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| Number | Title | Issue Date |
| 8109252 | Rotary engine combustion chamber An apparatus for facilitating combustion in a rotary engine with planetary rotors orbiting inside a housing containing a main rotor. In various embodiments, the planetary rotor has a multi-faceted face that engages a bridge during the transition from the compression... | 02/07/2012 |
| 8056529 | Rotary internal combustion engine for combusting low cetane fuels This invention presents a compact, light, efficient and high power output rotary internal combustion engine utilizing the waste heat. The engine has a rotor rotatable within a housing, but has no piston. The rotor has a plurality of combustion chambers, with inlets ... | 11/15/2011 |
| 8037861 | Rotary engine with two rotors and its design method This invention provides a rotary engine and the type engine design method. This engine mainly has two nested rotors and a cylinder body. This invention publicizes in detail about the rotary engine movement principle and the work mechanism. This type engine can the a... | 10/18/2011 |
| 8011345 | Energy transfer machine with inner rotor An energy transfer machine, for example, a positive displacement internal combustion device, has a fixed or rotating outer housing, an internal rotating carrier and one or more inner rotors with rotational axes which are offset from the inner rotor carrier rotationa... | 09/06/2011 |
| 7954470 | Energy transfer machine An energy transfer machine, for example, a positive displacement internal combustion device, has a fixed outer housing, an internal rotating carrier and one or more inner rotors with rotational axes which are offset from the inner rotor carrier rotational axis. Proj... | 06/07/2011 |
| 7909014 | Oscillating piston machine An oscillating piston engine comprises a housing in which at least one piston is arranged which can revolve in the housing about an axis of rotation which is fixed in relation to the housing, and which performs when revolving about the axis of rotation reciprocating... | 03/22/2011 |
| 7866297 | Rotary heat engine A rotary internal combustion engine has two opposing rotary discs. Each rotary disc has a half-cylindrical chamber located around its perimeter. An outer casing encompasses both rotary discs. Intake and exhaust ports and necessary engine controls are formed in said ... | 01/11/2011 |
| 7845332 | Rotary engine with vanes rotatable by compressed gas injected thereon A rotary engine includes an outer shell having a plurality of working spaces each receiving a power-generating unit. A rotor is rotatable within the outer shell, and includes a rotor body and a plurality of vanes. When the rotor rotates one revolution in the outer s... | 12/07/2010 |
| 7814882 | Rotary piston engine An internal combustion engine including a working chamber assembly housing, intake and exhaust ports, a pair of piston assemblies each of which assemblies includes at least one pair of diametrically opposed pistons within the working chamber assembly housing rotatab... | 10/19/2010 |
| 7707987 | Hydrogen G-cycle rotary internal combustion engine A hydrogen G-cycle rotary vane internal combustion engine has a sodium vapor chamber transferring excess combustion heat into combustion chambers. An active water cooling system captures heat from the engine housing stator, rotor, and sliding vanes and transfers it ... | 05/04/2010 |
| 7681549 | Oscillating piston engine An oscillating piston engine comprises an internal combustion engine part having a housing part in which there are arranged a first and at least a second piston which can jointly revolve in the housing part about an axis of rotation fixed in relation to the housing ... | 03/23/2010 |
| 7637243 | Rotary internal combustion engine This invention presents a compact, light, efficient and high power output rotary internal combustion engine utilizing the waste heat. The engine has a rotor rotatable within a housing, but has no piston. The rotor has a plurality of combustion chambers, with inlets ... | 12/29/2009 |
| 7631632 | Orbital engine/pump with multiple toroidal cylinders The orbital engine or pump comprising of drive train, having several elliptical gears each rotating around focal point with focal distance defined as function of minimum vanes opening, and toroidal cylinders each having inside two impellers with radial vanes continu... | 12/15/2009 |
