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Matches 1 - 50 out of 23,252

Document Document Title
WO/2019/053397A1
The present invention provides a seal housing (102) for releasable attachment to a hydraulic or pneumatic cylinder (101), the seal housing (102) being suitable for retaining a seal assembly and the seal housing (102) comprising a general...  
WO/2019/054624A1
The present invention relates to a fluid supply structure for an actuator piston assembly, the structure being formed such that a fluid is supplied or discharged through one inflow/discharge path at each of a pair of chambers for operati...  
WO/2019/049500A1
This hydraulic cylinder (10) is provided with a cylinder tube (12), a piston unit (18), and a piston rod (20). The piston unit (18) has: a piston body (40); packing (42) mounted on the piston body (40); a holding member (44) mounted on t...  
WO/2019/049501A1
This piston unit (18) is provided with: a piston body (40); packing (42) mounted on an outer circumferential portion of the piston body (40); a holding member (44) having a plurality of magnet holding portions (58) that are arranged alon...  
WO/2019/050413A1
An electrohydraulic device is described which in certain embodiment has an extender which is arranged to be actuated by hydraulic fluid, and a rotor of an electric motor, the rotor being arranged to rotate about a part of the extender. T...  
WO/2019/051172A1
A liquid delivery system (106) includes a source of hydraulic fluid (502) and a hydraulic cylinder (114) fluidically coupled to the source of hydraulic fluid (502) and having a hydraulic piston (224) movable between first and second limi...  
WO/2019/047684A1
An axial constant-pressure floating device, comprising a floating shaft (1), a constant-pressure outer cylinder (2), a constant-pressure inner cylinder (3), and a floating piston (4). The constant-pressure inner cylinder (3) and the floa...  
WO/2019/044342A1
Provided is a balancer cylinder (10) attached such that the axial direction thereof is perpendicular to a workpiece-conveying apparatus (100) having a pressure fluid supply source (16), wherein a second flow channel (28b) through which t...  
WO/2019/040505A1
Embodiments of the present invention describe the arrangement of bearings in actuators. In particular, the bearings are fit into a surface of the actuation member instead of into the housing for the actuation member. In an exemplary embo...  
WO/2019/038150A1
The invention relates to a circuit assembly (110) for operating a piezohydraulic actuator (10), comprising: a first supply connection (E1) and a second supply connection (E2) for applying a supply voltage; a first output connection (A1) ...  
WO/2019/035906A1
A modular electrohydraulic actuator including an electric motor, a hydraulic pump driven by the electric motor, and a hydraulic actuator in fluid communication with the hydraulic pump. The hydraulic actuator includes a hydraulic cylinder...  
WO/2019/033230A1
An intelligent clamping force adjusting oil cylinder, comprising a base (1), a lower pump body (2), an upper pump body (3), a pressing rod (4), a signal amplifying circuit board (8), a sensor head (9), an oil plug (11), a piston, an oil ...  
WO/2019/030362A1
The present disclosure relates to a pre-fill hydraulic cylinder for actuatin a pre-fill valve. The pre-fill hydraulic cylinder has features for providing enhance alignment between a valve seat and a poppet moved by the pre-fill hydraulic...  
WO/2019/032904A1
A sealing ring (200) includes a first sealing element (220) having a first mating surface and a second sealing element (230) having a second mating surface. A high-pressure boundary (250) extends across at least a portion of the first se...  
WO/2019/032922A1
The present disclosure provides a sealing ring assembly having a ring and one or more gap cover elements, configured to seal a high-pressure region from a lower pressure region of a piston and cylinder device. The ring may be segmented, ...  
WO/2019/029957A1
The invention relates to a large manipulator for concrete pumps having a boom pedestal which is arranged on a chassis and can be rotated about a vertical axis of rotation, having an articulated boom which is composed of at least two boom...  
WO/2019/025285A1
A lever mechanism (10) for converting a motion from linear to rotary, comprising a guiding bar (55), a slider (60) which slides along the guiding bar (55) and acts on a lever (15) by means of a pivot (65); the lever (15) comprising a cyl...  
WO/2019/026892A1
This hydraulic drive device is provided with: an electric motor; a variable capacity pump which is driven by the electric motor and which has a pair of pump ports of which a discharge side and a suction side switch in accordance with the...  
WO/2019/020617A1
Disclosed is a swiveling unit for swiveling objects, comprising a housing and at least one piston which delimits at least two chambers, further comprising an adjustable element which can be moved in different movement phases according to...  
WO/2019/015109A1
The present invention belongs to the field of mechanical apparatuses, and provides a duplex oil cylinder, a crossbeam opening and closing device, a crossbeam opening and closing method, and a crossbeam opening and closing control system....  
WO/2019/011907A1
The invention relates to a hydraulic actuator (100) comprising a barrel (2), a plunger piston (8), and a loose piston (14); said plunger piston is being arranged inside said barrel and at a first axial end (10) thereof comprises a piston...  
WO/2019/011713A1
The invention relates to a hydraulic cylinder comprising a body (1) having a wall (3) that defines an internal cylindrical cavity (2), with a cylindrical cavity axis (X), in which a piston (4) is movably mounted, said piston (4) separati...  
WO/2019/011860A1
The present invention relates to a hydraulic valve control unit for an open center hydraulic system, the open center hydraulic system comprising a pump, a shunt valve and one or more actuator valves coupled to the shunt valve, wherein ea...  
WO/2019/014430A1
The subject matter of this specification can be embodied in, among other things, a rotary actuator that includes a housing defining a first arcuate chamber portion and comprising a first cavity, a first open end, a first seal carrier ass...  
WO/2019/011859A3
The present invention relates to An open center hydraulic system (100), the open center hydraulic system (100) comprising a tank configured to hold hydraulic fluid, a pump configured to provide pressurized hydraulic fluid from the tank, ...  
