| Document |
Document Title |
|
WO/2013/168723A1 |
In a solenoid valve system (10, 10a, 100, 200, 300, 300a), a plurality of first through third solenoid valve units (14a to 14d, 16a to 16d, 18a to 18d) are divided into a plurality of first through third groups (14, 16, 18). In this case...
|
|
WO/2013/152817A1 |
The invention relates to an air treatment system for the supply of compressed air in utility motor vehicles, having a plurality of compressed-air circuits connected to a main supply line (102), wherein a trailer and/or parking brake supp...
|
|
WO/2013/152107A1 |
Two-stage, sequential operation protective assemblies are provided, including a primary protective device (20) having an element (32) which shifts in response to operation thereof (preferably a rupturable burst member (35)), together wit...
|
|
WO/2013/140960A1 |
A mixer drum drive device comprises an auxiliary fluid pressure pump provided independent of a fluid pressure pump and capable of supplying hydraulic fluid to a fluid pressure motor so as to rotate a mixer drum in a stirring manner, a pl...
|
|
WO/2013/129946A1 |
The invention relates to an extension device, lifting device or jack that can be locked in a raised configuration and used to safely support a raised load. An extension device according to the invention comprises a housing having a close...
|
|
WO/2013/120118A1 |
The invention relates to a hydraulically telescopic support device (100) for a vehicle (200), in particular for a mobile loading crane (201), comprising a hydraulically movable piston-cylinder unit (101) for extending and retracting the ...
|
|
WO/2013/122331A1 |
The real-time power saving device for hydraulic systems according to the present invention operates at a preset working pressure according to the volume of a supplied working fluid. The present invention includes: a proportional valve un...
|
|
WO/2013/113317A1 |
The present invention relates to a system (2) for control of a hydraulic system primary for pitch control of at least one rotor blade for a windmill which pressure source (4) through valves are connected to at least a first port (28) in ...
|
|
WO/2013/106839A2 |
A method of deactiving an underwater hydraulic device provides a hydraulic device that is capable of being operated under water, the device having a hydraulic cylinder with a pushrod and a piston. The device is lowered below a water surf...
|
|
WO/2013/106690A1 |
Examples of automatic valve shutoff systems are described which may include an actuation device including an actuator and a valve attachment portion. The valve attachment portion may be configured for attachment with an existing valve in...
|
|
WO/2013/103166A1 |
The present invention relates to a cylinder cushion device for a construction machine, in which damping pressure is released through a flow path inside a cushion plunger to reduce shock due to flow path throttling and the impact of abnor...
|
|
WO/2013/100509A1 |
The present invention relates to a pressure overshooting prevention system for an electronic hydraulic pump in a hydraulic system. A flow command is added (+) and a discharge flow rate is subtracted (-) to calculate a displacement flow r...
|
|
WO/2013/098800A1 |
A valve positioner system (12) with zero bleed at steady state is disclosed. The system has a pilot valve (30), the operation of which is controlled by an electronic circuit (34) powered from a signaling and power connection of a positio...
|
|
WO/2013/069374A1 |
A closed hydraulic circuit system (100) capable of driving a hydraulic cylinder (3) having a first port (3b) and a second port (3c) comprises: a hydraulic pump (1) which has a first pump port (1a) hydraulically connected to the first por...
|
|
WO/2013/059773A1 |
A fluid flow control device includes a trim cartridge, a diaphragm assembly, and a control element. The trim cartridge defines a cartridge supply port and an upper planar surface. The cartridge supply port is disposed along a supply path...
|
|
WO/2013/046630A1 |
A hydraulic pressure unit (10) is provided with a power module (53) for generating heat when electrified. This power module (53) is positioned on the bottom surface of a recess (35) in contact with hydraulic fluid in a tank (30). Therefo...
|
|
WO/2013/035425A1 |
This construction machine is provided with: an engine (10) electronically controlled by a control apparatus (33); a hydraulic motor (24) for travelling which is driven by pressure oil discharged from a hydraulic pump (13); and a travel s...
