Patents
Patents for F04B 49 - Control of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for in, or of interest apart from, groups (22,036)
06/2008
06/05/2008WO2008064759A1 High pressure cleaning device, and a method for varying the motor power thereof
06/05/2008US20080132844 Drug pump systems and methods
06/05/2008US20080131297 Suction throttle valve of a compressor
06/05/2008US20080131292 Apparatus for controlling driving of reciprocating compressor and method thereof
06/05/2008US20080131291 Pump controller system and method
06/05/2008US20080131290 System and method for operation of a pump
06/05/2008US20080131289 Pump controller system and method
06/05/2008US20080131288 Vacuum pump
06/05/2008US20080131287 Vsd Control
06/05/2008US20080131286 Pump controller system and method
06/05/2008DE102007003520B3 Piston pump for high pressure cleaning device, has control piston working together with switch gear, and injector including injection line that branches from pressure line, where injector is adjustable in pressure line and is held at piston
06/05/2008DE102006056847A1 Förderaggregat Delivery unit
06/05/2008DE102006016318B4 Schraubenverdichter mit Entlastungsventil Screw compressor relief valve
06/04/2008EP1927750A2 Pump system with capacity control
06/04/2008CN201068858Y Simplified type oil-submersible electric screw pump
06/04/2008CN201068855Y Oil pumping machine braking failure prevention device
06/04/2008CN201068854Y Air compressor alternating work control device
06/04/2008CN201068853Y Mutually stimulated reversing piston oil extraction units
06/04/2008CN201068820Y Heavy pressure purger throttle control system
06/04/2008CN101194105A Capacity control valve
06/04/2008CN101191477A Application of photoelectric oil-level sensor in compressor oil-level monitoring
06/04/2008CN101191472A Linear compressor
06/04/2008CN100392247C Concrete continuous pumping delivery method and concrete pump apparatus
06/04/2008CN100392246C Displacement variable hydraulic pump control device
06/03/2008US7381035 Piston pump with check shaft
06/03/2008US7381031 Control valve for variable displacement compressor
06/03/2008US7380566 Dewatering system and method for a subsurface vault
05/2008
05/29/2008DE10209824B4 Hybridantrieb Hybrid drive
05/29/2008DE102006055932A1 Hydro pump controlling method for hydrostatic traction drive, involves producing control signal target value process from control signal target value and adjustment function, and producing control signal from target value process
05/29/2008DE102005027940B4 Steuerungsvorrichtung und -verfahren zum Schalten eines Pumpe/Motor-Betriebsmodus für ein Hydraulik-Hybridfahrzeug Control apparatus and method for switching a pump / motor mode of operation for a hydraulic hybrid vehicle
05/28/2008EP1924771A1 Pump controller for controlling pumps connected in tandem
05/28/2008CN201065826Y Compressor axial displacement detection and alarming device
05/28/2008CN201065825Y Stroke adjustable energy-saving type hydraulic pumping unit
05/28/2008CN101189433A Regulator device and method for operating a regulator device
05/28/2008CN101189432A Capacity control valve
05/28/2008CN101189431A Variable volume, shape memory actuated insulin dispensing pump
05/28/2008CN101187361A Multi-channel pump and its control method
05/28/2008CN100390422C Compressor and dynamic speed limit device
05/28/2008CN100390414C Device and method for overload protection of compressor
05/27/2008US7377755 Multi-stage rotary compressor
05/27/2008US7377753 Fuel supply pump
05/27/2008CA2250623C Technique to control slurry pumps
05/22/2008WO2008059783A1 Vehicular refrigerating cycle
05/22/2008US20080119777 Process for controlling blood flow in an extracorporeal blood circuit
05/22/2008US20080118376 Translational displacement pump and bulk fluid re-supply system
05/22/2008US20080118369 Microchip Inspection System and Microchip Inspection System Program
05/22/2008US20080118368 Pump For Delivering A Fluid Product
05/22/2008US20080117071 Safety device for hydraulic pump
05/21/2008EP1923080A2 Diaphragm pump and pump mounted in a carrying case useful in breast pumping
