Did You Know...
...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.
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| Application No. | Application Title | Issue Date |
| 20120125272 | VOLUME STORE A volume store which has a substantially hollow cylindrical housing and a separating element displaceably disposed within the housing. The housing is fixedly disposed within a hollow chamber of a camshaft.... | 05/24/2012 |
| 20120125273 | VALVE TRAIN FOR INTERNAL COMBUSTION ENGINES FOR ACTUATING GAS EXCHANGE VALVES A valve train includes a a plurality of individual cam sleeves axially displaceable, relative to one another and disposed so as to form the camshaft, each of the plurality of individual cam sleeves including a plurality of different cam profiles each having a same base ... | 05/24/2012 |
| 20120067314 | VALVE-MECHANISM-EQUIPPED ENGINE A valve-mechanism-equipped engine having increased combustion efficiency is disclosed. The engine includes intake and exhaust rocker arms having a swing center line inclined relative to a rotation center line of a cam, and an intake valve and an exhaust valve inclined r... | 03/22/2012 |
| 20120024245 | VALVE TRAIN OF AN INTERNAL COMBUSTION ENGINE A valve train of an internal combustion engine with a camshaft (1) that has a carrier shaft (2) and a cam part (3) that is locked on rotation on the carrier shaft and is arranged displaceable in the axial direction and has at least one cam group ( 02/02/2012 | |
| 20120000436 | CAM AND ASSOCIATED CAMSHAFT A cam for a camshaft of an internal combustion engine may include an axial extension with a holding contour for receiving a holding tool.... | 01/05/2012 |
| 20110308487 | METHOD FOR LINKING ELEMENTS TO HOLLOW SHAFTS, PREFERABLY FOR PRODUCING CAMSHAFTS, AND RESULTING CAMSHAFT A method for the linking of components to hollow shafts, preferably for producing camshafts, is disclosed where the components, especially cam rings, are manufactured so as to generate their function-related contour, that either a hardenable material is used for this pu... | 12/22/2011 |
| 20110303173 | Assembled Camshaft An assembled camshaft includes an outer hollow camshaft body and an inner camshaft body disposed within the outer hollow camshaft body and mounted so as to rotate relative to it by a predetermined angle. The camshaft also includes at least two separate cam elements. A f... | 12/15/2011 |
| 20110226201 | CAMSHAFT A camshaft assembly configured to rotate about an axis of rotation within the engine of a motor vehicle to provide timing between cyclic operation of engine components is provided. The camshaft assembly includes a member for providing timing to a first engine component.... | 09/22/2011 |
| 20110220044 | CAMSHAFT INCLUDING WEIGHT REDUCING FEATURES AND METHOD OF FORMING A camshaft assembly may include a assembly and a shaft. The cam assembly may include a hollow structure with an interior surface and an exterior surface. A plurality of projections may be located on the exterior surface of the hollow structure. The interior surface of t... | 09/15/2011 |
| 20110220048 | 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.... | 09/15/2011 |
| 20110180050 | INTERNAL COMBUSTION ENGINE An Otto cycle, Atkinson cycle or supercharged internal combustion engine (10) and a timing mechanism therefor. The engine comprising: a cylinder (14) and a piston (12) reciprocally mounted within the cylinder (14) in which reciprocating movem... | 07/28/2011 |
| 20110180027 | Valve Train for Gas Exchange Valves of an Internal Combustion Engine Having a Double-Supported Cam Carriers The invention relates to a valve train for gas exchange valves of an internal combustion engine, having a base camshaft, a plurality of cam carriers, which are arranged in a rotationally fixed and axially movable way on the base camshaft, as well as stopping devices for... | 07/28/2011 |
| 20110162600 | CAMSHAFT PROFILE FOR REDUCING CYLINDER PRESSURES DURING ENGINE CRANKING A camshaft assembly may include a shaft and a lobe member fixed for rotation with the shaft. The lobe member may include a lobe extending radially outward from a base circle. The lobe may include a valve closing profile defined between a peak of the lobe and an ending p... | 07/07/2011 |
| 20110114046 | INTERNAL COMBUSTION ENGINE COMPRISING AT LEAST ONE CAMSHAFT An internal combustion engine, having at least one camshaft, which is mounted in the radial direction via at least one bearing block supplied with bearing fluid, wherein in the region of the bearing block, two sealing rings are provided, which are axially spaced apart f... | 05/19/2011 |
