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| Number | Title | Issue Date |
| 8152504 | Method of operation of a spherical positive displacement rotary machine and devices for carrying out said method A positive displacement rotary machine with a body having an internal spherical working surface divided into bypass and propulsion areas, a rotor with a working rotational surface, a ring working cavity formed by the working surfaces of the body and rotor, and a C-s... | 04/10/2012 |
| 7753664 | Rotary pump Disclosed herein is a rotary pump in which one or more rotors including rotary cylinders and rotary pistons rotate upon inside a housing having a suction hole and a discharge hole to compress a pump fluid. More particularly, the two rotary pistons are arrange to rev... | 07/13/2010 |
| 7670121 | Spherical fluid machines A rotary fluid machine, such as a pump or motor has a housing with a spherical interior in which primary and secondary vanes rotate with the secondary vane reciprocating between open and closed positions with respect to the primary vane. Improvements to this type of... | 03/02/2010 |
| 7563086 | Oscillating piston machine An oscillating piston machine comprises a plurality of pistons which are arranged in a housing, rotate together in the housing about an axis of rotation which is essentially central in the housing and is fixed to the housing, and execute reciprocating oscillating mo... | 07/21/2009 |
| 7435064 | Oscillating piston machine The invention relates to an oscillating piston machine, comprising a housing which has an essentially spherical housing inner wall, four pistons which rotate together about an axis of rotation which is approximately in the center of the housing being arranged in the... | 10/14/2008 |
| 7390181 | Rotating piston machine A rotary piston machine has a driving part which is driven by an electric motor and a driven part which are geared together and engage one another for the delivery of a medium, the driven part being put under load in the direction of the driving part and the driven ... | 06/24/2008 |
| 7318712 | Rotary piston machines comprising a displaceable inner housing In a rotary piston machine with an inner housing and rotors, the axes of the rotors are disposed at an angle to one another in order to equalize manufacturing tolerances and to reduce gap losses of such machines. ... | 01/15/2008 |
| 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 |
| 7275920 | Rotary piston machine A rotary piston machine, with a driving part and a driven part, which are geared together, is proposed, for which these parts 17 and 18 run on a common stationary main axle 8. ... | 10/02/2007 |
| 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 |
| 7214045 | Spherical fluid machine with flow control mechanism A rotary fluid machine, such as a pump or motor, is provided with a fluid flow control mechanism that allows the flow of fluid to be easily and precisely controlled. The device has a housing with a spherical interior in which primary and secondary vanes rotate, with... | 05/08/2007 |
| 7014605 | Pulsatile blood pumping system A blood pumping system to support living organisms based on a spherical multi vane and multi chamber pump with an oscillating motion that delivers pulsatile flow. The blood pumping system includes a number of design elements that address the particular needs and com... | 03/21/2006 |
| 6941900 | VAL rotary engine A rotary engine has a spherical enclosure serving as a combustion chamber, a first baffle inside the combustion chamber slideable along a groove formed in the spherical enclosure, and a second baffle disposed in the combustion chamber which is in sealing engagement ... | 09/13/2005 |
| 6729862 | Rotary piston machine The invention relates to a rotary piston machine, comprising a housing (10) and a piston (12) which is situated in a hollow area of the housing (10) in such a way that it can rotate and which is rotationally fixed to a shaft (18) that pas... | 05/04/2004 |
| 6659749 | Hermetic compressor and open compressor The present invention provides a hermetic or open compressor for hydrocarbon refrigerant having high reliability. According to the present invention, in the compressor using hydrocarbon as refrigerant, synthetic oil such as polyalkylene glycol oil, ester ... | 12/09/2003 |
| 6579081 | Spherical positive-displacement rotary machine The proposed positive-displacement sphere-shaped rotor machine is intended for use as an engine, a pump or a compressor and comprises a casing consisting of two parts 1 and 2, in the spherical cavity of the casing three rotors 4, 5 and 6 being disposed, t... | 06/17/2003 |
| 6442935 | Driving system for machinery, such as a motor, compressor etc. A driving system (13) comprises a housing (10) having spherical hollow space (11), a rotatable main shaft (14), a driving means (16) and a piston construction (15). The piston construction (15) is rockable about a first rocking axis (15a) in a rectilinear... | 09/03/2002 |
| 6325038 | Spherical internal combustion engine A rotary displacement device which can be a spherical internal combustion engine, comprising a housing having a generally spherical cavity therein; a displacement member with generally spherical inner and outer configurations mounted within the cavity in ... | 12/04/2001 |
| 6241493 | Spherical fluid machine with control mechanism A rotary fluid machine, such as a pump or motor, is provided with a fluid flow control mechanism that allows the flow of fluid to be easily and precisely controlled. The device has a housing with a spherical interior in which primary and secondary vanes r... | 06/05/2001 |
| 6145482 | Rotary-reciprocal combustion engines This invention relates to an apparatus for producing a rotary motion force, using an internal combustion engine, rotary-reciprocal type, consisting of a housing, a piston, a rotor, a shaft, a rotary reciprocal guiding system, fuel intake system and an ign... | 11/14/2000 |
