Abstract: An apparatus for driving fluid includes a housing having an interior chamber in communication with a fluid inlet for receiving the fluid and a fluid outlet for expelling the fluid, a cam rotatably mounted within the interior chamber, the cam configured to drive fluid to flow, the cam having an annular channel formed therein, a working vane extending into the annular channel for sliding therein as the cam rotates, wherein the working vane divides the annular channel into an inlet chamber and an outlet chamber such that, as the cam rotates, the inlet chamber expands and the outlet chamber contracts, a follower vane extending into the annular channel for sliding therein as the cam rotates, wherein the follower vane allows fluid to pass in the annular channel, and a rocker arm for providing dependent motion between the working vane and the follower vane.

Abstract: A vane compressor has a plurality of vanes that are radially translatable and have outer ends. The vanes create zones between each pair of adjacent vanes, each zone having a given area. The vane compressor also has an axis about which the vanes rotate and an outlet for expelling compressed fluid. A first zone immediately following a second zone, which is in register with the outlet, has the same area as the second zone.

Abstract: A controlled-clearance sealing compressor device that provides precision rotor centering directly with respect to the stator housing, vane centering with respect to rotor (not the stator) and the dynamic balance design of the gliders required for practical single and dual vane devices. The devices uses roller bearings to control the radial position of the vane and control rods or pins are used to control axial positioning of the vane, its ‘centralization’ with respect to the rotor and the endplates. The positive displacement rotary vane compressors and vacuum pumps have friction reduction, efficiency enhancement and exceedingly long operating life as a result of the non-contact gas sealing of the process gas within the rotary vane compressors and vacuum pumps. In an embodiment the positive displacement compressing device is used in transportation vehicles.

Abstract: The invention can be used as a high pressure rotor vane pump or hydro motor. Rotor vane machine comprises a rotor including working and supporting parts connected via force chambers of variable length so that they rotate synchronously with a possibility of little reciprocal axial movements and tilts required to provide sliding insulating contact of face surfaces of the working and supporting pans of the rotor with the surfaces of the working and supporting cover plates of the housing correspondingly. Between the supporting cover plate of the housing and supporting part of the rotor there are made supporting cavities hydraulically connected via the means of local pressures balancing to the force chambers of variable length and cavities of the working chamber in the annular groove of the working part of the rotor. The losses on friction and cavitation decrease and the reliability increases.

Abstract: A positive displacement pump having a centrally disposed rotor within a housing, the rotor having inwardly and outwardly moving vanes for movement of fluid through the pump. Races in end walls of the housing partly or entirely control movement of the vanes. A dam is movably positioned at the housing's fluid discharge port, the dam having upper and lower ends, the lower end of the dam extending into the housing and being positioned so as to be close to or in sliding contact with the surface of the rotor. This pump construction is extremely versatile in its construction and applications.

Abstract: The present invention may be used in pumps and hydraulic engines and increases the functional capacities of rotary machines. This invention relates to a rotary machine comprising a body in which an adjustment member is mounted so as to be capable of displacement along the rotation axis. A plurality of systems, that define the axial and mutual disposition of sliders, are mounted so as to be capable of changing their position relative to the rotor and the body, and are cinematically connected to the adjustment member. The sliders are mounted so as to be capable of changing their position upon displacement of the adjustment member.

Abstract: An axial-vane rotary device with a rotor assembly having a rotor core and a plurality of removable end blocks attached to the core, end blocks having recesses to encapsulate a vane restraint mechanism, and a removable end wall on one or more of the end blocks.

Abstract: A vane actuation mechanism for an axial vane rotary device includes a cylindrical outer housing that defines an internal cylindrical chamber. A rotor assembly having a drive shaft is rotatably mounted within the internal cylindrical chamber. A cylindrical guide slot is held in proper rotational position within the internal cylindrical chamber. A plurality of modified vanes are disposed on the rotor core. The modified vane has a recess in the top of the vane. A shear block having a general "T" shape is disposed in the recess of the vane and is secured to the vane. Part of the shear block is disposed within the guide slot to act as a guide member. The guide slot can be formed from a single cylindrical member. The single cylindrical member is cut to form two cylindrical guide slot members. The edges of the cylindrical guide slot members form the guide slot. The guide slot urges the shear block as the vanes rotate.

Abstract: A side pressure type rotary engine of a simple construction is formed by a cylinder having a suction port and an exhaust port in predetermined portions thereof, a main shaft passed through the cylinder, a rotor provided at both sides of flat surface portions thereof with a pair of working chamber-forming recesses and adapted to be rotated unitarily with the main shaft, a fixed blocking element, an active block, a suction and exhaust blocking element and an expansion blocking element which are movable in the axial direction of the main shaft, and a cylindrical cam and rocker arms which constitute a driving mechanism for moving the active block, suction and exhaust blocking element and expansion blocking element. The rotor is rotated to move the active block, suction and exhaust blocking element and expansion blocking element at predetermined timings and strokes, whereby suction, compression, expansion and exhaust strokes are carried out.

Abstract: An axial vane rotary device (14) includes a stator (16) with a cylindrical internal chamber (34) defined an annular outer wall (40) and two side walls (36, 38) of the stator. Each side wall has an annular cam surface (42, 44). A rotor (54) is rotatably mounted within the chamber. The rotor has an annular outer wall (66) and a plurality of angularly spaced-apart, axially extending slots (64) extending therethrough. A vane (68) is slidably received in each slot. The vanes reciprocate axially and alternatively expand and compress spaces between adjacent vanes and the cam surfaces as the rotor rotates. The cam surfaces have alternating first portions (92) and second portions (90). The second portions are further from the rotor than the second portions. The first portions of one said cam surface are aligned with second portions of another said cam surface. The slots extend radially outwards on the rotor to the annular outer wall thereof.

