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| Number | Title | Issue Date |
| 8051819 | Crankcase structure for an overhead-camshaft internal combustion engine, and engine incorporating same An overhead-camshaft internal combustion engine having an outer wall of a crankcase provided adjacent a crankshaft, with a spiral-surfaced opening through which the crankshaft is passed. The outer crankcase wall is integrally provided with a loop guide engaging rece... | 11/08/2011 |
| 8042507 | Non-circular rotary component A rotary component with a rotor having a plurality of teeth arranged around the perimeter of the rotor. Each tooth has a crown and each pair of adjacent teeth has a valley therebetween. The crowns of the teeth lie on a curved envelope forming the perimeter of the ro... | 10/25/2011 |
| 7938091 | Camshaft and camshaft manufacturing method A cam lobe of a camshaft has a base circle portion and a lifting lobe portion. A camshaft journal of the camshaft has first and second bearing portions that bear reaction forces from the base circle portion and the lifting lobe portion, respectively. The first beari... | 05/10/2011 |
| 7926457 | Device for phase-shifting the rotational angle of a drive wheel relative to an output shaft A device for phase-shifting a rotational angle of a drive wheel relative to an output shaft. The device includes a planetary gear including a sun wheel, a hollow wheel and at least one planet wheel, wherein the sun wheel and the hollow wheel mesh with the at least o... | 04/19/2011 |
| 7918199 | V-type engine In a V-type engine, intake and exhaust rocker arms in each bank are arranged in a substantially inverted-V-shape in a plan view, so that side end portions of corresponding intake and exhaust push rods are positioned adjacent to each other. Slipper portions of first ... | 04/05/2011 |
| 7878165 | Engine valve operating system In an engine valve operating system, a camshaft (36) is supported via a bearing (41) on a cylinder head (5) having an intake valve (29i) and an exhaust valve (29e)provided therein, and an intake rocker arm (38 | 02/01/2011 |
| 7866292 | Apparatus and methods for continuous variable valve timing Apparatus and methods for shifting the phase between a driver gear and a driven gear in communication by a timing belt are provided as well as methods for configuring the apparatus. The apparatus may continuously vary the phase relationship between the driver gear a... | 01/11/2011 |
| 7849827 | Engine and method of assembling an engine An engine is provided with features allowing a method of assembly that combines the ease of assembly of a net-assembled system with the positional accuracy of an index-assembled system in order to meet critical valve to piston clearance requirements, especially crit... | 12/14/2010 |
| 7765969 | Vertical internal combustion engine provided with belt-drive transmission mechanism A vertical internal combustion engine E has a crankshaft 18 enclosed in a crank chamber 20, a belt-drive transmission mechanism 50 held in a belt chamber 63 and including a rubber belt 53 for transmitting power of the crankshaft | 08/03/2010 |
| 7753020 | Gearwheel mechanism In a gearwheel mechanism for driving a secondary unit such as a fuel pump driven via the gear wheel mechanism by a primary unit, a driven gear mounted on the secondary unit is provided with a positioning element including sections covering teeth areas of the driven ... | 07/13/2010 |
| 7703427 | Lifelong-lubricated camshaft drive for an internal combustion engine A camshaft adjusting device for an internal combustion engine is provided. A functionally reliable camshaft adjusting device designed for a long-lasting operation is obtained when the camshaft adjuster (13) has a lifelong lubrication located in the housing ( | 04/27/2010 |
| 7685982 | Outboard engine unit An outboard engine unit includes a single lubricating oil supply tube for supplying lubricating oil to a valve-operating chain. The valve-operating chain is suspended across a drive sprocket provided to a crankshaft and a driven sprocket provided to a camshaft. A su... | 03/30/2010 |
| 7665436 | Air cooled Twin Cam V-Twin motorcycle engine timing belt system A timing belt system for an air cooled Twin Cam V-Twin motorcycle engine is provided. The timing belt system includes a crankshaft pulley assembly including a crankshaft pulley affixed to the crankshaft and a pulley flange affixed to the crankshaft pulley. The timin... | 02/23/2010 |
| 7647906 | Vertical internal combustion engine provided with belt-drive transmission mechanism A vertical internal combustion engine E is incorporated into an outboard motor or the like. The vertical internal combustion engine E includes a crankshaft 18 enclosed in a crank chamber 20, and a belt-drive transmission mechanism 50 including a... | 01/19/2010 |
| 7631624 | Traction mechanism drive Traction mechanism drive for an internal combustion engine, having a crankshaft gear wheel, at least one gear wheel which is arranged on a driven shaft, a wrap-around means and an electric machine which can be actuated in order to reduce rotational non-uniformities,... | 12/15/2009 |
| 7597077 | V-type engine A V-type engine includes a housing, a crankshaft, a counterbalance shaft, a first camshaft, and a second camshaft. The crankshaft, the counterbalance shaft, the first camshaft, and the second camshaft are rotatably supported by the housing. The crankshaft has a cran... | 10/06/2009 |
| 7546824 | Variable valve timing mechanism-equipped engine A variable valve timing mechanism-equipped engine is provided which allows a mount installing section and a hydraulic control valve of a variable valve timing mechanism to be positioned in a chain case without limitation of positioning of accessories such as a water... | 06/16/2009 |
| 7540267 | Engines with variable valve actuation and vehicles including the same An engine includes a camshaft with outer and inner elongate members. The outer elongate member can include a lobe that actuates a valve. The inner elongate member can be axially disposed within a passageway defined by the outer elongate member. The inner elongate me... | 06/02/2009 |
| 7493880 | Non-circular rotary component A non-circular sprocket component comprises a rotor (11) having a plurality of teeth (16) arranged around the perimeter of the rotor, each tooth having a crown (9), and each pair of adjacent teeth having a valley (8) therebetween. The cro... | 02/24/2009 |
