Abstract: A spherical puffing pump for an ice cream machine and an air inlet device thereof. The spherical puffing pump includes a spherical pump body, a clamping plate and an air inlet valve. A liquid feeding hole of the spherical pump body is connected to a milk slurry tank to feed milk slurry. The air inlet valve is connected to a channel of the liquid feeding hole to introduce air. A liquid discharging hole is connected to a liquid inlet of a refrigerating cylinder. A pump seat is fixed on the ice cream machine. An end portion of the pump seat protrudes from an inner wall of the tank. A cylinder of the spherical pump body is connected to the end portion through the clamping plate. A main shaft of the spherical pump body is connected to a motor shaft through a connecting shaft for power transmission.

Abstract: Provided are a fluid circulation system and a method for operating same, a computer-readable medium, and a controller. The fluid circulation system comprises: a scroll expander, and an external fluid circulation path, which comprises a high-pressure fluid pipe and a low-pressure fluid pipe. The operation method comprises the following steps: before fluid is supplied to the scroll expander, making the fluid pressure in the high-pressure fluid pipe higher than the fluid pressure in the low-pressure fluid pipe by a pre-determined pressure difference; and after the pre-determined pressure difference is realized, starting the scroll expander and supplying fluid to the scroll expander. According to the present disclosure, the technical problem of a scroll expander being unable to be normally started and work can be avoided, and the invention is simple, practical, convenient, and easily implemented.

Abstract: An apparatus including a first piston member rotatable about a first rotational axis and a rotor with a first chamber and pivotable about a second rotational axis. The first piston member extends across the first chamber. The rotor and first piston member are rotatable around the first rotational axis, and the rotor is pivotable about the second rotational axis to permit a relative pivoting motion between the rotor and the first piston member linked to the rotor rotating about the first rotational axis.

Abstract: A roticulating thermodynamic apparatus (100) having a first fluid flow section (111) and a second fluid flow section (115). The first fluid flow section (111) is configured for the passage of fluid between a first port (114a) and second port (114b) via a first chamber (134a). The second fluid flow section (115) is configured for the passage of fluid between a third port (116a) and a fourth port (116b) via a second chamber (134, 234b). The second port (114b) is in fluid communication with the third port (116a) via a first heat exchanger (302a).

Abstract: An apparatus comprising: a shaft (18) rotatable about a first rotational axis (30); an axle (20) defining a second rotational axis (32); a first piston member (22) extending from the axle (20) towards a distal end of the shaft (18); a rotor (16) carried on the axle (20); the rotor (16) comprising a first chamber (34a); a housing (12) having a wall defining a cavity (26); a first magnetic guide feature (52); a second magnetic guide feature (50); whereby: the rotor (16) and axle (20) are rotatable with the shaft (18) around the first rotational axis (30); the rotor (16) is pivotable about the axle (20) to permit relative pivoting motion between the rotor (16) and the first piston member (22) as the rotor rotates about the first rotational axis (30); and at least one of the first magnetic guide feature (52) and second magnetic guide feature (50) comprises an electromagnet to pivot the rotor (16) about the axle (20) relative to the first piston member (22).

Abstract: Disclosed is an automatic compensation mechanism for a hinge seal gap in a spherical compressor. A cylindrical hinge formed around a central pin (1), a rotating disk pin seat (81), and a piston pin seat (16) of the spherical compressor. A fan-shaped insert (14) thicker at both sides and thinner in the center thereof is disposed at the bottom of a sump (161) on the pin seat of the cylindrical hinge. The shape of the insert (14) marches the shapes of the sump (161) and of the external cylindrical surface of a semi-cylinder (811) on the pin seat of the cylindrical hinge respectively, forming a dynamic seal fit, thus improving the reliability of the seal, adapting to mass production, and enhancing overall performance.

Abstract: A rotary thermal engine for generating mechanical energy. The rotary thermal engine includes an engine block having an enclosed interior space, a first rotor and a second rotor, a first disc coupled to the first and second rotor. A second disc is positioned between the first and second rotor, wherein the second disc pivots relative to the first disc. In addition, wherein the first and second rotors and first and second discs are at least partially enclosed within the interior space of the engine block.

