A power take-off (100) comprising a support part (7a, 7b), an input part (101 ) which sets in rotation a first part (1) bearing one or more first discs (3), a second part (2) that bears one or more second discs (4) and which sets in rotation an output part (102), a supply line (50) of fluid for moving a piston (5) so as to press together the one or more first discs (3) and the one or more second discs (4) transmitting, or not, torque to the output part (102) and command means for commanding the transmission of torque to connect the input part (101) to the output part (102) in a first faulty operating condition (FO1), in a case of a fault that prevents transmission of torque between the one or more first discs (3) and the one or more second discs (4) by friction.
B60K 17/28 - Agencement ou montage des transmissions sur les véhicules caractérisées par la disposition, l'emplacement ou le type de prise de force
F16D 25/0638 - Embrayages actionnés par fluide dans lesquels le fluide actionne un piston incorporé dans l'embrayage l'embrayage comportant des surfaces de friction avec organes d'embrayage mobiles exclusivement selon l'axe avec des surfaces de friction plates, p. ex. des disques avec plus de deux disques, p. ex. à lamelles multiples
2.
VALVE FOR A SINGLE-ACTING CYLINDER AND ITS ASSEMBLY IN A MOTOR VEHICLE'S TIPPER BODY
Valve (1) for controlling the oil flow to a cylinder (10) provided with single hydraulic connection on one side only, the valve comprising a pneumatic drive group (9) configured to axially move a shutter (5) in the valve chamber in at least three different positions including a neutral position, a tilting position and a lowering position; the valve comprising a limiting device (15) that can be activated when the drive unit is in the tilting position; once activated, said limiting device (15) sets the pressurized chamber (C1) of the drive unit and stops the pneumatic supply to the valve shutter.
F15B 9/10 - Servomoteurs à asservissement, c.-à-d. dans lesquels la position de l'organe commandé correspond à celle de l'organe qui commande les servomoteurs étant du type à mouvement possible alternatif ou oscillant commandés par des clapets agissant sur l'alimentation de fluide ou sur l'orifice de sortie du fluide du servomoteur dans lesquels l'élément de commande et le servomoteur commandent chacun un organe séparé, ces organes agissant sur différents passages du fluide ou sur le même
B60P 1/16 - Véhicules destinés principalement au transport des charges et modifiés pour faciliter le chargement, la fixation de la charge ou son déchargement avec un mouvement de basculement de l'élément supportant ou contenant la charge actionné par un fluide
F15B 9/08 - Servomoteurs à asservissement, c.-à-d. dans lesquels la position de l'organe commandé correspond à celle de l'organe qui commande les servomoteurs étant du type à mouvement possible alternatif ou oscillant commandés par des clapets agissant sur l'alimentation de fluide ou sur l'orifice de sortie du fluide du servomoteur
3.
DIRECTIONAL CONTROL VALVE GROUP,FIXABLE TO A WALL OF AN OIL TANK AT AN OIL INLET THROUGH-HOLE MADE IN THE WALL OF AN OIL TANK.
A directional control valve group (3), fixable to a wall of an oil tank (13) at an oil inlet through-hole (22) made in the wall (12) of the oil tank (13), comprising: a directional control valve (4) provided with a first hollow body (21); a housing (5) of the oil filter element (9); a second hollow body (15). The first hollow body (21) has a first planar surface (51), the second hollow body (15) has a second planar surface (52); the first hollow body (21) and the second hollow body (15) are mutually conformed so as to enable fixing the first hollow body (21) to the second hollow body (15) in such a way that the first planar surface (51) contacts the second planar surface (52) and the first hollow body (21) projects with respect to the second hollow body (15). Additionally, the group (3) comprises a housing of an air filter element (29) inserted in the second chamber (17) of the second hollow body (15) and connectable to the oil tank (13).
An air and oil filter group, couplable to a wall of an oil tank (13) at a through- hole for oil inlet (22) made in a same wall (12) as the oil tank (13), comprises; a housing (5) for an oil filter element (9) which is insertable in the oil inlet through-hole (22); a housing (28) of an air filter element (29); a hollow body (15) which is fixable to the wall (12) of the oil tank (13) at the oil inlet through- hole (22) and which is provided with a chamber (17), a first conduit connectable to the housing (5) of the oil filter element (9), a second conduit which is facing the first conduit and which enables accessing the oil filter element (9), a third conduit connectable to an oil supply and a fourth conduit; a bypass conduit (40) for placing the fourth conduit (39) in fluid communication with the chamber (14) of the oil tank (13). The hollow body (15) and the housing (28) of the air filter element (29) are dimensioned with respect to one another so that: the housing (28) of the air filter element (29) can be inserted in and extracted from the chamber (17) of the hollow body (15) through the second conduit (18); when the housing (28) of the air filter element (29) is inserted in the chamber (17) of the hollow body (15), the air can flow from outside through the second conduit, the air filter element (29), the fourth conduit and the chamber (14) of the oil tank (13).
