| Entries |
| Document | Title | Date |
|---|
| 20080216791 | CONNECTING ROD-CRANK PISTON PIN FOR THE CARRYING OUT OF AN ECCENTRIC CONNECTING ROD SYSTEM PREFERABLY FOR INTERNAL-COMBUSTION ENGINES - A piston pin carries out an eccentric coupling of connecting rod and crank connected with the driving shaft. The piston pin is shaped like a cylinder, has two cuts disposed orthogonally to the axis of the piston pin. The cuts form three sectors. The two external sectors correspond to the connection with the crank and the internal sector is coupled to the connecting rod. | 09-11-2008 |
| 20080251046 | POWER UNIT FOR A VEHICLE - A power unit for a vehicle comprises an engine and a transmission assembly. The engine includes a crank shaft having a rotating mass. The transmission assembly includes a drive shaft having a first drive gear and being connected to the crank shaft through a first transmission mechanism, and a driven shaft connected to the drive shaft through a driven gear that meshes with the first drive gear. With the power unit oriented such that the crank shaft is substantially horizontal, at least a portion of the transmission assembly is positioned within a region extending below a swept area of the rotating mass. | 10-16-2008 |
| 20080257299 | 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 idler gear rotatably mounted coaxially on the first crankshaft via bearings and meshing at its one position with the second crank gear and at its other position with the inner teeth of the ring gear, the first crank gear and the idler gear both meshing with a same inner tooth of the ring gear at any given time. | 10-23-2008 |
| 20090056667 | Ultra Efficient Engine - An engine comprises a combustion chamber, an expansion cylinder with a piston adapted for reciprocating motion in the expansion cylinder via combustion products combusted in the combustion chamber, and a transmission associated with the expansion cylinder. The transmission has a guide frame with a first drive wheel rotatably mounted at one end of the guide frame and a second drive wheel rotatably mounted at an opposite longitudinal end of the guide frame. Each of the drive wheels is driven by an inextensible continuous loop. The guide frame has a crank head adapted to reciprocatingly translate along the guide frame. The crank head has a drive connection pivotally connecting the crank head to the loop. The crank head is operatively connected to the piston such that reciprocating motion of the piston results in corresponding reciprocating motion of the crank head, movement of the loop, and corresponding rotation of the drive wheels. | 03-05-2009 |
| 20090107452 | MULTI-LINK ENGINE - A multi-link engine has a piston coupled to a crankshaft to move inside an engine cylinder. A piston pin connects the piston to an upper link, which is connected to a lower link by an upper link pin. A crank pin of the crankshaft rotatably supports the lower link thereon. A control link pin connects the lower link to one end of a control link, which is connected at another end to the engine block body by a control shaft. The crank pin has a center arranged on a straight line joining centers of the upper link pin and the control link pin such that an angle formed between the straight line and a horizontal axis that is perpendicular to a center axis of the cylinder and that passes through an axial center of a crank journal is the same for at top dead center and at bottom dead center. | 04-30-2009 |
| 20090107453 | MULTI-LINK ENGINE - A multi-link engine has a piston coupled to a crankshaft to move inside an engine cylinder. A piston pin connects the piston to an upper link, which is connected to a lower link by an upper link pin. A crank pin of the crankshaft rotatably supports the lower link thereon. A control link pin connects the lower link to one end of a control link, which is connected at another end to the engine block body by a control shaft. The upper link has an upper link axis that forms an angle with the cylinder axis, as viewed along a crank axis direction of the crankshaft, such that the angle reaches a minimum when a crank angle of the engine is within a range where the bottom end of a piston skirt is positioned below a topmost part of the bottom end of the cylinder liner. | 04-30-2009 |
| 20090107454 | MULTI-LINK VARIABLE COMPRESSION RATIO ENGINE - A multi-link variable compression ratio engine is provided with a crankshaft, a piston, a control shaft, a linkage, a motor and a reduction mechanism. The crankshaft moves the piston within an engine cylinder. The control shaft has an eccentric axle eccentric relative to its center-axis. The linkage operatively connects the piston to the crankshaft and the crankshaft to the eccentric axle of the control shaft. The motor rotates the control shaft so a top-dead-center position of the piston changes to vary compression ratios by changing the positions of the eccentric axle and the linkage. The reduction mechanism couples the motor to the control shaft to transmit a reduced rotation of the motor to the control shaft so a reduction ratio of a rotation angle of the motor to a rotation angle of the control shaft is less at high-compression ratios than at intermediate compression ratios. | 04-30-2009 |
| 20090120404 | Force Transfer Mechanism for an Engine - A force transfer mechanism is provided for an internal-combustion engine. In the most preferred configuration, the force transfer mechanism comprises two inter-connected first class levers that are driven by four pistons. Each of the pistons is driven through its non-powered strokes by the action of the piston in its powered stroke on the first class levers. The force transfer mechanism also drives the crankshaft through a single connecting rod. The force transfer mechanism provides for less frictional loss, and greater efficiency, than a typical internal combustion engine. | 05-14-2009 |
