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Patent Searching and Data


Matches 901 - 950 out of 21,892

Document Document Title
WO/1997/043525A1
A movable wall member in the form of an exhaust valve spindle (1) or a piston (7) in an internal combustion engine is on the side of the wall member facing a combustion chamber provided with a hot-corrosion-resistant material (5, 14) mad...  
WO/1997/041341A1
An internal combustion engine includes a cylinder (21), a head (58) closing one end of the cylinder (21) and a piston (24) slidably mounted in the cylinder (22) for reciprocating motion in the usual manner, wherein reciprocation is conve...  
WO/1997/040997A1
An economic operating system is disclosed for motor vehicles with internal combustion engines and gear boxes. One or several threshold values may be predetermined for each speed of a gear box. When these values are exceeded, a regulation...  
WO/1997/036097A1
By picking up combustion noises in the individual cylinders with the aid of structural noise sensors and subsequently checking whether or not the sensor signals exceed threshold values specific to each cylinder within or outside establis...  
WO/1997/035048A1
The invention relates to the field of high-energy machine construction. The method of protecting high-energy machinery which uses hydrogen as a working medium involves reducing the diffusion of hydrogen into the structural metal of the s...  
WO/1997/027370A1
The invention relates to a soundabsorbing element including a sheet of material with holes in it and a process for manufacturing the same, in which the material sheet is self-supporting and the holes are microslits (1) arranged at predet...  
WO/1997/019263A1
Described is an acoustic-insulation device using sound-absorbing elements, in particular for internal-combustion engines. The invention calls for the engine to be surrounded by an enclosure fitted with sound-absorbing elements. Labyrinth...  
WO/1997/017533A1
There is provided flushing apparatus comprising a housing (10) enclosing a space (11) adapted to contain water. A valve (24) allows selective introduction of a flushing liquid to the space (11). A delivery pipe (14) extends from a lower ...  
WO/1997/014032A1
Improved methods for managing a population of metal components subject to fatigue failure are provided. The residual compressive stress in the critical surfaces of such components, especially in areas of high stress concentration, are me...  
WO/1997/010423A1
Described is a method of operating a fuel-injection device, and a fuel-injection device suitable for operation by this method, the fuel being fed in measurable amounts under high pressure to a high-pressure fuel reservoir (1) whose press...  
WO/1997/009523A1
The activity of catalytic engines is maintained over time, preferably while reducing emissions of pollutants. Platinum group catalysts deposit on the internal surfaces of the cylinder which make up the combustion chamber. In one embodime...  
WO/1997/003280A1
A two-stroke crosshead engine with uniflow scavenging has a coke scraping ring in a cylinder and a piston (18) longitudinally displaceable in the cylinder and provided with piston rings (19, 19') which slide along the substantially cylin...  
WO/1996/041074A1
Flashback of flames (14, 15) in premixed combustion systems is avoided by passing premixed fuel and air (10) prior to combustion through a series of two or more close coupled nonaligned multi-channel monoliths (11, 12).  
WO/1996/038664A1
The description relates to a device for detecting a leak in a fuel supply system in an internal combustion engine and especially a diesel engine, in which fuel is supplied to the injection valves at high pressure. The fuel pressure is co...  
WO/1996/037695A1
A method of controlling a fuel injection apparatus for internal combustion engines, and is capable of preventing the breakage of a component exposed to high-temperature heat, such as an exhaust manifold. According to the present inventio...  
WO/1996/034398A1
The invention relates to a mica-containing material for insulation and/or damping purposes, in which blown or blown and unblown powdered mica is bonded to a flat substrate having apertures.  
WO/1996/033341A1
Improved cleaning machine applicable to circuits of internal combustion engines, comprising the incorportation on a support frame of a sucking and forcing pump (7), connected to a tank and provided with an absorption nozzle (19) by means...  
WO/1996/031689A1
Equipment for visualizing and regulating the delivery and the grade of atomization and for optimizing the zone of introduction of a blend of detergents into air intake manifolds, exhaust manifolds and combustion chambers of endothermic e...  
WO/1996/031693A1
Described is a device for detecting a leak in a fuel-supply system, the device measuring the fuel-pressure gradient after the fuel pump has been switched off and indicating the presence of a leak if the over pressure in part of the fuel-...  
WO/1996/027080A1
A method for diagnosing a fuel vapour recovery system using a pump (10) with a membrane (11) particularly including means (12) for generating a signal indicating a predetermined position of the membrane, and a system venting valve (15) t...  
WO/1996/026256A1
A composition containing as constituents zinc phosphate, solvent, surfactant, natural vegetable oil and mineral oil for cleaning the interior of an internal combustion engine and cleaning and coating metallic surfaces of rotating and sli...  
WO1996018456A3  
WO/1996/026255A1
A method for protecting internal combustion engines using a compound selected for its solubility or pseudo-solubility in liquid hydrocarbons, and added to the internal combustion engine fuel supply in a sufficient concentration to form a...  
WO1996015211A3
A motor oil performance-enhancing engine treatment oil additive formulated for addition to conventional motor oil to improve the lubricating properties of the engine oil and enhance the performance of the engine. The novel engine additiv...  
WO/1996/022457A1
When the engine is operated under a light-load condition, a gas mixture is stratified with a high average air-fuel ratio in the combustion chamber (5). NOx produced in this case is absorbed in an NOx absorbent (26) provided in the exhaus...  
WO/1996/018456A2
