| 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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| 08/28/2013 | CN102405366B Arrangement for sealing an electric drive for hydraulic valves |
| 08/28/2013 | CN102203352B Work machine drive control device |
| 08/28/2013 | CN102155443B Alternating-current hydraulic pressure inversion control system and control method thereof |
| 08/22/2013 | WO2013122531A1 Separate hydraulic unit with cooling of oil |
| 08/22/2013 | DE102013001581A1 Hydraulische Schaltung für den Strebausbau Hydraulic circuit for the longwall |
| 08/22/2013 | DE102012101231A1 Hydrostatisches Antriebssystem Hydrostatic drive system |
| 08/22/2013 | DE102012101120B4 Hydraulisch angetriebene Anordnung zum linearen Bewegen eines Massekörpers Hydraulically driven arrangement for linear movement of a mass body |
| 08/21/2013 | EP2628862A2 Mobile work machine with energy recovery for driving the motor cooling |
| 08/21/2013 | CN203146485U Buffer device of hydraulic system |
| 08/21/2013 | CN203146484U Driving mechanism of anchor cable stretch-draw instrument matched with fully-mechanized excavating machine for use |
| 08/21/2013 | CN203146483U Double clip type sealing device for upper cover of hydraulic oil station |
| 08/21/2013 | CN203146455U Hydraulic oil tank and engineering machine provided with same |
| 08/21/2013 | CN203145827U Trestle type column all-hydraulic drill for coal mine |
| 08/21/2013 | CN103261751A Hydraulic control device of automatic transmission |
| 08/21/2013 | CN103261709A Hydraulic control system having energy recovery |
| 08/21/2013 | CN103261536A Closed loop drive circuit with external brake assist |
| 08/21/2013 | CN103261535A Flow regeneration hydraulic circuit |
| 08/21/2013 | CN103256278A Energy recovery system for load sensing hydraulic system |
| 08/21/2013 | CN103256277A Universal hydraulic station energy-saving method |
| 08/21/2013 | CN103256266A Construction machinery supporting leg synchronous control device and construction machinery |
| 08/21/2013 | CN103256265A Hydrostatic drive system |
| 08/21/2013 | CN103256262A Mine hydraulic oil tank preventing flushing and leakage |
| 08/21/2013 | CN103256261A Oil tank for excavator hydraulic system |
| 08/21/2013 | CN102434544B High-pressure energy recovering system for urea solution |
| 08/21/2013 | CN102016259B Hydraulic reversing fan valve and machine using same |
| 08/21/2013 | CN101709732B Reverse filling exhaust method of hydraulic pipeline of clutch booster |
| 08/15/2013 | US20130205766 Hydrostatic Transmission |
| 08/14/2013 | EP2625434A2 Force-equalization stationary-coil actuator for fluid movers |
| 08/14/2013 | DE112009004531B4 System zum Versorgen von Maschinendichtungen mit Trockengas und Verfahren zum Bereitstellen sauberen Trockengases für Gasdichtungen in Maschinen System for supplying machines with the dry gas seals and method for providing clean dry gas for gas seals in the machine |
| 08/14/2013 | DE102012101120A1 Hydraulically-driven arrangement for linearly moving mass body e.g. inlet flap, in plastic spraying machine, has stroke areas attached to accumulator that is connected with connections and with connection line on side in direction of valve |
| 08/14/2013 | DE102012009669B3 Vorrichtung zur Energieeinsparung bei hydraulisch betätigbaren Arbeitsgerätschaften An energy saving in hydraulically operable working instruments |
| 08/14/2013 | DE102012009668B3 Vorrichtung zur Energieeinsparung bei hydraulisch betätigbaren Arbeitsgerätschaften An energy saving in hydraulically operable working instruments |
| 08/14/2013 | CN203130678U Hydraulic electric combined control system of horizontal directional drilling machine |
| 08/14/2013 | CN203130677U Hydraulic circuit having self-preheating function and excavator comprising hydraulic circuit |
| 08/14/2013 | CN203130676U Refrigerating device of oil press |
| 08/14/2013 | CN203130675U Hydraulic covering machine oil tank cooling device |
| 08/14/2013 | CN203130674U Internally-installed water cooling and dedusting device of heading machine oil box |
| 08/14/2013 | CN203130673U Hydraulic driving device for drum-shaped filter screen of nuclear power station |
| 08/14/2013 | CN203130672U Double-pump oil supply system |
| 08/14/2013 | CN203130453U Adjustment hydraulic actuator of air capacity of compressor |
| 08/14/2013 | CN203124025U Hydraulic lubricating integrated machine of single-cylinder hydraulic cone crusher |
| 08/14/2013 | CN103244516A Bucket rod gravitational potential energy recycling regeneration device for tension spring energy storage cylinder type excavator |
| 08/14/2013 | CN103244515A Excavator hydraulic system with bypass filtering device |
| 08/14/2013 | CN103244514A Plastic oil return part |
| 08/14/2013 | CN103244513A Oil-suction filter plastic part |
| 08/14/2013 | CN103244512A Oil filter |
| 08/14/2013 | CN103244511A Improved oil filter |
| 08/14/2013 | CN103244510A Oil supplementing system for hydraulic motor |
| 08/14/2013 | CN103244509A Tee-joint pressure compensator of metering pump load-sensitive hydraulic system |
| 08/14/2013 | CN103244500A Multifunctional hydraulic device |