| 6135743 | Rotary piston pump This invention may find use in applications such as pumps and other machines, it solves the problem of reduction of hydrodynamic resistance multiply and increases the capacity. The offered mechanim comprises of disc-shaped housing (1) with through hole (2... | 10/24/2000 |
| 6099281 | Variable displacement/load device This design utilizes spherical balls that function as pumping members and also function as bearing loads. The housing includes channels that are used to convert rotary motion to true linear reciprocating motion relative to the center of operation by use o... | 08/08/2000 |
| 6032636 | Disc-type rotary engine A rotary disc having at least two radial concave portions and two radial convex portions on one end is opposed at the concave/convex surface to a concave/convex surface of a non-rotary disc having the concave/convex surface of the same shape, and one of t... | 03/07/2000 |
| 5993182 | Reversible converter of direction of movement and device for displacing volumes using said converter A reversible converter of direction of motion, in which all geometric axes of rotating parts cross each other at one point, comprises: a body; a shaft, rotatably mounted in the body; a guide rigidly connected to the shaft and made in the form of a body of... | 11/30/1999 |
| 5865608 | Air flow system for circular rotary type engines An air flow system for circular rotary engines which provides external air intake for engine cooling and combustion chamber pressurization and faciliates increased fuel efficiency and performance for either air/fuel intake and pressured fuel injection eng... | 02/02/1999 |
| 5836283 | Disc-type rotary engine A rotary disc having at least two radial concave portions and two radial convex portions on one end is opposed at the concave/convex surface to a concave/convex surface of a non-rotary disc having the concave/convex surface of the same shape, and one of t... | 11/17/1998 |
| 5433176 | Rotary-reciprocal combustion engine This invention relates to an apparatus for producing a rotary motion force by means of an external combustion engine, rotary-reciprocal type, consisting of a housing, a sealing mechanism or apparatus, a rotor and a shaft combined with a guiding system for... | 07/18/1995 |
| 5419691 | Rotary engine piston and seal assembly The rotary engine piston and seal assembly is disclosed that improves engine efficiency and power and reduces wear on an inner housing surface. It has a somewhat cube-shaped piston and a pair of grooves running around all four sliding side surfaces. The g... | 05/30/1995 |
| 5404849 | Spherical engine An engine includes an engine block containing a spherical compartment with an equatorial zone removed to create an annular gap, a ring member slidably encircling the annular gap having an outer surface and having an opening to permit the passage of combus... | 04/11/1995 |
| 5351657 | Modular power unit A rotary power device of modular construction is disclosed in which one or more pistons are reciprocably received in a cylinder sleeve, and the sleeve is rotatably supported in a bore within a housing. A cam and follower mechanism acting between the housi... | 10/04/1994 |
| 5301637 | Rotary-reciprocal combustion engines This invention relates to an apparatus for producing a rotary motion force by means of an internal combustion engine, rotary-reciprocal type, consisting of a housing, a rotor and a shaft combined with a rotor's guiding system, fuel intake system and an ig... | 04/12/1994 |
| 5199864 | Spherical fluid pump or motor with spherical ball comprising two parts A fluidic machine operable primarily as a pump or a fluid motor having primary and secondary vaned members hinged together within a spherical pump chamber to define four intake and exhaust spaces of varying volumes. A tracking mechanism which includes an ... | 04/06/1993 |
| 5171142 | Rotary displacement machine with cylindrical pretension on disc-shaped partition A rotary displacement machine has a casing (1) having a spherical interior space accommodating a rotor. The rotor is spherical and is formed by a disc-shaped partition (2) having on either side thereof pivotally vanes (3, 4). The vanes (3, 4) are connecte... | 12/15/1992 |
| 5156115 | Rotary reciprocal combustion engines This invention relates to an apparatus for producing a rotary motion force by means of an internal combustion engine, rotary-reciprocal type, consisting of a housing, a rotor and a shaft combined with a rotor's guiding system, fuel intake system and an ig... | 10/20/1992 |
| 5152257 | Rotary-reciprocal combustion engines This invention relates to an apparatus for producing a rotary motion force by means of an internal combustion engine, rotary-reciprocal type, consisting of a housing, a rotor and a shaft combined with a rotor's guiding system, fuel intake system and an ig... | 10/06/1992 |
| 5147193 | Power conversion machine with pistons rotating in pairs relative to each other in a spherical housing The power conversion machine includes a housing which defines a spherical cavity as well as a stator which is secured within the housing on a first axis. The stator is provided with an annular groove which is disposed on an angle to the axis of the stator... | 09/15/1992 |
| 5127810 | Rotary pump or engine with spherical body There is disclosed a rotary pump or engine or compressor or expander comprising a spherical cavity divided by a pivotable disc into two sections. First and second wedges are pivotally connected at opposed disc surfaces. One wedge may be driven causing the... | 07/07/1992 |
| 5036809 | Circular rotary engine A circular rotary engine comprises a housing having spaced concentric cylindrical walls defining an annulus therebetween with intake and exhaust ports through the sides of the walls and a cylindrical rotary piston ring having multiple symmetrically undula... | 08/06/1991 |
| 4854837 | Rotary actuated pump or motor A rotary pump or motor is disclosed which includes a housing which defines a substantially cylindrical cavity having a central axis. A pair of stators are secured at each end of the cylindrical cavity and each stator has a cam surface defined by at least ... | 08/08/1989 |
