Abstract:
A rotary actuator (2900) includes a housing, a rotor assembly rotatably journaled in said housing and including a rotary output shaft (2912), a central actuation assembly (2960) including a central mounting point formed in an external surface of the rotary output shaft, said central mounting point proximal to the longitudinal midpoint of the rotary output shaft, a mounting assembly (2980) adapted for attachment to an external mounting connector of a mounting surface of an aircraft structural member, and an actuation arm removably attached at a proximal end to the central mounting point, said actuation arm adapted at a distal end for attachment to an external mounting feature of an aircraft assembly to be actuated.
Abstract:
A valve is proposed for controlling a hydropneumatic device for pressure transmission with a working plunger and a transmitter plunger for pressure transmission, wherein the transmitter plunger is designed to move the working plunger hydraulically on account of a pneumatic actuation with a comparatively high transmission ratio, wherein the valve has a differential plunger arrangement with a first plunger with a first active plunger surface in a first pressure chamber and a second plunger with a second active piston surface in a second pressure chamber, wherein the first plunger is coupled to the second plunger, wherein the first pressure chamber is provided with a first connection for, for example, a pneumatic return-stroke chamber of the working plunger and the second pressure chamber is provided with a second connection for a pneumatic pressure source which differs from the return-stroke chamber, and wherein, in the case of a predefined pressure difference, the valve switches during a working stroke of the working plunger and loads the transmitter plunger with a transmitter pressure. According to the invention, a third plunger with a third active plunger surface is provided, which third plunger is coupled to the second plunger and has a third pressure chamber which can be loaded with a pneumatic pressure source via a third connection, wherein the valve is such that, in the case of a predefined pressure difference between the first and third pressure chambers, the valve switches and supplies any connected transmitter plunger with pressure from the second pressure chamber.
Abstract:
The invention relates to a device for storing and delivering fluids, said fluids including a gas and a liquid, said device comprising: at least one container (1) for storing the fluids, a gas inlet (2) and a gas outlet, an inlet and an outlet for the liquid, at least one facility (8) for injecting gas into the container (1) for storing the fluids; at least one outlet facility (9) connected to the gas outlet for evacuating the compressed gas, liquid discharging means, and at least one motor group (15) comprising at least one pump (17) and at least one motor (18) for injecting the pressurised liquid into the container (1) for storing the fluids via the liquid inlet.
Abstract:
A master cylinder assembly of the type comprises a housing (20) disposed along an axis (A) defining a chamber (22) having a cylindrical shape extending horizontally between an open end and a closed end. A first cylinder (42) and a second cylinder (44) are disposed for sliding movement axially along the axis. Each of the cylinders includes a cylindrical wall (48) defining a cylindrical bore (52). A piston (56) is disposed in each of the cylindrical bores. The cylindrical wall of each cylinder includes a cylinder ramp (70) to define a cylinder ramp shoulder (74). Each piston includes a piston ramp (76) to define a piston ramp shoulder (80). The piston ramp shoulder (80) of each piston and the cylinder ramp shoulder (74) of each cylinder radially engage one another in an assembled position to allow the cylinders (42, 44) and the pistons (56) to abut one another during the sliding movement axially along the axis within the chamber of the housing.
Abstract:
Dispositif pour le stockage et la restitution de fluides, lesdits fluides comprenant un gaz et un liquide, le dispositif comprenant : au moins un réservoir (1 ) de stockage des fluides, un orifice d'entrée de gaz (2) et un orifice de sortie du gaz, - un orifice d'entrée et un orifice de sortie du liquide, au moins une installation (8) pour injecter du gaz dans le réservoir (1 ) de stockage des fluides; au moins une installation (9) de sortie reliée à l'orifice de sortie du gaz pour évacuer le gaz comprimé, - des moyens de décharge du liquide, au moins un ensemble (15) moteur comprenant au moins une pompe (17) et au moins un moteur (18) pour injecter le liquide sous pression dans le réservoir (1 ) de stockage des fluides par l'orifice d'entrée du liquide.
Abstract:
Dispositif de transmission hydrostatique pour un engin mobile ayant au moins deux roues, la deuxième étant orientable, comprenant : - une pompe hydraulique principale (50); - deux moteurs hydrauliques (10; 20) entraînant respectivement les roues, - des moyens de détection (60) pour détecter que la deuxième roue est braquée; - une première conduite de synchronisation (11) entre le premier et le deuxième moteur (10, 20), - des moyens de réalimentation (70) de la première conduite de synchronisation aptes, alors que le deuxième moteur (20) est alimenté par le premier moteur (10) via la première conduite de synchronisation (11), lorsque la deuxième roue est braquée, à injecter du fluide dans la première conduite de synchronisation, en limitant la pression dans cette conduite à une pression inférieure à une pression de réalimentation significativement inférieure à la haute pression de la pompe.
Abstract:
A fluid operated actuator (100) is provided. The fluid operated actuator (100) includes a cylinder body (101) and a piston (102) movable within the cylinder body (101). The piston (102) defines a first chamber (105) and a second chamber (106). The fluid operated actuator (100) can include a fluid inlet (107) formed in the first chamber (105). A bleed port (110) can be formed to provide fluid communication between the first chamber (105) and the second chamber (106).
Abstract:
One aspect of the present invention provides a mold assembly for manufacturing concrete blocks that is adapted for use in a concrete block machine. The mold assembly comprises a plurality of liner plates and a gear drive assembly. Each liner plate has a major surface and the liner plates are configured such that the major surfaces form a mold cavity, wherein at least one of the liner plates is moveable. The gear drive assembly is selectively coupled to the at least one moveable liner plate and is configured to move the at least one moveable liner plate in a first direction toward an interior of the mold cavity by applying a force in a second direction different from the first direction, and to move the liner plate in a direction away from the interior of the mold cavity by applying a force in a direction opposite the second direction.
Abstract:
The invention concerns a pneumatic system for displacing a cable (1) stretched in a loop between at least two pulleys (2, 3). Said system comprises at least an artificial muscle (5) inserted over a portion of the loop, the length of said artificial muscle varying depending on whether or not it is under pressure, means for pressurising or not the artificial muscle, and means for alternately blocking two of said pulleys in a least one rotating direction.
Abstract:
A hydraulically-controlled linear displacement unit for industrial manufacturing robotal devices has a housing block in which are housed at least one working cylinder (15) for a piston (13) and guiding elements for at least one piston rod (12) and at least oneguiding rod (14). The housing block is composed of a guiding unit(10) and a driving unit (11) detachably interconnected and arranged one behind the other in the direction of the linear displacement, forming a compact unit in which the guiding unit (10) contains the guiding elements (16, 17) for the piston rod (12) and the guiding rod (14).