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WO/1991/008984A1 |
The invention concerns basic calcium aluminium hydroxyphosphites of the general formula: Ca¿x?Al¿2?(OH)¿2(x+2)?HPO¿3?.mH¿2?O in which x = 2 to 8 and m = 0 to 12 as well as a process for their production. The compounds described are ...
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WO/1991/009290A1 |
A robot driver for a motor vehicle having a central casing (4) to be secured in the passenger compartment (1) and operating components (5) for pedals (6) and gear lever can be secured stably in the passenger compartment without any compl...
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WO/1991/005233A1 |
The proposal is for a process for detecting irregular running in an internal combustion engine (10) in which a signal processing arrangement (13 - 19, 30, 50, 51) detects the running of the engine from a signal (Ub) arising at a generato...
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WO/1991/002892A1 |
The invention relates to a process for monitoring the power output of the individual cylinders of a multicylinder internal combustion engine. During the working cycle of each cylinder, the instantaneous speed over a given angle of rotati...
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WO/1991/000955A1 |
Proposed is a unit for controlling and/or monitoring the combustion in internal-combustion engines, with several sensors (14) which determine the status of the combustion chambers (10) of the internal-combustion engine. At least one of t...
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WO/1990/015235A1 |
Erractic running in an internal combustion engine is measured using the following equation: LUW = f(T) x |(T_V2 - T_V1) - (T_V3 - T_V2)|, where T_V1, T_V2 and T_V3 are combustion periods each of which is measured between two given segmen...
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WO/1990/015243A1 |
In a process for detecting and evaluating knock signals in the individual cylinders of an internal combustion engine, the signals from a pressure sensor arranged in a combustion chamber of the cylinder of interest are converted, after am...
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WO/1990/007051A1 |
An engine crankshaft speed signal comprising pulses produced by a toothed wheel (17) and a sensor (41) is monitored to develop instantaneous power output vector signals, one for each engine cylinder (12-15). Engine knock is detected by c...
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WO/1990/006432A1 |
To avoid combustion of unburnt fuel/air mixture in the catalyser (34) of an exhaust system (30) of an internal combustion engine (10), the temperature (T1 - T4) of the exhaust gases is measured in the individual exhaust elbows (46-52). T...
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WO/1990/006499A1 |
A luminosity and temperature detector for an internal combustion engine (11) and method for measuring luminosity including a light probe (18) and photodiode (23) that receives the light transmitted from the light probe. The photodiode is...
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WO/1990/004093A1 |
A device for recognizing spark failures in an internal combustion engine has a sensor (15) for measuring the exhaust gas pressure and means (16, 17, 18) for recording the measurement value of the sensor during each cycle. Each exhaust ga...
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WO/1990/003558A1 |
The apparatus for measuring the comparative output power of each cylinder of a multi-cylinder engine comprises a digital signal processor (1) and a phase locked loop detector (2). By inputting instantaneous current measurements from (e.g...
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WO/1990/002871A1 |
To protect a catalyser in the exhaust system of a multicylinder internal combustion engine equipped with fuel injection, the combustion processes in the individual cylinders are monitored by monitoring irregularity in the running of the ...
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WO/1989/012810A1 |
A mixture control device is disclosed that is used to test internal combustion engines. The device is usually temporarily installed on an engine to test catalytic converters, to clean internal engine parts or to determine specific operat...
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WO/1989/011031A1 |
An internal combustion engine (11) having a luminosity probe (18) and an arrangement for measuring certain parameters such as IMEP, combustion chamber pressure, heat release and the like by measuring luminosity in the chamber (16) and ad...
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WO/1989/011030A1 |
In a process for lambda value control, not only is the actual lambda control value measured by means of a lambda sensor responsive to abrupt charges, in order to determine control deviations, but an averaged lambda value is used as an ac...
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WO/1989/009333A1 |
Spark discharge voltage follows a falling flank (11) for at least a predetermined period (B) of at least 0.1 ms during normal combustion of the fuel/air mixture in the combustion chamber of an internal combustion engine. Should combustio...
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WO/1989/005447A1 |
A device is useful for measuring the distance between an electrically conductive part which moves in a limited space and a reference point, in particular for determining the upper dead center of the piston of an internal combustion engin...
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WO/1989/004426A1 |
An annular permanent magnet rotor (8) is mounted around and fixed to a crankshaft (4) of an internal combustion engine (2) and has a plurality of circumferentially spaced magnetic poles (14) of sequentially alternating north-south polari...
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WO/1989/004423A1 |
A method detects the magnitude of knock in an internal combustion engine (14). A signal (28) responsive to a cavity resonance frequency (f) of a combustion chamber (16, 18, 20, 22, 24, 26) of the engine (14) is processed to produce a kno...
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WO/1989/003983A1 |
Conventional methods for determining the combustion pressure of an internal combustion engine are very costly and the sensors used must meet stringent requirements. The process described differs from this in that the combustion pressure ...
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WO/1988/005496A1 |
In all processes used until now to drive a computer-controlled final control element in connection with a self-test of the computer, the final control element is at first maintained in a defined reference position and is only released to...
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WO/1987/004802A1 |
An inspection system (30) in which a fiber optic borescope (34) has an elongated flexible body (42) extending between a control head (44) at a proximal end and an objective assembly (46) at a distal end. The distal end is slidably insert...
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WO/1987/003975A1 |
Process for automatically controlling control devices having at least a data and/or program memory, by which an identification code is transmitted by the control device to the monitoring device before monitoring starts, so that the monit...
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WO/1986/004190A1 |
A re-regulation circuit operates in the environment of a vehicle alternator/charging system and cooperates with the standard regulator (24) to prevent momentary loss of load from reducing the field (14) excitation to such an extent that ...
