Matches 1 - 50 out of 109 1 2 3 >
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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...
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...
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...
7461626 Powertrain including a rotary IC engine and a continuously variable planetary gear unit  
A powertrain for driving a motor vehicle includes an internal combustion engine including first and second rotors supported for rotation about an axis, a first epicyclic gear unit including a first...
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...
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...
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...
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...
7255086 Rotary internal combustion engine  
The invention can be used for transport means, sports cars and power plants. The inventive engine comprises a hollow toroidal working cylinder provided with a continuous circular slot embodied...
7222601 Rotary valveless internal combustion engine  
A rotatably alternating air or water cooled two-stroke internal combustion engine comprising a cylindrical casing, and a rotor comprising two radially extending vanes affixed to a shaft rotatably...
7188602 Concentric internal combustion rotary engine  
An internal combustion rotary engine includes a housing having an inlet and an outlet and a rotatable rotor centrally mounted within the housing. The rotor includes a plurality of pockets located...
7185625 Rotary piston power system  
The rotary piston power system includes a housing having a drum and a cover rotatably mounted on the drum. The drum has high pressure and low pressure ports defined in its peripheral wall and a...
7182061 Rotary internal combustion engine  
A rotary internal combustion engine comprising at least one but preferably a plurality of two operating chambers each having a toroidal path of travel on an interior thereof and an interactive...
7178502 Balanced rotary internal combustion engine or cycling volume machine  
A balanced rotary cycling machine suitable for use as an internal combustion engine, compressed gas or steam engine, compressor or pump is disclosed herein. The rotor assembly consists of four...
7156068 Rotary combustion engine  
The aim of the invention is to dispense with the disadvantages of previous engines either fully or partially. This is achieved by two cylindrical parts which rotate into each other, respectively...
7032565 Rotary combustion engine with lateral thrust between opposing and engaging combustion flywheels  
A modular revolving cylinder engine including at least two interdependent flywheels driven in rotation by a driving device ( 1 ) that rotates them in synchronization and in opposite directions....
6991441 Expansible chamber device having rotating piston braking and rotating piston synchronizing systems  
An expansible chamber device includes a braking system with a set of cam surfaces on the piston assemblies and a set of movable members adapted to alternately engage first and second sets of cam...
6988482 Dual rotor internal combustion engine  
An engine including a housing formed with a pair of side-by-side intersecting substantially cylindrical cavities, and a pair of counter-rotating power rotors rotatably mounted within the cavities....
6978758 High Efficiency rotary piston combustion engine  
A computer controlled rotary piston engine includes a blower housing containing a rotatable impeller assembly, for pushing ambient air into the housing, and forcing the air to pass through a...
6962137 Two-cycle rotary engines  
Two-cycle, single vane impeller, hinged hub rotary engines are simple embodiments of a new class of engines. The 2-cycle, hinged hub rotary engines have dependently rotating impellers with,...
6948473 4-cycle, rotary, electromagnetic, internal combustion engines  
Four-cycle rotary engines, with an even number of hinged-hub impeller vanes, utilize dependently rotating, joined, hinged-hub impellers, with interdigitated, alternating hub sections, on a shared,...
6895923 Rotary and centrifugal driven internal combustion engine  
A rotary engine assembly having a three dimensional and substantially cylindrical shaped outer casing. A plurality of pistons are mounted in circumferentially traversable fashion within the casing,...
6886527 Rotary vane motor  
A rotary vane motor uses a gear train arrangement for controlling the position of the vanes as well as the compression ratio of the motor. The motor includes a first pair of vanes namely a leading...
6880494 Toroidal internal combustion engine  
Toroidal internal combustion engine comprising two concentric engine rings. Intake valves are assembled in two faces of one set of pistons and exhaust valves in two faces of the second set of...
6739307 Internal combustion engine and method  
Internal combustion engine and method in which pistons on different rotors move relative to each other to form chambers of variable volume in a toroidal cylinder. The pistons move in stepwise...
6691647 Engine and drive system  
The engine comprises four open-ended curved cylinders ( 10 ) disposed in torroidal arrangement with respect to a central pivot point ( 11 ). Two piston arms ( 12 ) are pivoted about the point ( 11...
6668787 Internal combustion engine  
There is provided an internal combustion engine ( 10 ) having a housing ( 11,12,13 ) and a rotor arrangement ( 21,22,34 ) which is mounted for oscillating rotary movement within the housing. The...
6457452 Mechanism for interconnecting first-and second-shafts of variable speed rotation to a third shaft  
A rotary piston engine ( 20 ) is shown that includes a housing ( 22 ) having a toroidal working chamber with inlet ( 56 ) and exhaust ( 54 ) ports. First and second piston assemblies ( 30 and 32...
