Class 123/56.4 - Single bank of cylinders

Subclass of Class 123 - Internal-combustion engines
Definition: Multiple cylinder engine wherein the cylinders are oriented
No. of patents: 33
Last issue date: 05/27/2008

Number	Title	Issue Date
7377238	Variable compression ratio device of internal combustion engine A variable compression ratio device of an internal combustion engine includes a piston inner part connected to a connecting rod and a piston outer part fitted on an outer periphery of the piston inner part. The piston outer part is only slidably in an axial directio...	05/27/2008
7367305	Internal combustion engine and connecting rod therefor A connecting rod of an internal combustion engine, and an internal combustion engine including the connecting rod, a piston, a crankshaft and a float bearing as main moving parts. A piston is connected to a connecting rod by a spherical joint and has radial ribs on ...	05/06/2008
7137366	Two-cycle swash plate internal combustion engine A power-generation device comprising at least one cylinder, at least one cylinder head, at least one piston and an output shaft, having a central axis having a fixed angular relationship to the central axis of the cylinder. A swash plate, having a first swash plate ...	11/21/2006
6968751	Axial piston machines This invention relates to internal combustion engines with cylinders arranged parallel to the main shaft and where reciprocating movements of the pistons are converted to rotation by means of a Z-crank mechanism and motion converter, or conversely to systems such as...	11/29/2005
6938589	Variable displacement engine An internal combustion engine having at least one piston with an adjustable stroke length. The engine includes a connecting rod attached to the piston and a crankshaft. The crankshaft has a journal portion that extends along a length that is non-perpendicular to a m...	09/06/2005
6925973	Piston engine assembly A variable compression piston assembly includes a plurality of pistons, a transition arm coupled to each of the pistons, and a rotating member mounted for pivoting movement to slide along an axis of the drive member. Movement of the rotating member relative to the d...	08/09/2005
6164252	Reciprocating piston engine with a swivel disk gear The reciprocating piston engine has an annular swivel disk (6), driven by the engine shaft (5) and whose inclination with respect to the latter is adjustable, for driving circumferentially juxtaposed reciprocating pistons (2). For this purpose it is conne...	12/26/2000
5762039	Barrel engine connecting rod A two piece connecting rod assembly for a axial cylinder, internal combustion engine with each rod half having a bearing sleeve at each end for pivotal engagement with the universal joint turnion. The two rods are connected to each other at their centers ...	06/09/1998
5553582	Nutating disc engine The present invention is directed to a reciprocating piston, multi-cylinder internal combustion engine. The piston rods impinge on a nutating disc. The nutating disc is constrained in its movements in part by a constant-velocity (C.V.) joint. Movement of ...	09/10/1996
5450823	Axial-piston machine The body of the proposed axial piston machine incorporates a cylinder block ith cylindrical spaces. The axes of the cylindrical spaces are parallel with the longitudinal axis of the engine crankshaft and the cylindrical spaces accommodate reciprocating pis...	09/19/1995
5442971	Mechanism for transforming rotary motion of a shaft into translational motion of actuating members A 7-cylinder axial-piston internal combustion engine has a casing (33) inded for connection with a cylinder block (2). Formed in the casing (33) coaxially with shaft (11) is a cavity which receives a drive gear 41 on an end of the shaft (11). The drive g...	08/22/1995
5362154	Pivoting slipper pad bearing and crosshead mechanism Arrangements are disclosed for a highly improved pivoting slipper pad bearing construction offering a reduction in friction, an increase in efficiency and by virtue of their shape and simplicity of form, may be easily and inexpensively produced. Also a su...	11/08/1994
5261358	Internal combustion engine An internal combustion engine comprises a cylinder of stepped configuration having a working portion and a pumping portion and a piston of stepped configuration having a working portion and a pumping portion, the working and pumping portions respectively ...	11/16/1993
5113809	Axial cylinder internal combustion engine having variable displacement An axial cylinder variable displacement internal combustion engine. In a first embodiment, variable displacement is provided by a cylindrical sleeve that axially receives the hollow drive shaft of the engine. Plural helical slots are formed in the sleeve....	05/19/1992
5094195	Axial cylinder internal combustion engine A barrel type internal combustion engine having a plurality of axially-positioned cylinders, with reciprocating pistons, arranged in a circular pattern with a drive shaft supported in a cylinder block in a cantilevered manner by a sleeve bearing and a wob...	03/10/1992
5076219	Internal-combustion engine with rotary distribution A rotary bell (36) driven by a hollow shaft (42) and a pinion (46) selectively exposes intake and exhaust ports of the cylinder head (23). The bell (36) delimits a substantially hemispherical combustion chamber (26) and has a progression face (62) which p...	12/31/1991