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WO/1986/002411A1 |
A device for controlling and monitoring processes in a motorized vehicle, especially ignition and fuel injector processes, in which a series-produced microcomputer (10) incorporated in the vehicle for the calculation of these processes a...
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WO/1986/000131A1 |
A sight tube assembly (15 and 14), in combination with a sensing instrument (10), such as an optical pyrometer, for use in continuously monitoring the temperature of the first row of rotating blades (23) in large gas turbines, particular...
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WO/1985/005445A1 |
A reference pulse verification circuit in which a sensor (15) senses the passage of a number of teeth (12) which project from a wheel (11) rotated by an engine crankshaft (14). The projecting teeth (12) are uniformly disposed about the w...
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WO/1984/002787A1 |
Apparatus (10) for diagnosing and displaying the condition of various components in an electro-mechanical vehicle or other system. The apparatus (10) includes command signal producing devices (12), control signal receiving devices (14), ...
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WO/1984/001030A1 |
The dynamic properties of a machine (18) are defined by its kinetic energy, potential energy and dissipation functions. The machine is also identifiable by means of the nonviscous friction therein. These properties form the basis for the...
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WO/1984/000417A1 |
A signal analyzer for detecting engine defects includes sensors (11-17) for detecting engine operating parameters such as engine speed, engine exhaust manifold pressure, engine intake manifold vacuum, blowby gas pressure in the engine cr...
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WO/1983/002668A1 |
Gas analyzing techniques for monitoring the amount of oxygen in the exhaust of motor vehicles. An oxygen sensor (10) produces a sensor signal having a sensor value proportional to the partial pressure of the oxygen produced by the motor ...
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WO/1983/002023A1 |
An ignition analyzer apparatus (10) for testing the condition of the ignition coil (80) of an internal combustion engine performs the testing while the engine is running and without requiring removal of a spark plug wire. The apparatus i...
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WO/1983/001990A1 |
An engine analyzer (10) for an internal combustion engine includes an analog-to-digital (A/D) converter (132) which digitizes an analog electrical input waveform representing, for example, a secondary or primary voltage waveform of the i...
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WO/1983/001654A1 |
Apparatus for monitoring an internal combustion engine, comprising substantially an electronic counter (1) which receives ignition pulses (A) from the engine and generates, when the engine has done a predetermined number of revolutions, ...
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WO/1982/003714A1 |
The signalling device provides a signal indicating the need for a maintainance service when a limit value of a given magnitude is reached. This magnitude is function of the total number of revolutions of an output shaft or of any other r...
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WO/1982/002947A1 |
A method is provided for detecting abnormal combustion phenomena in an internal combustion engine and a device for implementing such method according to which a parameter characterizing the combustion is detected by means of a sensor, pr...
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WO/1982/000887A1 |
Apparatus (11) for moving a member in accordance with a predetermined speed curve (1) having a plurality of sequential intervals (0-0', 1-2, 2-3, 3-4, 4-5, 5-6, 6-7, 7-8), including controlled devices (12, 14, 16, 18, 30, 34, 40, 44) for...
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WO1982000199A1 |
Method and apparatus for measuring ignition timing of an internal combustion engine (10) wherein angular position of the engine crankshaft is monitored while microwave radiation is injected into a selected engine cylinder. An angular pos...
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WO/1981/003049A1 |
An apparatus for controlling the ignition timing of an internal combustion engine, in which knocking signals are detected from the output of vibration acceleration sensor without receiving obstructions caused by many noise components con...
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WO/1981/002323A1 |
Method for generating a reference signal in a knock detector connected to an internal combustion engine (1), the output signal of which represents the degree of knocking in the engine (1). For the purpose of obtaining a simple reference ...
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WO/1981/001725A1 |
An automatic shut-down device for Diesel engines which shuts-down the engine by interrupting the supply of fuel upon detecting reverse rotation of the engine. A Diesel engine for use in an automobile undergoes reverse rotation with relat...
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JP7470072B2 |
To precisely detect an abnormal vibration of a frequency in a normal vibration range or nearly in a normal vibration range.The device for detecting an abnormal vibration includes: a predicted value generation unit for generating a predic...
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JP7466283B2 |
To relate to a damage detection method for a bearing of an engine using a vibration signal, in which even when there is no sensor for directly detecting damage of a bearing, the damage of the bearing can be detected by processing the vib...
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JP2024038381A |
[Problem] To obtain temperature traceability of a test vehicle. [Solution] A vehicle management device 30 that manages temperature information of a test vehicle V, and a first temperature sensor T1 provided in a soak room S2 where the te...
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JP2024033635A |
[Problem] In the combustion control of automobile engines, efforts are being made to realize high-performance control according to combustion conditions. However, control using a cylinder pressure sensor requires a lot of time for numeri...
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JP7448463B2 |
To provide a structure for automatic operation configured to prevent collected oil from leaking in an analysis apparatus which measures blow-by gas.A blow-by gas discharged from an engine 1 reaches a measurement unit 12 through an air pa...
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JP7446087B2 |
The present invention makes it possible to provide temperature traceability for a test vehicle. A vehicle control device 30 controls temperature information for a test vehicle V and includes a peripheral temperature acquisition unit 31 t...
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JP7444731B2 |
A computer executes processing of: generating a test pattern in which a plurality of manipulated variables used for an engine test change in chronological order; correcting the test pattern based on first coverage of a first space that t...
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JP7444732B2 |
A computer generates test patterns in which a plurality of manipulated variables used for an engine test are changed with time, corrects the test patterns based on first coverage of a first space of manipulated variables are allowed to t...
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