Abstract: A rotary thermal engine for generating mechanical energy. The rotary thermal engine includes an engine block having an enclosed interior space, a first rotor and a second rotor, a first disc coupled to the first and second rotor. A second disc is positioned between the first and second rotor, wherein the second disc pivots relative to the first disc. In addition, wherein the first and second rotors and first and second discs are at least partially enclosed within the interior space of the engine block.

Abstract: A rotary volumetric machine having a stationary structure; a rotor, which can turn with respect to the stationary structure about a principal axis of rotation; a work chamber formed within said rotor; a disk, which is housed in said work chamber and can turn with respect to the stationary structure about a secondary axis of rotation fixed with respect to said stationary structure, the secondary axis of rotation being inclined with respect to said principal axis of rotation, said disk having a radial through groove; a diaphragm, which is fixed with respect to said rotor, extends in said work chamber, and engages said radial groove of said disk; and an inlet opening and an outlet opening for a working fluid, which are formed in said rotor, communicate with said work chamber, and are located on opposite sides of said diaphragm.

Abstract: A rotary machine for compression and decompression, comprising a disc-shaped rotor having a first rotation axis at right angles to the plane of the rotor and situated in a plane of orientation and a disc-shaped swing element having a second rotation axis. In the orientation plane, the second rotation axis makes an angle with the first rotation axis. Furthermore, a spherical housing is present surrounding the rotor and the swing element and in combination forming four (de-)compression chambers. A connecting body positions the rotor and the swing element in the housing. The rotary machine furthermore comprises a power drive and a mechanical connection delivering power to or taking off power from the rotary machine. In addition, the rotary machine is suitable for the seamless integration of generator components for generating or using electricity.

Abstract: A displacement pump with a pot-shaped housing, a rotor which is swivel-mounted about a rotation axis inside the housing, and two blades which are guided in a movable manner insider the rotor, wherein the pot-shaped housing includes an inner peripheral wall which has a sealing portion for tightly adjoining the rotor and a chamber portion for tightly adjoining the blade tips, as well as for dividing the internal space of the housing into chambers. The rotor has two blade receptacles for receiving and guiding the blades, wherein each internal radially extending blade tip restricts a pressure chamber in the respective blade receptacle. Both pressure chambers are fluid-connected to one another via a connection element, wherein the total volume of both pressure chambers and the connection element remains at the same level during a rotation of the rotor, at least while the blade tips are attached to the chamber portion.

Abstract: In a “cat and mouse” rotary engine two rotor-pistons are connected by concentric crosses to two inclined power shafts, improving the balance of the engine, ridding the bearings of the rotor-pistons from heavy idle loads, allowing lighter and more robust structure and making the arrangement proper for divided load applications like portable flyers, REM etc.

Abstract: A hinged joint is formed on a volumetric rotary machine with a spherical working cavity formed between a spherical rotor part and the spherical surface of the body, between a piston, which is mounted in such a way as to enable rotary oscillations relative to the rotor in the plane passing along the axis of rotation of the rotor, and a rotor, which is mounted in such a way as to enable rotation about the spherical rotor part. This solution has made it possible to increase the reliability, service life and thermal stability of machines of this type. In addition, helical channels for communication between symmetrical working chambers and channels within the rotor for connecting the working chambers to the working-medium inlet and outlet openings are formed inside the spherical rotor part. This solution has made it possible to increase the specific power of the machine.

Abstract: Disclosed herein is an oscillating vane type pump actuator. The pump actuator of the present invention provides a method of preventing fretting corrosion from being caused on joined surfaces of elements. A cylinder (3c) has a comparatively low radial strength, and each of side covers (1c) and (2c) has a high radial strength. A cylindrical portion (1c-c), (2c-c) is provided on each side cover. Thus, when high pressure of work oil distorts the cylinder into a shape in which the cross-section of the cylinder becomes an ellipse-like shape, the cylindrical portions of the side covers act such that they are distorted in the same shape as that of the cylinder. Further, a passage that always communicates with a low-pressure side working chamber is formed in the contact surfaces between a fixed vane that is fixed to the cylinder and the side covers.

Abstract: A media delivery assembly in which a defined compensating pressure is established at the backs of included axially adjustable rotors and a control valve is provided for establishing the compensating pressure at a predetermined value between a pressure on the pressure side and a pressure on the suction side.

