| 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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| 07/11/2012 | CN102555256A Hydraulic machine system and method for releasing load thereof |
| 07/11/2012 | CN102554152A Non-sinusoidal oscillation method for mold and hydraulic system for same |
| 07/11/2012 | CN102554100A Highly integrated hydraulic device for riveting machine |
| 07/11/2012 | CN102000680B High efficiency circulating cleaning pressurization hydraulic station |
| 07/11/2012 | CN101957295B Pumper arm support fatigue test excitation method and device with adaptive exciting force |
| 07/11/2012 | CN101900153B Energy-efficient hydraulic power supply driven by permanent magnet servo motor |
| 07/11/2012 | CN101787993B Method for improving hydraulic transmission rigidity of hydraulic system |
| 07/05/2012 | WO2012091942A1 Case flow augmenting arrangement for cooling variable speed electric motor-pumps |
| 07/05/2012 | WO2012091621A1 Apparatus for recovering hydraulic energy with means for enhancing heat exchange |
| 07/05/2012 | WO2012088991A1 Energy regeneration power generation system applicable to vehicle for loading, unloading and carrying |
| 07/05/2012 | DE102010056563A1 Fluidkühlvorrichtung Fluid cooling means |
| 07/05/2012 | CA2823129A1 Case flow augmenting arrangement for cooling variable speed electric motor-pumps |
| 07/04/2012 | EP2084336B1 A method for operating a working machine and a working machine |
| 07/04/2012 | CN202301295U 一种负压吸引器的双气源切换装置 A double gas source switching device's suction |
| 07/04/2012 | CN202301294U 数控卷板机液压装置 CNC bending machine hydraulic device |
| 07/04/2012 | CN202301293U 油路散热器 The oil radiator |
| 07/04/2012 | CN202301292U 液压机液压油冷却系统 Hydraulic machine hydraulic oil cooling system |
| 07/04/2012 | CN202301291U 挤压机液压回路降温系统 Extruders hydraulic circuit cooling system |
| 07/04/2012 | CN202301290U 可自动控制冷却风量的工程机械液压油冷却装置 Can automatically control the amount of cooling air engineering machinery hydraulic oil cooling device |
| 07/04/2012 | CN202301289U 液压系统高低压复合在线循环冲洗和试压装置 High and low pressure hydraulic systems and complex online rinse cycle pressure test device |
| 07/04/2012 | CN202301288U 一种车用集中回油装置 A vehicle with a centralized oil return device |
| 07/04/2012 | CN202301262U 摇摆驱动装置、泵送机构及混凝土泵车 Swing drives, pumping mechanism and concrete pump truck |
| 07/04/2012 | CN202301231U 液压油箱 Hydraulic Tank |
| 07/04/2012 | CN102536971A Energy recovery device for crane |
| 07/04/2012 | CN102536970A Hydraulic system for steel collection device |
| 07/04/2012 | CN102536969A Novel exhaust process of differential hydraulic cylinder |
| 07/04/2012 | CN102536968A Cooling protective device of hydraumatic reversing system |
| 07/04/2012 | CN102536967A Air treatment unit for automotive compressed air system |
| 07/04/2012 | CN102536966A Hydraulic system for adjusting work pressure |
| 07/04/2012 | CN102536965A Hydraulic station of quenching machine tool |
| 07/04/2012 | CN102536931A Reversal hydraulic driving system of raking machine |
| 07/04/2012 | CN102536923A Air booster pump oil storage cup and manufacturing process thereof |
| 07/04/2012 | CN102536516A Continuous flow thermodynamic pump |
| 07/04/2012 | CN102535567A Work device |
| 07/04/2012 | CN102527902A Hydraulic control system for riveting machine |
| 07/04/2012 | CN101886647B Servo water pressure control device |
| 07/04/2012 | CN101614225B Automatic discharge and self-cleaning filter device for emulsion pump station |
| 07/04/2012 | CN101303038B Intelligent air discharge system for hydraulic system pump front low-pressure end |
| 07/04/2012 | CN101253334B Independent metering valve control system and method |
| 06/28/2012 | WO2012087659A2 Over shaft rotary actuator with internal clamp |
| 06/28/2012 | WO2012086695A1 Pipe layer and warm-up method for pipe layer |
| 06/28/2012 | WO2012085999A1 Hydraulic control device of automatic transmission |
| 06/28/2012 | WO2012085998A1 Hydraulic control device |
| 06/28/2012 | WO2012037516A3 Valve actuator control system and method of use |
| 06/27/2012 | CN202284583U 一种液压油箱及其所应用的起重机 A hydraulic crane tank and applied |
| 06/27/2012 | CN102518624A Pressure-maintaining and pressure-relieving control system for large-tonnage cylinder of steel-tube finishing straightening machine |
| 06/27/2012 | CN102518623A Plug-in mounting type charging valve |
| 06/27/2012 | CN102518169A Hybrid hydraulic excavator |
| 06/27/2012 | CN102518022A Transmission system of full hydraulic road roller, road roller and kinetic energy recovery control method |
| 06/27/2012 | CN102516129A Production system of urea |
| 06/27/2012 | CN102513476A Fast feeding and low-speed extrusion steel reinforcing steel bar cold extrusion system and method |
| 06/27/2012 | CN102513413A Hydraulic control system for novel servo pump control bending machine |
