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Patent Searching and Data


Matches 101 - 150 out of 911

Document Document Title
WO/2011/026944A9
The present invention discloses an electromotive hydraulic drive (1) for a hydraulically operable component (90), in particular for a setting unit. The hydraulic drive (1) comprises a hydraulic cylinder (10) with a piston (20) which can ...  
WO/2011/140408A2
A component includes a transmission arrangement for transmitting a force between an actuator (102) and a control valve (172). The transmission arrangement includes a post (116) that is associated with the actuator (102). The control valv...  
WO/2011/104831A1
Disclosed is an internal combustion engine control device which prevents damage to an actuator diaphragm at high temperatures and increases the heat resistance thereof. A valve actuator (30) is equipped with a communicating aperture (76)...  
WO/2011/094607A2
An air motor for a pump assembly including a drop tube communicating between an upper chamber port and a top plate port and including a longitudinal axis that is at an angle of between about 0° and 10° with respect to each of the upper...  
WO/2011/091836A1
The invention relates to a hydraulic arrangement, comprising at least two seat valves (8, 10), which each have a valve element (24, 26) preloaded onto a valve seat (40, 42) by means of a valve spring (32, 34). A pressure-medium connectio...  
WO/2011/086455A1
An oil-hydraulic system for moving a gate, comprises a double-acting oil-hydraulic cylinder (11), which is intended to be kinematically connected to the gate to move it, and an electro-hydraulic pump (12) to feed and actuate the cylinder...  
WO/2011/057773A3
In a machine press (1) having a lower and an upper tool carrier, a hydraulic drive acting on the upper tool carrier comprises at least one closed hydraulic drive system that can be switched between rapid motion and press motion, the driv...  
WO/2011/072503A1
An integrated electro-hydraulic servo actuator comprises a hydraulic locking valve group with a position for locking a hydraulic cylinder, wherein two inlets of the hydraulic locking valve group are connected to two oil ports of a bidire...  
WO/2011/072502A1
An integrated electro-hydraulic actuator comprises a hydraulic locking valve group with a position for locking a hydraulic cylinder, wherein two inlets of the hydraulic locking valve group are connected to two oil ports of a bidirectiona...  
WO/2011/026944A1
The present invention discloses an electromotive hydraulic drive (1) for a hydraulically operable component (90), in particular for a setting unit. The hydraulic drive (1) comprises a hydraulic cylinder (10) with a piston (20) which can ...  
WO/2010/137048A1
A control system (1) is described, particularly for trailers, comprising at least one hydraulic motor (3) and at least detection means (5) of a rotation speed of the motor (3), the detection means (5) cooperating with control and managem...  
WO/2010/075216A3
A hydraulic control system (28) for a machine (10) is disclosed. The hydraulic control system may have a pump (38) configured to pressurize fluid, a displacement control valve (58) configured to affect displacement of the pump, and a too...  
WO/2010/093094A1
The present invention relates to a separation column in which a spacer or a blind is positioned between fluid piping and a flange of the separation column tank in such a way as to allow the flow of fluid flowing in the tank and fluid pip...  
WO/2010/081449A1
The invention relates to a master cylinder (1). The invention is used inside hydraulic systems, in particular clutch or brake actuating systems, in automobile construction. In order to be able to provide a master cylinder (1) that has a ...  
WO/2010/075216A2
A hydraulic control system (28) for a machine (10) is disclosed. The hydraulic control system may have a pump (38) configured to pressurize fluid, a displacement control valve (58) configured to affect displacement of the pump, and a too...  
WO/2010/071344A1
The present invention provides a flow control apparatus for a hydraulic pump of a construction machine, comprising: pressure sensor (80) for outputting pressure signals for a variety of control signal input values of the construction mac...  
WO/2010/063414A1
The invention relates to a hydrostatic drive having a hydraulic pump (2) that can be moved from a neutral position into a first and a second opposite delivery direction. The hydraulic pump (2) is connected in a closed circuit to a hydrau...  