Abstract: A pump or motor for fluid or gaseous media comprising a shaft (4), which faces a working part (13) and has a common inclined sliding surface (14) with the same, whereby the working part (13) limiting the pump working spaces (12) wobbles in a positionally fixed housing (10).

Abstract: A positive displacement internal combustion engine with the strongest mechanism for converting thermal energy of combustion gases to rotational motion, being composed of a body with spherical combustion chamber, and three spatial eccentrics being placed in said spherical chamber. The mechanism is particularly suitable for heavily loaded detonation and homogeneous charge compression ignition engines.

Abstract: The subject of the invention is a variable-volume rotary device with a housing (1) comprising an inner spherical cavity, inlet and exhaust ports and a bypass flow path. Within the housing (1) a rotary displacement member with spherical outer configurations capable of revolving around the center point of the spherical inner surface of the housing is mounted. Said rotary displacement member is equipped with a centrally disposed, disc-shaped partition (6) that forms a mutually isolated division in the spherical inner cavity of the housing (1) and has two pivot vanes (7, 8), splitting the housing cavity further into four isolated quadrants, the volume of which vary during gyration. Vanes (7, 8) are similar in shape to orange segments. Vanes (7, 8) are connected to opposing sides of and along the diameters of the central disc (6), and extend in mutually perpendicular planes, allowing for rotary movement.

Abstract: A controllable hydraulic oscillating slide machine includes an inner rotor arranged in a housing and having cylindrical recesses. A bearing is formed in the housing, in which a co-rotating outer rotor is mounted eccentrically to the inner rotor, the outer rotor having several pivotably suspended slide drivers that engage into the recesses of the inner rotor for rotationally driving the outer rotor by way of the inner rotor and form modifiable chambers. The slide drivers may each be coupled to a piston that is guided in a respective associated recess. A pressure level different from that in the chambers between the inner and the outer rotor may be set in the chambers delimited by the recesses and the associated pistons so that two different pressure levels may be generated and two different consumers can be supplied using the oscillating slide machine.

Abstract: Disclosed is a positive displacement expander equipped with an expansion mechanism in which power is generated using fluid energy produced while a high-pressure fluid, supplied to a plurality of expansion chambers partitioned by an orbiting scroll or a rolling piston, is being expanded and decompressed. The expander includes a communicating pipe that allows each of the expansion chambers to communicate with an expander discharge side and an opening and closing device disposed on the communicating pipe. When supply of the high-pressure fluid is stopped, the opening and closing device is opened by the time when high and low pressures between each of the expansion chambers and the expander discharge side are equalized, thus stopping the orbiting scroll or the rolling piston at a predetermined position so that an expander obtains sufficient driving force when resuming.

Abstract: The fluid system is intended for an oscillating-piston engine (100) which has at least two double-armed oscillating pistons (4) arranged in a spherical housing (19) and revolving together about an axis (23) of revolution arranged in the housing center, wherein the oscillating pistons, when revolving, mutually perform reciprocating oscillating movements about an oscillation axis (24) perpendicular to the axis (23) of revolution, and guide members (5) attached to at least two pistons (4) engage in at least one guide groove (17) formed in the housing (19) and serving to control the oscillating movements. The fluid system (70) comprises at least one central feed opening (1), lying in the vicinity of an end of the axis (23) of revolution, for a fluid, continuous cavities and/or bores (10) in the pistons (4) for the fluid, and a fluid discharge on the outer side (3) of the respective piston.

Abstract: A gyroscopic rotary engine includes a rotary disc used as a cylinder block; a cylinder head on which medium inlets and medium outlets are arranged in a spaced relation; wherein at least two arched cylinders are disposed on the rotary disc in an equally spaced-apart relation; a gyroscopic unit disposed obliquely on the rotary disc relative to an axis of the rotary disc, the gyroscopic unit comprising a rotation shaft and pistons positioned symmetrically about the rotation shaft and having the number corresponding to the number of the arched cylinders, the pistons being disposed in the respective arched cylinders and firmly secured to the rotation shaft by respective connecting rods; and the rotary disc rotatably engaged with the cylinder head.