B01D 35/027 - Filtres adaptés à des endroits particuliers, p. ex. conduites, pompes, robinets montés de façon rigide dans ou sur des récipients ou des réservoirs
B01D 35/147 - Soupapes de dérivation ou de sécurité
B01D 36/00 - Circuits ou combinaisons de filtres avec d'autres dispositifs de séparation
B01D 29/21 - Éléments filtrants avec des supports agencés pour la filtration à courant dirigé vers l'intérieur à feuilles ondulées, pliées ou enroulées
B01D 29/58 - Filtres à éléments filtrants stationnaires pendant la filtration, p. ex. filtres à aspiration ou à pression, non couverts par les groupes Leurs éléments filtrants à plusieurs éléments filtrants caractérisés par leur agencement relatif montés en série disposés de façon concentrique ou coaxiale
5.
A DIRECTIONAL CONTROL VALVE GROUP INSTALLABLE ON A TRUCK FOR COMMANDING A DOUBLE-ACTING HYDRAULIC USER, AND A HYDRAULIC PLANT COMPRISING THE DIRECTIONAL CONTROL VALVE GROUP.
The invention relates to a directional control valve group (27), installable on a truck for commanding a double-acting hydraulic user (25), comprising: a directional control valve group (34) that comprises a stem (35) that is mobile between three positions (I, II, III), and six internal conduits (41, 42, 43, 44, 45, 46); a maximum pressure valve (47); a flow regulating valve (50). A hydraulic plant for commanding a double-acting hydraulic user is also disclosed, for commanding a single-acting hydraulic user, which comprises: the directional control valve group (27); an oil discharge (T); a hydraulic pump (P); a second directional control valve group (56) for commanding a single- acting hydraulic user (20), comprising in turn a second directional control valve (57); wherein the second directional control valve (56) is arranged downstream of the hydraulic section (55) with respect to the oil supply direction.
F15B 13/02 - Dispositifs de distribution ou d'alimentation du fluide caractérisés par leur adaptation à la commande de servomoteurs
F15B 13/01 - Clapets de blocage ou autres dispositifs de détente
F15B 13/04 - Dispositifs de distribution ou d'alimentation du fluide caractérisés par leur adaptation à la commande de servomoteurs pour utilisation avec un servomoteur unique
F15B 13/08 - Assemblages de distributeurs élémentaires utilisés chacun pour la commande d'un seul servomoteur
6.
CONTROL DEVICE FOR ZERO-LEAK DIRECTIONAL CONTROL VALVES
Hydraulic system, distributor and bidirectional valve to activate the hydraulic actuators (3; 3a, 3b) of an operating machine; the hydraulic system (1) having: a first high-pressure oil delivery (4); an oil drain (8); a slide valve with a spool, which is axially sliding and is suited to control a hydraulic actuator (3); a second low-pressure oil delivery (6); an activation valve (15); and a bidirectional valve (21) with a first passage opening (22) that can be hydraulically connected, by means of the slide valve (9) to the first delivery (4) and a second passage opening (23) hydraulically connected to the actuator (3); wherein, the bidirectional valve has an inlet opening (24) that can be connected, by means of the activation valve (15) to the second delivery (6) and an outlet opening (25) that can be connected, by means of the spool (12) to the drain (8).
12 - Véhicules; appareils de locomotion par terre, par air ou par eau; parties de véhicules
Produits et services
Power take offs; Pumps, Cylinders and Valves; Hydraulic pumps, cylinders and valves; Hydraulic power units and distributors. Power take-offs for industrial vehicles, pumps, cylinders and valves for industrial vehicles; Hydraulic pumps, cylinders and valves for industrial vehicles; Hydraulic and mechanical units for industrial vehicles.
12 - Véhicules; appareils de locomotion par terre, par air ou par eau; parties de véhicules
Produits et services
Power take offs; Pumps, Cylinders and Valves; Hydraulic pumps, cylinders and valves; Hydraulic power units and distributors. Power take-offs for industrial vehicles, pumps, cylinders and valves for industrial vehicles; Hydraulic pumps, cylinders and valves for industrial vehicles; Hydraulic and mechanical units for industrial vehicles.