| 08/14/2013 | CN103243750A Potential energy recycling device with combined energy accumulator for moving arm of loading machine |
| 08/14/2013 | CN103239932A Oil-saving oil filter |
| 08/14/2013 | CN103239931A Rapid oil filter |
| 08/14/2013 | CN103239924A High-efficiency oil filter |
| 08/14/2013 | CN103239922A Filter |
| 08/08/2013 | WO2013115986A1 System and method for maintaining constant loads in hydraulic systems |
| 08/08/2013 | WO2012091942A8 Case flow augmenting arrangement for cooling variable speed electric motor-pumps |
| 08/08/2013 | US20130199168 Apparatus and Method for Recuperation of Hydraulic Energy |
| 08/08/2013 | DE102012002435A1 Hydraulic drive system, has continuously adjustable inlet aperture, and control unit for providing command signal, where control unit is utilized for lowering control flow rates with respect to nominal volume flow when deficiency exists |
| 08/07/2013 | EP2622230A1 Fluid actuator for influencing the flow along a flow surface, as well as blow-out device and flow body comprising a like fluid actuator |
| 08/07/2013 | EP2622229A1 Compressed air maintenance unit, and consumer control device equipped with the same |
| 08/07/2013 | CN203114799U No-load energy-saving control device of loader-digger hydraulic system |
| 08/07/2013 | CN203114798U Energy-saving servo hydraulic station |
| 08/07/2013 | CN203114797U Oil-returning and oil-filtering device for mine hoist hydraulic station |
| 08/07/2013 | CN203114796U Magnetic filtering valve |
| 08/07/2013 | CN203114795U Bi-directional liquid filtering system |
| 08/07/2013 | CN203114794U Hydraulic oil tank refrigerating system |
| 08/07/2013 | CN203114793U Radiating tube of oil radiator |
| 08/07/2013 | CN203114792U Hydraulic oil forced cooling system of explosion-proof diesel engine vehicle |
| 08/07/2013 | CN203114791U Double-acting filtering device and filtering vehicle using double-acting filtering device |
| 08/07/2013 | CN203114790U Hydraulic rotating connector |
| 08/07/2013 | CN203114789U Energy saving and noise reduction hydraulic system |
| 08/07/2013 | CN203114788U Oil drain device for overhaul of oil cylinder of hydraulic hoist |
| 08/07/2013 | CN203114761U Hydraulic control device of hydraulic lap shaver |
| 08/07/2013 | CN203114760U Hydraulic oil feeding system of oil-liquid hybrid power concrete mixer |
| 08/07/2013 | CN203114759U Secondary sedimentation hydraulic oil tank applied to backhoe loader |
| 08/07/2013 | CN203114758U Forklift hydraulic oil tank with breath cushioning structure |
| 08/07/2013 | CN203114168U Double-caterpillar band independent walking drilling machine hydraulic system |
| 08/07/2013 | CN203112851U Pass-type hydraulic control device for hydraulic wringing machine |
| 08/07/2013 | CN103237996A Electromagnetic flow regulators, systems, and methods for regulating flow of electrically conductive fluid |
| 08/07/2013 | CN103237995A Electromagnetic flow regulators, systems, and methods for regulating flow of electrically conductive fluid |
| 08/07/2013 | CN103233947A Method for cooling hydraulic oil of underground coal mine loader digger and other equipment |
| 08/07/2013 | CN103233946A Backstepping control method of pneumatic position servo system |
| 08/07/2013 | CN103233941A Multistage pressure cylinder and pressurization usage method and depressurization usage method thereof |
| 08/07/2013 | CN103233933A Manual operation oil pump hydraulic system for anchor shank tension meter |
| 08/07/2013 | CN103233930A Hydraulic station for furnace-top sealing |
| 08/07/2013 | CN103233927A Hydraulic control system of hydraulic tower crane and hydraulic tower crane |
| 08/07/2013 | CN102516129B Production system of urea |
| 08/07/2013 | CN102442716B Valve control type energy recovery unit device |
| 08/06/2013 | US8499552 Method and hydraulic control system for supplying pressure medium to at least one hydraulic consumer |
| 08/06/2013 | DE202013006621U1 Energieverbrauchsreduzierende Vorrichtung für pneumatische Antriebseinheiten Energieverbrauchsreduzierende device for pneumatic drive units |
| 08/01/2013 | WO2013111707A1 Hybrid construction machine |
| 08/01/2013 | WO2013111705A1 Circuit pressure control apparatus, hydraulic pressure control circuit using this circuit pressure control apparatus, and hydraulic pressure control circuit of construction equipment |
| 08/01/2013 | WO2012113512A3 Hydraulic fan drive |
| 08/01/2013 | US20130192454 Control device for a reservoir charging pump of the braking system of a vehicle and method for operating a reservoir charging pump of the braking system of a vehicle |
| 08/01/2013 | DE102008045067B4 Verfahren zum Betreiben eines Lufttrockners von druckluftbetriebenen Teilsystemen eines Fahrzeugs sowie Lufttrockner A method of operating an air dryer by air driven subsystems of a vehicle air dryer and |
| 08/01/2013 | DE102006023632B4 Druckluftversorgungseinrichtung für ein Nutzfahrzeug Compressed air supply device for a utility vehicle |
| 07/31/2013 | CN203098483U Control system of hydraulic system |
| 07/31/2013 | CN203098482U Cooler with oil pipes arranged in cross mode to radiate |
| 07/31/2013 | CN203098481U Engineering machinery oil way temperature automatic control system |