05/21/2008EP1922483A1 Pump or compressor unit
05/21/2008CN201062604Y Fixing apparatus for refrigeration compressor ventilating temperature controller
05/21/2008CN101185042A Fluid delivery device with autocalibration
05/21/2008CN101184989A Devices and methods for use in assessing a flow condition of a fluid
05/21/2008CN101184921A Method of operating a pumping system
05/21/2008CN101182839A Structure for sensing refrigerant flow rate in a compressor
05/21/2008CN100389254C Control device for working vehicle
05/20/2008US7374407 Power transmission mechanism and process of assembling the same
05/20/2008US7374406 System and method for reducing noise in multi-capacity compressors
05/20/2008CA2169322C Pumping system
05/15/2008WO2008057177A2 Method and system for controlling machine power
05/15/2008WO2008055794A1 Method for controlling the capacity of a peristaltic pump and peristaltic pump
05/15/2008US20080112818 Auxiliary Energy-Accumulation And Flow-Enhancement Device For Hydraulic System Of Concrete Pump
05/15/2008US20080112817 Adjustable cycle timer control for aerators
05/15/2008DE19607032B4 Verfahren zur Regelung der Leistung einer Anlage für die Kühlung des Fahrgastraumes eines Kraftfahrzeuges A method for controlling the power of a system for cooling the passenger compartment of a motor vehicle
05/14/2008EP1727980B1 Device and method for controlling a two-cylinder thick matter pump
05/14/2008EP1153215B1 Variable output pump for gasoline direct injection
05/14/2008CN201059261Y Well dynamic energy conservation apparatus
05/14/2008CN101180466A Torque limited lube pump for power transfer devices
05/14/2008CN101178069A Compressor unit
05/14/2008CN101178061A Concrete pump intelligent monitoring and control system
05/14/2008CN100387840C Piston displacement device for reciprocating compressor
05/14/2008CN100387839C Non-high-pressure-packing oxygen compressor high-pressure stage cylinder
05/14/2008CN100387310C Blood processing systems and methods employing fluid pressure actuated pumps and valves
05/13/2008US7373208 Control apparatus and control method
05/13/2008US7371055 Tandem pump unit
05/13/2008US7371054 Swash-plate compression device of variable capacity type
05/13/2008US7370475 Traveling hydraulic working machine
05/08/2008WO2008055255A2 Metering and pumping devices
05/08/2008WO2008033372A3 Piston cartridge
05/08/2008WO2008012587A3 A digital hydraulic pump/motor torque modulation system and apparatus
05/08/2008US20080109185 Precision Diagnostic Method For The Failure Protection And Predictive Maintenance Of A Vacuum Pump And A Precision Diagnostic System Therefor
05/08/2008US20080108469 Transmission Pump Drive
05/08/2008US20080107544 Suction throttle valve of a compressor
05/08/2008DE102007000774A1 Elektrisch betriebene Hydraulikpumpe Electrically operated hydraulic pump
05/08/2008DE102006053524A1 Motor starting circuit for e.g. printed circuit board, has protective switch normally closed and opened during occurrence of error, and control device staying in connection with protective switch over lines and auxiliary winding
05/08/2008DE102006051821A1 Versorgungseinrichtung Supply device
05/08/2008CA2567378A1 Piston pump stroke adjustment mechanism
05/07/2008EP1918587A2 Compressor having a suction throttle valve
05/07/2008EP1918585A2 Vacuum pump
05/07/2008EP1918583A2 Suction throttle valve of a compressor
05/07/2008EP1446581A4 Management and optimization of load sharing between multiple compressor trains for controlling a main process gas variable
05/07/2008CN201057139Y Pressure controller of fluid pump
05/07/2008CN101175921A Load-pressure-controlled feed flow regulator with vibration damping
05/07/2008CN101173658A Air displacement stepless regulating method for reciprocating-piston compressor
05/02/2008WO2008050595A1 Pump off control method for pump jack and pump jack control device
05/02/2008CA2667599A1 Pump jack pump-off control method and pump jack control apparatus
05/01/2008US20080103445 Method and Apparatus for Detecting Air Bubbles
05/01/2008US20080101962 Vacuum pump
05/01/2008US20080099271 Variable Displacement Pump
05/01/2008US20080099270 Variable Displacement Pump