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8176891 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...
8171899 Link type variable stroke engine  
In a link type variable stroke engine in which a piston, a crankshaft and an eccentric shaft are linked by a linking mechanism, a counterweight part which is provided so that in a projection view...
8161922 Link type variable stroke engine  
In a link type variable stroke engine in which a piston, a crankshaft and an eccentric shaft are linked by a linking mechanism, counterweights are provided on the crankshaft so that in a projection...
8156918 Internal combustion engine  
An internal-combustion engine comprised of a cylinder with at least one piston which is moving to and fro in it, and a piston rod (6), which transforms the piston's movement to rotary motion in a...
8136498 Two-plane type crankshaft  
An engine 20 includes a two-plane type crankshaft 30 and a balancer shaft 50 for reducing a primary couple of the balancer shaft 50. The crankshaft 30 includes a crankshaft body 30a and a first...
8109244 Crankdisk bearing alternatives for the Waissi type opposed piston internal combustion engine  
An improvement to the Waissi type opposed piston internal combustion engine is proposed. The engine has at least one pair of aligned and opposed cylinders with one reciprocating double-headed...
8100098 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...
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,...
8047175 In-line four cylinder engine for vehicle and vehicle provided with the engine  
A two-plane type crankshaft is provided. The weight of crank webs for the respective cylinders is divided between left and right half webs and balance ratios kL and kR of the half webs for the...
8011343 Multi link type piston-crank mechanism of internal combustion engine  
A multi link type piston-crank mechanism comprises an upper link that has one end pivotally connected to a piston of the engine through a piston pin, a lower link that is pivotally connected to the...
8001948 Kinetic energy generation apparatus having increased power output  
A kinetic energy generation apparatus having increased power energy includes a casing, a fixed gear, and a free gear, disposed on the inner side of the fixed gear and has a gear ratio equal to 3:1....
7992529 Internal combustion engine  
In an internal combustion engine, comprising: an upper link (11) connected via a piston pin (21) to a piston (32) that reciprocates within a cylinder; a lower link (12) attached to a crank pin...
7975667 Crankshaft-free drive shaft and piston assembly of a split-cycle four-stroke engine  
A drive shaft and pistons assembly of a split-cycle four-stroke engine that contains a drive rotary shaft that supports at least two circular eccentrics pivotally connected to the first ends of...
7975806 Lubrication system for a part in an internal combustion system  
A lubrication system comprising a bore including an inlet for receiving lubrication, an outlet for distributing lubrication, and a inner passageway extending between the inlet and outlet is...
7954600 Crankshaft lubrication system  
A crankshaft of an internal combustion engine has journals provided with shaft oil passages for carrying the oil to crankpins, and guide grooves having parts in which the shaft oil passages open,...
7938096 Engine start control device and method  
An engine start control device includes a starter energizing circuit that has two transistors connected in series and energizes a starter relay, and an idling stop ECU that performs energization...
7931005 Generating electricity with a hypocyloidally driven, opposed piston, internal combustion engine  
An electrical generator includes an opposed piston, internal-combustion engine with a piston and a hypocycloidal drive connected by a rod to the piston. The construction of the hypocycloidal drive...
7909012 Pulling rod engine  
The piston is connected to the crankshaft via a connecting rod, while the crankshaft is disposed between the wrist pin and the combustion chamber. This way the combustion is shifted to the slow...
7891334 Engine with variable length connecting rod  
A four-cycle internal combustion engine comprising a variable length connecting rod, two crank gears, and two drive gears; the first end of the connecting rod is connected to a piston; the second...
7856954 Systems and methods for controlled shutdown and direct start for internal combustion engine  
Systems and methods for controlling shut down of a multiple cylinder internal combustion engine include a mechanical energy storage device to decelerate an engine crankshaft to a stopping position...
7814881 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...
7810459 Split-cycle four-stroke engine  
An engine has a crankshaft, rotating about a crankshaft axis of the engine. An expansion piston is slidably received within an expansion cylinder and operatively connected to the crankshaft such...
7802544 Engine load estimating apparatus and engine load estimating method  
An engine load estimating apparatus, including an actuator that changes a position of a top dead center of a piston of the engine, and a controller in communication with the actuator. The...
7743746 Coating for connecting rods and bearings in an internal combustion engine  
Disclosed is a connecting rod for a combustion engine, comprising a small connecting-rod eye that is provided with a plain bearing surface and is used for accommodating a piston pin, and a large...