WO/2019/011859A2
The present invention relates to An open center hydraulic system (100), the open center hydraulic system (100) comprising a tank configured to hold hydraulic fluid, a pump configured to provide pressurized hydraulic fluid from the tank, ...  
WO/2019/011714A1
The invention relates to a hydraulic cylinder comprising a body (1) having a wall (3) that defines a cylindrical cavity (2), with a cylindrical cavity axis (X), in which a piston (4) is movably mounted, said piston (4) separating said cy...  
WO/2019/009107A1
Provided are an actuator, a valve, and a semiconductor production device that make it possible for pistons to move at a constant speed. The present invention comprises: an actuator (20) comprising a casing that has first and second outer...  
WO/2019/009106A1
Provided are an actuator, a valve, a fluid supply system, and a semiconductor production device that make it possible for variations in an opening/closing speed to be reduced by means of a simple configuration. A valve (1) that comprises...  
WO/2019/004366A1
A syringe transmits energy for injection satisfactorily to an injection objective substance while preventing influences of combustion products produced by the combustion of powder on the injection objective substance. A first piston part...  
WO/2018/235980A1
The present invention relates to a detection hole for checking whether gas is leaking from an underground pipe, and a method for installing the same and, more specifically, to a detection hole for checking whether gas is leaking from an ...  
WO/2018/232544A1
The invention relates to an oleohydraulic steam engine, which is an external combustion engine, in which the engine shaft rotates by means of the continuous flow of hydraulic oil passing through the engine. This continuous flow is obtain...  
WO/2018/228705A1
A process control device (1) is proposed which has an electropneumatic control unit (2) which is used for activating a pneumatic actuating drive (3). The control unit (2) has a fastening module (36) by means of which it is fastened to a ...  
WO/2018/232386A1
The present invention relates to a new pneumatic-actuated multifunctional doming actuator. The doming actuator can be used as a doming actuator, which can maintain machine/robotic operation on vertical surfaces without falling. The domin...  
WO/2018/226107A1
The invention relates to a machine that amplifies the drive torque of a moving shaft, which is formed by at least one pair of identical units facing a central shaft, each unit being formed by at least one mechanical actuator (cam), a hyd...  
WO/2018/222930A1
A textile actuator worn by a user comprises a textile envelope that defines a chamber made fluid-impermeable by a fluid-impermeable bladder contained in the textile envelope and/or a fluid-impermeable structure incorporated into the text...  
WO/2018/222821A1
Disclosed herein are various embodiments of a hydraulic actuator that includes one or more check valves having a dynamically varying cracking pressure. In certain embodiments, a hydraulic actuator may be configured to vary the cracking p...  
WO/2018/210163A1
Disclosed are a reciprocating linear motion and rotation motion transforming device, and a cylinder device, which are mainly applicable to the field of mechanical transmission. The reciprocating linear motion and rotation motion transfor...  
WO/2018/213033A1
Passive robot for transporting sensors and instruments such as leak sensors into water pipes. The robot includes a leak sensor having a diameter to fit closely within a water pipe. A leak sensor is flanked by, and bonded to, substantiall...  
WO/2018/211022A1
The invention relates to a sawing system (Sg) for mounting in a machine for cutting a slice of a material, comprising a cradle (Bc) on which at least one double-acting hydraulic cylinder (V) coupled to a corresponding saw (Sc) is mounted...  
WO/2018/212718A1
A method for making a soft robot with stretchable coating formed from a double-network hydrogel prepared using "one- pot" process is provided, comprising preparing a hydrogel mixture including agarose, acrylamide, N,N'-methylene- bisacry...  
WO/2018/207429A1
A hydraulic cylinder (10) comprises a cylinder tube (12) having a circular slide hole (13), a piston unit (18), and a piston rod (20). The piston unit (18) has a circular piston body (40), packing (42) that is installed on the outer circ...  
WO/2018/206397A1
The invention related to a pyrotechnic circuit breaker (1) comprising: a body (10), a piston (40) slidably mounted in said body along a first direction (Z), said piston having a first protrusion (42) comprising a cutting edge (42a), a py...  
WO/2018/207663A1
This rotary actuator 100 is provided with an expandable balloon 102 which radially and axially expands by pressurization. The expandable balloon 102 is restrained such that the expandable balloon 102 hardly stretches in the direction alo...  
WO/2018/202290A1
An electropneumatic controller (7) is proposed, which has an electropneumatic control unit (24) on which is provided an expansion interface (26), on which an expansion module arrangement (25) is fitted. In the expansion module arrangemen...  
WO/2018/204275A1
Various stabilization devices for a robotic end of arm tool, such as a robotic gripper, are described. The stabilization device is provided in a palm area of the end of arm tool and serves as a backstop against which actuators of the end...  
WO/2018/202291A1
The invention relate to an electropneumatic control apparatus (3), which has a carrier module (38), on which a control unit (22), which is equipped with control electronics (34) and control valve elements (23), and an expansion module as...  
WO/2018/198166A1
In the present invention, due to rotation of a spindle (8), one end of a spindle main body (31) and the floor surface section of a recess (21) slide, the outer peripheral portion of a spring seat (9) and the inner wall portion of the rec...  
WO/2018/198535A1
A pressure booster (10) constituting a cylinder apparatus (12) is provided with a first piston (90) and a second piston (94) that are coupled to each other by a rod (96). A connection member (160) provided to the second piston (94) is co...  
WO/2018/197414A1
The invention relates to a connection assembly for connecting an actuating element, such as a pedal, to a piston of a hydraulic cylinder of a motor vehicle control system, the connection assembly comprising: - a control rod (7) which ext...  

Matches 1 - 50 out of 23,252