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WO/1993/025888A1 |
A method and apparatus for cleaning the fuel injection system (12) of a vehicle without disassembling the fuel injectors (34) from the vehicle engine (14). The apparatus includes pump means (54) separate and apart from the vehicle for fe...
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WO/1993/024751A2 |
Misfiring of individual cylinders in an internal combustion engine (10) is detected based on sensing exhaust pressure during each operating cycle of the engine. A pressure signal is generated by a pressure transducer means (20) which is ...
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WO/1993/024672A1 |
A thermal barrier coating for metal articles subjected to rapid thermal cycling includes a metallic bond coat deposited on the metal article, at least one MCrA1Y/ceramic layer deposited on the bond coat, and a ceramic top layer deposited...
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WO/1993/023663A1 |
An energy providing assembly is powered by a water cooled internal combustion engine (19) suspended within an enclosure (11) by compliant springs (18) and restrained by resilient snubbing means which limits movement of the suspended engi...
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WO/1993/010914A1 |
The specification discloses a cleaning apparatus (2) for cleaning machine and engine parts comprising a trough (4) in which the cleaning is performed. A lid (6) is connected to the trough (4) and is movable between a closed position cove...
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WO/1993/003938A1 |
In the operation of construction vehicles, the reduction of the noise associated with their operation has become a primary concern. A major source of the noise created by the operation of a vehicle resides with the engine and associated ...
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WO/1993/004272A1 |
A noise suppression enclosure (10) includes a housing (32) having a generally rectangular configuration and being divided into an engine portion (56) defining an engine compartment (57) and a duct portion (54). The housing (32) includes ...
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WO/1993/003119A1 |
The invention relates to a two-cycle oil additive, compositions and concentrates containing said two-cycle oil additive and methods of preparing and using the two-cycle oil additive which comprises the reaction product of (A) at least on...
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WO/1993/003120A1 |
This invention relates to a method, comprising the steps of: introducing into a two-cycle internal combustion engine a fuel-lubricant mixture comprising a major amount of a fuel and a minor amount sufficient to increase compression or re...
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WO/1992/021870A1 |
Machine assemblies often include driving and driven members such an engine associated with a driven load. These members typically include rotatable shafts (16, 18) interconnected by a flexible coupling element (20). System torsionals in ...
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WO/1992/021863A1 |
The mean oxygen richness (S0) of the exhaust gases is measured during a first engine operating phase during which the device for injection of air (2, 5, 6) is active and the mean oxygen richness (S1) of the air/exhaust gases mixture is m...
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WO/1992/020912A1 |
After the emission of a first ignition spark, a second spark is triggered, the initiation overvoltage (V2; V3) of this second spark is detected, this overvoltage is compared with a predetermined threshold voltage and the occurence or the...
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WO/1992/019398A1 |
A method for making a sound-dampened automotive enclosure, such as an oil pan (10), having a metal constraining layer (13) a metallayer (11), and a viscoelastic layer sandwiched therebetween. In a preferred embodiment, the constraining l...
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WO/1992/019848A1 |
An oil degradation measuring apparatus capable of measuring a concentration of insoluble contents in an oil and a total acid value. This apparatus comprises an insoluble component sensor (1) for measuring contamination of the oil and a t...
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WO/1992/018754A1 |
In a multi-cylinder internal combustion engine (1) having at least one cam shaft (3) which is driven by a crankshaft (2) via a transmission, the latter having a driving toothed pulley (4) at the front end of the crankshaft (2), a driven ...
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WO/1992/015781A1 |
A method of mounting a plurality of ignition coils (12) on an engine block comprises the following stages: moulding a casing (1) from an electrically insulating material to form a plurality of housings (4) for the said coils and incorpor...
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WO/1992/014557A1 |
Methods and apparatus (100) for cleaning operating gas turbines utilizing surfactant-based cleaning fluids are disclosed. It has been found that surfactant based cleaning fluids can effectively clean contaminant deposits from the interio...
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WO/1992/014050A1 |
A number of fuel injectors (20) are mounted on an elongated carrier (28) that is inserted endwise into an open end of an elongated hole in a member (24) such as a tube or an engine manifold. The fuel injectors' nozzles (20) are received ...
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WO/1992/012387A1 |
An electric power generating plant with an electric motor (11) driven by an internal combustion engine (4) is arranged in a chamber enclosed in a housing (1) surrounded by an insulating material (13) via a water jacket. A heat exchanger ...
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WO/1992/010653A1 |
The invention concerns a method of determining the location of the reaction zone (1) in the interior (3) of a catalytic converter (2) through which a fluid flows which contains components which can react by an exothermic catalysed reacti...
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WO/1992/009825A1 |
A liquid viscous damper which is compact and enables required torque to be set easily. A drive plate (3) is provided with a circumferentially slidable annular housing (35); a stopper mechanism for controlling the maximum torsional angle ...
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WO/1992/007176A1 |
An upper cylinder lubricator/cleaner device for fitment to the inlet manifold of an LPG (liquified petroleum gas), CNG (compressed natural gas), fuel driven automotive, internal combustion engine. The device has a plastic bottle (10) wit...
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WO/1992/004535A1 |
The invention concerns a method of operating an internal-combustion engine, in particular a vehicle engine, in which air is fed to the combustion chambers through an induction manifold in which different induction-pipe lengths and/or vol...
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WO/1992/003642A1 |
In a process for monitoring of the catalytic activity of a catalyst in the exhaust gas system of an internal combustion engine (3), a measured value of is temperature derived from signals generated by at least two temperatures probes (4,...