Abstract: A sealing system for oscillating-piston engines that include two oscillating pistons that revolve together in a spherical housing. The pistons perform reciprocating oscillating movements in opposite directions about an oscillation axis perpendicular to the axis of revolution for the pistons. Guide members are provided on the pistons and engage at least one guide groove formed in the housing. Sealing elements are disposed on or in the vicinity of all moving edges surrounding working chambers and prechambers for the engine. The sealing elements seal all the gap regions present between machine parts displaced relative to one another by revolving and/or oscillating movements and not in direct contact. Sealing elements prevent excessive penetration of lubricating fluid into inlet and outlet openings in the housing.

Abstract: A positive displacement rotary machine with a body having an internal spherical cavity, a rotor, and a ring working cavity formed by the body and the rotor. The working cavity is functionally divided into bypass and propulsion halves. A separator embodied in the form of a wobble plate is mounted in the working cavity at an angle to the rotor. A piston with a sealable through-slot for the separator passage is mounted in a slot made in the rotor. Multiple openings made through the separator in the propulsion half of the cavity make the separator transparent for the working medium flow. The openings are small enough so the separator seals the through-slot of the piston. The configuration allows for one input port and one output port on the opposite sides of the separator in the bypass half to make the supply steady.

Abstract: A pump is disclosed, having a pumping chamber in the rotor. The rotor is rotatable between first, second, third and fourth positions. When the rotor is in the first position, an inlet cam assembly displaces a piston to draw fluid into the pumping chamber via a first housing inlet. When the rotor is in the second position, an outlet cam assembly displaces the piston to expel fluid out of the pumping chamber via a first housing outlet. When the rotor is in the third position, the inlet cam lobe assembly displaces the piston to draw fluid into the pumping chamber via a second housing inlet. When the rotor is in the fourth position, the outlet cam assembly displaces the piston to expel fluid out of the pumping chamber via a second housing outlet. A method of pumping fluid is also disclosed.

Abstract: A system for enabling fluid flow is provided which includes a plurality of frusto-conical elements and central and outer spherical shells which enclose the frusto-conical elements. The elements are constrained between the central and outer spherical shells, and an input and an output allow fluid flow into and out of the system. The geometry of the frusto-conical elements and their alignment within the system allows the formation of chambers between adjacent elements and their central and outer shells. The elements are free to roll about one another within the system in a synchronized manner. This synchronized rolling is results in a cyclical change in volume of those chambers.

Abstract: 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-shaped separator mounted in part of the cavity at an angle to a plane of the rotor rotation. The cavity is partitioned by the separator at the bypass area, and the working medium openings are located from opposite sides of the separator. The working surface of the rotor has at least one slot. In each slot is mounted a piston capable of sealing the working cavity, and performing rotational oscillations in a slot plane. The piston is at least in the form of a part of a disk and has at least one through-cutout for the separator passage, and can seal the through-cutout at the propulsion area.

Abstract: The invention relates to a conversion mechanism for an internal combustion (11) engine. The conversion mechanism is operable to convert pivotally reciprocating motion of an output member (30) about a prime pivot axis (30.1) into rotational motion of an output shaft (40) about a rotational output axis (40.1). The conversion mechanism includes a cam housing (74) which is fast with the output member (30) for movement about the prime pivot axis (30.1) and which is pivotally displaceable relative to the output member (30) about a cam axis (74.1) which is transverse to the prime pivot axis (30.1), the cam axis (74.1) being movable with the output member (30) about the prime pivot axis (30.1), the cam housing (74) defining at least one cam member (86); and a cam follower (80) on the output shaft (40), the cam follower (80) having a wobble axis (80.1) which is titled or inclined relative to the rotational output axis (40.1).

Abstract: 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 revolve about a rotating shaft in a state wherein the center of mass of the two rotary pistons coincide with that of the rotating shaft, thereby achieving not only a reduction in the generation of vibrations or noise, but also a variation in the flow of rate of fluid. The rotary pump may have a cover, which is opened or closed in accordance with a pressure, to prevent the generation of backflow and pulsations in accordance with the rotation of the rotary pump when the pressure of the discharge hole differs from that of the suction hole.

Abstract: A shower device includes: a driving unit including a housing and a core allowed to reciprocate by water which is introduced into the housing; a shower part allowed to swing; a water guide channel introducing water which is introduced into the housing to the shower part; and a power transmission part transmitting a motion of the core to the shower part. The shower part sprinkles water while swinging when water is introduced into the housing.