| 7614382 | Aspiration plate for planetary rotary internal combustion engine An apparatus for an aspiration plate for a rotary internal combustion engine. The engine has three rotating members that orbit about the center of a three-armed rotor as the rotor rotates within a housing with three lobes. The tips of the rotating members engage the... | 11/10/2009 |
| 7578278 | Multilobe rotary motion asymetric compression/expansion engine A rotary engine with multiple pivotally mounted lobes desmodromically extendible and retractable from a rotor to trace asymmetric volumes for inlet and compression and expansion and exhaust based on the contour of the engine case which the lobes sealingly engage. | 08/25/2009 |
| 7503307 | Energy transfer machine with inner rotor An energy transfer machine, for example, a positive displacement internal combustion device, has a fixed or rotating outer housing, an internal rotating carrier and one or more inner rotors with rotational axes which are offset from the inner rotor carrier rotationa... | 03/17/2009 |
| 7500462 | Internal combustion engine An internal combustion engine operates on a four-stroke cycle and includes a housing defining: one or more generally wedge-shaped combustion chambers, and an internal cavity in which a wheel is mounted for rotation on a crankshaft. Arranged inside each combustion ch... | 03/10/2009 |
| 7493885 | Asymmetric complete expansion rotary engine cycle An asymmetric complete-expansion thermodynamic engine cycle is provided by an engine which compresses an air/fuel mixture to a given ratio, ignites and combusts the mixture, and expands the products through a power stroke to a volume substantially larger than the co... | 02/24/2009 |
| 7478619 | Rotary engine for motor vehicles with very low consumption and pollution rate An internal combustion rotary engine is described, adapted to be used both for motor vehicles and ground machines (alternators, compressors, pumps and the like) or water craft or any type. The used fuels are the same of the presently used reciprocating engines. This... | 01/20/2009 |
| 7472676 | Differential with guided feedback control for rotary opposed-piston engine A gear set is disclosed having a guide, such as a cam, engaging the output shaft of the gear shaft and being indexed thereby. The guide drives one or more followers which in turn drive one or more interfaces of a differential gear set. The output shaft may be driven... | 01/06/2009 |
| 7472677 | Energy transfer machine An energy transfer machine, for example, a positive displacement internal combustion device, has a fixed outer housing, an internal rotating carrier and one or more inner rotors with rotational axes which are offset from the inner rotor carrier rotational axis. Proj... | 01/06/2009 |
| 7469673 | Rotary-piston engine and vehicle comprising an engine of this type A rotary-piston engine includes at least two rotary pistons, which are located in an essentially spherical housing and which rotate in common about a rotational axis running through the center of the housing, each of the rotary pistons comprising two pistons that ar... | 12/30/2008 |
| 7441534 | Rotary engine system This rotary internal combustion engine has two rotatable vane type pistons mounted for axial rotation in a sealed casing. In an exemplary cycle, one piston is released to rotate at or prior to initiating combustion in the combustion space between the two pistons, wh... | 10/28/2008 |
| 7431007 | Apparatus adapted to perform as compressor, motor, pump and internal combustion engine A rotary apparatus with an enclosure formed by a hollow curved housing along with two sleeves, with two vanes within the enclosure, where one vane is fitted on each sleeve and the space within the enclosure is partitioned into two segregated volumes by the vanes whi... | 10/07/2008 |
| 7415962 | Internal combustion engine An internal-combustion engine comprises an engine housing having a first wall delimiting a first combustion chamber, a first piston also delimiting said first combustion chamber and with a first piston head, a first crankshaft, a second piston also delimiting said f... | 08/26/2008 |
| 7398757 | Toroidal engine method and apparatus A rotary motion device having piston valves that define an open region that are adapted to engage a power tooth of the power ring as the power ring rotates around the piston valves and the piston valves rotate about their own separate axis that is fixed with respect... | 07/15/2008 |
| 7395805 | Single cycle elliptical rotary engine A rotary engine having a rotor housing with a bisected, offset elliptical interior wall and a rotor member disposed therein. Four rotor vanes reciprocate radially from within said rotor wherein the opposing vanes perform the same function simultaneously as they pass... | 07/08/2008 |