| 20090178641 | ENGINE - An engine comprising a cylinder including a piston and piston rod combination; a rotational hub; a crankshaft, connected at one end to the piston and piston rod combination and at a second end to the rotational hub; a gear train including an orbital gear, a stationary gear and a plurality of intermediary gears; and a crankshaft gear, located on an end of the crankshaft, the crankshaft gear meshing with the gear train so that movement of the crankshaft can drive a drive shaft. | 07-16-2009 |
| 20090199811 | CRANKSHAFT BEAM PISTON ENGINE OR MACHINE - Disclosed are crankshaft, single-plate cam and beam mechanisms that provide significant improvements in performance for 2- & 4-stroke engines, compressors and pumps. These cost effective mechanisms include linkages with the new and improved use of pivoting arms that operate with a variety of cylinder arrangements. One embodiment of the crankshaft mechanism has its crankpin roller positioned within a novel yoke-arm. The cam mechanism uses a pair of centrally positioned parallel links that are connected to roller cam followers and single or diametrically-opposed pistons. A pair of laterally extending follower arms connects to the ends of the links to provide support and alignment for the piston rods. Between the reciprocating links, cam followers and follower arms is a rotating odd-lobe plate cam. A beam mechanism uses opposite-direction extending balancing beams that are connected to links, cam followers and piston rods. | 08-13-2009 |
| 20090217902 | METHOD FOR ASSEMBLING A CRANKSHAFT DRIVE AND PISTON COMPRESSOR - A piston compressor includes a crankcase having an interior space. The compressor also includes a crankshaft, at least one connecting rod having a connecting rod head that interacts with the crankshaft. The at least one connecting rod and crankshaft are arranged in the crankcase and the crankcase and the at least one connecting rod are of a non-split configuration to permit assembly of the at least one connecting rod on the crankshaft by a threading into the interior space of the crankcase. | 09-03-2009 |
| 20090241894 | COMPLIANT WALLED COMBUSTION DEVICES - Combustion devices described herein comprise a compliant combustion chamber wall or segment. The compliant segment deforms during combustion in the combustion chamber. Some devices may include a compliant wall configured to stretch responsive to pressure generated by combustion of a fuel in the combustion chamber. A coupling portion translates deformation of the compliant segment or wall into mechanical output. One or more ports are configured to inlet an oxygen source and fuel into the combustion chamber and to outlet exhaust gases from the combustion chamber. | 10-01-2009 |
| 20090260595 | Engine and Straddle-Type Vehicle Including the Engine - An engine that is lighter in weight includes a crankcase, a crankshaft, a body cylinder, a head cylinder, a piston, a piston ring and a cylinder fixing bolt. The piston ring is arranged on an outer peripheral surface of the piston. One end portion of the cylinder fixing bolt extends toward the head cylinder and an other end portion of the cylinder fixing bolt extends toward the crankcase. The cylinder fixing bolt connects the head cylinder, the body cylinder and the crankcase to one another. A lower section of the body cylinder is located within the crankcase. The piston ring abuts on the lower section when the piston is located at a bottom dead center. | 10-22-2009 |
| 20090301428 | CRANKSHAFT SET OF TWO-CYLINDER ENGINE EQUIPPED WITH FLYWHEEL - A crankshaft set of a two-cylinder engine that is equipped with a flywheel may include a crankshaft that is mounted on an engine block, a first crank pin that is formed at one end of the crankshaft and is connected to a first piston through a connecting rod, a second crank pin that is formed at the other end of the crankshaft and is connected to a second crank pin through a connecting rod, and a flywheel that is disposed between the first and second crank pins and is integrally formed with the crankshaft. Accordingly, the twist and vibration characteristics are improved because the flywheel is disposed between the adjacent crank pins. | 12-10-2009 |
| 20090314247 | Engine connecting rod and crankshaft assembly - A four cycle piston engine has a crankshaft that includes a crank pin and a guide pin rotatable as a unit around the crankshaft rotational axis. The connecting rod has a linear trackway that slidably engages the guide pin so that the rod has linear slidable motion relative to the crankshaft. During the power stroke the connecting rod applies a pulling force to the crank pin via a special force-transmitting linkage. | 12-24-2009 |
| 20090314248 | Multi-Cylinder Engine - A multi-cylinder engine with a plurality of cylinders may include at least one variable cylinder that performs a power stroke or is deactivated, normal cylinders that perform power strokes at equal rotation intervals, and a control portion that activates or deactivates the at least one variable cylinder according to a predetermined load condition, wherein deactivation position of the at least one variable cylinder is determined based on rotation angle of a crankshaft. | 12-24-2009 |
