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| Number | Title | Issue Date |
| 8117748 | Ballize in tension camshaft assembly process A method may include locating first and second lobe members of a camshaft on a first shaft. The first shaft may include an annular wall defining a bore. The first lobe member may be located on a first portion of the first shaft and may define a first end of the cams... | 02/21/2012 |
| 8108996 | Method of producing shafts A method of producing shafts such as shafts used in a transmission, particularly for a motor vehicle, is provided. A shaft base body and at least one gearwheel, which is at least substantially finished separately from the shaft and subsequently is fixed to the shaft... | 02/07/2012 |
| 8096050 | Double ballize camshaft assembly process A method may include locating a first lobe member of a camshaft on a first shaft having an annular wall defining a first bore and a first outer radial surface. The first lobe member may include a second bore receiving the first shaft. The method may further include ... | 01/17/2012 |
| 7975381 | Valve operating camshaft system for internal combustion engine A camshaft system includes a number of cam lobes locked upon a cylindrical shaft. Bearings configured with one-piece bores and are engaged with the cylindrical shaft. The bearings are captured upon the shaft by the locked-on cam lobes. ... | 07/12/2011 |
| 7895743 | Refurbished camshaft and method A method of refurbishing a camshaft (100) having at least one defective portion (202, 206) includes removing material from the at least one defective portion (202, 206) to create a neck region (302). An alignment feature (402) is i... | 03/01/2011 |
| 7845075 | Method for manufacturing a camshaft A camshaft has at least two completely machined individual cams fixedly mounted on a shaft in predetermined angular positions. The shaft includes an outside shaft and an inside shaft arranged concentrically in the former, and is to be manufactured in such a way that... | 12/07/2010 |
| 7721432 | Arrangement and method for producing a camshaft An arrangement and method for producing a camshaft comprised of a shaft (2) and of a number of cams (3, 3′, 3″) pressed thereon comprises at least two machining stations (11) of which at least one is provided in the form of knurling station ... | 05/25/2010 |
| 7581316 | Vane-type camshaft adjuster In a camshaft adjuster for an internal combustion engine including a housing, with two side cover sections and a middle jacket section arranged between the side cover sections and a rotor disposed in the housing, the jacket section is formed by a cross-cut profile s... | 09/01/2009 |
| 7484296 | Camshaft and method for producing a camshaft of this type The invention relates to a camshaft (50) comprising a shaft (13) onto which one or more annular cams (46′) are pushed and fixed in a positive and/or non-positive fit. To produce said camshaft in a particularly cost-effective, simple and flexib... | 02/03/2009 |
| 7431002 | Camshaft with contrarotating cams for automotive engines in particular A camshaft has contrarotating cams for automotive engines, in which an inside shaft and an outside shaft are arranged concentrically so they are contrarotating, at least one cam has at least one main cam element that can be placed radially on the outside shaft and i... | 10/07/2008 |
| 7424877 | Internal combustion engine The invention relates to an internal combustion engine comprising a variable valve drive device provided with at least one camshaft having at least one cam arrangement. Said cam arrangement comprises a cam which can be displaced essentially radially in relation to t... | 09/16/2008 |
| 7347075 | Methods for the cold extrusion of metallic elements with dead or through holes and plant for carrying out said methods Cold extrusion procedures for obtaining metal elements such as for example bushings, nuts or other elements with dead or through holes, screws, standard and special shape extruded or pressed products, etc. on a machining center comprising a series of hydraulic press... | 03/25/2008 |
| 7347968 | Method to form multi-material components The invention shows how powder injection molding may be used to form a continuous body having multiple parts, each of which has different functional properties such as corrosion resistance or hardness, there being no connective materials such as solder or glue betwe... | 03/25/2008 |
| 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 RPMs. Further, the moveable camshaft is conformed to move to different po... | 03/11/2008 |
| 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 to a maximum lift of the valve, with the valve gear returning to con... | 02/26/2008 |
| 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 liner immediately below the radially extending locating flange for the ... | 02/26/2008 |
| 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 that they are linked to one another. The mounting device comprises an up... | 02/19/2008 |
| 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. Before mounting the part, the shaft is stretched by a stretching and tight... | 02/05/2008 |