| 20110107990 | ENGINE HAVING CONCENTRIC CAMSHAFT WITH DIFFERENTIAL VALVE LIFT A camshaft assembly may include a first shaft, a second shaft, a first lobe and a second lobe. The second shaft may be coaxial with and rotatable relative to the first shaft. The first lobe may be fixed for rotation with the first shaft and adapted to open a first valve... | 05/12/2011 |
| 20110100310 | CONCENTRIC CAMSHAFT WITH VARYING WALL GEOMETRY AND METHOD OF ASSEMBLY A camshaft may include a first shaft, a first lobe member, and a second lobe member. The first shaft may include an annular wall defining a first bore. The wall may include a first portion having a first radial outer surface and a second portion having a second radial o... | 05/05/2011 |
| 20110083626 | CAMSHAFT FOR AN INTERNAL COMBUSTION ENGINE An internal combustion engine, having a camshaft having at least one one-piece thrust plate, which is arranged and captively fixed between a drive element, and a function element, wherein the drive element and the function element are fixedly joined with the camshaft, w... | 04/14/2011 |
| 20110067654 | MULTIPIECE CAMSHAFT ASSEMBLY A camshaft assembly may include a monolithic camshaft body, a journal member and a thrust ring. The monolithic camshaft body may define lobes and journal regions along an axial extent thereof. The journal member may be separate from and fixed to an axial end of the cams... | 03/24/2011 |
| 20110061614 | CAMSHAFT HAVING A TUNED MASS DAMPER A camshaft assembly may include a first shaft adapted to be rotationally driven, a first lobe member fixed for rotation with the first shaft, and a torsional damper fixed to the first shaft. The torsional damper may include a mass structure fixed to the first shaft and ... | 03/17/2011 |
| 20110052934 | SLIDE PART There is provided a slide part used in an environment where there is a lubricant containing a molybdenum compound including a hard protective layer formed on an outermost surface of a substrate of the slide part; in which: the hard protective layer includes mainly carbo... | 03/03/2011 |
| 20100269769 | Valve Drive for Gas Exchange Valves of an Internal Combustion Engine, Comprising a Movable Cam Support and Twin Worm Gear A valve drive assembly cooperable with gas exchange valves of an internal combustion engine having a cam shaft and at least one came support rotatably fixed and axially displaceable on the cam shaft and having at least two cam profiles selectively engageable with a roll... | 10/28/2010 |
| 20100224147 | CONCENTRIC CAMSHAFT AND METHOD OF ASSEMBLY A camshaft may include a first shaft, a stop member, and a first lobe member. The first shaft may include an outer radial surface having a first recess extending radially therein. The stop member may be axially fixed within the first recess. The first lobe member may de... | 09/09/2010 |
| 20100224146 | METHOD FOR MANUFACTURING A SHAFT MEMBER HAVING A SINTERED PART BONDED THERETO AND A CAMSHAFT FOR AN INTERNAL COMBUSTION ENGINE A method for manufacturing a shaft member having a sintered part bonded thereto is simple and provides an increased process yield and a high accuracy in position and angle of the sintered part. A green compact is prepared by subjecting a metal or alloy powder to a compr... | 09/09/2010 |
| 20100212144 | CONCENTRIC CAMSHAFT AND METHOD OF ASSEMBLY A camshaft assembly method may include locating a first lobe member of a camshaft assembly on a first shaft of the assembly. A locking pin may be inserted into a first radial bore in the first lobe member and a second radial bore of the first shaft. The locking pin may ... | 08/26/2010 |
| 20100162977 | Rotationally Balanced Camshaft Assembly A method for intentionally imbalancing one or more mass elements of a camshaft assembly to provide overall rotational balance to the assembly, also referred to herein as “zero balance”. Such intentional imbalance may be imparted to any element of a camshaft assembly... | 07/01/2010 |
| 20100139586 | CORE FOR THIN-WALL HOLLOW CASTING AND THIN-WALL HOLLOW CASTING PRODUCED BY PRODUCTION METHOD EMPLOYING IT It is a technical common knowledge that a chaplet used in casting of a hollow casting is fusion-bonded with the melt and is incorporated into the casting. However, the adhesion between the chaplet and the casting body is not necessarily satisfactory, thereby incurring t... | 06/10/2010 |
