Matches 1 - 50 out of 162 1 2 3 4 >
Match Document Document Title
7341032 Dynamic camshaft apparatus  
A dynamic camshaft apparatus includes, according to one embodiment, a moveable camshaft connected to an engine. The moveable camshaft has a first position when the engine is started and at low...
7334550 Valve train and cam lobe  
A camshaft for an internal combustion engine includes a cam lobe for actuating a valve. The cam lobe has an opening ramp profile that acts to loft the valve gear away from contact with the cam lobe...
7334546 Cylinder liner  
A ductile repair cylinder liner for a diesel engine, the cylinder liner having an additional cooling groove with a parabolic varying cross-section machined into the outer surface of the cylinder...
7331095 Method of hydroforming a workpiece  
The invention concerns a method whereby components are arranged in a mounting device, outside an internal high-pressure forming press, in accordance with their position and their function, such...
7325305 Method for producing a built shaft  
A method of producing a built shaft in which at least one part, particularly a cam, is mounted on the shaft, particularly a camshaft, includes inserting the shaft into an opening of the part....
7322330 Method for linking element to hollow shafts, preferably for producing camshafts, and resulting camshaft  
A Method for the linking of cam rings to hollow shafts. In a first process step, the cam rings are manufactured, so as to generate their function-related contour, from two individual rings of...
7314031 Camshaft arrangements for engines  
A camshaft assembly 16 is disclosed for an engine 10 , along with a method of producing the camshaft 16 . The camshaft includes a support shaft 22 that carries in the region of one end 26 a...
7308878 Valve timing control apparatus  
A valve timing control apparatus includes a driving side rotational member, a driven side rotational member formed with a plurality of recessed portions into which a supporting jig is insertable at...
7305953 Built multiple cam  
A built multiple cam is disclosed which can be produced at low cost and which can be used in a flexible manner and which requires a small amount of construction space in an axial direction. The...
7290515 Camshaft and method for producing a camshaft  
In a camshaft for an internal combustion engine having a cam disk support shaft, to which a plurality of cam disks and a drive wheel are attached, the outer radius of the cam disk support shaft...
7284521 Shaft mechanism, in particular camshaft of automotive engines  
A camshaft of an automotive engine includes two concentric contra-rotating shafts mounted one inside the other, namely an inside shaft and an outside shaft, at least one cam rotatably mounted on...
7249581 System with camshaft and camshaft receptacle  
The invention relates to a system, comprising a camshaft with at least two bearing points, a two-part camshaft receptacle which has, in a lower part, at least two bearing saddles and, in an upper...
7246588 Assembled camshaft for engine and production method thereof  
An assembled camshaft ( 10 ) for engine includes: a cam lobe piece ( 12 ); and a hollow shaft member ( 11 ) having at least two shaft fixing surfaces ( 11 A) formed by plasticity process on a...
7234428 Cam shaft assembly for an engine  
An internal combustion engine including an engine housing having a cam chamber and an aperture providing access to the cam chamber. The engine also includes an insert at least partially made from...
7228831 Camshaft and oil-controlled camshaft phaser for automotive engine  
An adjustable camshaft system for an automotive engine includes a camshaft having machined and fabricated axially-directed control passages combined with an oil-activated camshaft phaser. The...
7159549 Variable valve system of internal combustion engine  
A camshaft is formed at a generally middle portion with an enlarged cylindrical portion. An annular vane member is mounted on the enlarged cylindrical portion and secured thereto by means of a nut....
7143510 Method of fabricating a shaft assembly  
An assembly provides metallic ends to a composite shaft and a method of fabricating such an assembly. The composite shaft is preferably comprised of reinforced fibers. A metallic inner sleeve is...
7117832 Device for adjusting a camshaft of an internal combustion engine of a motor vehicle  
A device for adjusting a camshaft of an internal combustion engine of a motor vehicle has a stator and a rotor fixedly connected to a camshaft and rotatable relative to the stator. A drive wheel is...
7096575 Method of and device for joining assembled hollow shafts  
A method and device for joining assembled hollow shafts which consist of a tube and several attachable parts such as cams, flanges, bearing sleeves, pulse generating devices, toothed gears and...
7069892 Camshaft for automotive engines in particular  
A camshaft for automotive engines in particular, comprising at least one first cam ( 5 ′) and at least one cam segment ( 6 ) which is rotatable to a limited extent with respect to the first cam (...
7069889 Camshaft, especially for an internal combustion engine of a motor vehicle, comprising shiftable cams  
Disclosed is a camshaft, especially for an internal combustion engine of a motor vehicle, comprising at least one cam that is provided with cam segments ( 2, 3 ), which can be displaced relative to...
7036473 Adjustable cam shaft  
An adjustable cam shaft includes an elongated shaft which may include multiple shaft sections rotatably coupled to one another. Intake and exhaust cam lobes are carried by the one or more shafts...
7025024 Zero belt camshaft  
The invention relates to a camshaft comprising a tubular shaft ( 1 ) and cams ( 2 ) which are radially disposed thereon. Said cams ( 2 ) respectively engage with the shaft in a perfect fit ( 1 )...
7020962 Method for producing a cam for a camshaft  
The invention relates to a method for producing cams ( 1 ) for a camshaft. The cams are produced by bending together the ends of long profile strips ( 4 ) or by bending and putting together several...
6993837 Method for assembling a camshaft  
The invention relates to a method for assembling a camshaft by using a shaft ( 10 ) and a plurality of cams ( 21–26 ) comprising respectively an opening for the shaft. According to the invention,...
