| Patents for F15B 21 - Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass (10,959) |
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| 03/27/2013 | CN101225838B Hydraulic valve arrangement |
| 03/21/2013 | WO2013039719A1 Temperature compensated accumulator |
| 03/21/2013 | DE102011113361A1 Fluidventilanordnung mit einem bistabilen Fluidventil Fluid valve assembly with a bistable fluid valve |
| 03/20/2013 | EP2570381A1 Traveling hydraulic handling machine of energy-saving type |
| 03/20/2013 | EP2570301A1 Hydraulic arrangement and method for lowering a tipping frame of a hooklift |
| 03/20/2013 | EP2569136A1 Method for operating a hybrid drive and hybrid drive |
| 03/20/2013 | CN202814052U Lime rotary kiln hydraulic controlling system and lime rotary kiln |
| 03/20/2013 | CN202812740U Magnetic screwed plug of oil tank |
| 03/20/2013 | CN202811665U Water-cooled cooling mechanism for hydraulic molding machine |
| 03/20/2013 | CN202811664U Oil supply system of hydraulic pump station and oil cutoff circuit thereof |
| 03/20/2013 | CN202811663U Self-locking linkage device for reeling and unreeling hydraulic lifting system |
| 03/20/2013 | CN202811662U Pneumatic element dustproof cover |
| 03/20/2013 | CN202811661U Double-pump double-oil-way hydraulic pressure station for ball-disc friction machine |
| 03/20/2013 | CN202811660U Vehicle-mounted hydraulic power unit |
| 03/20/2013 | CN202811659U Hydraulic power unit with manual or motor-operated switch |
| 03/20/2013 | CN202811658U Compact type hydraulic power unit |
| 03/20/2013 | CN202811657U Hydraulic control desk |
| 03/20/2013 | CN202811656U Hydraulic operating box |
| 03/20/2013 | CN202811604U Hydraulic distributor |
| 03/20/2013 | CN202811602U Overflow module and overflow circuit and engineering machinery including overflow circuit |
| 03/20/2013 | CN202811582U Forklift hydraulic control system and forklift |
| 03/20/2013 | CN202811569U Novel oil tank |
| 03/20/2013 | CN202811568U 液压油箱 Hydraulic Tank |
| 03/20/2013 | CN202808438U Membrane-method seawater desalination pressurization and energy recovery integrated device |
| 03/20/2013 | CN202808436U Sea water desalination energy recovery device |
| 03/20/2013 | CN202805719U Fine blanking machine alternating current servo fluid power system |
| 03/20/2013 | CN102985701A Fluid storage tank configured to remove entrained air from fluid |
| 03/20/2013 | CN102985620A Hydraulic shovel |
| 03/20/2013 | CN102979788A Pneumatic mechanical positioning control method |
| 03/20/2013 | CN102979787A Hydraulic three-position control mechanism with automatic middle position returning function |
| 03/20/2013 | CN102979786A Load calculation method of elevator executive component |
| 03/20/2013 | CN102979693A Device capable of realizing continuous constant flow pumping of concrete and control method of device |
| 03/20/2013 | CN102979070A Motor system for lifting ocean platform and load unbalance monitoring and controlling method of motor system |
| 03/20/2013 | CN102976222A Device, method and system for controlling input load power of engineering machinery and hydraulic system |
| 03/20/2013 | CN102975031A Self-adoption multi-oil chamber constant static pressure system with big flow variation range |
| 03/20/2013 | CN102418725B Pumping equipment and distribution hydraulic system |
| 03/19/2013 | US8397760 Electromagnetic flow regulator, system, and methods for regulating flow of an electrically conductive fluid |
| 03/19/2013 | CA2727343C Manifold system |
| 03/14/2013 | WO2013035815A1 Excavator and control method for excavator |
| 03/14/2013 | WO2013035521A1 Hydraulic system for work machine |
| 03/14/2013 | WO2013035484A1 Work machine |
| 03/14/2013 | WO2012162235A3 Pump system having open-loop torque control |
| 03/14/2013 | DE112011101710T5 Hybrid betriebene Maschine Hybrid-powered machine |
| 03/14/2013 | DE102011053409A1 Method for changing and monitoring position of electromagnetic operated valve of steam trap for compressed gas system, involves comparing measuring current or impedance value of valve coil with value corresponding to target position |
| 03/13/2013 | CN202790204U Hydraulic main cylinder assembly with dynamic vibration isolator of vehicle clutch |
| 03/13/2013 | CN202789875U Control system for hydraulic universal testing machine |
| 03/13/2013 | CN202789874U Double-variable closed pump control electro-hydraulic position servo system |
| 03/13/2013 | CN202789873U Box type hydraulic oil filter device |
| 03/13/2013 | CN202789872U High flow one-way valve for filter |