Abstract: This invention relates to a twin-plate, rotary compressor and refers particularly, though not exclusively, to a twin-plate, rotary compressor comprising two conical plates for relative rolling motion within a casing, there being a line contact between the two conical plates; the line contact being maintainable during operation of the compressor; a central seal for sealingly engaging correspondingly-shaped recesses of the two conical plates; and an outer seal in mating relationship with the two conical plates; wherein the central seal is mounted on a drive shaft, the drive shaft being operatively connected to an output shaft of a motor; wherein the drive shaft, the central seal and the outer seal are for rotation about a third axis of rotation, the third axis of rotation being coincident with a longitudinal axis of the drive shaft and a center of the central seal.

Abstract: A rotary piston machine includes a driving part driven by an electric motor, and a driven part that have mutually engaging end-face denticulation for delivering a medium, the driving part and the driven part being housed in a machine housing and connected to the machine housing via respective bottom bearings of the driving/driven parts, creating a unit.

Abstract: 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 fluid machine are defined to improve the rigidity of the internals while removing heat generated by compression as well as providing facile conversion of the machine from a liquid pump to a gas compressor, to provide for multiple flow streams at multiple flow rates in a single machine, multiple flow streams at multiple compression ratios in a single machine, and dual simultaneous function as a motor and a compressor.

Abstract: The invention relates to rotary machines provided with nonparallel axes of a rotor and pistons. The inventive positive-displacement rotary machine comprises a body, the working surface of which is embodied in the form of a part of a segment of sphere, a rotor which is provided with a working surface of revolution and which is arranged in the body in such a way that it is rotatable, a ring-shaped concentric working cavity formed by the body and the rotor, a separator which is embodied in the form of a wobble plate, is fixedly arranged in the body and divides the working cavity into two parts. The working surface of the rotor is provided with at least one slot which is embodied along the geometrical axis of rotation thereof and in which a piston in the form of a part of disk is placed in such a way that it is enabled to perform rotational oscillations in the plane thereof. Each piston is provided with a sealable through-slot for the separator passage.

Abstract: 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 movements about a respective oscillation axis as they rotate in the housing, in each case two adjacent pistons executing oscillating movements in opposite directions. The housing is of spherical construction on the inside, the oscillation axes of the pistons being formed by a common oscillation axis which run essentially through the center of the housing.

Abstract: Methods and apparatuses are disclosed that create variable volume chambers. A method includes synchronizing rotation of a plurality of geometrical elements to create a first chamber with the plurality of the geometrical elements and a housing. A continuous portion of the first chamber, defined by the plurality of geometrical elements, permits a volume of the first chamber to be varied. An apparatus includes a first chamber disposed between a plurality of geometrical elements and a housing. The plurality of geometrical elements are configured for synchronized rotation within the housing and a continuous portion of the first chamber, defined by the plurality geometrical elements, permits a volume of the first chamber to be varied. A plurality of chambers can be formed with a plurality of geometrical elements configured for synchronized rotation within a housing.

Abstract: A pump is disclosed, having a pumping chamber in the rotor. The rotor is rotatable between first, second, third and fourth positions. When the rotor is in the first position, an inlet cam assembly displaces a piston to draw fluid into the pumping chamber via a first housing inlet. When the rotor is in the second position, an outlet cam assembly displaces the piston to expel fluid out of the pumping chamber via a first housing outlet. When the rotor is in the third position, the inlet cam lobe assembly displaces the piston to draw fluid into the pumping chamber via a second housing inlet. When the rotor is in the fourth position, the outlet cam assembly displaces the piston to expel fluid out of the pumping chamber via a second housing outlet. A method of pumping fluid is also disclosed.

Abstract: The invention relates to an oscillating piston engine comprising a housing that contains a first and at least a second piston, both of which can rotate about a fixed rotational axis in the housing and which when rotating about said axis execute counter-rotating displacements back and forth about a pivoting axis that runs perpendicular to the rotational axis through the centre of the housing. A working chamber is situated between opposing end faces of the first and at least second piston. The housing is provided with at least one gas exchange opening for admitting or discharging a gas into or from the working chamber. The pistons are arranged in such a way that the rotational axis runs through the working chamber. The pistons are mounted to slide in a piston cage, which is located in the housing, is concentric with the rotational axis, and rotates together with the pistons about said axis. The gas exchange opening is arranged eccentrically in relation to the rotational axis, on one end face of the housing.