| 20100050979 | CRANKSHAFT BEARING ARRANGEMENT OF A COMBUSTION ENGINE - The present disclosure refers to a crankshaft bearing arrangement for an internal combustion engine. The bearing arrangement comprises: a bearing arranged at a crankshaft of an internal combustion engine; a bearing seat for housing the bearing; and a sealing arrangement for sealing against the crankshaft and the bearing seat. The at least one part of the bearing seat has a reinforcement arranged in the bearing seat, and a surface of the at least one part of the bearing seat, which surface bears against the bearing, is made from a plastic material. | 03-04-2010 |
| 20100077984 | Reciprocating piston combustion engine - A reciprocating piston combustion engine with at least one cylinder ( | 04-01-2010 |
| 20100199944 | PISTON ENGINE AND STIRLING ENGINE - A piston is coupled to a connecting rod which is rotatably coupled to a crankshaft via an extension rod. With the configuration, reciprocating motion of the piston is transmitted to the crankshaft and converted to rotational motion. At both ends of the extension rod, a piston-side joint mechanism and a crankshaft-side joint mechanism each constructed by a spherical sliding bearing are provided. The piston is coupled to the extension rod via the piston-side joint mechanism, and the extension rod is coupled to the connecting rod via the crankshaft-side joint mechanism. | 08-12-2010 |
| 20100224164 | CRANKSHAFT FOR A VARIABLE COMPRESSION RATIO ENGINE - The invention relates to a crankshaft ( | 09-09-2010 |
| 20100229825 | SYSTEMS FOR TRANSMITTING DRIVE FORCE - The disclosure provides new crankshaft configurations for various purposes. In one embodiment, new crankshaft configurations are provided that are believed to be particularly suitable with internal combustion engines. Exemplary mechanisms convert a linear sinusoidal motion to a rotational one. In another embodiment, new crankshaft configurations are provided that are believed to be particularly suitable with manually operated drive systems, such as on bicycles. Exemplary mechanisms convert elliptic or linear reciprocating motion into angular motion. | 09-16-2010 |
| 20100263621 | Increase torque output from reciprocating piston engine - Reciprocating powered driven engine having a piston with multiplier connecting rods, driving multiplier crankshafts. | 10-21-2010 |
| 20110011368 | RECIPROCATING ENGINES - Engines may include a piston, an undulating circumferential track, and a converter. In some examples, engines may include a body, a liner and a rotating cylinder. The body may have a cylindrical interior defining an axis and may include an inlet opening and an exhaust opening. The liner may be mounted within the cylindrical interior. The rotating cylinder may include a port that is sequentially aligned with the inlet and exhaust openings on the body as the rotating cylinder rotates within the body. The piston may be disposed within the rotating cylinder and configured for reciprocating motion along the axis. The converter may be mounted to the piston, engaged with the undulating circumferential track, and configured to reciprocate with the piston. The track may cause the converter to rotate about the axis as the converter reciprocates along the axis. The rotating cylinder may rotate with the converter. | 01-20-2011 |
| 20110017167 | Engine - 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 first end to the corresponding piston, a master crank to which each such first connecting rod is rotatingly attached at a second, a load crank and one or more second connecting rods, the number corresponding to the number of first connecting rods, each second connecting rod rotatingly affixed at one end to the master crank, and at the other end to the load crank. The second connecting rods may be of the same length as that of the first connecting rods, or of different length. | 01-27-2011 |
| 20110030651 | DUAL CRANKSHAFT INTERNAL COMBUSTION ENGINE - A dual crankshaft internal combustion engine having two rotating offset crankshafts respectively attached to connecting rods. Each of the connecting rods, in turn, are pivotally attached to piston rods, which are located an equidistance between the crankshafts. The piston rods are attached to a piston reciprocally disposed in a cylinder. The crankshafts are aligned in parallel and are geared together, either directly or indirectly, thus causing the crankshafts to rotate in the same or opposite directions, depending upon the linkage gear configuration. The dual crankshaft internal combustion engine utilizes leverage from the wedge-effect of the offset crankshafts to provide increased torque, power duration and fuel efficiency. | 02-10-2011 |
| 20110107998 | Engine With Variable Compression Ratio - The present invention provides an engine with variable compression ration comprising a cylinder cover, a cylinder body, a power output shaft and a crankshaft box, the cylinder cover is fixed on the cylinder body, the crankshaft box is formed with the cylinder body integrally; In the cylinder body, an piston is connected with a crankshaft via a connecting rod; the power output shaft is mounted on the crankshaft box; a power output gear is placed on the power output shaft, an input gear is placed on a crank journal of the crankshaft, the power output gear engages with the input gear; A supporting arm is placed in the crankshaft box, the crankshaft is hinged on the supporting arm; one end of the supporting arm is hinged on the crankshaft box, and the hinging shaft is the power output shaft; the other end of the supporting arm is a control end, the control end is connected with a rotation control mechanism, which can make the supporting arm rotate around the power output shaft. Since the rotation control mechanism is used to make displacement control over the control end of the supporting arm, the compression ratio of engine matches the engine behavior, so that the efficiency is improved while the emission is reduced. | 05-12-2011 |