|
|
WO/2013/008964A1 |
Disclosed is an actuator damping control system for reducing shocks imparted to a hydraulic actuator caused by a change in load resulting from an abrupt manipulation of a boom or other working device. The hydraulic actuator damping contr...
|
|
WO/2012/157510A1 |
This invention comprises: a rotary hydraulic motor (23) and a rotary electric motor (101) for driving an upper rotary body (2), which is the common object to be driven; a hydraulic pump (22) for supplying a pressurized oil to the rotary ...
|
|
WO/2012/153880A1 |
The present invention relates to a hybrid excavator on which is mounted a hybrid actuator for quickly stopping a working device being operated at high speed during work such as pipe laying. The hybrid excavator on which the hybrid actuat...
|
|
WO/2012/150753A1 |
An air lifting system with a piston locking means capable of locking the piston firmly at the position where the piston reached is disclosed. The air lifting system includes a piston locking means which can fix the piston, which is eleva...
|
|
WO/2012/144665A1 |
Disclosed is a hydraulic circuit for controlling booms of construction equipment, wherein working oil which is relieved from a large chamber of a boom cylinder passes through an orifice so as to prevent the boom from lowering if an overl...
|
|
WO/2012/128132A1 |
Hybrid construction machinery is provided with: a control device (80) that switches between hydraulic/electric complex rotation mode which drives the rotating body (20) with the total of the torque of the hydraulic motor (27) and an elec...
|
|
WO/2012/128291A1 |
A mixer drum driving device provided with a mixer drum, a hydraulic motor, a hydraulic pump, an auxiliary hydraulic pump that supplies hydraulic oil to the hydraulic motor independently from the hydraulic pump to cause the mixing rotatio...
|
|
WO/2012/118551A1 |
Methods and apparatus for bypassing a positioner in an active control loop are described. An example actuator assembly includes a pneumatic actuator (106) and a transfer station (104). The transfer station includes a body defining flow p...
|
|
WO/2012/109558A1 |
A method of controlling a hydraulic circuit having a pump, a hydraulic actuator, and a control valve disposed between the pump and hydraulic actuator is disclosed. The method includes selectively placing the hydraulic circuit between a w...
|
|
WO/2012/104046A1 |
The invention relates to a hydraulic actuating assembly for valves for controlling process fluid flows, comprising a valve that is operated by an actuator and that is pre-tensioned in the direction of a closing position. The actuator has...
|
|
WO/2012/087012A2 |
The present invention relates to a hydraulic system for a construction machine which uses an electric hydraulic pump, and more particularly, to a hydraulic system including an emergency control unit for temporarily operating the construc...
|
|
WO/2012/081197A1 |
Provided is an apparatus for controlling an elastic actuator drive mechanism, which determines abnormality of an output measuring means (8) by being provided with an abnormality determining means (49), which determines whether an output ...
|
|
WO/2012/082018A1 |
The invention relates to a hydraulic device (1) comprising a cylinder (2) and a piston (3) wherein the piston (3) is arranged to be able to move back and forth in the cylinder (2). The piston (3) comprises a piston rod (4) and a piston d...
|
|
WO/2012/076178A1 |
Disclosed is a fail-safe fluidic actuation system (1) having a safety position, comprising a control element (2) having at least one first and one second chamber (3, 4); having a working circuit (5) with a motor/pump device (6), wherein ...
|
|
WO/2012/070392A1 |
A hydraulic cylinder system (1) comprises: cylinders (3a, 3b); valves (4a, 4b) respectively provided to the cylinders (3a, 3b) and adjusting the amount of operating liquid supplied into and discharged from the cylinders (3a, 3b); drive s...
|
|
WO/2012/067276A1 |
Disclosed is a hydraulic cylinder with a variable cushion orifice, wherein the size of an orifice hole, which is provided for cushioning so as to reduce a shock generated at a stroke end of a cylinder rod, may be simply controlled from t...