| 7364415 | Twin piston fluid compressor or pump apparatus with an annular bore housing An apparatus to pump fluid comprises an annular bore (12) and at least one pair of pistons (15, 16) which travel along the bore (12). The pistons (15, 16) can be releasably locked to a rotating plate like member (14) to travel thro... | 04/29/2008 |
| 7353796 | Rotary machine The rotary machine can be used as a rotary internal combustion engine and as a pneumatic or hydraulic pump. The rotary machine comprises a housing in the form of two intersecting cylinder parts of different diameters having parallel axes. A rotor is received in the ... | 04/08/2008 |
| 7350501 | Planetary rotary internal combustion engine An apparatus for a rotary internal combustion engine. The engine has three rotating members that orbit about the center of a three-armed rotor as the rotor rotates within a housing with three lobes. The tips of the rotating members engage the lobes and a circular cu... | 04/01/2008 |
| 7350581 | Vapor recovery system A vapor recovery apparatus for oil and gas well production that is used in combination with a liquid separator, a sales line and a holding tank includes a compressor, which is drivingly linked to an engine. A first conduit extends from fluid communication with the h... | 04/01/2008 |
| 7347676 | System for the construction of pumps, compressor, and motor engines, formed by a rotary chamber and pistons which are driven in the same direction at varying velocities alternatively opposite to each other, inside a fixed open or closed structure A system includes a rotary chamber and pistons that move in the same direction at varying and alternatively opposite velocities to each other inside a fixed structure. The chamber is rotatively formed by two rotary partial-chambers, each partial-chamber having a pis... | 03/25/2008 |
| 7343894 | Modular rotary engine An internal combustion device, rotor self cooled, concentric and symmetric shape, dynamically variable compression ratio; capable of developing multiple Otto cycles per rotation, using modules, each made, mainly of a solenoid gate valve and three chambers operating ... | 03/18/2008 |
| 7328672 | Radial impulse engine, pump, and compressor systems, and associated methods of operation Radial impulse engine, pump, and compressor systems are disclosed herein. In one embodiment of the invention, an engine includes a first end wall portion spaced apart from a second end wall portion to at least partially define a combustion chamber therebetween. In t... | 02/12/2008 |
| 7325517 | Radial impulse engine, pump, and compressor systems, and associated methods of operation Radial impulse engine, pump, and compressor systems are disclosed herein. In one embodiment of the invention, an engine includes a first end wall portion spaced apart from a second end wall portion to at least partially define a combustion chamber therebetween. In t... | 02/05/2008 |
| 7308884 | Rotary engine A circular column-shaped flywheel rotor 4 that rotates inside a rotor housing 1 in which a cylindrical-shaped hollow section is formed; a piston head 34 that is located on the flywheel rotor 4 so that it can come in sliding contact with t... | 12/18/2007 |
| 7305937 | Rotary toroidal machine with piston connecting mechanism A rotary machine includes a housing divided into a first stationary portion and a second rotational portion. The second rotational portion is supported for rotation with respect to the stationary portion about an axis of the housing. The first and second portions of... | 12/11/2007 |
| 7299740 | Reciprocating axial displacement device A reciprocating axial displacement mechanism is disclosed generally comprising a housing, a rotating device, a displacement device having first and second undulating surfaces disposed in the housing, and a cam connected to the rotating device and disposed between th... | 11/27/2007 |
| 7270106 | Free-planetary gear moderated nutating (athena) engine In a nutating engine (or more generally a rotary displacement device) the cycling of combustion occurs between inner and outer spherical surfaces. The combustion chambers are additionally defined only by the surfaces of teeth of specially designed gears. These gears... | 09/18/2007 |
| 7258082 | Oscillating-piston machine An oscillating-piston machine comprises a housing, in which a first and at least a second piston are arranged, which pistons can together revolve in the housing about an axis of rotation that is fixed with respect to the housing, and which pistons, as they revolve a... | 08/21/2007 |