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WO/1992/003643A1 |
In a process for monitoring the function of a catalytic converter (1) through which a catalysable fluid, in particular an exhaust gas of an internal combustion engine (3), flows along a direction of flow from an inlet side (12) to an out...
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WO/1991/019890A1 |
A method for cleaning and protecting a cooling system (2) of a diesel engine (3) from corrosion and the effects of the corrosive by-products wherein a filter (1) is used to feed a dissolvable pellet (5) comprising dissolvable cleaning ag...
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WO/1991/019260A1 |
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 enables repairs to be made more efficiently....
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WO/1991/018198A1 |
A cylinder head gasket to seal the gap between the engine block and the cylinder head of a multi-cylinder internal combustion engine having a sealing plate with several combustion chamber apertures, combustion chamber seals around their ...
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WO/1991/014518A1 |
A carbon-cleaning apparatus (10) for diesel engines. Carbon-cleaning apparatus (10) includes a fuel-mixture supply tank (34), an auxiliary diesel-supply tank (52) and a fuel pump (75) interposed therebetween. Diesel fuel is pumped by fue...
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WO/1991/012426A1 |
An installation for venting the petrol tank of a motor vehicle has an adsorption filter (AF) with an aeration line (BL) which can be closed by a controllable shutoff valve (AV). The closable aeration line makes it possible to set specifi...
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WO/1991/010828A1 |
A means and method for measuring and controlling smoke emissions from an internal combustion engine (11) using a luminosity probe (18 and 19) which measures the luminosity of soot in a combustion chamber (16) of the engine (11). The lumi...
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WO/1991/010205A1 |
Samples are taken, in a time window surrounding the presence of a predetermined fault, of predetermined context variables, processing is applied to the acquired samples in order to derive from them a reduced form of these samples constit...
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WO/1991/007578A1 |
A composition is disclosed which cleans baked-on, carbonized sludges and varnish deposits from the internal surfaces of automobile, motorcycle and truck engines. The product comprises a mutually synergistic solution of selected cyclic co...
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WO/1991/006465A1 |
This invention relates to a sound- and heat-proofing apparatus of an operation valve of a hydraulic excavator or the like. The apparatus of this invention can reduce the temperature around the operator and hydraulic noise and can improve...
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WO/1991/006753A1 |
This invention relates to an intake/exhaust apparatus incorporated in an engine chamber of industrial equipment to introduce a sufficient quantity of air to the engine chamber. This apparatus produces less noise, and it has good appearan...
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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/1990/015232A1 |
A standing wave noise processing device for an internal combustion engine, etc., wherein a pair of flexible members (5a, 5b) are provided so as to surround a space (4) defined by members (2, 3) that undergo relative displacement, and the...
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WO/1990/015316A1 |
Diagnosis of an electronically fuel injected engine equipped with sensors connected to an on-board microcomputer. Use of a standard personal or portable computer (41) and a connector (43) for electrical connection to the sensors and the ...
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WO/1990/013740A1 |
A fuel distributor for fuel injection installations in internal combustion engines has a distributor casing (10) with a plurality of drillings (11) interconnected by a fuel supply pipe to take electromagnetically actuated fuel injection ...
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WO/1990/012955A1 |
An improved motor vehicle engine compartment (10) for protecting the engine from cold by retaining engine heat includes conventional side walls (11, 12), hood (13) and cowling (14). A front wall (16) adjacent the radiator (R) includes a ...
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WO/1990/004708A1 |
This invention relates to a heat insulated engine using a heat insulating material for a principal portion of a combustion chamber in an engine (1), having a compressor joined to a turbine (21), and provided with a turbocharger (2) for s...
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WO/1990/002782A1 |
A composition of nitro-amines which is useful in reducing color formation in diesel fuels, and in maintaining valve cleanliness in gasoline engines is disclosed herein. The compositions also reduce injector tip blockage in diesel and gas...
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WO/1990/001632A1 |
An internal combustion of high power density comprises a cooling circuit for the cylinder head (10) and cylinder in the region of the upper dead centre of the piston and cooling solely by oil injection into the cylinder in the lower regi...
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WO/1990/000675A1 |
In a process and a device for improving the combustion process of fuels with oxygen containing gases and a process for manufacturing said device, the combustion process is enhanced by bringing the reaction partners in the combustion proc...
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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/1989/009384A1 |
A pressure transducer (11) comprises a membrane (14) fastened by means of welded joints to the front face of the housing (10) facing the combustion chamber of an internal combustion engine. The pressure acting on the membrane (14) is tra...
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WO/1989/006839A1 |
An interchangeable diagnostic system (10) is disclosed which comprises a universal communications control station (12) and at least one removable data accessing cartridge (14) for enabling the same control station (12) to process data fr...
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WO/1989/006745A1 |
A carbon-cleaning apparatus (10) for diesel engines having an independent fuel-flow system including a diesel/chemical mixture fuel tank (34) adapted to be interconnected to a diesel engine at the engine's fuel injection, there being an ...
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WO/1989/006622A1 |
A device in drive units intended for boats, comprising an engine, a reversing gear, at least one propeller and a number of drive shafts (1) interconnecting said components, is designed to prevent reversing of the rotational direction of ...
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WO/1989/005912A1 |
Rigidifying or structural members are used to increase structural stiffness of cylinder block and consequently have reduced vibrations and noise emitted therefrom. These devices in the past have reduced serviceability, increased engine c...
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