|
|
WO/2012/062404A1 |
The invention relates to two variants of a safety circuit for valves actuated hydraulically via a positioning cylinder. In the first variant, the positioning cylinder (2, 202) can be hydraulically or pneumatically depressurized in an eme...
|
|
WO/2012/053534A1 |
Provided is a work vehicle that enables malfunction of a hydraulic actuator and malfunction of the operating lever device to be prevented. In a backhoe (1), a control unit (84e) is configured so as to display a switching position (P) in ...
|
|
WO/2012/046677A1 |
Provided is a hybrid construction machine capable of promptly stopping a revolving body by means of the stopping control of a normal construction machine even when, for some reason, the revolving body moves contrary to the expectation of...
|
|
WO/2012/030003A1 |
Disclosed is a hydraulic circuit that supplements and uses a hydraulic fluid of a hydraulic pump for a cooling fan and a hydraulic fluid of a main hydraulic pump as a hydraulic power unit of RCV to supply a signal pressure to a control v...
|
|
WO/2012/023229A1 |
A device is provided to detect clogging of a filter (6) provided onto a construction machinery. This device can maintain a high detection accuracy under normal temperatures while ensuring the required frequency of detection even when col...
|
|
WO/2011/145585A1 |
Provided is a hybrid construction machine such that an electric motor is used to drive a swing body, and that even if, for some reason, there arises a situation where the torque of the motor cannot be generated, satisfactory work can be ...
|
|
WO/2011/142447A1 |
The disclosed rotating parking brake control device obviates the need for an operator to operate an emergency-stop switch. A hybrid controller, to which a brake is connected, drives/controls an upper rotating body by outputting a drive/c...
|
|
WO/2011/112209A1 |
A double valve (110) includes a first unitary valve (111) assembly and a second unitary valve assembly (112). Each unitary valve assembly includes a first outlet port (188a, 189b), a second outlet port (189a, 188b), and a spool (180, 181...
|
|
WO/2011/099214A1 |
Disclosed is a hydraulic excavator attachment control device comprising a hydraulic circuit that is provided with a hydraulic pump (3); a plurality of actuators including the actuator for a breaker (110) which is an attachment; and a plu...
|
|
WO/2011/081722A1 |
Apparatus to increase a force of an actuator having an override apparatus are described herein. An example fluid control system includes a first fluid control apparatus to fluidly couple a control fluid supply source to a control actuato...
|
|
WO/2011/050144A1 |
A method for controlling a safety feature for a hydraulic machine (10) is provided. The method includes detecting when at least control valve (48, 58, 60, 62) for a controller (36, 38, 40, 42) of an implement (12) for the hydraulic machi...
|
|
WO/2011/037287A1 |
The present invention relates to a fail safety actuator. The fail safety actuator according to the present invention includes: a driver for supplying a driving force; a moving member for moving to a position or returning to an original p...
|
|
WO/2011/032364A1 |
A safety control double valve for a power-off protection press includes a double valve(56，96，100）, a safety valve(55), a pneumatic-electric signal converter(57) and a detection control driving circuit(9). The connection way of the ...
|
|
WO/2011/018152A1 |
The invention relates to a control valve device (1), comprising two main valves (HV1, HV2), each of which can be actuated by a pilot valve (VV1, VV2) so that they can be switched into a working position in which they cause a pneumatic pr...
|
|
WO/2011/019644A2 |
An actuator and counterbalance system including a nonmobile carrier; a mobile carrier, mobile relative to the non mobile carrier; and a counterbalance system in operable communication with the mobile carrier and configured to counterbala...
|
|
WO/2011/003506A1 |
The invention relates to a controller for a secure electro-hydraulic axis (2) comprising a valve block (10), which has a first and a second working connection (Y2, Y1) for a hydraulic load (2) that has two supply connections (X1, X2) and...
|
|
WO/2010/149446A2 |
The invention relates to a control circuit for a pneumatic or hydraulic actuator (1), particularly a pneumatic or hydraulic actuating cylinder of a vehicle transmission, comprising a plurality of valves (2, 3, 4, 5), wherein depending on...
|