6457451 Rotary piston engine  
A rotary piston engine ( 20 ) is shown that includes a housing ( 22 ) having a toroidal working chamber with inlet ( 56 ) and exhaust ( 54 ) ports. First and second piston assemblies ( 30 and 32...
6401687 Axial rotary engine  
The rotary axial engine comprises a housing 1 in which there is a wave-like annular channel 10 for a working medium and a rotor 5 is mounted, the peripheral portion of the rotor being in the...
6341590 Rotary engine  
A rotary engine including a static toroidal cavity having an inlet port for introducing fuel and air to the cavity and an outlet port for exhausting products of combustion from the cavity. A first...
6305345 High-output robust rotary engine with a symmetrical drive and improved combustion efficiency having a low manufacturing cost  
An oscillatory scissor type rotary engine having two rotors wherein first and second rotor drive mechanisms are located on first and second opposite sides of the engine respectively, each rotor...
6289867 Rotary engine  
A rotary engine having a pair of nested rotors positioned with a housing to define a central combustion chamber and four subchambers having variable volumes. Rotors are mounted about a driveshaft...
6257196 Rotary disc engine  
A rotary internal combustion engine comprising a generally cylindrical shaped rotor housing, a pair of cylindrical shaped rotary discs having inner and outer concentric members and a plurality of...
6247444 Rotary motor using pistons  
A rotary motor using pistons for providing a scalable and more efficient, higher speed engine with improved compression. The rotary motor using pistons includes a main housing having and interior,...
6113370 Rotary vane machine  
The invention provides a rotary-vane machine having a stationary shell including a casing member (2), a camming ring (4) having an internal, noncircular camming surface (6), and a flange member...
5992371 Rotary piston machine usable particularly as a thermal engine  
A machine with rotary pistons having an engine unit with a cylindrical chamber, the engine having two rotors coaxially mounted in the cylindrical chamber. The first rotor is continuously...
5727518 Alternating piston rotary engine with unidirectional transmission devices  
A rotary internal combustion engine has first and second paddles, hubs and side-discs substantially sealingly in the internal-combustion-cycle chamber and freely rotatable on a drive shaft, First...
5722361 Internal combustion engine with pistons that rotate about a center line  
An internal combustion engine with rotating pistons works on the basis of the cat and mouse principle. The charge is axially exchanged over one of the housing lids (28) and the adjacent rotary side...
5685269 High speed rotary engine and ignition system  
A rotary engine in which two rotors having interleaving radial vanes move with cyclic rotary motion superposed on uniform rotary motion inside a cylindrical cavity in a cooled engine housing. The...
5645027 Orbiting piston combustion engine  
An orbiting piston combustion engine includes a toroidal cylindrical block with a continuous toroidal cylinder within the block. Within the cylinder is a continuously orbiting piston assembly which...
5622149 High-power rotary engine with varaiable compression ratio  
A rotary engine having two interdigitated rotors (FIGS. 1a, 1b, or 1c) each of which has two radial vanes dividing a cylindrical cavity in the liquid-cooled rotor housing (11 in FIG. 2) into four...
5537973 Rotary engine with glow ignition system  
A rotary engine in which two rotors having interleaving radial vanes revolve inside a cylindrical cavity and are connected to a planetary output gear system which causes them to alternately speed...
5433179 Rotary engine with variable compression ratio  
A rotary engine in which two rotors having interleaving radial vanes (3,4,8,9) revolve inside a cylindrical cavity and are connected to a planetary output gear system which causes them to...
5429085 Timing mechanism for rotary engines  
A rotary internal combustion engine including a housing and two vanes mounted on concentric shafts for independent rotation in one direction within the housing in response to combustion within the...
5400754 Rotary internal combustion engine with paddle and ratchet assembly  
A rotary internal combustion engine, has an engine block defining a drum-shaped combustion chamber. A rotatable propeller shaft extends axially through the chamber. First and second paddle and hub...
5192201 Rotary engine and drive coupling  
A rotary engine includes a pair of rotors each supporting opposed toroidal section pistons rotatably disposed within a crank case defining a toroidal combustion chamber. The piston rotors define...
5083539 Concentric rotary vane machine with elliptical gears controlling vane movement  
In the concentric rotary pressure fluid machine which can either be an engine, motor, pump or compressor, the four identical elliptical gears (54, 54, 100, 100) actuate the relative rotary motions...
5069604 Radial piston rotary device and drive mechanism  
A radial piston rotary device is disclosed having a gear drive mechanism to convert the varying speed of rotating piston shafts into uniform rotational motion of a power shaft. The rotary device...
5024192 Variable compression ratio internal combustion rotating engine  
A variable compression ratio rotating engine comprises a containing cylinder forming variable volume chambers, defined by the cylinder inner wall and piston side walls, the cross-section of which...
Matches 1 - 50 out of 109 1 2 3 >