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Patent Searching and Data


Matches 551 - 600 out of 8,068

Document Document Title
WO/2013/019656A2
The invention relates to a process flow scheme for Hydraulic Transient Energy Generation. The invention is based on the principle of hydraulic transients involving conversion of kinetic energy into potential (pressure) energy. The Hydrau...  
WO/2013/015022A1
Provided is a construction machine capable of obtaining a great fuel consumption reduction effect, by efficiently using recovered energy. The construction machine comprises: at least two actuators (7, 8); a main pump (3) that generates...  
WO/2013/015467A1
Disclosed is a hydraulic system for controlling the degree of openness of an arm regeneration valve by driving an electronic proportional control valve during a combined operation of simultaneously operating an arm and a swing device. Th...  
WO/2013/016471A1
An enhanced hydraulic fluid comprises a conventional hydraulic fluid in combination with a predetermined amount of benzene by volume relative to the conventional hydraulic fluid. The predetermined amount of benzene preferably comprises b...  
WO/2012/166224A3
A hydraulic control system (48) for a machine (10) is disclosed. The hydraulic control system may have a hydraulic circuit (50), a pump (52) configured to supply pressurized fluid, and a first sensor (105) configured to generate a first ...  
WO/2012/166225A3
A hydraulic control system (48) for a machine (10) is disclosed. The hydraulic control system may have a hydraulic circuit (50), and a pump (58) configured to supply pressurized fluid to the hydraulic circuit. The hydraulic control syste...  
WO/2013/007061A1
A series cylinder and a stroke end adaptive compensation method thereof, and a concrete pumping device comprising the series cylinder. The compensation method comprises: disposing, on at least one of a first U-shaped pipe (11) and a seco...  
WO/2013/005809A1
A shovel related to an embodiment of the present invention is a shovel that includes a boom cylinder (7) and an arm cylinder (8). The shovel includes a hydraulic motor (310) that is driven by a hydraulic oil flowing out from the boom cyl...  
WO/2013/004521A2
The present invention relates to a braking system module (1), such as an coilbox (2), comprising a housing (3) and a connector (6). The connector comprises a connector body (7) and contact elements (8) defining a connection interface (9)...  
WO/2012/145290A3
First and second mechanical hydraulic valves (342, 340) are disposed between a pump (180) and the cap side chamber (170) of an actuator (132) and the pump (180) and the rod chamber (168) of the pump (180). The first and second valves (34...  
WO/2013/000549A2
The invention relates to a pressure medium system, in particular a hydraulic system, having a fluid pump (1) for delivering a drive fluid with a certain delivery flow rate and a certain fluid pressure (PIST), and having a control unit (8...  
WO/2012/176762A1
This railcar damping device (1) includes: a tank (7) storing a liquid that is supplied to and discharged from a cylinder (2) of an actuator; a first open/close valve (9) provided in and being capable of opening/closing a first passage (8...  
WO/2012/154463A3
Methods, apparatuses, and computer program products for controlling the torque load of multiple variable displacement hydraulic pumps are described herein. A pump displacement limit for each variable displacement hydraulic pump is determ...  
WO/2012/176758A1
This railcar damping device (1) includes: a tank (7) storing a liquid that is supplied to and discharged from a cylinder (2) of an actuator; a first open/close valve (9) provided in and being capable of opening/closing a first passage (8...  
WO/2012/175100A1
The invention relates to an actuating device (10) for variably setting at least one compression ratio of an internal combustion engine, in particular a reciprocating internal combustion engine, having at least one hydraulically operable ...  
WO/2012/172949A1
A hydraulic shovel configured so that air is efficiently supplied to cooling devices for the hydraulic shovel. This hydraulic shovel is provided with a cooling unit (20) and also with a rear outer cover door (21) and a front outer cover ...  
WO/2012/173149A1
Provided is a power regeneration device for work machine, the power regeneration device comprising: an oil passage (31) which is connected to a bottom-side oil pressure chamber of an oil pressure cylinder (3a) and through which return oi...  
WO/2012/173815A2
A closed hydrostatic circuit (10) with variable charge and variable flushing systems is disclosed. A variable displacement charge pump (47) is configured to supply charge fluid and pilot control fluid to the hydrostatic circuit. An elect...  
WO/2012/087659A3
An over shaft rotary actuator with an internal clamp arrangement is provided. The actuator includes an internal clamp arrangement carried within a housing. A drive train and a motor also carried within the housing and mechanically couple...  
WO/2012/167892A2
The invention relates to a hydropneumatic device having pressure intensification, wherein the hydropneumatic device has a working part (8) having a working piston guided in the working part (8) has a intensifier part (9) having a intensi...  
WO/2012/166022A1
As such, the present invention relates to a hydraulic system (10) for a working machine (101). The hydraulic system (10) comprises a hydraulic actuator (12) and a first hydraulic machine (14) for supplying fluid to the hydraulic actuator...  
WO/2012/166224A2
A hydraulic control system (48) for a machine (10) is disclosed. The hydraulic control system may have a hydraulic circuit (50), a pump (52) configured to supply pressurized fluid, and a first sensor (105) configured to generate a first ...  
WO/2012/166223A2
A hydraulic control system (48) is disclosed. The hydraulic control system may have a hydraulic actuator (20), a valve arrangement (54), and an operator input device (98) configured to generate a first signal indicative of a desired hydr...  
WO/2012/166035A1
Pressure pulse generator comprising a cylinder (2), a body (9) connected to the cylinder (2), a first channel (15) extending from the cylinder (2) to a pressure sink LP, a pressure fluid circuit having a second channel (4) extending to t...  
WO/2012/166225A2
