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Patent Searching and Data


Matches 151 - 200 out of 23,672

Document Document Title
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/2019/011859A2
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/2018/136981A8
A hydraulic actuator for a downhole pump system includes a piston housing having a head end and a base end. A drive piston is movable within the piston housing between a first piston position proximate to the head end and a second piston...  
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/2018/195375A3
A system for positioning a patient before, during or after a medical procedure can include an arm assembly and a surgical drape for use with the arm assembly. The surgical drape can be configured to be placed around a surgical site where...  
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...  
WO/2018/195116A1
A pneumatic control unit configured to inflate a first and second set of bellows with fluid from a pneumatic fluid source via a pneumatic circuit, the first and second set of bellows associated with one or more pneumatic actuators. The p...  
WO/2018/195115A1
A system for controlling a rotation of one or more solar panels about an axis of rotation, comprising one or more solar panels defining a longitudinal axis, one or more bellows actuators coupled to the one or more solar panels and defini...  
WO/2018/192747A1
The invention relates to an electrohydraulic system (7) for use under water, comprising an electrohydraulic actuator and a container (9) having an internal space (10) provided for forming a volume which is enclosed from the environment a...  
WO/2018/195113A1
An actuator that includes a bottom plate, a top-plate, and a first and second hub assembly extending between the bottom and top plates. The actuator can further include a first and second bellows disposed on opposing sides of the hub ass...  
WO/2018/192783A1
The invention relates to an electrohydraulic system (7) for use under water, comprising an electrohydraulic actuator and comprising a container (9), wherein a hydraulic cylinder (15) or a hydraulic motor and a hydraulic machine (25) are ...  
WO/2018/190756A1
The present invention regards a fluid actuator arrangement and a method of moving a first piston rod of the fluid actuator arrangement comprising a first piston (P1) comprising a first clamping device (K1), the first piston (P1) is arran...  
WO/2018/185819A1
A hydraulic device comprising: a tank for storing hydraulic fluid therein; a pump being a power source for supplying hydraulic fluid to a drive target from inside this tank; and an adapter plate housing a hydraulic circuit for removing/a...  
WO/2018/177802A1
The invention relates to an actuator (1) for an automated or automatic transmission, having a cylinder housing (3), a piston unit (2), and a piston rod (13). The piston unit (2) is coupled to the piston rod (13) and is arranged in the cy...  
WO/2018/180500A1
A cylinder tube manufacturing method includes a joining step in which, in a state in which a through hole (10A) of a tube body (10) and a projecting portion (21) of a head member (20) mate with one another with a prescribed clearance (25...  
WO/2018/175744A1
An artificial muscle system includes a collapsible skeleton, a flexible skin, and a muscle actuation mechanism. The collapsible skeleton is contained inside a volume defined, at least in part, by the flexible skin. The flexible skin and ...  
WO/2018/175741A1
Hydraulically-amplified, self-healing, electrostatic actuators that harness electrostatic and hydraulic forces to achieve various actuation modes. Electrostatic forces between electrode pairs of the actuators generated upon application o...  
WO/2018/171824A1
The invention relates to a double-acting overflow valve of a working cylinder, having a housing (20), a first and a second valve element (30; 40), a first and a second counter bearing (50; 60), and a first and a second spring element (70...  

Matches 151 - 200 out of 23,672