| 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 different material connected to each other in a force-and form-closing man... | 01/29/2008 |
| 7318980 | Rechargeable battery A rechargeable battery comprises an electrode assembly that comprises a positive plate, a negative plate, and a separator interposed between those two plates. It also includes a container for the electrode assembly, a cap assembly fixed to the container to seal the ... | 01/15/2008 |
| 7318279 | Method of manufacturing annular body A rolled steel plate 1 wound in a roll shape is unrolled and is cut in given dimensions to form a blank 2. In this case, a cut surface 2a is caused to incline at 1 to 3 degrees relative to the thickness direction of the blank 2, wh... | 01/15/2008 |
| 7314498 | Sintered alloys for cam lobes and other high wear articles An iron-based sintered powder metal article for cam lobe and other high temperature, high wear applications requiring excellent net-shape stability during sintering comprises a powder metal mixture consisting essentially of, by weight, 0.5–3.0% Mo, 1–6.5% Cr, 1â... | 01/01/2008 |
| 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 camshaft element. The camshaft element may ... | 01/01/2008 |
| 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 a second side thereof in the axial direction, a fluid pressure chamb... | 12/18/2007 |
| 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 built multiple cam comprises the following components: a first partial c... | 12/11/2007 |
| 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 varies continuously in those sections in which the cam disks are attache... | 11/06/2007 |
| 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 the outside shaft, fixedly connected to the inside shaft radially throu... | 10/23/2007 |
| 7279228 | Wear-resistant sintered contact material, wear-resistant sintered composite contact component and method of producing the same A wear-resistant iron-based sintered contact material is provided which is sintered by powder sintering so as to have high density, high seizure resistance and wear resistance. A wear-resistant iron-based sintered composite contact component composed of the wear-res... | 10/09/2007 |
| 7273338 | Blind rivet and method of assembly A blind rivet and a method of assembly comprising a tubular shell and mandrel in combination. The mandrel comprises a stem and a radially-enlarged head which in use forms a blind head to the shell to set the rivet, in which either the head of the mandrel or the bore... | 09/25/2007 |
| 7267088 | Valve-driving system of internal combustion engine A valve-driving system which is applied to an internal combustion engine having a plurality of cylinders for driving an intake or exhaust valve provided in each cylinder, including a plurality of valve-driving apparatuses provided for driving valves of different cyl... | 09/11/2007 |
| 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 part, at least two bearing covers corresponding to the bearing saddles... | 07/31/2007 |
| 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 (11A) formed by plasticity process on a portion of the hollow shaft member (11) corresp... | 07/24/2007 |
| 7240588 | Method of making a tool for extracting a broken screw The method of making a tool for removal of broken screws from a base material, including the material of the bone of a medical patient. One end of the tool has an open bore with interior, left-hand tapered screw threads formed thereon by compressing the tool to form... | 07/10/2007 |
| 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 plastic received within the aperture, a crankshaft coupled to the engi... | 06/26/2007 |
| 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 fabricated oil control passages are formed within a portion of the camshaf... | 06/12/2007 |
| 7210209 | System and method for ballizing and measuring a workpiece bore hole A system and method are described for ballizing and measuring a workpiece bore hole. In one embodiment, a ballizing unit having a distal end removably coupled to a ballizing member moves the ballizing member from a first position within the bore hole to a second pos... | 05/01/2007 |
| 7195004 | Fuel injector cup with improved lead-in dimensions for reduced insertion force A fuel rail cup is provided with a lead-in volume of one-third a receiving volume of the fuel rail cup that allows insertion of an O-ring mounted on a fuel injector inlet to be inserted at 20 pound-force or less. A method of inserting the fuel injector inlet with an... | 03/27/2007 |
| 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. An annular housing or sprocket is arranged to receive therein the an... | 01/09/2007 |
| 7127929 | Forging work method A metallic plate member is provided. A first punch is operable to perform a first forging work to mold a first member in the plate member. The first member has a first function. A second punch is operable to perform a second forging work to mold a second member in t... | 10/31/2006 |
| 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 fixedly connected to the stator and is centered by the camshaft. The... | 10/10/2006 |
