Abstract:
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 banks of cylinders include a first cylinder bank that projects from the crankcase to a first cylinder head, and a second cylinder bank that projects from the crankcase to a second cylinder head. The plurality of intake and exhaust valve pushrods extend between the crankcase and the first and second cylinder heads, driven by one intake camshaft and two exhaust camshafts.
Abstract:
In one aspect, a machine includes an engine supported on a machine body. The engine includes a housing and a gear train that includes a crank gear meshed with a cam gear that is meshed with at least one powered gear. The cam gear is attached to a cam shaft by a drive coupler. The cam shaft is rotationally supported in the housing on a plurality of bearings, and the cam gear is rotationally supported on a stub shaft with an inner surface that is out of contact with the cam shaft. The stub shaft is attached to the housing of the engine.
Abstract:
A hydraulic actuating system is proposed in particular for gas exchange valves of reciprocating-piston internal combustion engines having a pressure source for the hydraulic medium and having at least one pressure accumulator, which can be connected to the pressure source; and has a piston which can be displaced in a drilled hole, a compression spring and a supporting element, for the compression spring with a central opening (3), which supporting element is fixed by a spring ring wherein the supporting element is configured as a spring supporting plate (1), the axial extension of which is considerably shorter than that of the piston.
Abstract:
A system for an engine drive that engages a timing band with a first camshaft, a driveshaft and a crankshaft is provided. The system further includes a gear drive including a first gear coupled to the driveshaft and a second gear coupled to a second camshaft. The second camshaft is positioned between the first camshaft and the driveshaft such that the shafts are horizontally coplanar.
Abstract:
The assembly method includes packaging of items for shipment and secures components of the assembly in a fashion and in the related position required for further assembly, as a unit, to an engine that is in the process of being assembled. The timed assembly arrives at the engine plant secured together such that it allows handling, at least in part, as a single component and with its parts arranged in the relative position required for proper timing and for securing to other components of the engine. The chain (44) is pinned between a tensioner pin (66) and the tensioner chain contacting surface (60) and between a guide pin (74) and the guide or snubber chain contacting surface (88). The tensioner is preferably pinned in a state of minimum extension.
Abstract:
This invention relates to a valve arrangement in a combustion engine for controlling inlet and outlet of gas mixtures, comprising a valve (1) slidably arranged within a housing (2) in a cylinder head (3) of the combustion engine, said valve (1) including a valve plate (10) and a stem like portion (IA, IB), said stem like portion (IA, IB) having an upper portion (IB) fixedly attached with its lower end to, a lower portion (IA), said lower portion (IA) having said valve plate (10) attached thereto which valve plate interacts with a valve seat (30) to allow for outlet and inlet of gases respectively, a valve control mechanism (5, 6) to control the movement and/or position of said valve (1), wherein said upper portion (IB) forms a hollow annular body (19) extending coaxially with the extension of said stem like portion to allow for said gases to be transported through the valve (1) in a channel within and formed in said annular body (19), the valve plate (10) is connected to the lower portion (IA) to form a gap between the valve plate (10) and the upper portion (IB) to allow for said gases to be transported past the valve plate into or out from the inside (190) of said hollow annular body (19), wherein the upper end (18) of said annular body (19) is open and said hollow annular body (19) at its outer side (191) is arranged with at least one first interacting device (14, 15) arranged to interact with at least one second interacting device (53, 54) of the valve control mechanism (5, 6) to facilitate said movement and positioning.
Abstract:
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 one planet wheel. A planet wheel carrier having the at least one planet wheel is arranged thereon and is fixedly connected to the output shaft so as to commonly rotate with the output shaft. A drive wheel is connected to the planetary gear and is at least indirectly connected to the sun wheel. An actuator engages the planetary gear so that the hollow wheel is rotatable relative to the sun wheel. The actuator is disposed tangentially to the planetary gear and includes a worm engaging an outer toothing of the hollow wheel, with the sun wheel being at least indirectly connected to the drive wheel.
Abstract:
A synchronization device for an engine is provided that has a first active sensor and a second active sensor. The first active sensor is adapted to determine an angular position of a first shaft and the second active sensor is adapted to determine the angular position of a second shaft. The first active sensor and the second active sensor are adapted to provide information on the state of the angular position of the first shaft and the second shaft or the angular position of the first shaft and the phase position between the first shaft and the second shaft to the control device. In addition, the control device is adapted to provide a control signal for setting a given phase difference between the first and the second shaft.
Abstract:
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 and the driven gear.
Abstract:
The invention relates to a motorcycle comprising a space-saving, lightweight motor assembly. The use of a compact W or VR-type internal combustion engine permits the motorcycle to have reduced dimensions and a low weight. Internal combustion engines comprising six to twelve cylinders can thus be used for motorcycles. The compact dimensions of the motor enable the production of motorcycles with sleek lines and an advantageous aerodynamic shape.