| 20110192371 | MULTI-LINK ENGINE - A multi-link engine is provided with an upper link, a lower link and a control link. The upper link is pivotally connected to a piston by a piston pin. The lower link is rotatably mounted on a crankpin of a crankshaft and connected to the upper link by an upper pin. The control link is rotatably connected to the lower link by a control pin and pivotally mounted on a pivot portion of a control shaft. The links are configured and arranged with respect to each other such that inertia forces of a prescribed second or higher order in terms of an engine rotational speed act on at least the upper link and the control link in a transverse direction of the engine with a sum of leftward and rightward inertia forces of the prescribed second or higher order being substantially zero. | 08-11-2011 |
| 20110197848 | PISTON MACHINE - The invention relates to mechanical engineering, in particular to piston machines. The technical result of the invention consists in increasing the reliability and service life of the cylinder-piston group of a piston machine and the power-to-displacement ratio thereof (when the machine is used as an engine) by decreasing the mass of the reciprocatingly moving elements of the machine, and in improving the efficiency by substituting boundary sliding friction in a badly oiled cylinder-piston pair by rolling friction so that the rolling elements are prevented from slipping. The essence of the invention is that the crosshead and the body of the machine are provided with guides with contact surfaces and that rollers are arranged between the contact surfaces in order to transmit reactive energy from the crosshead to the body. Furthermore, the crosshead guides are positioned on two opposite sides thereof and at least on one side of the crosshead two rollers are situated, wherein the guides are provided with toothed racks and the rollers are provided with synchronising gears engaged with the toothed racks of the body and the crosshead. | 08-18-2011 |
| 20110232600 | BARREL-TYPE INTERNAL COMBUSTION ENGINE AND/OR PISTON ACTUATED COMPRESSOR WITH OPTIMAL PISTON MOTION FOR INCREASED EFFICIENCY - A barrel-type piston-actuated internal combustion engine or pump has a drive shaft with an attached drive cam rotatably disposed within a housing. The drive cam has cam surfaces on at least one side facing a piston and cylinder. A cam follower, attached to a piston rod, is in contact with and follows the cam surfaces of the drive cam, such that rotation of the drive shaft with the drive cam results in linear reciprocating motion of the piston rod and its associated piston, and vice versa. The cam surfaces of the drive cam are cyclical in the circumferential direction in accordance with a non-sinusoidal function that controls the motion of the piston within its cylinder. The cam surfaces, and thus the piston motion, are designed and tailored to achieve desired combustion characteristics, in the case of an internal combustion engine, or pumping characteristics in the case of a pump. | 09-29-2011 |
| 20110283969 | ELASTIC FIXING FOR A PISTON OF A VARIABLE COMPRESSION RATIO ENGINE - The elastic fixing for a piston ( | 11-24-2011 |
| 20120017867 | INCREASE TORQUE OUTPUT FROM RECIPROCATING PISTON ENGINE - Reciprocating powered driven engine having a piston with multiplier connecting rods, driving multiplier crankshafts. Maximum crankshaft torque output positioned closer to the detonation timing and piston “top dead center” when cylinder above piston volume is at a lower value. Reduced engine friction losses by canceling piston side forces with the use of multiplier crankshafts positioned in offset and mirror image from piston and cylinder center line. | 01-26-2012 |
| 20120055443 | Piston with two pivot bearings and twin crankshaft piston engine - A piston for a piston-cylinder unit, the piston including two pivot bearings for pivotably supporting two connecting rods at the piston about two connecting rod pivot two connecting rod pivot axes extending in parallel to one another and laterally offset from one another; the two pivot bearings provided at a bearing element which is pivotably supported about a bearing element pivot axis at the piston; and the bearing element pivot axis extending parallel to the two connecting rod pivot axes. | 03-08-2012 |
| 20120073538 | Frictionless Rocking Joint - Reciprocating motion can be converted to rotary motion through a crankshaft and a connecting rod. In a joint between a connecting rod and a piston, the connecting rod rocks with respect to the piston. In some situations, the connecting rod is a pullrod always in tension or a pushrod always in compression making it difficult to lubricate the bearing surfaces. A joint is disclosed in which the bearing surfaces rock with respect to each other with no sliding between the surfaces. The connecting rod has a bearing surface that is part of a cylinder having a radius equal to a distance between a central axis of the journal to which the connecting rod is coupled and the bearing surface. The pin has a convexly- or concavely-curved bearing surface and the local radius is based on material properties and the local peak force that the rocking joint is designed to transmit. | 03-29-2012 |
