Patents
Patents for F16D 31 - Fluid couplings or clutches with pumping sets of the volumetric type, i.e. in the case of liquid passing a predetermined volume per revolution (2,451)
03/2015
03/05/2015DE102010049059B4 Drehmomentübertragungseinrichtung Torque transfer device
03/03/2015US8966891 Meterless hydraulic system having pump protection
03/03/2015US8966890 Method and arrangement for active make-up in an overrunning actuator
03/03/2015US8966889 Energy harvesting passive and active suspension
03/03/2015US8966888 Self-contained modular actuator
02/2015
02/26/2015WO2015027157A1 Limited-slip driveline apparatus
02/24/2015US8959906 Gas boosters
02/17/2015US8955315 Hydroelectric generator
02/10/2015US8950181 Energy storage system
02/03/2015US8943820 Method for controlling a pump and motor system
02/03/2015US8943818 Hydraulic device for stepless transmission
01/2015
01/29/2015WO2015010700A1 Fluid system
01/27/2015US8938957 Wave responsive electrical generator
01/27/2015US8938956 Method of operating an energy recovery cylinder
01/14/2015EP2824351A2 Driving force controller and driving force control method of working vehicle
01/13/2015US8931268 Transaxle fluid expansion and contraction accommodation apparatus
01/13/2015US8931267 Pumps
01/06/2015US8925311 Transmission and engine configuration
01/06/2015US8925310 Device to actively control the vibrations of an articulated arm to pump concrete
01/06/2015US8925309 Method for predefining a rotational speed of a drive machine of a drive system
12/2014
12/30/2014US8919116 Variable drive apparatus
12/30/2014US8919114 Closed-loop hydraulic system having priority-based sharing
12/30/2014US8919113 Hydraulic control system having energy recovery kit
12/30/2014US8919112 Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange
12/30/2014US8919111 Device for obtaining internal energy from liquid by utilizing buoyancy and method therefor
12/23/2014US8915080 Pressure generator of a hydraulic vehicle brake system and operating method for this
12/23/2014US8915076 Transmission hydraulic control system having flow augmentation
12/23/2014US8915075 Hydraulic control arrangement
12/23/2014US8915074 System and method for determining accumulator fill
12/16/2014US8910473 Pipe layer and warm-up method for pipe layer
12/09/2014US8904777 Hydraulic pump control device for construction machine
12/02/2014US8899035 Hydraulic control apparatus for work machine
12/02/2014US8899034 Hydraulic system with fluid flow summation control of a variable displacement pump and priority allocation of fluid flow
12/02/2014US8899031 Cold start valve
11/2014
11/25/2014US8896144 Wind turbine energy storage system and method
11/18/2014US8887500 Hydraulic transaxle
11/18/2014US8887499 Electronic high hydraulic pressure cutoff to improve system efficiency
11/18/2014US8887498 Transmission hydraulic control system having an accumulator bypass valve assembly
11/11/2014US8881517 Water-wave/flowing-water energy transformer
11/11/2014US8881506 Hydraulic drive device of hydraulic operating machine
11/04/2014US8876495 Case flow augmenting arrangement for cooling variable speed electric motor-pumps
11/04/2014US8875506 Work vehicle lifting performance
10/2014
10/28/2014US8869521 Fluid working machine with cylinders coupled to split exterior ports by electrohydraulic valves
10/28/2014US8869519 Hybrid-type shovel
10/21/2014US8863519 High output modular CAES (HOMC)
10/21/2014US8863510 Electrohydraulic actuator with a pump incorporated in the piston
10/21/2014US8863508 Hydraulic circuit having energy storage and reuse
10/14/2014US8857188 Hybrid drive device
10/14/2014US8857172 Hydraulic transmission system having a main pump that can be actuated continuously
10/14/2014US8857171 Integrated hydrostatic transmission
10/14/2014US8857168 Overrunning pump protection for flow-controlled actuators
10/09/2014WO2014164408A1 System and method for clutch pressure control
10/07/2014US8851944 Marine engine hydraulic system
10/07/2014US8851861 Powertrain hydraulic system for hybrid electric vehicles
10/07/2014US8850806 Hydraulic control system having swing motor energy recovery
10/02/2014WO2014158070A1 A hydraulic pump assembly
09/2014
09/30/2014US8844279 Hydraulic fan circuit
09/30/2014US8844277 Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange
09/23/2014US8839617 System and method for controlling charging of an accumulator in an electro-hydraulic system
09/16/2014US8833069 Hydrostatic circuits with variable charge and variable flushing systems
09/16/2014US8833067 Load holding for meterless control of actuators
09/16/2014US8833066 Low speed hydraulic control for fine control of hydraulic cranes
09/16/2014US8833065 Control device for hybrid construction machine
09/09/2014US8826655 Vehicle having an automatic transmission and an automatic engine start/stop system
09/09/2014US8826654 Hydraulic fluid system
09/02/2014US8820064 Recuperating passive and active suspension
09/02/2014US8820061 Method for actuating a hydraulically movable working element of a working equipment, and a working equipment
08/2014
08/28/2014DE112012004658T5 Hydrostatischer Antrieb Hydrostatic drive
08/26/2014US8813485 Automatic transmission hydraulic accumulator
08/26/2014US8813482 Alarm system for towable hydraulic machines
08/21/2014DE112012004582T5 Hystat-Antriebssystem mit Brennkraftmaschinendrehzahlsteuerung Hystat drive system with engine speed control
08/19/2014US8807313 Fan drive system with sensor feedback
08/19/2014US8806863 Hydraulic transmission control
08/19/2014US8806862 Smart flow sharing system
08/19/2014US8806860 Hybrid construction machine
08/12/2014US8801407 Hybrid electro-hydraulic power device
08/12/2014US8800279 Hydraulic transmission system for zero-turn vehicle
08/12/2014US8800277 Hydraulic system for aircraft
08/05/2014US8793988 Positioning device that performs retracting action using air balance
07/2014
07/24/2014US20140202819 Three-pass torque converters
07/22/2014US8783026 Gas strut separation for staged rocket
07/22/2014US8783025 Split valve pump controlled hydraulic system
07/15/2014US8776890 Systems and techniques to actuate isolation valves
07/15/2014US8776512 Swing system and construction machinery or vehicle comprising a swing system
07/09/2014CN103917798A 用于机器的静液压驱动 Hydrostatic drive for machine
07/08/2014US8769945 Work vehicle and work vehicle control method
07/01/2014US8763385 Methods and systems for an engine
06/2014
06/24/2014US8760393 Method, apparatus, and article for force feedback based on tension control and tracking through cables
06/17/2014US8752373 Slewing type working machine
06/17/2014US8752372 Regenerative hydraulic circuit for dump truck bin lift cylinder
06/17/2014US8752371 Independent metering valve with flow limiter
06/03/2014US8740595 Gear pump
05/2014
05/27/2014US8733095 Systems and methods for efficient pumping of high-pressure fluids for energy
05/27/2014US8733094 Systems and methods for energy storage and recovery using rapid isothermal gas expansion and compression
05/20/2014US8726977 Pressure vessel assembly for integrated pressurized fluid system
05/20/2014US8726648 Hydraulic drive device for construction machine
05/13/2014US8720196 Controller of hybrid construction machine
05/06/2014US8713931 Hydraulic circuit for working machine
05/06/2014US8713930 Negative control type hydraulic system
05/01/2014WO2012125792A3 Multiple function hydraulic system with a variable displacement pump and a hydrostatic pump-motor
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