| 03/13/2013 | CN202789871U Integral type large flow one-way valve |
| 03/13/2013 | CN202789870U Steering oil cooling device for vehicle |
| 03/13/2013 | CN202789869U Greasy dirt dustproof filter |
| 03/13/2013 | CN202789868U Dustproof filter for hydraulic oil |
| 03/13/2013 | CN202789867U Automatic preheating device for hydraulic system of crane |
| 03/13/2013 | CN202789866U Hydraulic system cooler for automatic door of vehicle |
| 03/13/2013 | CN202789865U Overload protection structure for heat exchanger |
| 03/13/2013 | CN202789864U Hydraulic oil radiator with overload protection |
| 03/13/2013 | CN202789863U System for pipe line washing and hydraulic oil self-circulation heating of hydraulic system |
| 03/13/2013 | CN202789862U Special oiling device for multifunctional deep sea hydraulic system |
| 03/13/2013 | CN202789861U Simple load sensory system |
| 03/13/2013 | CN202789860U Hydraulic station used for liquid viscosity soft start device |
| 03/13/2013 | CN202789859U Hydraulic energy-saving temperature controlling system for loader working equipment |
| 03/13/2013 | CN202789858U Hydraulic station |
| 03/13/2013 | CN202789857U Portable hydraulic device for helicopter |
| 03/13/2013 | CN202789851U Split type electro-hydraulic push rod with built-in sensor |
| 03/13/2013 | CN202789809U Vibration valve of single vibratory road roller with vibration absorbing function |
| 03/13/2013 | CN202789796U Programmable logic controller (PLC) multi-point synchronization jacking up hydraulic system |
| 03/13/2013 | CN202789784U Hydraulic system with fine adjustment function |
| 03/13/2013 | CN202789779U Wheel type crane and hydraulic oil tank thereof |
| 03/13/2013 | CN202789778U Hydraulic oil tank dustproof device for heading machine |
| 03/13/2013 | CN202789354U Separating type flexible speeder based on inner curve hydraulic motor |
| 03/13/2013 | CN202778571U Hydraulic automatic adjusting device for discharge opening of jaw crusher |
| 03/13/2013 | CN102971542A Power regeneration device for work machine |
| 03/13/2013 | CN102966643A Mechanical rotary type pulse gas generator |
| 03/13/2013 | CN102966642A Automatic temperature control system for mine operating car |
| 03/13/2013 | CN102966641A High/low-pressure composite online circulating flushing and pressure testing device for hydraulic system |
| 03/13/2013 | CN102966640A Method for selecting hydraulic power source of hydraulic system |
| 03/13/2013 | CN102966639A Method for assembling and debugging hydraulic system element of milling cutter machine tool |
| 03/13/2013 | CN102966638A Method for drawing combined hydraulic system diagram |
| 03/13/2013 | CN102966637A Intermittent hydraulic system |
| 03/13/2013 | CN102966636A Hydraulic device energy saving method capable of effectively reducing starting large current |
| 03/13/2013 | CN102966635A Consumption reduction method of hydraulic system of friction welding machine |
| 03/13/2013 | CN102966634A Hydraulic pump station energy saving method applicable to load pressure |
| 03/13/2013 | CN102966633A Energy-saving control technique of hydraulic variable pump system |
| 03/13/2013 | CN102966632A Energy-saving consumption reduction method of hydraulic system of friction welding machine |
| 03/13/2013 | CN102966631A Rated flow and pressure determining method of elevator hydraulic pump |
| 03/13/2013 | CN102966611A Hydraulic fixing device for shipped wind power tower |
| 03/13/2013 | CN102966610A Connection method of round can type oil tank of hydraulic system |
| 03/13/2013 | CN102966386A Electro-hydraulic servo control device |
| 03/13/2013 | CN102966140A Energy-saving control method for double pumps of work hydraulic system of loader |
| 03/13/2013 | CN102962972A Hydraulic system of injection molding machine with servo pump |
| 03/13/2013 | CN102962232A High-pressure pulsed turbulent flow pipeline flushing system |
| 03/13/2013 | CN102384132B Hydraulic component connecting device and hydraulic component group and engineering machine |
| 03/13/2013 | CN102296663B Hydraulic system for recovering potential energy |
| 03/13/2013 | CN102135122B Variable frequency and jet flow oscillator |
| 03/13/2013 | CN102079332B Steering and braking small-flow shared pump hydraulic system |
| 03/13/2013 | CN102042217B Piston lubricating system for concrete cylinder |
| 03/13/2013 | CN102030265B Crane hydraulic system for load sensitive ship |
| 03/13/2013 | CN101652575B Method for operating a multiple speed hydraulic motor |
| 03/13/2013 | CN101370987B Control system for a work machine and method for controlling a hydraulic cylinder |