amount of retarding the spark timing at...
4984545 Control system for internal combustion engine  
A control system for the internal combustion engine is disclosed, in which the operating conditions (such as vehicle speed) and the control conditions (such as throttle opening degree) of the...
4982330 Arrangement for detecting input signals of a control device in an internal combustion engine  
An arrangement for the detection of speed signals of a control device controlling the fuel feed in an internal combustion engine is suggested, in which an (inductive) pulse generator is used in...
4979117 Method of processing malfunction of vehicular acceleration sensor  
Herein disclosed is a method of processing a malfunction of an accelerator pedal sensor of an automobile. An output voltage is outputted according to changes in a resistance depending upon...
4959996 Control signal generator for an internal combustion engine  
A signal control generator for a multi-cylinder internal combustion engine has a position sensor which generates output pulses which indicate prescribed rotational angles of the crankshaft of the...
4932376 Control system for the transient operation of an internal combustion engine  
A known control system for adjusting the lambda value of an internal combustion engine includes a corrective value ROM for transient operation wherein corrective values are stored for correcting...
4933863 Control systems for internal combustion engines  
A control system for an internal combustion engine comprises an engine speed sensor, a section for producing a feedback correction value in accordance with a difference between speed of the engine...
4930079 Throttle-valve opening degree control for automatic step-wise transmission system  
To control an automatic step-wise transmission system of a vehicle including a vehicle engine, the controlling steps include: acquiring real throttle-valve opening degree data of the vehicle...
4914597 Engine cruise control with variable power limits  
A control for and method of operating a vehicle engine (12) equipped with a cruise control (44) includes apparatus for and the steps of providing a memory (86) having stored therein first and...
4912642 Coordinated engine autothrottle  
An integrated engine control-autothrottle control system for controlling changes in the thrust of a jet aircraft engine during transients (i.e., changes in speed) in a manner that prevents throttle...
4908765 Air/fuel ratio controller for engine  
Disclosed herein is an air/fuel ratio controller for an engine, which is equipped with a function to make the air/fuel ratio leaner in a light-load operation zone or the like of a lean burn engine....
4897791 Asynchronous fuel injection method  
An asynchronous fuel injection control method for engines where the amount of increase of air sucked into the cylinder of the engine corresponding to the variation of the throttle angle is...
4896267 Electronic speed control system for vehicles, a method of determining the condition of a manual transmission clutch and of a park/neutral gear in an automatic transmission  
A method to disengage an electronic speed control as a function of the condition of the park/neutral gear or manual clutch. If the automatic transmission lever is bumped from "drive" or the manual...
4893244 Predictive spark timing method  
A microprocessor based electronic spark control for an internal combustion engine is programmed to determine spark time using a prediction of engine speed during the spark period in which the next...
4893243 Control device for maintaining constant speed of an automobile  
A control device for maintaining a constant speed of an automobile, having an internal combustion engine with a throttle valve and an actuator for the throttle valve. A degree of opening of the...
4890231 Method of disabling a resume switch in an electronic speed control system for vehicles  
A decision is made to disable the resume switch if it is found in an engage condition at the same time that normal electronic speed control cut-outs are in effect due to conditions such as: brake...
4885690 System for optimizing driving parameters in utility vehicles  
A device and method for optimizing operation of a utility vehicle is disclosed. The optimizing device comprises engine and transmission data sensors which input current operating parameters to a...
4883034 Engine idling speed control system  
A system for controlling idling speed of an internal combustion engine in which a speed sensor senses rotational speed of the engine. A determinator is provided for determining whether the engine...
4881173 Electronically controlled automatic speed changing apparatus  
A desired speed stage is preselected and at a time when a car speed reaches a speed commensurate with the preselected speed stage, a present speed stage is changed to the preselected speed stage.
4879655 Constant speed cruising control apparatus  
A constant speed cruising control apparatus includes an overdrive controller for controlling the overdrive position of an automatic speed changer, as well as an overdrive switch for the automatic...
4879657 System and method for electronically controlling a vehicular engine operation having a safe function  
A system and method for electronically controlling a vehicular engine operation in accordance with an accelerator operation which can utilize a system for automatically controlling a vehicle speed...
4877101 Constant-speed control device for a vehicle  
A constant-speed control device for a vehicle including a fuel cut device and a suspending device which suspends a fuel cut operation. An actuator is provided for controlling a throttle valve so...
4870584 System and method for automatically running a vehicle at a desired cruising speed  
A system and method for automatically running a vehicle at a desired cruising speed, in which a running resistance of the vehicle is always derived, a target opening angle of a throttle valve of a...
4870586 Air-fuel ratio control system for an internal combustion engine with an engine load responsive correction operation  
An air-fuel ratio control system for an internal combustion engine mounted on a vehicle with a transmission, including an oxygen concentration sensor producing an output signal whose level is...
4870583 Constant speed cruise control system of the duty ratio control type  
A constant speed cruise control system of duty ratio control type for approximating an actual car speed to a stored target car speed, by on/off control of a control valve of an actuator to adjust...
4870587 Method of discriminating a stroke of a 4-cycle internal combustion engine  
An engine stroke discriminating method and apparatus for a 4-cycle internal combustion engine which discriminates a stroke of the engine with accuracy, the method and apparatus being simple in...
4866623 Controller for an acceleration slip on a driving wheel  
A controller for controlling an acceleration slip on a driving wheel of a vehicle comprising a vehicle speed detector, a driving wheel speed detector, a reference speed setting device for setting...
4862369 Electronically-controlled fuel injection system  
An electronically-controlled fuel injection system having a synchronous counter which receives main injection time data corresponding to an amount of fuel to be injected synchronously to engine...
4862367 Automatic speed control apparatus for controlling vehicle speed at set speed  
An automatic speed control apparatus for controlling the running speed of a vehicle at a constant set speed includes an auxiliary intake passage providing direct communication between portions of a...
4860211 Air fuel ratio control apparatus  
An air fuel ratio control apparatus, performs fuel decrease compensation during deceleration with respect to an air fuel ratio upon detection of a returning operation of a throttle valve. To avoid...
4852011 Apparatus for controlling the speed of an internal combustion engine vehicle  
In a vehicle speed control apparatus for an internal combustion engine vehicle, in which the first amount of fuel supply required for maintaining the vehicle speed at a desired speed and the second...
4849896 Method for triggering a switching function  
The invention is directed to a method for triggering switching functions in which the latter are triggered when the position signal emitted by a position transmitter exceeds or falls below a...
4849892 Method of determining and using an acceleration correction in an integrated acceleration based electronic speed control system for vehicles  
A method of determining and using an acceleration correction in a acceleration based electronic speed control system for automobiles, the method being utilized by a microcontroller. An error...