| 20100132640 | CAMSHAFT ASSEMBLY A camshaft assembly is disclosed which comprises an inner shaft, an outer tube surrounding and rotatable relative to the inner shaft, and two groups of cam lobes mounted on the outer tube, the first group of cam lobes being fast in rotation with the outer tube, the seco... | 06/03/2010 |
| 20100108006 | CAMSHAFT FOR A VARIABLE LIFT VALVE TRAIN OF AN INTERNAL COMBUSTION ENGINE A camshaft (1) is provided for a stroke-variable valve drive of an internal combustion engine with a carrier shaft (2) and a cam part (3) that is arranged locked in rotation and movable in the axial direction on the carrier shaft and that is assembl... | 05/06/2010 |
| 20100077980 | COMPRESSION RELEASE MECHANISM A compression release assembly is disclosed, the assembly including a camshaft rotatable about a camshaft axis, a trigger rotatable about a trigger axis substantially perpendicular to the camshaft axis, and a spring position between the trigger and the camshaft. Prefera... | 04/01/2010 |
| 20100059002 | 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.... | 03/11/2010 |
| 20100024750 | Apparatus to improve the efficiency of internal combustion engines, and method thereof Method and apparatus for controlling the volume of air or air and non-combusted fuel mixture inside a combustion chamber and cylinder of an internal combustion engine. The apparatus includes an inlet-outlet portal having open and closed states and connected to air or ai... | 02/04/2010 |
| 20100012060 | Split Lobe Design of Concentric Camshaft An engine assembly may include an engine structure and a camshaft supported on the engine structure. The camshaft may include a first shaft, a first lobe member fixed for rotation with the first shaft, a second lobe member fixed for rotation with the first shaft and spa... | 01/21/2010 |
| 20100000477 | CAMSHAFT The present invention relates to a camshaft (1) which comprises an inner shaft (5) which is arranged coaxially in the outer shaft (6). Here, the outer shaft (6) is formed as a round cylindrical tube with a constant inner diameter (d) througho... | 01/07/2010 |
| 20090308338 | VALVE TRAIN FOR INTERNAL COMBUSTION ENGINE A valve train of an internal combustion engine is provided with a plurality of camshaft supports arranged on a support member of the engine, and a camshaft is supported on the camshaft supports. The camshaft has valve operating cams thereon for opening and closing engin... | 12/17/2009 |
| 20090283063 | Wear Resistant Camshaft and Follower Material A materials combination for a camshaft and follower of an engine valve train provides excellent wear resistance. The camshaft or camshaft lobes are made from a malleable cast iron and the cam followers are made from a carbonitrided 52100 or 4130 steel to provide excelle... | 11/19/2009 |
| 20090272365 | Cam lobe profile for driving a mechanical fuel pump In a fuel-pumping system in an internal combustion engine, a mechanical fuel pump roller actuator is slidably disposed to ride on a dedicated tri-lobate camshaft lobe. In prior art camshaft lobes for this purpose, a portion of the lift profile over a certain angle of ca... | 11/05/2009 |
| 20090255492 | CONCENTRIC CAMSHAFT WITH VARYING WALL GEOMETRY AND METHOD OF ASSEMBLY A camshaft may include a first shaft, a first lobe member, and a second lobe member. The first shaft may include an annular wall defining a first bore. The wall may include a first portion having a first radial outer surface and a second portion having a second radial o... | 10/15/2009 |
| 20090241871 | ASSEMBLED CAMSHAFT AND INTERNAL COMBUSTION ENGINE PROVIDED WITH ASSEMBLED CAMSHAFT The degree of freedom in a mounting position of a fuel pump driving cam (115) is improved by making valve operating cams (130R) separate members from a camshaft main body (30R) and mounting the valve operating cams (130R) from the outside in ... | 10/01/2009 |
| 20090241869 | VEHICLE AND PROPULSION SYSTEM INCLUDING AN INTERNAL COMBUSTION ENGINE An internal combustion engine for a vehicle, such as a motorcycle, includes a crankcase, two banks of cylinders projecting from the crankcase in a 56-57 degree V-configuration, a plurality of pushrods, and a plurality of camshafts supported by the crankcase. The two ban... | 10/01/2009 |
| 20090229550 | CONCENTRIC CAMSHAFT WITH BEARING SLEEVE AND METHOD OF DEBRIS REMOVAL A camshaft may include a first shaft, a bearing sleeve member located on and fixed to the first shaft, and a first lobe member located on the first shaft and displaceable between first and second positions. The first lobe member may be axially offset relative to the bea... | 09/17/2009 |
