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| Number | Title | Issue Date |
| 8136501 | Variable stroke engine A variable stroke engine includes an end portion of a connecting rod, which is connected at one end portion thereof to a piston by a piston pin, and an end portion of a control rod, which is connected at one end portion thereof to an eccentric shaft, and which are l... | 03/20/2012 |
| 8127739 | Variable stroke engine A variable stroke engine has a crankshaft, a camshaft, and a rotational shaft, having an eccentric shaft, which are rotatably supported in a crankcase so as to have axes parallel to one another. A connecting rod is connected, at one end portion thereof, to a piston ... | 03/06/2012 |
| 8074619 | Engine arrangement An engine arrangement comprising a first assembly including a first piston in a first cylinder interconnected with a second assembly including a second piston in a second cylinder. Each of the first and second assemblies include an inlet valve for supplying a fuel m... | 12/13/2011 |
| 8061326 | Four cycle engine with load crank A system for converting the energy created by the ignition of fuel in one or more cylinders of an internal combustion engine to rotational power, having a piston within each of its cylinders, includes one or more first connecting rods, each rotatingly affixed at a f... | 11/22/2011 |
| 7926462 | Kinetic energy generation device A kinetic energy generation device comprises a case having a fixation gear wheel disposed at an interior rim thereof and engaged with a movable gear wheel. A motion transmission member is installed in the case, and a motion transmission shaft is provided at the axis... | 04/19/2011 |
| 7793634 | Electro-magnetic internal combustion engine An electro-magnetic internal combustion engine having means to operate in an electro-magnetic configuration, in an internal combustion configuration, and in an electro-magnetic internal combustion combination configuration. ... | 09/14/2010 |
| 7789061 | Engine output takeout device Engine output takeout device includes: a first crank gear mounted on a first crankshaft; a second crank gear mounted on a second crankshaft; a ring gear surrounding the first and second crank gears and having inner teeth meshing with the first crank gear; and an idl... | 09/07/2010 |
| 7584737 | Power transmission mechanism for conversion between linear movement and rotary motion The present invention relates to a spatial cam power transmitting mechanism for the conversion between linear movement and rotary motion. Several transmitting mechanisms for the conversion between reciprocating motion of a roller shaft and rotary motion of an intern... | 09/08/2009 |
| 7559308 | Engine for leisure vehicle An engine for a leisure vehicle including a crank chamber in which a crankshaft is disposed, a transmission chamber in which a transmission unit of the vehicle is disposed, the transmission unit having an input shaft that is coupled to the crankshaft and configured ... | 07/14/2009 |
| 7543559 | Gear crank mechanism for engine A gear crank mechanism for a reciprocating engine with a cylinder, a piston and a piston rod and having a pair of crank discs for each piston, with a crank pin extending between the two crank discs, in which the crank pin moves around a circular orbit path, and in w... | 06/09/2009 |
| 7527031 | Method for jointly fitting or removing a piston and a cylinder liner A method of jointly fitting or removing a piston and a cylinder liner in or from an engine block of an internal combustion engine is provided. During the fitting or removal operation, the cylinder liner is supported or held on a contact shoulder which is arranged at... | 05/05/2009 |
| 7475667 | Power train for motor vehicles or the like A four cycle internal combustion engine that eliminates the need for a crankshaft and fly wheel includes at least a cylinder and a piston reciprocally disposed in the cylinder. A spur gear and a connecting rod having a first end pivotally connected to the piston and... | 01/13/2009 |
| 7475666 | Stroke control assembly A stroke control assembly for an engine. The assembly is configured to transfer power from a rectilinear moving piston by way of an interaction between a control plate and a flywheel of the assembly. The control plate is configured to phase shift or overrun the flyw... | 01/13/2009 |
| 7441530 | Optimal heat engine A conservative force coupled to the piston of a reciprocating-piston engine, refrigerator, or compressor acts to counter the pressure force on the piston that arises from the change of volume of the working substance accompanying a change in the piston position. As ... | 10/28/2008 |
| 7438027 | Fluid transfer in reciprocating devices The disclosure relates to fluid working devices including reciprocating internal combustion engines and pumps. A number of arrangements for pistons and cylinders of unconventional configuration are described, many intended for use in IC engines operating without coo... | 10/21/2008 |
| 7434549 | Opposed double piston internal combustion engine An internal combustion engine including at least one engine cylinder includes a cylinder cavity with first and second stopping members interconnected by a cylinder wall, the cylinder further includes two piston members slidably moveable within said cylinder cavity a... | 10/14/2008 |
| 7395789 | Cylindrical engine The invention is directed to an improved internal combustion engine, having a symmetric cylindrical arrangement and using a bevel gear train to join multiple crankshaft sections. It provides for a naturally smoother operation with less vibration than in-line engines... | 07/08/2008 |
| 7373915 | Motion control mechanism for a piston engine An improved piston engine includes a rocker arm and a connecting link between the piston rod and the crankshaft to allow its motion to be altered from that of the classic piston engine in order to overcome inherent limitations of the latter and realize greater effic... | 05/20/2008 |
| 7370902 | Cowling structure of motorcycle A cowling structure of a motorcycle having a radiator behind a front wheel, including a cowling which covers a periphery of the radiator from a front side of a handlebar, wherein an opening which extends in the longitudinal direction of the motorcycle is formed in t... | 05/13/2008 |
| 7363902 | Engine overall height reduction An internal combustion engine includes a piston (2) and a crankshaft (33). The crankshaft (33) includes: a journal (33A) as a rotation center; a crank pin (33B) that is located eccentrically with respect to the journal (33A)... | 04/29/2008 |