6961998 Method for producing a hollow shaft, in particular a camshaft and a camshaft produced according to said method  
Hollow shafts, and particularly camshafts, are produced using an internal high-pressure forming (IHF) process. Cams and/or machine elements are mounted at intervals onto the outer surface of the...
6935292 Camshaft with curvature  
Camshaft configurations are increasingly more closely assembled in motor vehicle engines such that access to the cylinder head bolts is obstructed. Indentations 2 along built-up camshafts, which...
6910251 Transport and assembly device  
A transport and assembly device for assembling a shaft seal, particularly one with a seal lip directed radially toward the inside, into a camshaft arrangement for an internal combustion engine is...
6907660 Method of mounting a camshaft on the cylinder head of an internal combustion engine  
In an arrangement and method for mounting a camshaft onto a cylinder head of an internal combustion engine by camshaft bearings disposed on the cylinder head of the engine camshaft bearing by...
6892687 Camshaft and a method and a device for producing the same  
A camshaft has a cylindrical shaft ( 1 ) and a hollow, cylindrical cam ( 2 ). The hollow, cylindrical cam ( 2 ) is pushed onto the cylindrical shaft ( 1 ) and securely fixed to the cylindrical...
6834629 Three dimensional cam, grinding method and grinding apparatus  
An improved cam and follower arrangement suitable for actuating, for example, poppet valves of an internal combustion engine and method and apparatus for forming the cam surface. This permits the...
6804884 Method for the production of an assembled camshaft and device for implementing said method  
A method for producing an assembled shaft, especially an assembled camshaft, whereby parts, especially cams, are placed on a shaft in predetermined axial and peripheral positions and joined by...
6775908 Production method of cam lobe piece of assembled camshaft  
A method of producing a cam lobe piece of an assembled camshaft in a valve operating system for an internal combustion engine. The method comprises (a) forming a profile of the cam lobe piece by...
6742254 Method of manufacturing a camshaft  
Internal combustion engine performance can be enhanced by precise cylinder firing. To accomplish this objective, a preferred billet camshaft rebuilding method provides removing and replacing the...
6725818 Variable camshaft assembly  
A variable camshaft assembly has a first cams 18 a , 18 b that can be moved relative to a second cam 16 . The assembly comprising a tube 14 fast in rotation with the first cam 18 and...
6718924 Design and assembly method of a low cost camshaft  
A camshaft assembly and method of making a camshaft assembly is disclosed. Each of the cams includes a lobe boss portion that defines the cam lift profile, and a base portion that provides a...
6684500 High speed milling and turning/turn broaching/turning and turn broaching  
A method and apparatus for machining workpieces with rotationally symmetrical surfaces, for example crankshafts, by which the setting and idle times are minimised, transposition of the workpiece to...
6615468 System for manufacturing built-up camshafts  
A process and system for manufacturing a built-up camshaft by which the operational safety of the camshaft is ensured in a simple manner in any engine operation and the camshaft can arbitrarily be...
6591713 Modular camshaft assembly  
A modular camshaft assembly having an elongated shaft, at least one cam lobe assembly, at least one spacer assembly, and a cam adapter assembly is disclosed. Each cam lobe assembly is selectively...
6581284 Device and process for joining fitting parts on hollow profiles by means of fluid high internal pressure  
A device and method for joining fitting parts provided with a passage opening on hollow profiles through partial expansion of the hollow profiles at the location of the fitting parts is provided....
6510762 Member comprising several layers of a flat material and method for making the same  
A control cam or a gear wheel having a plurality of layers of flat material placed one on top of the other. Each of the layers of flat material is of a multi-part form with partition lines that...
6502538 Cam for composite camshaft  
A cam with a bore that has a funnel-shaped core-insertion section. To ensure that the cam will rest more securely against the core and remain more precisely centered, the section ( 5 ) comprises at...
6484396 Method for manufacturing a camshaft having added wear resistance of the lobe  
A method of manufacturing a camshaft used in an internal combustion engine. The method of manufacturing the camshaft produces a camshaft which has reduced weight and added wear resistance at a lobe...
6473964 Method of fabricating camshafts  
A method of attaching and adjusting first and second members includes providing a first member having an outer surface and a second member. The second member is affixed to the outer surface of the...
6467166 Method of forming a camshaft for an engine  
A multi-valve internal combustion engine having a plurality of valves having skewed axes that are operated by cam lobes of a single cam shaft. The cam shaft operates the valves through rocker arms...
6460506 Spark plug having an encapsulated electrode gap  
Encapsulated spark plugs improve combustion control in spark ignited engines. The present invention improves reliability and life of an encapsulated spark plug. A spark plug shell has a connection...
6442835 Camshaft for decreased weight and added wear resistance of lobe area  
A camshaft used in an internal combustion engine which has reduced weight and added wear resistance at a lobe of the camshaft. The camshaft is provided to add increased wear resistance and reduced...
6438836 Method for producing a cam that can be placed on a hollow shaft to form a camshaft  
A process is provided for the production of a cam to be joined to a hollow shaft to form a camshaft. In order to make the cam suitable for stable long-term operation on the camshaft, the internal...
6374489 Method for manufacturing camshaft  
A method for manufacturing a camshaft by inserting a hollow shaft 3 made of steel into an axial hole 400 of a cam lobe 4 made of a sintered alloy, by expanding the hollow shaft 3 by...
6367140 Device for holding cams during their binding on a tube by expansion of the tube  
A device for holding sintered cams during their binding on a tube by expansion of the tube, including, for each cam, two blocks intended for enclosing the cam in housings complementary to the cam...
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