| Document |
Document Title |
|
WO/2023/147797A1 |
The invention relates to a working cylinder with pressure medium overflow, in which a piston comprises a first inner annular groove having a seal and a second inner annular groove having a piston ring which resiliently abuts a cylinder p...
|
|
WO/2023/150459A1 |
An example valve includes: a first port, a second port, and a load-sense port; a valve piston configured to block fluid flow from the first port to the second port when the valve piston is in a neutral position; a reverse flow spring app...
|
|
WO/2023/147740A1 |
Disclosed is a constant value parameter method for detecting and evaluating leakage in a hydraulic cylinder, comprising the following steps: step (1): measuring an accurate pressure drop value Δp of leakage in a hydraulic cylinder; and ...
|
|
WO/2023/145182A1 |
The purpose of the present invention is to provide a work machine in which, during a combined operation for simultaneously driving a specified actuator for regenerating a return oil and another actuator, the speed control for each actuat...
|
|
WO/2023/139885A1 |
The purpose of the present invention is to provide a work machine in which, during a combined operation for simultaneously driving a turning motor and another actuator, the speed control for the actuator and the torque control for the tu...
|
|
WO/2023/134041A1 |
A control method for controlling retraction of a boom, a system, a mechanical device, and a storage medium, the control method for controlling retraction of the boom being applied to a hydraulic system that may combine self-weight retrac...
|
|
WO/2023/130624A1 |
A double-winch hydraulic control system, comprising: a first force measurement member (101), which is used for measuring a first force value of a first steel wire rope (103); a second force measurement member (102), which is used for mea...
|
|
WO/2023/130627A1 |
A hydraulic system with adjustable power, comprising a prime mover (10), which is respectively connected to a first pump body (20) and a second pump body (30), the first pump body (20) being connected to a load (40), and the second pump ...
|
|
WO/2023/132228A1 |
A spaced spool (3A) including a first spool (4) and a second spool (5) axially spaced apart from each other is inserted into a specific spool hole (20A) in a housing (2). The first spool (4) allows a first supply/discharge passage (14) t...
|
|
WO/2023/127672A1 |
Provided is a work machine (1) wherein hydraulic actuator responsiveness when performing prescribed work can be improved. This work machine (1) comprises: a machine body (2); a work device (work device 4, dozer device 7) that is instal...
|
|
WO/2023/119988A1 |
Provided is a control valve (V) with which air can be discharged stably. The control valve (V) is provided with: a valve body (46); a spool hole (47) formed in the valve body (46); a spool (45) assembled into the spool hole (47) so as ...
|
|
WO/2023/118756A1 |
Disclosed is an assembly comprising: - a vehicle comprising a primary hydraulic circuit (100), comprising a load-sensing hydraulic pump (110), an auxiliary hydraulic circuit (130) fed by the hydraulic pump (110) and a hydraulic connector...
|
|
WO/2023/110452A1 |
The invention relates to a hydraulic system (1) with at least two pressure-regulating pilot valves (2, 3) in a parallel circuit in order to set a working pressure (p_A). Each of the pressure-regulating valves (2, 3) has a valve slide (2A...
|
|
WO/2023/109049A1 |
Provided in the present application are an intelligent hydraulic system and a hydraulic jacking device. An oil path of the intelligent hydraulic system is provided with a first pressure measurement point for measuring an oil pressure of ...
|
|
WO/2023/107388A1 |
The subject matter of this specification can be embodied in, among other things, a fluid actuator system including a fluid actuator having a housing having an inner wall defining an interior cavity, a piston having a piston head configur...
|
|
WO/2023/105855A1 |
This hydraulic drive apparatus drives a plurality of hydraulic devices including at least first to third hydraulic devices by supplying a working fluid to the plurality of hydraulic device, said hydraulic drive apparatus comprising: a pl...
|
|
WO/2023/105719A1 |
In a straight traveling control valve 30: a spool 50 moves between a neutral position 30A and a straight traveling position 30B, said neutral position 30A being for making a third inlet port 45 communicate with a first outlet port 43 to ...