5027755	Wobble plate internal combustion engine A multi-cylinder wobble plate engine includes a two-part wobble plate, wherein an inner part is fixedly mounted to an elongate longitudinally aligned main shaft, with an external portion of the wobble plate fixedly mounted relative to a surrounding housin...	07/02/1991
5007385	Crankless engine The present invention relates to a mechanism for transforming a reciprocating motion and a rotating motion from one to the other, and more particularly to a crankless engine in which in place of a crank shaft there is used a rocking member having a rockab...	04/16/1991
4909206	Internal combustion engines An internal combustion engine includes a beam mounted on a central pivot, at least two pistons are each slidably located in a cylinder to act on an opposite end of the beam, said beam defining a cradle, a bearing is mounted within the cradle upon a pair o...	03/20/1990
4781152	Barrel heat engine whose pistons and liners are cooled by a directed fluid flow produced by turbines inside the engine A barrel machine, more particularly a barrel engine cooled by means of turbines (5, 6) disposed around a central shaft (4) and distributing the outside air from the central part of the engine, more particularly inside the pistons and liners. Water and oil...	11/01/1988
4736715	Engine with a six-stroke cycle, variable compression ratio, and constant stroke An engine comprises an output shaft journalled in a crankcase for rotation about an axis, an even number of cylinders, each having its axis parallel to the shaft axis, arranged in diametrically opposite pairs radially equidistant from the shaft axis and e...	04/12/1988
4497284	Barrel type engine with plural two-cycle cylinders and pressurized induction A barrel-type internal combustion engine having a plurality of parallel two stroke piston-cylinder assemblies grouped around a central axis and output shaft. The induction system is from a charge-forming means into intake ports on the outside of the cylin...	02/05/1985
4366786	Reciprocarint piston internal combustion engine An internal combustion engine includes a plurality of cylinders each containing a reciprocative piston connected to an output rotary power shaft. The cylinders communicate with a common fuel chamber sequentially through a rotary distribution valve driven ...	01/04/1983
4363294	Piston and cylinder machines A piston and cylinder machine, e.g. an engine or pump, in which the cylinder rotates about a first axis from which the cylinder is spaced, and the piston rotates about a second axis inclined to the first with the result that during the rotation, the pisto...	12/14/1982
4294139	Drive for a machine comprising variable-stroke reciprocating pistons A drive comprising a rotatably journalled shaft on which a plate is mounted so that the plate cannot rotate with respect to the shaft during operation. The plate can, however, be adjusted around a pin which extends transverse to the rotatably journalled s...	10/13/1981
4258590	Wobble plate control for a variable piston displacement machine A variable angle wobble plate drive for varying piston displacement has constant velocity coupling from the wobble plate to the frame which permits all axis-dynamic balancing. The coupling uses an idler element rotating on a tilted axis portion of the sha...	03/31/1981
4192261	Multi-cylinder reciprocating piston internal combustion engine A multi-cylinder reciprocating piston internal combustion engine with the cylinders thereof arranged in series in a plurality of rows, which includes a crank shaft with Z-shaped lift pin having rotatably journaled thereon a universal joint. The universal ...	03/11/1980
4174684	Variable stroke internal combustion engine An internal combustion engine in which the longitudinal center line of the cylinders are parallel to and equally spaced around the longitudinal center line of the engine. The pistons, working within said cylinders, are mounted on a swash plate mechanism, ...	11/20/1979
4152945	Power transmitting mechanism A power transmitting mechanism for converting the thrust of reciprocating pistons to a rotary output shaft at speeds independent of the frequency of piston reciprocation. Power developed by expanding gases in accordance with well-known thermal cycles, suc...	05/08/1979
4152944	Piston type energy conversion machine A piston type energy conversion machine such as an internal combustion engine in which the thrust of piston reciprocation is converted to nutational movement of a tube-like member journalled in a support which is driven in rotation about a primary engine ...	05/08/1979
4003352	Longitudinal-stroke internal combustion engines An improved crankshaft-driven internal combustion engine of the type having pistons reciprocable along an axis parallel to the crankshaft axis is described. Communication is effected, between the suction and exhaust ports of the engine and successive ones...	01/18/1977
3939717	Power transmitting mechanism for reciprocating engines or pumps A mechanism for reciprocating engines or pumps, the mechanism transmitting power from the axially arranged piston rods to the axially arranged main shaft via a slant fixed to said shaft and a cross head gripping and sliding on the edge of the slant. The i...	02/24/1976
3938397	Power transmitting mechanism A power transmitting mechanism for reciprocating engines or pumps connecting the piston rods of a plurality of cylinders with a slant on a main shaft, the cylinder axes being parallel with the main shaft. The connection is provided by means of claw-shaped...	02/17/1976

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Class 123/56.4 - Single bank of cylinders