Abstract: 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 are interconnected in a fixed manner, lie diametrically opposite the center of the housing and execute pivoting displacements back and forth in opposite directions about a pivoting axis running perpendicular to the rotational axis, during their rotation. To control the pivoting displacements, the engine is provided with loose spherical or ellipsoidal rotational bodies, which are rotatably mounted in the sliding surfaces of the pistons in respective guide sockets that are hemispherical or ellipsoidal and which engage in at least one guide groove that is configured in the housing. The groove has an essentially hemispherical or ellipsoidal profile.

Abstract: A new type of device, useful as a fan among other applications, in which fluid flow is induced by providing within the device a chamber of constantly increasing volume and a chamber of constantly decreasing volume. Fluid moves through these chambers impelled by the rotation of a pair of members linked together for rotation about skewed axes. The members move within a chamber having a spherical surface, into which open ports for inward and outward fluid flow. The device may be used to assist in cooling components of an electronic system such as a computer system.

Abstract: 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 housing in which case, of the four pistons in each case two pistons which are approximately diametrically opposite one another with respect to the center of the housing form a rigid piston pair the two piston pairs being capable of pivoting to and fro in opposite directions about a common pivot axis (42) which runs approximately perpendicularly with respect to the axis (40) of rotation, the two piston pairs being arranged in criss-cross fashion with respect to the pivot axis (42) in such a way that in each case two pistons of the two piston pairs have their piston working faces opposite one another in order to form a working chamber between them, each piston pair having a bearing section for mounting the piston pair on the pivot axis and in each c

Abstract: A rotary piston machine includes a driving part driven by an electric motor, and a driven part that have mutually engaging end-face denticulation for delivering a medium, the driving part and the driven part being housed in a machine housing and connected to the machine housing via respective bottom bearings of the driving/driven parts, creating a unit.

Abstract: 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 part being disposed on a bearing bushing at an appropriate angle to the driven part.

Abstract: 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.

Abstract: 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.

Abstract: 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 are the Rotator (2), two consecutive of some number of free-planetary gears (3A-E), and the lobed Nutating Member (1). The latter is enjoined to execute precessional rotation relative to the former and maybe both affixed with counterweights (11A,B; 12A,B) and subjected to reverse-English transforming the precessional rotation to a stress-free mode in both the Newtonian and Eulerian sense. The insertion of optional butterfly-shaped plugs (4A-E, 5A-E, 8A-E) boosts the compression ratio. Truly, no past engine possesses the characteristics of the instant invention.

Abstract: 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 about the axis of rotation, execute oppositely directed reciprocating pivoting movements about a pivot axis running perpendicular to the axis of rotation and through the centre of the housing, the first piston having a first end face, and the at least second piston having a second end face facing the first end face, the end faces delimiting a working chamber, characterized in that the pistons are arranged in such a way that the axis of rotation runs through the working chamber.

Abstract: 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 the secondary vane reciprocating between open and closed positions. The primary and secondary vanes define fluid chambers within the housing that communicate with inlet and outlet ports of the device. An adjustable fixed shaft, about which the secondary vane rotates, allows the degree of communication to be varied between the inlet and outlet ports and the chambers formed by the primary and secondary vanes. In this way, the flow rate or fluid capacity of the device, and even the direction of fluid flow, can be changed.

Abstract: 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 with the internal spherical surface of the combustion chamber. The second baffle is carried by a rotatable shaft, the shaft extending into the spherical combustion chamber. The first baffle rests against the second baffle, and separates the interior of the combustion chamber into a first part and a second part. A first valve in a first opening is disposed to communicate with the first part of the combustion chamber, and a second valve in a second opening is disposed to communicate with the second part of the combustion chamber.

Abstract: 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 passes through the housing (10). At least one inlet channel and at least one outlet channel for guiding a working fluid in or out of the hollow area are configured in the housing (10). According to the invention, the hollow area has a section which is configured in the form of a cylindrical ring cavity that is coaxial to the shaft (18). The piston (12), as a ring piston, is configured in the form of a cylindrical tubular section which engages in the ring cavity of the housing (10) and is axially displaceably guided in said ring cavity. The end surfaces (20,26) of the ring cavity and the ring piston (12) facing away towards each other are configured as constant wavy surfaces with an axially parallel amplitude.