|
|
WO/2023/106037A1 |
Provided is a small and low-cost hydraulic transmission. When a fluid pressure is applied to a left driving pressure chamber 36, an internal piston 31 moves right, an operational fluid L2 in a right pressure chamber 35 is pushed out to...
|
|
WO/2023/104585A1 |
Disclosed is an apparatus for moving a plate (10) in opposite directions using a plurality of hydraulic actuators (1, 2, 3, 4), characterized in that at least one possible inclination of the plate (10) relative to a specifiable reference...
|
|
WO/2023/103208A1 |
A synchronous control valve, comprising a shuttle valve (12) and two first load sensitive valve groups (11). Each first load sensitive valve group comprises a reversing valve (111) and a differential pressure valve (112); the differentia...
|
|
WO/2023/100001A1 |
System and Method for Controlling a Hydraulic System on a Mobile Machine. A system for controlling a hydraulic supply (64) on a mobile machine (60) comprises electronic load sensing and is configured to predictively increase the pump sup...
|
|
WO/2023/100002A1 |
Mobile Machine with Hydraulic Supply System A mobile machine such as a tractor (60) has an engine (60A) and hydraulic supply system (64) including a pump supply (66) with a pump (MP) driven by the engine to provide a pressurised fluid at...
|
|
WO/2023/100000A1 |
System and Method for Controlling a Mobile Agricultural Machine with a Hydraulic System during a Headland Manoeuvre A control system (100) for mobile agricultural machine (60) having a hydraulic supply system (64) which includes electron...
|
|
WO/2023/100006A1 |
System and Method for Controlling a Hydraulic System on a Mobile Machine A control system for hydraulic supply system (64) which includes electronic load sensing is configured to adjust the pump supply pressure PSP in dependence on a det...
|
|
WO/2023/099999A1 |
In an electronic load sensing system for adjusting a pump (MP) of a hydraulic supply system (64) on a mobile machine (60), a pressure sensor (122-130) forwards an electronic load sensing pressure signal ELSPS indicative of a sensed load ...
|
|
WO/2023/100004A1 |
A mobile machine such as a tractor (60) has an engine (GOA) and hydraulic supply system including a pump driven by the engine to provide a pressurised fluid for consumers on the tractor or an attached implement (62). An electronic load s...
|
|
WO/2023/097928A1 |
A hydraulic system for downhole sliding sleeve zone selection and opening degree control, comprising: a zone selection nipple (4) comprising a group of hydraulic input ports, a group of hydraulic output ports, and a first group of hydrau...
|
|
WO/2023/100003A1 |
System and Method for Controlling a Hydraulic System on a Mobile Machine A system for controlling a hydraulic supply on a mobile machine (60) comprises electronic load sensing and is configured to enter a predictive mode of control in wh...
|
|
WO/2023/097872A1 |
An anti-deviation crawler travel hydraulic system, comprising a power module, a travel module and a control module. The power module and the control module respectively communicate with the travel module. The power module comprises an oi...
|
|
WO/2023/100005A1 |
A control system (100) for hydraulic supply system on a tractor includes an electronic load sensing (E-LS) system. The control system is configured to limit the pump supply pressure PSP so that the load sensing pressure LSP reported by a...
|
|
WO/2023/095739A1 |
A hydraulic system (1) includes: a variable-capacity type steering pump (21) which supplies working oil to a steering actuator (11); a variable-capacity type cargo pump (31) which supplies working oil to at least one cargo actuator (12);...
|
|
WO/2023/097200A1 |
A work machine (100) powered electrically by a conductor rod (106) includes a pneumatic control system (300) for moving the conductor rod (106) axially to contact power rails (108) along a haul route (101). The conductor rod (106) has a ...
|
|
WO/2023/093961A1 |
The present invention relates inter alia to a hydraulic device which may be used as a hydraulic transformer. The hydraulic device comprising a housing, a first tubular cavity and a second tubular cavity both being provided within the hou...