WO/2010/046087A1
The invention relates to a hydraulic press drive (10), in particular for a sheet metal forming press or forging press, having a cylinder (12) and a plunger (14), which is movably mounted in the cylinder (12) between a top dead center OT ...  
WO/2010/028100A1
An electro-hydraulic actuation system (901) includes an unbalanced hydraulic actuator (902) capable of motion in retraction and extension directions during movement of a load (904). A pump (204) provides a flow of fluid to the actuator. ...  
WO/2009/141668A1
A power conversion apparatus (1 ) is disclosed for a lorry (2) with a refrigeration unit (4). The unit (1 ) includes a variable displacement pump (5) connected, in use, to an automobile engine (3), a motor (7) fluidly connected to the pu...  
WO/2009/133743A1
Provided is a displacement amplifying device which uses Pascal's principle and is insusceptible to temperature change. A main body (1) is provided with an accommodation space (11) for accommodating a medium (2) therein. The medium (2) is...  
WO/2009/132438A1
A multi-speed jack, having a pump assembly including a pump block having a first cylinder and a second cylinder defined therein, a piston assembly movable within the pump block, the piston assembly having a first portion configured to se...  
WO/2009/102740A3
A flow management system (270) capable of providing adjustable hydraulic fluid flow or pressure at a common line to supply bidirectional pumps in electro-hydrostatic actuation systems and conditioning re-circulated hydraulic fluid. The s...  
WO/2009/103694A1
An electro-hydraulic device with an electronic control and regulation system of a hydraulic actuator (21) for deforming fastening elements, comprising: a covering and protecting casing (3); at least a supply chamber (4), contained in the...  
WO/2009/102740A2
A flow management system (270) capable of providing adjustable hydraulic fluid flow or pressure at a common line to supply bidirectional pumps in electro-hydrostatic actuation systems and conditioning re-circulated hydraulic fluid. The s...  
WO/2009/071264A1
The invention relates to a hydraulic system, comprising a hydraulic actuator (1), comprising at least one first chamber (a) and a second chamber (b) having a connection each for connecting to the hydraulic system, at least one adjustable...  
WO/2009/039044A1
A closed specimen collection system for urine includes a port tube with a one-way valve adapted to fit a shaped nozzle that is attached to tubing ofto an indwelling urinary catheter A collection tube has a shaped nozzle at the proximal e...  
WO/2009/033199A1
The invention relates to a drive device (1) for a bending press, especially a folding press (2), comprising a press frame (3), a press table (9) and a press bar (11) that can be adjusted relative to the press table (9) via a hydraulic sy...  
WO/2009/026893A1
The invention relates to a drive system for hydraulic presses, which allows constant and symmetrical prestressing of the press frame (1), said prestressing being independent of the required forming force, and thus precise guidance of the...  
WO/2009/026878A1
The invention relates to a master cylinder, e.g. for the actuation of a clutch or a brake of a motor vehicle, wherein a piston is axially displaceable inside a guide sleeve and the piston has a front recess in which a piston-side end of ...  
WO/2008/133352A1
There is provided a fluid pressure drive unit that can fulfill a position holding function stably even when an external force acts during the time when the position is held, the unit being used, for example, for the right and left angle ...  
WO2008100830A9
Actuators suited for use with, for example, vehicular suspension systems. In some embodiments, the present actuators include a reversible hydraulic pump configured to produce variable hydraulic pressure; a hydraulic cylinder assembly (60...  
WO/2008/126579A1
An actuator has a power source (10), a cam member (15) driven by power from the power source (10), a following member (19) operatively associated with movement of the cam member (15), a receiving section (20a) for receiving an operation ...  
WO/2008/071140A3
The invention relates to a hydraulic circuit arrangement for controlling a hybrid clutch and an automatic gearbox on a motor vehicle, comprising: an electric hydraulic pump for supplying the hybrid clutch and the automatic gearbox with a...  