| 7363888 | Two-stroke engine A two-stroke engine has a cylinder and a piston reciprocating in the cylinder and delimiting a combustion chamber. The piston has at least one piston recess. A crankshaft is rotatably arranged in a crankcase connected to the cylinder. A connecting rod connects pisto... | 04/29/2008 |
| 7360521 | Reciprocating engines Reciprocating engine construction wherein a rotating assembly converts the linear motion of the piston into rotational motion more efficiently, therefore yielding more torque and working power while using less fuel. The rotating assembly is three components working ... | 04/22/2008 |
| 7331320 | Engine starting apparatus and method An engine starting apparatus has a reverse-rotation detection sensor for detecting the reverse rotation of an engine. A control apparatus for controlling the engine starting apparatus performs such control that a starter motor is not rotated while the reverse rotati... | 02/19/2008 |
| 7331324 | Crankshaft rotary valve A crankshaft rotary valve that controls fluid flow between a port located circumferentially on the crankshaft and a crankcase chamber formed by a piston, cylinder, crankcase and crankshaft. As the crankshaft rotates, a channel in the crankshaft communicates with the... | 02/19/2008 |
| 7329105 | Multi-directional pump A multi-directional pump is disclosed generally comprising a housing with inlet and outlet ports, a pumping device disposed therein, a first chamber in fluid communication with the inlet port, and a second chamber in fluid communication with the first chamber. The f... | 02/12/2008 |
| 7325527 | Oil pump arrangement for an internal combustion engine An internal combustion engine has a power unit case having a crankcase, a first housing flange and a second housing flange. The crankshaft axis and the output shaft axis define a reference plane. An oil pump has an oil pump shaft, having an oil pump shaft axis, disp... | 02/05/2008 |
| 7318397 | High efficiency high power internal combustion engine operating in a high compression conversion exchange cycle A piston (10), a spring (15) operatively coupled to a piston, the spring being inside (21) or outside (41) the piston, and if the spring is inside the piston, the diameter of the spring is equal to 0.7 to 0.9, and if it is outside of the ... | 01/15/2008 |
| 7293542 | Motor with rotary connecting rod bolt The motor according to the present invention consists of a piston (1), cylinder (2), connecting rod (3), connecting rod rotary bolt gear wheel (4), connecting rod rotary bolt (5), crank shaft (6), crank shaft bolt (7)... | 11/13/2007 |
| 7290507 | Lower link for piston crank mechanism of engine A lower link for an engine piston crank mechanism includes first and second half members joined by bolts to form a crankpin bearing portion. The first half member includes a first pin boss portion to connect the lower link with a first link which is one of an upper ... | 11/06/2007 |
| 7290508 | Lower link for piston crank mechanism of internal combustion engine A lower link for a piston crank mechanism of an internal combustion engine includes an upper section, a lower section, and a crank pin bearing section disposed between the upper section and the lower section, and mounted on a crank pin of a crank shaft. One of the u... | 11/06/2007 |
| 7290518 | Piston-connecting rod spherical coupling structure A spherical coupling structure for a piston and a connecting rod, wherein a protrusion provided to the reverse side of a crown of a piston and a holding member for holding a small end are slidably fitted onto a small end, and a holding/fastening part for holding the... | 11/06/2007 |
| 7284513 | Internal combustion engine without connecting rod and a method of its construction The invention relates to the structure of internal combustion engine without a connecting rod and a method of its construction. The proposed method of construction describes the consecutive steps in creating the engine and allows the creation of internal combustion ... | 10/23/2007 |
| 7281519 | Set of piston type fuel pumps for internal combustion engines with direct fuel injection A plurality of piston pumps form a set of piston pumps, each including one drive region and at least one pumping region. The a set of piston pumps includes at least two piston pumps of different models, and the pumping regions of all the piston pumps the set are emb... | 10/16/2007 |
| 7275454 | System for the conversion of a rectilinear swaying motion into a rotating motion and vice versa A grooved cylinder (2) is alternatively mobile in two opposing cylinder guides (10, 11) mounted on a crankcase (14). This cylinder (2) is mounted coaxially inside a double crown piece of revolution (5) with an indented portion (... | 10/02/2007 |
| 7267093 | Crankcase with bottom plate In a crankcase for an internal combustion engine, including a lubricant chamber for the collection of lubricant, and a bottom plate for providing dry sump lubrication closing the crankcase and being sealingly joined to the bottom end of the crankcase, wherein the cr... | 09/11/2007 |
| 7263966 | Dual action cylinder A device for translating linear reciprocal motion to rotational motion includes a reciprocating linearly moving piston with a central slot. The aperture has a set of recessed annular gears opposite each other which engage corresponding gear teeth on a cog located on... | 09/04/2007 |
| 7263965 | Floating crank shaft An engine with two crank shafts. One crank shaft stationary or secured to the block by conventional main bearings. The other crank shaft is referred to as the floating crank moves in a radius back and forth along one side of the stationary crank. The cranks d... | 09/04/2007 |
| 7258090 | Intake air amount control apparatus for internal combustion engine An intake air amount control apparatus is mounted on a vehicle having an automatic transmission 30 that switches the shifting pattern for the gear ratio between two modes. The intake air amount control apparatus controls the intake air amount by cooperation o... | 08/21/2007 |
| 7252067 | Power transmission system for vehicle To provide a power transmission system for a vehicle wherein a starter is simplified, the number of component parts is small, and a reduction in cost can be contrived. Thus, an excellent operationality at the time of starting is achieved. A power transmission system... | 08/07/2007 |
| 7219646 | In-line multicylinder combustion engine There is provided an in-line multicylinder combustion engine of a type, in which the length and the width of the combustion engine can be reduced; which can be assembled compact in size with its center of gravity lowered in position; in which mass centering in the c... | 05/22/2007 |