| 20120103300 | INTERNAL COMBUSTION ENGINE - An engine includes an engine block comprising a cylinder, an intake and exhaust port, and two linearly opposing pistons reciprocatingly mounted relative to two opposing crankshafts. A pair of piston sleeves are reciprocatingly mounted in the cylinder around each piston and connected relative to their respective crankshafts. Each piston sleeve includes a slotted port in communication with either the intake or exhaust port. A pair of sleeve couplers are pivotably connected to their respective piston sleeves and eccentrically rotatable relative to their respective crankshafts. A pair of eccentric inserts include an outside circumferential surface concentrically offset from an inside circumferential surface aperture. Each inside circumferential surface aperture is pivotable about its respective crankshaft. Each outside circumferential surface is rotatable relative to its respective sleeve coupler. A pair of phase couplers are helically moveable about their respective crankshafts and are also pivotably fixed and slidable relative to their respective eccentric inserts. | 05-03-2012 |
| 20120234289 | Behnam Reciprocating Mechanisms - Sets of apparatus for translating motion from a rotating non-circular loop to linear motion and in possible cases vice versa. Such mechanisms are used in muffler cap spinning technology and engine crankshaft with uneven strokes; but not restricted to said applications. The mechanisms include a non-circular cam, a linear sliding arm or piston and parts to connect them. Disclosure also includes an adjustable closure for a sliding arm which could be utilized for said muffler cap spinning mechanisms or other applications. | 09-20-2012 |
| 20120260885 | Water lubricated composite piston engine - A water lubricated and cooled composite piston engine is fitted with a carbon composite crankshaft, rod, block, and flywheel, it is also fitted with a carbon carbon piston, a conventional head or composite or carbon carbon head. A water lubricated engine has been developed by Mercedes for drilling rigs in the North Sea now making this application possible. | 10-18-2012 |
| 20120325178 | Floating Engine Timing Plate - An engine timing plate is disclosed that is generally positioned between a crankshaft surface and a main journal. The engine timing plate is not bolted or otherwise secured to either the crankshaft surface or the main journal. Instead, the timing plate “floats” between the two surfaces. The timing plate includes protruding portion that mates or temporarily associates with a receiving portion disposed on the crankshaft. The timing plate also generally includes a raised surface forming an integrated thrust surface that may engage with, but not necessarily interlock with, one or both of the crankshaft surface and the main journal. Thus, the rotational motion of the crankshaft maintains the relative position of the timing plate with respect to the crankshaft surface and/or the main journal without the use of standard mechanical connectors, such as bolts. | 12-27-2012 |
| 20130008408 | HIGH EFFICIENCY INTERNAL EXPLOSION ENGINE - A piston-powered internal explosion engine for providing power output through a rotating crankshaft. The engine includes an engine block having power cylinders for receiving working pistons, bearing means for supporting the crankshaft, and a crankshaft supported within the bearing means having an output end extending outside of the engine block and a plurality of offset power cranks. The engine includes connecting rods operably coupled to the power cranks and configured to transfer power from the working pistons to rotate the crankshaft, and working pistons that are received into the power cylinders and operably coupled to the power cranks. Each working piston has a head end positioned adjacent to a cylinder head to form a compression chamber and is configured to receive power from an explosion of a compressed volume located within the compression chamber, and to transfer the received power to the connecting rods. | 01-10-2013 |
| 20130087117 | HEAD ASSEMBLY AND VALVE-LESS INTERNAL COMBUSTION ENGINE - A head assembly and valve-less internal combustion engine are disclosed. The head assembly includes a head having a first port extending through the head and a surface defining a portion of a combustion chamber in fluid communication with the first port. The head further includes a first shaft mounted in a first bore of the head between the first port and the combustion chamber. The first shaft includes a first aperture extending therethrough and is rotatable between a first orientation wherein the first shaft blocks fluid communication between the first port and the combustion chamber and a second orientation wherein the first shaft permits fluid communication between the first port and the combustion chamber through the first aperture. | 04-11-2013 |
| 20130118441 | Intake System for an Opposed-Piston Engine - An opposed-piston engine has a plurality of intake ports wrapped around the cylinder wall. It is desirable to obtain high swirl ratio flow with minimal pressure drop. A system have a generally-volute shaped plenum is disclosed. A centerline of the volute spirals inwardly. Furthermore, the cross-sectional area of the volute decreases in the direction of flow. The area is decreased as the flow from the plenum enters intake ports so that the velocity of flow in the plenum near the downstream end does not slow precipitously. The intake system may have multiple such volute-shaped plena coupled to mutually exclusive subsets of the intake ports. The volute shape leads to a high swirl ratio with limited drop in flow energy. | 05-16-2013 |