WO/2008/100830A1
Actuators suited for use with, for example, vehicular suspension systems. In some embodiments, the present actuators include a reversible hydraulic pump configured to produce variable hydraulic pressure; a hydraulic cylinder assembly (60...  
WO/2008/071140A2
The invention relates to a hydraulic circuit arrangement for controlling a hybrid clutch and an automatic gearbox on a motor vehicle, comprising: an electric hydraulic pump for supplying the hybrid clutch and the automatic gearbox with a...  
WO/2007/065082A3
A digital hydraulic system including a hydraulic source, a housing and a transtatic bridge. The transtatic bridge being substantially contained within the housing; The transtatic bridge being in fluid communication with the hydraulic sou...  
WO/2008/037306A1
A hydrostatic drive unit is disclosed for supplying pressure medium to a hydraulic consumer having two pressure spaces. According to the invention, the hydrostatic drive unit has an adjusting motor and two hydrostatic units which can be ...  
WO/2008/037307A1
A hydrostatic gear mechanism having a drive motor is disclosed, the inflow and outflow connections of which are connected to a pump arrangement, via which pressure medium can be conveyed out of a diminishing pressure space of the output ...  
WO/2008/012558A3
A variable transmission comprises a first fluid working machine (1) for connection to a prime mover (2), a second fluid working machine (5) for connection to a mechanical load (6) and a fluid system linking the first and second working m...  
WO/2008/012558A2
A variable transmission comprises a first fluid working machine (1) for connection to a prime mover (2), a second fluid working machine (5) for connection to a mechanical load (6) and a fluid system linking the first and second working m...  
WO/2007/140947A1
The invention relates to a hydrostatic drive having a first and a second hydraulic pump (11, 12) and a double-action hydraulic cylinder (2). The double-action hydraulic cylinder (2) has a first working chamber (7) and a second working ch...  
WO/2007/128863A1
In the positioning system for an operating cylinder (1), a valve or a set of valves (6; 10, 11) comprises means for allowing a free supply of hydraulic fluid from a pump fluid chamber (8) of a pump cylinder (7) into an operating fluid ch...  
WO/2007/122652A1
System for controlling the motion of an actuator (A) of a hydraulic system realized by means of any circuit or device that, interposed between pump (P) and actuator, controls the motion of the actuator (A) so that it follows the movement...  
WO/2006/113344A3
An actuator assembly comprises a first diaphragm (422) and a second diaphragm (424) connected to the first diaphragm for forming a chamber (426) between the first diaphragm and the second diaphragm. An actuator shaft (427) is connected t...  
WO/2007/025353A1
A fluid transmission that employs a fluid to transmit a force, comprising a conduit for the fluid made from heat shrink polymer tubing, wherein at least a portion of the heat shrink polymer tubing is shrunken, whereby the force can be tr...  
WO/2006/124162A3
Actuator assemblies comprise an actuator element and two piezoelectric assemblies, with the two piezoelectric assemblies being configured and arranged for controlling movement of the actuator element. In some example implementations, the...  
WO/2006/131407A1
The invention relates to a passive hydraulic controller, in which the volumes V1 and V2 at the two sides of the piston of two or more hydraulic cylinders (1) in each case are connected to one another hydraulically, so that a displacement...  
WO/2006/096065A1
A system for shifting gear comprising a gear lever (1) which is pivotally connected at its lower end (9). The gear lever's movement is transferred to two master cylinders (2, 3), which are in fluid connection with each side (6a, 6b) of a...  
WO/2006/089688A1
The invention relates to a hydraulic drive, especially for two-cylinder thick matter pumps. Said hydraulic drive comprises at least one main pump (10) embodied as a hydraulic variable displacement pump, and two hydraulically actuatable d...  

Matches 101 - 150 out of 911