|
|
WO/2023/090500A1 |
The present invention provides a compressed air processing system capable of efficiently controlling compressed air supply and regeneration operations of the compressed air processing system by means of an electronic control device. In p...
|
|
WO/2023/083881A1 |
In a method for operating a fluid system (11), which fluid system has a control device (19) having a control functionality and has a piezo valve arrangement (20) which can be controlled by the control device (19), the method proceeds wit...
|
|
WO/2023/086556A1 |
The subject matter of this specification can be embodied in, among other things, a method that includes controlling, by a first fluid valve, a first fluid flow to a first fluid actuator, actuating, by the first fluid actuator, an output,...
|
|
WO/2023/077344A1 |
A hydraulic-pressure-based control system and method, lifting equipment, and crawler-type traveling equipment. The control system comprises: a handle (100), which is displaced according to an operation by a user; and a closed circuit (20...
|
|
WO/2023/080108A1 |
A hydraulic system (1) includes: a variable-capacity steering pump (21) which supplies a working oil to a steering actuator (11); a variable-capacity cargo pump (31) which supplies the working oil to at least one cargo actuator (12); a c...
|
|
WO/2023/078925A1 |
The invention discloses an electronic control unit of a hydraulic drive or for a hydraulic drive which has at least one power source and at least one subscriber which can be supplied with a physical variable by said power source and has ...
|
|
WO/2023/070896A1 |
A hydraulic system for adjusting and controlling a loading and unloading platform. The hydraulic system comprises: an actuating module (1) for driving the movement of a loading and unloading platform, an oil supply module (2) for providi...
|
|
WO/2023/074821A1 |
A shovel (100) comprises: an excavation attachment including a boom (4), an arm (5), and a bucket (6); a left main pump (14L) and a right main pump (14R) mounted on an upper turning body (3); a control valve (170) as a converging valve t...
|
|
WO/2023/074810A1 |
An excavator (100) comprises: a lower traveling body (1); an upper slewing body (3) that is mounted on the lower traveling body (1); an excavation attachment that is attached to the upper slewing body (3) and includes a boom (4), an arm ...
|
|
WO/2023/065625A1 |
An engineering machine electro-hydraulic composite energy storage driving system and a control method of the system. The system comprises: a plurality of pressure sensors, a generator controller (19) and an operating electric motor contr...
|
|
WO/2023/063770A1 |
Disclosed is a concentric type pneumatic motor comprising: a case having a cylindrical inner space; and a rotor having a rotational center shaft, which is concentric with respect to the rotational center axis of the case, being provided ...
|
|
WO/2023/050727A1 |
A front wheel drive system, comprising a load-sensitive pump; a first front wheel hydraulic motor having a first high-pressure port; a second front wheel hydraulic motor having a second high-pressure port; and a multi-way valve having an...
|
|
WO/2023/051906A1 |
The invention relates to an actuator device (10), having two working chambers (12, 14) which are coupled to one another in such a way that a volume increase in a first of the working chambers (12, 14) is associated with a volume decrease...
|
|
WO/2023/041473A1 |
The invention relates to a hydraulic drive system for operating a hydraulic cylinder in a first movement profile and in a second movement profile. The hydraulic drive system has a hydraulic cylinder comprising a first cylinder chamber an...
|
|
WO/2023/041113A1 |
For connecting high pressures and flows, a safety valve comprises: a first main stage which, in a rest position, connects the fluid outlet to a first relief outlet and, in a switched position, connects a fluid inlet to a fluid connection...
|
|
WO/2023/041476A1 |
The invention relates to a hydraulic drive system for operating a hydraulic cylinder in a first movement profile and in a second movement profile. The hydraulic drive system contains: a hydraulic cylinder comprising a first cylinder cham...
|
|
WO/2023/038390A1 |
The present invention relates to a jump exercise device using pneumatic pressure, and more specifically, to a jump exercise device using pneumatic pressure that allows adjusting the position of a piston in a pneumatic cylinder to adjust ...
|