New gel compositions which comprise a carbonaceous component attached to a gel component. Preferably, the carbonaceous component is selected from the group consisting of: carbon blacks, carbon fibers, activated carbons and graphitic carb...  
WO/1996/015863A1
A cleaning method for gas turbine engine (10) airfoils (30) includes a step of immersing an ultrasonic agitator, such as a welding horn (60), into a tank (52) with a cleaning solution (54) and a step of directing the ultrasonic agitator ...  
WO/1996/016146A1
This invention relates to the use of lubricating oils containing certain ashless dispersants comprising an oil-soluble polymeric hydrocarbon backbone having functional groups in which the hydrocarbon backbone is derived from an ethylene ...  
WO/1996/015211A2
A lubricant additive formulation for addition to conventional motor oil to improve the lubricating properties of the engine oil and enhance the performance of the engine. The engine treatment oil additive comprises a synergistic blend of...  
WO/1996/014516A1
A seal including a body (11) with a recess (8) at one end engageable by a spanner, and a screw thread (2) at the other end for engaging a complementary screw thread (7) in an opening (6) of a housing (3). A locking ring (31) biased by a ...  
WO/1996/011332A1
A fluid cooled internal combustion engine is described that comprises means (12 and 14) for measuring the combustion peak pressure and the coolant temperature. From the measured values, a computer (18) estimates the average heat rejectio...  
WO/1996/005276A1
Copolymers and functionalised copolymers comprising ethylene units, in combination with non ethylene copolymer derivatives, give improved engine piston cleanliness when used as lubricating oil additives.  
WO/1996/005591A1
A sound absorber (1) has a bottom (3) and a structure (3) with hollow chambers (4) shaped as little boxes or cups with walls (5, 5', 6, 6'). The bottom (3) is joined, for example welded, to the structure (2) and the hollow chambers (4) a...  
WO/1996/000943A1
A method and apparatus are disclosed for monitoring similar machine components loaded in parallel to produce diagnostic trend information used to predict component degradation or failure. Split exhaust manifolds (18, 20) are each provide...  
WO/1995/034619A1
This invention relates to lubricating oils containing certain ashless dispersants comprising an oil soluble polymeric hydrocarbon backbone having functional groups in which the hydrocarbon backbone is derived from an ethylene alpha-olefi...  
WO/1995/033582A1
This invention concerns a hand-held portable transmission cooler (50) comprising a high pressure liquid spray gun (10) and a hose (48) connected to the liquid spray gun (10). The liquid spray gun (10) comprises an air inlet plug fitting ...  
WO/1995/031715A1
Improved methods for managing a population of metal components (10) subject to fatigue failure are provided. The residual compressive stress in the critical surfaces of such components (10), especially in areas of high stress concentrati...  
WO/1995/030032A1
A cleaning method for gas turbine engine airfoils (30) includes a step of autoclave process cleaning and a step of chelating agent solution cleaning. The cleaning method also includes water rinsing after the autoclave cleaning and after ...  
WO/1995/029276A1
Apparatus for the cleaning and degreasing of heavy engineering components, for example by organic solvents, is self-contained, and provides for solvent recovery and recycling. A housing (10) provides for movement of a basket, within whic...  
WO/1995/028236A1
An engine cleaner composition and method for removing carbonaceous deposits from engine fuel-system components such as mechanical and electronic fuel injectors, intake valve seats, valves, combustion cylinders, spark plugs, and oxygen se...  
WO/1995/023658A1
A cleaning apparatus (10) for cleaning the burning chambers (BC) of engines to remove carbon monoxide deposits and other accumulated residue therefrom. The apparatus (10) includes a holding tank (14) for containing a predetermined amount...  
WO/1995/023406A1
An apparatus comprising a sound-proofing hood (18) enclosing a frame (17) rigidly connected to the base (2) of the machine (1), and surrounding said machine, said hood (18) being resiliently supported on the frame (17) via resilient susp...  
WO/1995/017979A1
Cleaning internal combustion engines (16) includes drawing cleaning fluid from a reservoir (22) by a pump (74), flushing through the block of the internal combustion engine (16), and returning the fluid to the reservoir (22) by the pump ...  
WO/1995/018291A1
An adapter system for use with an internal combustion engine flushing apparatus which permits connection to the crankcase (26) and the oil filter (36) of internal combustion engines. A first adapter (40) enables a conduit hose of a flusi...  
WO/1995/017978A1
Engine cleaning is affected at different times while the engine is running. Apparatus for cleaning internal combustion engines cyclically draws cleaning fluid from a reservoir by a pump, flushes the fluid through the block of the interna...  
WO/1995/016856A1
The present invention aims at improving a misfire detecting accuracy by making a detector learn a misfire level constituting a misfire judgement standard. An indicated mean effective pressure is calculated by integrating an inner pressur...  
WO/1995/016121A1
The invention pertains to a piston engine, especially piston internal combustion engine, wherein cylinders, pistons, crankshaft and crankshaft bearings are arranged in an engine block (1), areas of the engine block being fitted with cap ...  
WO/1995/015432A1
An engine generator set apparatus (40) including an internal combustion engine (50) including a drive shaft driving an electrical generator (42), the engine (50) and the generator (42) being disposed along a longitudinal axis. A housing ...  
WO/1995/012752A1
The present invention relates to a technique for estimating in a simple and accurate fashion the temperature of an exhaust emissions purifying catalyst provided on an engine of a vehicle. To be specific, assuming that the temperature Tws...  
WO/1995/006815A1
The proposal is for a process for cleaning a soot filter in the exhaust system of an internal combustion engine powered by diesel fuel via injection pumps (1) and the appropriate pressurised injection lines (11, 14), in which a liquid ad...  

Matches 901 - 950 out of 21,892