| 06/27/2012 | CN101614231B Broad-spectrum-filtration vibration-absorbing silencer of hydraulic system |
| 06/27/2012 | CN101379302B Hydraulically driven industrial machine |
| 06/27/2012 | CN101121404B Brake hydraulic pressure control unit for vehicle |
| 06/23/2012 | CA2762592A1 A force limiting device |
| 06/21/2012 | WO2012082693A1 Flow regeneration hydraulic circuit |
| 06/21/2012 | WO2012082244A1 System and method for detection of piston pump failures on mobile machines |
| 06/21/2012 | WO2012082176A1 Hydraulic system with return pressure control |
| 06/21/2012 | WO2012081201A1 Drive control method for operating machine |
| 06/21/2012 | WO2012079732A1 Closed loop drive circuit with external brake assist |
| 06/21/2012 | WO2012079698A1 Compressed air supply installation, pneumatic system and method for operating a pneumatic installation |
| 06/21/2012 | US20120151903 Device for driving working equipment of a commercial vehicle |
| 06/21/2012 | DE112010002887T5 Steuervorrichtung für Hybrid-Baumaschine Controller for hybrid construction equipment |
| 06/21/2012 | DE102011109500A1 Druckluftversorgungsanlage, pneumatisches System und Verfahren zum Betreiben einer Pneumatikanlage Compressed air supply system, pneumatic system and method of operating a pneumatic system |
| 06/21/2012 | DE102010054713A1 Druckluftversorgungsanlage, pneumatisches System und Verfahren Compressed air supply system, pneumatic system and method |
| 06/21/2012 | DE102010054712A1 Druckluftversorgungsanlage und pneumatisches System Compressed air supply system and pneumatic system |
| 06/21/2012 | DE102010054709A1 Air dryer system for use in compressed air supply system for operating air suspension system of e.g. commercial vehicle, has check valve formed as unlockable check valve that is operated in unlocking operation |
| 06/21/2012 | DE102010054704A1 Druckluftversorgungsanlage und pneumatisches System Compressed air supply system and pneumatic system |
| 06/21/2012 | DE102010054699A1 Druckluftversorgungsanlage und pneumatisches System Compressed air supply system and pneumatic system |
| 06/20/2012 | EP2466151A1 Pressure-compensated accumulator bottle |
| 06/20/2012 | EP2466082A2 Methods and systems for performing, monitoring and analyzing multiple machine fluid processes |
| 06/20/2012 | EP2466018A1 Closed loop drive circuit with external brake assist |
| 06/20/2012 | CN202281404U Hydraulic oil cylinder loop device for solar daylighting panel |
| 06/20/2012 | CN202280696U Pumping equipment and hydraulic system |
| 06/20/2012 | CN202280695U 液压油初级滤油器 Primary hydraulic oil filter |
| 06/20/2012 | CN102506031A Hydraulic pipeline fluid pulse active inhibition method based on bilateral overflow principle |
| 06/20/2012 | CN101576105B Flushing valve |
| 06/19/2012 | US8201404 Motor control device for construction machinery |
| 06/14/2012 | DE112010002886T5 Hybrid-Baumaschine Hybrid construction equipment |
| 06/14/2012 | DE112010002883T5 Steuervorrichtung für Hybrid-Baumaschine Controller for hybrid construction equipment |
| 06/14/2012 | DE102010062936A1 Hydraulikaggregat Hydraulic unit |
| 06/14/2012 | DE102010054063A1 Air conditioning unit for compressed air system of commercial vehicle e.g. car, has valve closed in conveying phases and connecting system region with path in regeneration phases, where path has regeneration non-return valve and diaphragm |
| 06/14/2012 | DE102010053923A1 Fluidkühlvorrichtung Fluid cooling means |
| 06/13/2012 | CN202273944U 微行程双作用激振液压缸 Micro-stroke double-acting hydraulic cylinder excitation |
| 06/13/2012 | CN202273943U 直进式液压油散热器 Straight hydraulic oil cooler |
| 06/13/2012 | CN202273942U 横进式液压油散热器 Cross into the hydraulic oil cooler |
| 06/13/2012 | CN202273941U 打包机液压油的冷却系统 Baler hydraulic oil cooling system |
| 06/13/2012 | CN202273681U 矿用挖掘装岩机柴电两用液压驱动系统 Mine mining rock loader hydraulic dual diesel-electric drive system |
| 06/13/2012 | CN102493976A Power control system and control method for engineering machinery |
| 06/13/2012 | CN102493975A Oil absorption switching device and hydraulic oil tank with same |
| 06/13/2012 | CN102493966A Motor control device for construction machinery |
| 06/13/2012 | CN102493843A Automatic control system of waterproof gate for mine and control method thereof |
| 06/13/2012 | CN101542048B A method for operating a working machine and a working machine |
| 06/13/2012 | CN101377211B Liquid sealing hole plate type respirator |
| 06/13/2012 | CN101033762B Filter circuit for a vehicle hydraulic system |
| 06/07/2012 | WO2012075441A1 Regenerative hydraulic pump |
| 06/07/2012 | WO2012074678A2 A device for directing the flow a fluid using a pressure switch |
| 06/07/2012 | WO2012047256A3 Electromagnetic flow regulator, system, and methods for regulating flow of an electrically conductive fluid |
| 06/07/2012 | CA2818967A1 A device for directing the flow of a fluid using a pressure switch |