| 7484486 | Drive for valve operating control systems in motor vehicles, preferably camshaft adjusters A drive for valve drive operating control systems in motor vehicles, preferably for camshaft adjusters, includes at least one drive wheel and functional parts, such as a cover, a stator, a closing ring, and a sealing ring, as well as at least one rotor. The drive wh... | 02/03/2009 |
| 7475663 | Internal combustion engine and an engine housing The invention relates to an internal combustion engine (1) comprising a housing (2) having at least one opening (4) into its inside, which is preferably the engine-oil feed inlet, and with a camshaft (5), mounted inside the housing for ro... | 01/13/2009 |
| 7455039 | Engine A hybrid-type unit for a two-wheeled vehicle can include an engine, a motor for driving a wheel of a vehicle, a power distribution mechanism, and a generator. The generator and the motor can be disposed at different positions offset longitudinally from each other an... | 11/25/2008 |
| 7441524 | Valve timing control apparatus for internal combustion engine and control method thereof In a structure with a variable valve timing mechanism which varies an opening-and-closing timing of an intake valve and/or an exhaust valve due to a rotational phase of a camshaft with respect to a crankshaft of an internal combustion engine being varied, the rotati... | 10/28/2008 |
| 7441520 | Valve-timing control apparatus of internal combustion engine A valve-timing control apparatus of an internal combustion engine provides a valve timing controller capable of continuously and variably controlling the overlap period of an intake valve and an exhaust valve of an internal combustion engine. A driving-state determi... | 10/28/2008 |
| 7441522 | Valve characteristic control device for internal combustion engine and method of the same A lift time area is calculated based on an actual valve working angle of an intake valve and an engine rotational speed. Then, a control gain of a feedback control is set based on the lift time area. ... | 10/28/2008 |
| 7438034 | Camshaft-adjusting device In a camshaft adjusting device comprising an adjusting mechanism for adjusting the phase positions of first and second camshafts with respect to a crankshaft driving the camshaft adjusting device, the adjusting mechanism includes an adjustment input and first and se... | 10/21/2008 |
| 7438033 | Variable valve timing control apparatus for internal combustion engine and internal combustion engine including variable valve timing control apparatus As for a reference valve timing varying rate A obtained by a deviation Δφ between a target VVT phase φT and an actual VVT phase φ, when a varying rate Δθth of an accelerator opening degree resulting from the manipulation of the driver is relatively low, a VVT-... | 10/21/2008 |
| 7438032 | Method and device for controlling an internal combustion engine The invention relates to an internal combustion engine comprising an inlet tract, leading to the inlet to a cylinder where a gas inlet valve is arranged. A valve drive for the gas inlet valve is provided, by means of which the valve stroke of the gas inlet may be ad... | 10/21/2008 |
| 7438035 | Cam drive apparatus having a magnetic gear A cam drive apparatus comprising a magnetic gear adapted to communicate rotational movement between a crankshaft and a cam shaft, wherein said magnetic gear comprises an outer member comprising a plurality of circumferentially spaced magnet means, said outer member ... | 10/21/2008 |
| 7434554 | Controller for vane-type variable valve timing adjusting mechanism In a vane-type variable valve timing adjusting mechanism (VCT), an OCV target current is set to the holding current to hold an actual advance amount in close proximity to the target advance amount during the execution of the holding control. In the holding control, ... | 10/14/2008 |
| 7434555 | V type internal combustion engine A number of embodiments of double overhead cam shaft V type engines wherein the drive arrangement for the camshafts permits not only a compact design but also one in which the timing loadings are decreased to improve engine life, performance and reduced servicing. | 10/14/2008 |
| 7430998 | Method for positional determination of an EC motor A method for positional determination for an EC motor (14) on a device for the adjustment of the rotational angular position of the camshaft (11) of a reciprocating piston combustion engine relative to the crankshaft (12) is provided, whereby a ... | 10/07/2008 |
| 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 |
| 7426912 | Oil supply circuit for cylinder deactivation system An oil supply circuit for a cylinder deactivation system having a simple structure and capable of being installed at a cylinder head without needing additional extraneous elements by forming an oil line within a cam shaft. An embodiment may include a hydraulic pump,... | 09/23/2008 |
| 7424875 | Phase controller and cam shaft phase controller for internal combustion engine A parallel guide portion as an integral structure of a sprocket and a vane, as well as a slant guide portion, are arranged alternately on the same circumference, with circumferential gaps being formed between said guide portion and the parallel guide portion, said g... | 09/16/2008 |
| 7424873 | Variable valve mechanism Disclosed is a variable valve mechanism 10 for changing the lift amount and operating angle of an internal combustion engine valve disc 12. The variable valve mechanism comprises a first cam 54, which rotates in accordance with crankshaft rotati... | 09/16/2008 |
| 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 |
| 7421989 | Vane-type cam phaser having increased rotational authority, intermediate position locking, and dedicated oil supply A vane-type camshaft phaser having a rotational authority between 40 crank degrees before TDC and 30 crank degrees after TDC. The phaser includes a stator seat formed at a rotation position intermediate between full advance and full retard. A locking pin in a vane o... | 09/09/2008 |
| 7421992 | Camshaft A camshaft for activation of the gas exchange valves of an internal combustion engine has two coaxially mounted shafts rotatable inside and with respect to one another, first cams fixedly attached to the first shaft and second cams fixedly attached to the second sha... | 09/09/2008 |
| 7418933 | Variable lift valve operating system for internal combustion engine A variable lift valve operating system for an internal combustion engine, including a variable lift mechanism capable of changing a lift amount of an engine valve in accordance with rotation of a control shaft rotatably supported in a cylinder head, and an actuator ... | 09/02/2008 |