| 20130118442 | INTERNAL COMBUSTION ENGINE WITH MULTI-JOINT CRANK DRIVE AND ADDITIONAL MASSES ON ARTICULATED CONNECTING RODS OF THE MULTI-JOINT CRANK DRIVE FOR DAMPING FREE INERTIA FORCES - An internal combustion engine has a multi-joint crank drive which includes a plurality of coupling members rotatably mounted on a crankshaft and a plurality of articulated connecting rods rotatably mounted on an eccentric shaft, wherein each of the coupling members is pivotably connected to a piston connecting rod of a piston of the internal combustion engine and to one of the articulated connecting rods. In order that the second-order mass forces can be better compensated without a considerable increase in the friction losses, the required packaging space, the weight of the multi-joint crank drive, or the bearing forces in the bearings of the crankshaft, the articulated connecting rods are provided with additional masses and have a center of mass that lies outside the longitudinal center planes of the articulated connecting rods. | 05-16-2013 |
| 20130125855 | DWELL CYCLE CRANK WITH ROLLERS - A dwell cycle crank configuration for converting reciprocating linear motion to rotary motion includes: a follower, a top roller, a bottom roller, and a body. The top roller has a bottom portion removed. The removed bottom portion of the top roller is adapted to fit the top of the follower. The bottom roller has a top portion removed. The removed top portion of the bottom roller is adapted to fit the bottom of said follower. The top and bottom rollers are positioned within the body where each roller is adapted to rotate for allowing the follower to ride between the rollers within the body in an S-shaped pattern. | 05-23-2013 |
| 20130220267 | BEARING CONNECTION, ENGINE CYLINDER, AND ENGINE WITH THE BEARING CONNECTION - A bearing connection having a connecting rod connected rigidly to a piston and a crankshaft driven by the connecting rod. The connecting rod is connected on the crankshaft side to a transverse bearing for a sliding block, the sliding block being mounted such that it can move to and fro in the transverse bearing and a rolling contact bearing being arranged in the sliding block in order to receive the crank pin of a crankshaft. At least one cavity is formed in the piston crown and, in the area thereof close to the piston longitudinal axis, is connected to an oil feed line running through the connecting rod and that the oil feed line in the connecting rod is led or extended to the end region thereof remote from the piston and, from there, is led onward into the interior of the transverse bearing via a transfer channel. | 08-29-2013 |
| 20130255620 | CONNECTING ROD LUBRICATION APPARATUS - An apparatus includes a connecting rod having a surface that defines an opening to receive a pin for coupling the connecting rod to a piston at a first end of the connecting rod. The surface includes a groove arrangement to collect, retain and distribute lubrication fluid in the space between the pin and the inner surface. The surface can be formed by the connecting rod or a bushing in an opening of the connecting rod. | 10-03-2013 |
| 20130312698 | MS EXTENDED EXPANSION ENGINE - A four-stroke engine incorporating a camshaft-less cam channel assembly configured to operate intake and exhaust valves in an extended expansion engine, wherein the intake stroke is shorter than the expansion stroke controlled cyclically by the control rod through a triplate during the four-cycles of the engine. When the triplate is made of stamped steel plates or stamped steel plates sandwiched together having holes to lighten the weight and connecting rod and control rod are of stamped steel plates. In another embodiment, a twin cylinder extended expansion engine is constructed having many common parts between the two cylinders. | 11-28-2013 |
| 20130327290 | CRANKSHAFT HAVING OPTIMIZED CRANKPIN LUBRICATION, AND RELATED ENGINE AND METHOD FOR PRODUCING THE LUBRICATION SYSTEM - The invention relates to a crankshaft comprising at least: a journal; a first crankpin; a second crankpin; a first arm connecting the first crankpin to the journal; a second arm connecting the second crankpin to the journal; a first pipe extending away from the first crank pin toward the journal and leading onto the surface of the first crankpin on the transverse median plane thereof, and substantially passing to the center of the median plane of the second arm; and a second conduit extending away from the second crankpin toward the journal and leading onto the surface of the second crankpin on the transverse median plane thereof, and substantially passing to the center of the median plane of the second arm, characterized in that the shape of the crankshaft is such that it cannot also comprise a diametric pipe within the transverse median plane of the journal fluidly adjoining the first pipe and the second pipe, and the crankshaft comprises a third non-diametric pipe within the transverse median plan of the journal fluidly connecting the first pipe and the second pipe. | 12-12-2013 |
| 20140026842 | INTEGRALLY CAST MOUNTING PLATE - An internal combustion engine having an integral mounting bracket plate and the flywheel housing for mounting the fuel tank. Alternatively, the mounting bracket is integral with the clutch housing. In another embodiment, the fuel tank is mounted on a back pack having a tubular structure and a plate with fins for increasing the surface area of the mounting plate. | 01-30-2014 |
