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| Number | Title | Issue Date |
| 7398753 | Engine with built-in continuously variable transmission An engine has a built-in continuously variable transmission (CVT) interconnecting a crankshaft connected through a connecting rod to a piston and a transmission shaft to which the rotation of the crankshaft is transmitted for changing speed between both of the shaft... | 07/15/2008 |
| 7314315 | Gearbox for cold metal cutting machine Improved serviceability of cold metal cutting machines is accomplished in a modified gearbox structure enabling several annular components that are conventionally attached by press-fit to be attached instead by slide-fit for easy removal and replacement, eliminating... | 01/01/2008 |
| 7150259 | Internal combustion engine A power transfer assembly (2000) for transferring energy within a combustion engine (1010) externally of the engine. The power transfer assembly includes a crankshaft (2006) adapted to convert reciprocating motion to rotating motion. The power t... | 12/19/2006 |
| 7128042 | Interchangeable 2-stroke or 4-stroke high torque power engine This invention is a fuel efficient, high torque power, offset piston engine. The basic invention is a 2-stroke 2-cylinder engine. A single idler gear provides ignition timing between a pair of out-of-phase power pistons as 1-way clutches transmit the power to the en... | 10/31/2006 |
| 7130750 | Flow meter with magnetoresistive sensors and method of measuring flow A variable area flow meter has a magnet carried by a piston which is moved to a position representing fluid flow. An array of magnetoresistive bridge sensors adjacent the path of magnet movement senses the magnet position. The bridges are unbalanced by the magnet fi... | 10/31/2006 |
| 7100544 | Pneumatic cone clutch fan drive having threaded attachment method for drive shaft of clutch to hub mounting An on/off clutch assembly is disclosed having a simplified method for attaching the drive shaft to the hub portion of the drive pulley. The rotating shaft is formed with an integral external threaded portion that is designed to mate with a corresponding internal thr... | 09/05/2006 |
| 6923091 | Internal combustion engine with hydraulically operated automatic transmission An internal combustion engine with a hydraulically operated automatic transmission includes a crankcase that is divided on a plane perpendicular to a crankshaft and an outer face of the crankcase in a direction of the crankshaft is covered with a crankcase cover. A ... | 08/02/2005 |
| 6910547 | Mounting arrangement of an automobile drive unit having a combustion engine and a transmission The invention aims at providing a compact mounting arrangement for an automobile drive unit consisting of a combustion engine and a transmission. According to the invention, the crankshaft of the combustion engine and an auxiliary shaft driven by said crankshaft ext... | 06/28/2005 |
| 6105542 | Modular engine A modular engine has a plurality of engine sections, with each of the engine sections having a power module, which power modules are bolted to one another in a selected positional relationship. A link-up device is selectively able to couple any number of ... | 08/22/2000 |
| 5875752 | Engine drive train having a front gear train with improved torsional dynamics An improved engine gear drive train arrangement is provided which effectively minimizes the crankshaft torsional vibrations at the location of the gear train, for engines with a front gear train. A flywheel is resiliently connected to the rear end portion... | 03/02/1999 |
| 5673665 | Engine with rack gear-type piston rod Disclosed is an engine with a rack gear-type piston rod, including first and second cylinders disposed oppositely to each other along a common axis. The cylinders respectively have first and second pistons that move back and forth along the common axis, a... | 10/07/1997 |
| 5497742 | Drive through crankshaft A crankshaft assembly provides a combination of a clutched hollow crankshaft for driving a reciprocating device with a driveshaft for driving another device. The drive shaft extends through the crankshaft and is powered by the same flywheel as is used to ... | 03/12/1996 |
| 5203295 | Internal combustion engine A multicylinder internal combustion engine includes a plurality of reciprocating pistons each having a piston rod connected to a ball cage arrangement for converting reciprocating motion of the piston rod into rotation of a shaft coaxial with the piston r... | 04/20/1993 |
| 5152254 | Internal combustion engine for vehicles An internal combustion engine (20) which includes an oscillating piston (52) and rotary valves (34) and (36) is shown. Oscillating movement of piston shaft (50) is transmitted to oscillating idler shaft (66). Outer and inner coaxial shafts (82) and (84) a... | 10/06/1992 |
| 5094203 | Reciprocating engine for a motor vehicle In the case of a reciprocating engine of V-construction, a generator is arranged in the V-center. The outer walls of the engine power section bounding the V-cutout are adapted to the cylindrical housing of the generator and surround it at a radial distanc... | 03/10/1992 |
| 5078105 | Engine for vehicle An engine having a crank case splitted into upper and lower crank cases, and including a crank shaft and a transmission drive shaft disposed on the split plane between the upper crank case and the lower crank case and a transmission main shaft carried by ... | 01/07/1992 |
| 4907548 | Pinion gear assembly for translating reciprocating movements of the pistons in the cylinders of an internal combustion engine into the rotating movement of a shaft A pinion gear assembly for translating the back and forth movement of the pistons in the cylinders of an internal combustion engine into the rotating movement of a shaft is described. Two pistons are each disposed in pairs and opposite each other with the... | 03/13/1990 |
| 4480611 | Internal combustion engine using several kinds of fuels, with electronically adjustable intake and exhaust valves and injection device The combustion engine using several kinds of fuels is provided with intake and exhaust valves and an injection device which may be electronically adjusted. It is comprised of at least one working cylinder (1, 1a) at the upper part of which is provided a f... | 11/06/1984 |
| 4475495 | Transmission An infinitely variable ratio transmission is disclosed in which the rotary output of the crank shaft of an internal combustion engine is imparted to an output or drive shaft in a stepwise manner via an adjustable speed drive linkage and Sprague clutch arr... | 10/09/1984 |
| 4433649 | Engine An internal combustion engine has a piston rack depending from each piston. This rack is connected to a power output shaft through a mechanical rectifier so that the power output shaft rotates in only one direction. A connecting rod is pivotally connected... | 02/28/1984 |
| 4127036 | Engine having alternately rotating orbital pistons and cylinders An engine having valve means, timing means, fuel distribution means and ignition means configured for operation on a combustible mixture of fuel and air, or other energy source, comprises at least one annular cylinder and mating annular piston forming com... | 11/28/1978 |
| 4121480 | Internal combustion engine and transmission coupling An opposed piston engine includes pistons mounted at opposite ends of a piston rod which is pivotally coupled to one end of a rocker arm coupling the piston rod to a connecting rod in turn coupled to an eccentric drive mechanism. The rocker arm is pivotal... | 10/24/1978 |
| 3991736 | Ratchet driving internal combustion engine Two reciprocating pistons in opposite cylinders connected by a shaft that fears ratchet nuts that engage and drive a flywheel which may drive another device.... | 11/16/1976 |