Abstract: An axial vane rotary device (14) includes a stator (16) with a cylindrical internal chamber (34) defined an annular outer wall (40) and two side walls (36, 38) of the stator. Each side wall has an annular cam surface (42, 44). A rotor (54) is rotatably mounted within the chamber. The rotor has an annular outer wall (66) and a plurality of angularly spaced-apart, axially extending slots (64) extending therethrough. A vane (68) is slidably received in each slot. The vanes reciprocate axially and alternatively expand and compress spaces between adjacent vanes and the cam sur-faces as the rotor rotates. The cam surfaces have alternating first portions (92) and second portions (90). The second portions are further from the rotor than the second portions. The first portions of one said cam surface are aligned with second portions of another said cam surface. The slots extend radially outwards on the rotor to the annular outer wall thereof.

Abstract: A rotary engine includes a stationary engine block and a power shaft mounted along a central axis for rotation with the engine block. An annular working chamber is formed in the engine about the central axis. A working member is connected to the power shaft to travel in a circular path about the central axis through the annular working chamber. The engine block has an elongated passage which extends through or across the annular working chamber in a direction perpendicular to the travel of the working member. An elongated bar is received within the elongated passage for slidable movement therethrough between first and second positions. The elongated bar includes a slot which is aligned with the annular working chamber when the elongated bar is in its first position to allow passage of the working member therethrough. The elongated bar forms a wall across the annular working chamber when the working member is in its second position to divide the annular working chamber into expansion and exhaust chambers.

Abstract: The device comprises means suitable for operating in rotation a lower annular portion of a hopper provided with a delivery unit suitable for allowing the progressive delivery of meat in a rotary pump for packing ground meat. The transmission means comprise a ring constituting the lower annular portion of the hopper and made in a single piece with a gear, arranged round a fixed bush, suitable for receiving the rotary motion from a pinion located at the upper extremity of the pump's driving shaft.

Abstract: The pump has a pumping chamber defined by a stator and by a rotor with a driving shaft. A hopper with a feeder unit is positioned above the pumping chamber and is connected with it. The feeder unit receives its motion from the upper end of the driving shaft through means for the transmission of motion positioned above the pump.

Abstract: The pump includes a stator and a rotor which describe an upper annular chamber having a filling mouth and a delivery mouth and a lower annular chamber in which is housed an annular cam to drive the pump blades housed in a vertically sliding manner in respective radial passages of the rotor. Into the lower chamber essentially in a position diametrically opposed to the filling mouth there opens an exhaust mouth which communicates with the upper chamber through an ample passage and with the zone of the lower chamber underlying the filling mouth through a narrow passage.

Abstract: The invention is fluid pump which in addition to displacing fluid can be a fluid driven motor and when the fluid is compressible a compressor or expanding fluid driven motor. The pump has an annular cavity formed between its rotor and casing and around the rotor rotational axis. There is a power transfer means such as a shaft which drives the rotor in rotation when the pump is used to displace or also to compress a fluid. When the pump is used also as a motor the fluid being displaced is also the power transfer means and the rotor shaft is used for mechanical power take-off. The rotor surface at the annular cavity, the wave surface, has at least one undulation and each wave surface undulation forms with the other cavity surfaces a cavity undulation. A casing surface at the annular cavity, the face surface, has a plurality of circumferential spaced axial plane slots each with a partition pivotally extending into the annular cavity but not abutting the annular cavity walls.

Abstract: The invention is an internal combustion engine for two or four cycle mechanical power generation. The engine has an annular cavity formed between its rotor and casing and around the rotor rotational axis. The rotor surface at the annular cavity has undulation(s) and the casing surface at the annular cavity has a plurality of circumferentially spaced axial plane slots each with a partition pivotally extending into the annular cavity but not abutting the annular cavity walls and in the combustion region therein and when there is a compression region to very close proximity of the cavity walls. The partitions in the annular cavity form a plurality of circumferential spaced volume varying chambers which cyclically vary in volume with rotor rotation. The partitions are displaced in their slots by a rotor cam means outside the annular cavity with undulations allowing the continued extension of the partitions to the rotor undulant surface in the annular cavity without abutting it.

Abstract: The invention relates to a rotary electrohydraulic device of the volumetrical pump type having stator and rotor as well as vanes axially slidable in said rotor. According to the invention, the intermediary space between the rotor and the stator has an axial longitudinal circulary variable interval partly defined by a continuous stator bottom surface of a constant width, said slidable vanes coming to bear constantly and totally on said continuous bottom surface, which is single for a considered set of said vanes. The device according to the invention is mainly applicable as a brake or slackening means but can also work as a motor and a pump.

Abstract: A rotary pump or motor has a rotor with no relatively movable parts and has the valving incorporated in the housing with the valving actuated by cams on the rotor. The air or gas flow through the pump or motor is by way of passages in the rotor on opposite sides of a piston on the rotor, this piston fitting in an annular groove in the housing.This type of pump or motor device is utilized in a hot gas engine in which two or more devices functioning as pumps in series supply compressed air to a burner and two or more similar devices functioning as motors receive hot gas under pressure from the burner to be driven by this gas and in turn driving the pumps for operation as a hot gas engine. The rotors of all the pumps and motors are incorporated in a single rotor with a burner construction also in the rotor between the pump rotor elements and the motor rotor elements.