| 20140041621 | MULTILINK-TYPE INTERNAL COMBUSTION ENGINE - A multilink-type internal combustion engine includes a power transmission structure capable of transmitting rotation of a crankshaft to a pivot shaft. The power transmission structure comprises: a planet gear mechanism having a sun gear mounted on the crankshaft; a drive gear provided on a ring gear section of the planet gear mechanism; a driven gear mounted on the pivot shaft and meshing with the drive gear; and an adjustment mechanism for switching a rotation direction of a carrier of the planet gear mechanism to thereby adjust a meshing phase of the driven gear relative to the drive gear. | 02-13-2014 |
| 20140041622 | XY SEPARATE CRANK MECHANISM AND DRIVING DEVICE PROVIDED THEREWITH - An XY separate crank mechanism provided between a movable body reciprocating in a first direction and a rotatable crankshaft to mutually convert reciprocating motion of the movable body and rotational motion of the crankshaft, includes a support member provided freely reciprocatingly in the first direction, a crank connecting member mounted on the support member freely reciprocatingly in a second direction perpendicular to the first direction and with which a crank of the crankshaft is rotatably engaged, and a connecting member configured to connect the piston and the support member and reciprocate in the first direction together with the piston and the support member. | 02-13-2014 |
| 20140076268 | ENGINE - An engine includes: a cylinder; a first bearing that is at least partially integrally formed with the cylinder and configured to rotatably support a first shaft of a crankshaft; a second bearing that is at least partially integrally formed with the cylinder and configured to rotatably support a second shaft of the crankshaft; and a first crankcase member and a second crankcase member that include a resin-based material, and respectively constitute part and remaining part of a crankcase that houses the crankshaft. A connecting portion between the first crankcase member and the second crankcase member is continuously connected along substantially an entire length by at least one of fitting, bonding, and welding. | 03-20-2014 |
| 20140109863 | TIMING BELT PULLEY MOUNTING AND GEOMETRY FOR USE IN INTERNAL COMBUSTION ENGINES - Systems and methods for mounting a timing belt pulley to a crankshaft can include a crankshaft rotatable about a center longitudinal axis, the crankshaft including a pin assembly configured for connection to a reciprocating piston. A timing belt pulley can be positioned against the pin assembly and configured for engaging the pin assembly such that the timing belt pulley is coupled to the crankshaft for rotation about the center longitudinal axis. For example, the pin assembly can include a slot formed on an exterior surface thereof, and the timing belt pulley can include a key extending towards the pin assembly and configured for engaging the slot. | 04-24-2014 |
| 20140144405 | NON-RECIPROCATING ENGINE WITH COUNTER-CIRCULAR MOTION OF PISTONS AND CYLINDERS - An engine with pistons ( | 05-29-2014 |
| 20140158082 | Crankpin including Cam, Connecting Rod including Follower, and Internal Combustion Engine including Crankpin and Connecting Rod - A crankshaft for an internal combustion engine may include first and second journals having circular cross-sections, wherein the first and second journals define a longitudinal crankshaft axis. The crankshaft may further include a crankpin defining a longitudinal crankpin axis and being configured to be coupled to a connecting rod, the crankpin extending between the first and second journals, such that the longitudinal crankpin axis is parallel to the longitudinal crankshaft axis. The crankpin may include at least one crankpin journal and at least one cam including a cam profile, wherein the cam profile is configured to affect the stroke of a connecting rod coupled to the crankpin. A connecting rod may include a follower configured to follow a cam. An internal combustion engine may include a crankshaft and a connecting rod configured to provide relative linear movement between a crankpin axis and a proximal end of the connecting rod. | 06-12-2014 |
| 20140311441 | INTERNAL COMBUSTION ENGINE WITH COMPENSATION WEIGHT ARRANGED ON THE CRANKSHAFT AND SERVING AS AN IMBALANCE, AND METHOD FOR PRODUCTION OF THE CRANKSHAFT - The invention concerns an internal combustion engine and a method of its production having at least one cylinder and with a crank drive comprising a crankshaft, in which the crankshaft mounted in the crankcase has an associated crankshaft throw, the crankshaft throws being arranged spaced apart along the longitudinal axis of the crankshaft, and at least one compensation weight serving as imbalance is arranged on the crankshaft on the side opposite at least one crankshaft throw The compensation weight has an arcuate form on the outward-facing side, the outside of which running in the peripheral direction has a constant distance S from a reference axis which runs parallel to and spaced by a distance Δ from the longitudinal axis of the crankshaft, wherein the reference axis is arranged on the side facing away from the compensation weight, starting from the longitudinal axis of the crankshaft. | 10-23-2014 |