Hydraulic system for actuating the hydraulic actuators (2) of a working machine, the hydraulic system (1) has a delivery (3), a discharge (5), a drainage line (25), a signal line (21), a main slide valve (9) which actuates a corresponding hydraulic actuator (2), a safety slide valve (24) integral with the main slide valve (9) and adapted for opening or closing the drainage line (25) itself, and a pressure compensator (10) presenting a frontal chamber (13) connectable by way of the main slide valve (9) to the delivery (3) and a rear chamber (14) connected to the signal line (21); the drainage line (25) connecting a node (28) of the signal line (21) to the discharge (5).
Hydraulic system for actuating the hydraulic actuators (2) of a working machine, the hydraulic system (1) has a delivery (3), a discharge (5), a drainage line (25), a signal line (21), a main slide valve (9) which actuates a corresponding hydraulic actuator (2), a safety slide valve (24) integral with the main slide valve (9) and adapted for opening or closing the drainage line (25) itself, and a pressure compensator (10) presenting a frontal chamber (13) connectable by way of the main slide valve (9) to the delivery (3) and a rear chamber (14) connected to the signal line (21); the drainage line (25) connecting a node (28) of the signal line (21) to the discharge (5).
The control system for a hydraulically-actuated device (9) comprises, in known ways, an engine (8) designed to rotate a hydraulic pump (40) on a delivery of which there is a hydraulic distributor (5) able to modulate the supply flow rate (PA) of the device (9); the control system comprises, in a novel way, an electronic control unit (6) designed to compare a signal (SD) coming from the hydraulic device (5), proportional to the supply flow rate (PA), with a signal (NG) coming from the pump (40), proportional to the rotation velocity of the pump (40) and indicating the delivery flow rate (PM), such as to provide in output a signal (SC) which is proportional to the difference between the supply flow rate (PA) and the delivery flow rate (PM), and which is able to actuate the engine (8) in order to annul the difference.
F15B 11/042 - Systèmes comportant essentiellement des moyens particuliers pour commander la vitesse ou la puissance d'un organe de sortie pour commander la vitesse par des moyens de commande situés dans le circuit d'alimentation
F15B 21/08 - Systèmes de servomoteur comportant des moyens de commande actionnés électriquement
F04B 49/20 - Commande des "machines", pompes ou installations de pompage ou mesures de sécurité les concernant non prévues dans les groupes ou présentant un intérêt autre que celui visé par ces groupes en modifiant la vitesse d'entraînement
12 - Véhicules; appareils de locomotion par terre, par air ou par eau; parties de véhicules
Produits et services
Machines and machine tools; motors and engines (except for
land vehicles); machine coupling and transmission components
(except for land vehicles); agricultural implements other
than hand-operated; incubators for eggs. Vehicles; apparatus for locomotion by land, air or water.
12 - Véhicules; appareils de locomotion par terre, par air ou par eau; parties de véhicules
Produits et services
Machines and machine tools for the cutting and forming of materials; electric motors for machines, engines not for land vehicles; machine couplings, transmission components, namely, gear speed reducers, and gear speed multipliers for industrial and farm machinery; agricultural implements other than hand-operated, namely, plows, harrows, disk harrows, mowers, reapers, harvesters, hay rakes, hay balers, broadcast seeders, manure spreaders, fertilizer distributors, corn huskers and rollers; incubators for eggs Land vehicles; apparatus for locomotion by land, air or water, namely, tractors, boats and aircraft
37 - Services de construction; extraction minière; installation et réparation
Produits et services
Machines and machines tools, cylinders. Apparatus for heating, refrigerating, ventilating, water supply and drying. Construction, repair, installation.
12 - Véhicules; appareils de locomotion par terre, par air ou par eau; parties de véhicules
Produits et services
(1) Hydraulic pumps for industrial vehicles namely: power take offs and gear pumps, axial piston pumps, bent axis piston pumps, complete hydraulic kits and split shaft power take offs for oleodinamic appliances; transmission assemblies for industrial vehicles namely: hydraulic control units, accessories for industrial vehicles namely oil filters for tanks, pipelines, all this hydraulic components for industrial vehicles; valves distributors, valves and hydraulic circuits for industrial vehicles (except for land vehicles); machine coupling and transmission components.
(2) Transmission assemblies for industrial vehicles namely: power take off, accessories for industrial vehicles namely oil tanks, support brackets kits for tanks, all this hydraulic components for industrial vehicles.
12 - Véhicules; appareils de locomotion par terre, par air ou par eau; parties de véhicules
Produits et services
Machines and machine tools; motors and engines (except for land vehicles); machine coupling and transmission components (except for land vehicles); incubators for eggs; agricultural implements other than hand-operated. Vehicles; apparatus for locomotion by land, air or water.
09 - Appareils et instruments scientifiques et électriques
Produits et services
(1) Hydraulic pumps for industrial vehicles, PTOs (power take offs) and transmission assemblies for industrial vehicles, valves and hydraulic circuits for industrial vehicles.