7739998 Engine having axially opposed cylinders  
This invention relates to an engine (5) having axially opposed cylinders (C). The engine (5) has a first cylinder (C) having a first cylinder opening and a first cylinder head (H), a first piston...
7707976 Efficient 5-phase motor with turbo and two compressible chambers  
An efficient novel motor is described which works with hydrogen. The motor has 2 compressible chambers for better control of fuel and oxidant ratios. A turbogenerator is utilized to ventilate...
7703432 Bearing system having a floating bearing mechanism  
A bearing mechanism for mounting a connecting rod to a crankshaft is disclosed. The bearing mechanism may include a first bearing half-shell forming a first semicylindrical member and a second...
7650870 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...
7640910 Opposed piston internal-combustion engine with hypocycloidal drive and generator apparatus  
An opposed piston, internal-combustion engine including a cylinder with a bore and opposed pistons disposed within the bore is provided with one or more hypocycloidal drives that convert the linear...
7631620 Variable compression ratio mechanism for an internal combustion engine  
An internal combustion engine has a mechanism to control crankshaft axis position and control combustion chamber compression ratio. The mechanism includes control ring, rotatably supporting...
7584738 Torsionally damped rotary shafts  
A rotary shaft, such as an automotive crankshaft, for rotation about an axis carries an eccentric substantially circular section, radially extending flap (6), connected to the radially outer...
7581315 Connecting rod assembly for an internal combustion engine and method of manufacturing same  
The present invention relates to a connecting rod assembly and method of manufacturing same. The method includes defining a small end of a connecting rod having a terminal end and defining a pin...
7578269 Adjusting apparatus particularly for an internal combustion engine  
In an adjusting apparatus, particularly for an internal combustion engine having cylinders arranged in an engine block, with a crankshaft and with pistons movably disposed in the cylinders, the...
7556014 Reciprocating machines  
A four-stoke reciprocating internal combustion engine includes the capability to change the distance between the crankshaft axis and the big end of the connecting rod and hence the maximum cylinder...
7552707 Efficiencies for cam-drive piston engines or machines  
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...
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...
7516546 Method of manufacturing a connecting rod assembly for an internal combustion engine  
The present invention relates to a method of manufacturing a connecting rod assembly having a stepped small end. The method includes defining a small end of a connecting rod assembly having a...
7516684 Shaft arrangement structure of engine  
In a shaft arrangement structure of an engine which is provided with a crank case divided into upper and lower two members, forms a transmission room accommodating a transmission within the crank...
7503305 Rotatory crank shaft  
An apparatus for converting linear motion into rotary motion or vice versa comprising a shaft (12) which is rotatable about a fixed axis (14) and carrying a circular cam (16) mounted eccentrically...
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...
7455041 Reciprocating-piston internal combustion engine  
A reciprocating-piston internal combustion engine has a crank drive and a transmission lever indirectly coupled with the piston and intersecting the cylinder axis. The lever is articulated onto the...
7455038 Rotary mechanical field assembly  
An engine is provided comprising a cylinder, a piston, a connecting rod, and a crank. A cylinder combustion occurs in the cylinder to induce movement of the piston in a lateral direction. The...
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...
7438041 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...
7434562 Internal combustion engine with parallel crankshafts  
An internal combustion engine which includes two parallel crankshafts positioned in crankcases, a cylinder positioned on a side of the crankcases, a piston movably disposed within the cylinder, and...
7418939 Crankshaft assembly with coated crank pin  
The invention provides a motorcycle having a frame, an engine coupled to the frame, and a crankshaft assembly. The crankshaft assembly includes a first flywheel half having an aperture, a crank pin...
7392781 Crankshaft of piston crank mechanism  
A crankshaft mechanism is disclosed that takes advantage of component makeup and orientation to cancel out inertial force. A crankshaft of the crankshaft mechanism includes at least one...
7357104 Internal combustion engine piston crank mechanism  
A piston crank mechanism has an upper link coupled to a piston by a piston pin, a lower link having a crankpin journal, wherein the crankpin journal is coupled to a crankpin of a crankshaft and is...
7350506 Variable stroke property engine  
Provided is a variable stroke property engine that can prevent an increase in the resistance to the engine owing to the contact between the variable stroke piston mechanism and lubricating oil. In...
7343893 Internal combustion engine  
An internal combustion engine includes a connecting rod that connects a crankpin and a piston. The connecting rod has first and second connecting rods, and a guide piston is disposed at a...
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