| 20150136067 | HIGH EFFICIENCY INTERNAL EXPLOSION ENGINE - A four-stroke, piston-powered internal explosion (“IE”) engine for providing power output through a rotating crankshaft. The IE engine includes an engine block having power cylinders formed therein for receiving working pistons, bearing means for supporting the crankshaft, and a crankshaft supported within the bearing means having an output end extending outside of the engine block and a plurality of offset power cranks. The IE engine further includes connecting rods operably coupled to the power cranks and configured to transfer power from the working pistons to rotate the crankshaft, and working pistons that are received into the power cylinders and operably coupled to the power cranks. Each working piston has a head end positioned adjacent to a cylinder head to form a compression chamber and is configured to receive power from an explosion of a compressed volume of air/fuel mixture located within the compression chamber, and to transfer the received power to the connecting rods. The IE engine is further configured so that the compressed volume of air/fuel mixture is substantially constant, and a peak compression ratio is maintained, from an angular position of the rotating crankshaft of at least 20 degrees prior to a TDC position of a compression stroke, to an angular position of at least 20 degrees after the TDC position of a power stroke, and prior to detonation. | 05-21-2015 |
| 20150322889 | Crankshaft For Engine And Engine Assembly Employing The Same - A crankshaft for an engine, includes: a first number of main journals including a head main journal positioned between one or more first-side main journals and one or more second-side main journals, the head main journal supporting a grooved shell with one or more oil grooves, a second number of pin journals including one or more first-side pin journals and one or more second-side pin journals, the head main journal connected to and being positioned between the first-side and second-side pin journals, a first extended passageway defined by and in communication with the head main journal, the one or more first-side main journals and the one or more first-side pin journals, and a second extended passageway defined by and in communication with the head main journal, the one or more second-side main journals and the one or more second-side pin journals. | 11-12-2015 |
| 20150345542 | Variable Area Journal Bearing - A method of adjusting a load-bearing capacity of a hydrodynamic plain journal bearing for a journal is provided comprising providing a hydrodynamic plain journal bearing having a circumference, wherein a load-bearing capacity of the journal bearing varies around the bearing circumference; providing the hydrodynamic plain journal bearing in a journal bearing support structure, wherein the support structure supports the hydrodynamic plain journal bearing around the journal; and rotating the hydrodynamic plain journal bearing within the support structure to change a position of the load-bearing capacity of the journal bearing relative to the journal. | 12-03-2015 |
| 20150361911 | CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE - A control apparatus for an internal combustion engine, the internal combustion engine including a plurality of cylinders, and the control apparatus including: an electronic control unit configured to: a) determine whether or not acceleration of a crank shaft at compression top dead center is equal to or greater than a threshold value; b) determine that a compression loss has occurred in the cylinder, when the acceleration of the crank shaft is equal to or greater than the threshold value; and c) prohibit the determination of compression loss, when acceleration of rotation of the crank shaft at compression top dead center has occurred a first specific number of times consecutively in the plurality of cylinders. | 12-17-2015 |
| 20160010545 | INTERNAL COMBUSTION ENGINE COMPRISING AN ELECTRIC DRIVE ON THE CRANKSHAFT | 01-14-2016 |
| 20160017795 | RADIAL ENGINE PISTON-CRANKSHAFT INTERFACES - Improved radial engine configurations where the pistons and their associated connecting rods interface with a center crankshaft by the use of slipper bearings, which only contact a portion of the center crankshaft throw. The improved radial engine crankshaft interface includes at least one connecting rod with a bearing that encircles the center crankshaft throw, and acts as a retaining ring for the slipper bearings. | 01-21-2016 |
| 20160123379 | ENGINE CRANKSHAFT - A crankshaft in an engine is provided. The crankshaft includes only two outer bearing journals configured to attach to two outer crankshaft bearings, only a single inner bearing journal positioned axially between the two outer bearing journals configured to attach to an inner crankshaft bearing, an unsupported section positioned axially between the inner bearing journal and one of the outer bearing journals, and only three rod journals each configured to attach to a separate piston rod. | 05-05-2016 |
| 20160130945 | SLIDING BLOCK FOR A SCOTCH YOKE RECIPROCATING PISTON ENGINE - A sliding block for a scotch yoke reciprocating piston engine having a base body with a receiving opening for cooperating with a crankpin of a crankshaft and side surfaces, which are oriented toward slide ways of a scotch yoke during operation, with a supply of pressurized lubricant from the receiving opening for the crankpin to the side surfaces being provided during operation, characterized in that the base body is provided with sliding plates in the region of the side surfaces oriented toward the slide ways of the scotch yoke, characterized in that the sliding plates are supported in floating fashion relative to the base body and between the sliding plates and the side surfaces, there is a gap, which is at least partially filled with lubricant during operation of the scotch yoke reciprocating piston engine. | 05-12-2016 |
| 20170234359 | Crankshaft | 08-17-2017 |
| 20180023467 | DOUBLE-LINK PISTON CRANK MECHANISM FOR INTERNAL COMBUSTION ENGINE | 01-25-2018 |