A hydraulic control system (48) for a machine (10) is disclosed. The hydraulic control system may have a hydraulic circuit (50), and a pump (58) configured to supply pressurized fluid to the hydraulic circuit. The hydraulic control syste...  
WO/2012/135242A3
A system (55) for controlling power in a machine (10) includes an interface (56) and a controller (58) configured to receive a signal indicative of a requested hydraulic operation of a hydraulic actuator (24) corresponding to a requested...  
WO/2012/165773A2
The present invention relates to a miniature actuator using bubbles, which is configured so to be capable of changing the internal pressure thereof according to the growth and disappearance of bubbles on a cavity interface and for the re...  
WO/2012/165471A1
A railway car vibration control device (1) is provided with actuators (A1, A2) comprising: a cylinder (2) which is linked to a railway car truck; a piston (3); a rod (4) which is linked to the piston and to a vehicle body; a rod-side cha...  
WO/2012/163878A1
The invention relates to a method for cooling a metallic strand in a strand guide of a strand casting machine, and to a switching valve for intermittently permitting and shutting off a volume flow of a cooling medium. The problem address...  
WO/2012/162235A2
A pump system (24) is disclosed. The pump system may have a pump (28) with a displacement that is variable, and an actuator (34) movable to adjust the displacement of the pump. The pump system may also have an electro- hydraulic valve (3...  
WO/2012/160985A1
Provided is an electric drive system for a construction machine that is capable of increasing the operating time, which is limited by a power storage device mounted on the construction machine, over systems of the prior art, due to the p...  
WO/2012/161721A1
Provided is a de-aeration device that de-aerates hydraulic fluid in a hydraulic system (10). The hydraulic fluid is controllably supplied to the de-aeration device (28) in response to one or more sensed parameters. Consequently, the de-a...  
WO/2012/161628A1
The object of the present invention is to provide an inventive energy recovery method for a hydraulic system comprising a hydraulic cylinder (1), a pump (2), a tank (3), a supply conduit (4), a return conduit (5), and a hydraulic accumul...  
WO/2012/155883A1
The invention relates to a vent connection for liquid filling and ventilating in a hydraulic coupling disengagement system of a motor vehicle, comprising a ventilating valve and a pipe housing. Said ventilating valve is arranged so that ...  
WO/2012/118773A3
A hydraulic control system (48) is disclosed. The hydraulic control system may have a pump (52), a plurality of actuators (20, 26), and a plurality of valve arrangements (54, 56) configured to meter pressurized. The hydraulic control sys...  
WO/2012/119576A3
The invention relates to a device (1) for damping pressure vibrations within a hydraulic system, wherein the hydraulic system comprises a master cylinder and a slave cylinder that are hydraulically interconnected by way of a pressure lin...  
WO/2012/121931A3
A controller for mobile hydraulic equipment includes a radio receiver, hydraulic controller, and display unit. The controller further includes terminals configurable to function as a combination of analog or digital inputs or outputs acc...  
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/2012/156107A1
The invention relates to a bearing device (01) for a rotary member in a printing press. Said bearing device comprises a housing (02), a bearing block (03) that is connected to the housing by means of at least one linear bearing (06) and ...  
WO/2012/152382A1
The invention relates to a clutch transmission (2), especially a dual clutch transmission for a motor vehicle, comprising at least one clutch (K1, K2) and at least one gear selector (155, 155', 157, 157'), said gear selector (155, 155', ...  
WO/2012/153429A1
In relation to fluid pressure devices, a connection apparatus (18a, 18b), by which a filter (12), a regulator (14) and a lubricator (16) that constitute a fluid pressure unit (10) are mutually connected, is equipped with a base member (8...  
WO/2012/154463A2
Methods, apparatuses, and computer program products for controlling the torque load of multiple variable displacement hydraulic pumps are described herein. A pump displacement limit for each variable displacement hydraulic pump is determ...  
WO/2012/153430A1
In a case structure for a fluid pressure device, a filter (12) that constitutes part of a fluid pressure unit (10) is equipped with a first body (20), a case unit (22) connected to a lower portion of the first body (20), and a filter uni...  
WO/2012/120218A3
A method for monitoring a variable-geometry actuation system (1) of a turbojet engine is disclosed. Said actuation system comprises a control device (2), a servo-valve (3), an a cylinder (4) that is controlled by the servo-valve (2), the...  
WO/2012/122203A3
An unloader assembly and method for unloading a compressor, with the unloader assembly including one or more fingers configured to engage one or more valve elements of a suction valve of the compressor. The unloader assembly also include...  
WO/2012/145290A2
First and second mechanical hydraulic valves (342, 340) are disposed between a pump (180) and the cap side chamber (170) of an actuator (132) and the pump (180) and the rod chamber (168) of the pump (180). The first and second valves (34...  
WO/2012/082326A3
A hydraulic control system (48) for a machine (10) is disclosed. The hydraulic control system (48) may have a tank (64), a pump (51) configured to draw fluid from the tank (64) and pressurize the fluid, a swing motor (43) configured to r...  
WO/2012/144412A1
The present invention, which relates to a hydraulic circuit for a ram cylinder and the purpose of which is to cause redundantly provided supply/discharge circuits for a ram cylinder to exhibit multiple functions, is characterized by comp...  
WO/2012/141623A1
The invention relates to a method for reducing vibrations in a working machine. The working machine comprises a hydraulic system with a hydraulic machine (102) for providing hydraulic fluid to at least one working function (105). The hyd...  
WO/2012/133104A1
[Problem] To provide a hydraulic system for a hydraulic working machine, the hydraulic system being configured so that the influence of the impairment of the responsiveness to the control of the speed of an actuator is reduced to a minim...  

Matches 551 - 600 out of 8,068