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)
07/2008
07/09/2008CN201083193Y Horizontal well electric latent plunger pump lifting device
07/09/2008CN201083190Y Special-purpose inflator pump for electric bicycle
07/09/2008CN101216055A Hydraulic driving motor control device and its control method
07/09/2008CN100400871C Compressor
07/09/2008CN100400870C Apparatus and method for controlling operation of reciprocating motor compressor
07/09/2008CN100400832C Hydraulic construction machine control device
07/08/2008US7396214 Variable displacement pump and control therefor
07/08/2008US7396213 Oil utilized as motor protector trip for scroll compressor
07/03/2008WO2007098242A3 An improved sensor-less control method for linear compressors
07/03/2008US20080161718 Pneumatic circuit comprising a compressor housed inside a cabinet being configured to compress a gas; biopsy device in pneumatic communication with compressor capable of being actuated by the compressed gas; fan flows air for evaporation; medical equipment
07/03/2008US20080159880 Method For Matching the Actual Characteristic Curve of a Hydrodynamic Component to a Predefined Set Characteristics Curve During the Final Test of the Hydrodynamic Component
07/03/2008US20080159878 Compressor
07/03/2008US20080159876 Protective device for a controlling system of a sewage pump
07/03/2008US20080159875 Method for controlling ground meat flow rates
07/02/2008EP1939449A2 Compressor
07/02/2008EP1448893B1 Determination of the piston stroke in a reciprocating piston machine
07/02/2008CN201080912Y Mining emulsion pump station energy-saving unloading mechanism
07/02/2008CN201080911Y Plunger type quantitative hydraulic motor switch torque-changing valve-controlled oil dispensing subassembly
07/02/2008CN201080910Y Pneumatic pump stop alarm system
07/02/2008CN201080904Y Electro-hydraulic switch torque-changing oil-dispensing type rotating cylinder barrel type quantitative plunger piston hydraulic motor
07/02/2008CN201080903Y Multiphase step plunger piston hydraulic motor
07/02/2008CN101213370A Fast energy-saving chamber pumping
07/02/2008CN101210547A Disc type multi-cylinder slurry pump
07/02/2008CN101210546A Pump control for formation testing
07/02/2008CN100398822C Compressor
07/01/2008US7394215 Thermal control variable-speed circuit without switching noise
07/01/2008US7393185 Fuel pump with automatic shutoff
06/2008
06/26/2008WO2008057177A3 Method and system for controlling machine power
06/26/2008US20080152512 Infiltration pump having insulated rollers and programmable foot pedal
06/26/2008US20080152510 Valve for controlling flow of a primary fluid
06/26/2008US20080152508 Pump and pump control circuit apparatus and method
06/26/2008US20080152507 Infusion pump with a capacitive displacement position sensor
06/26/2008US20080150351 Device for Supplying Pressure to an Actuation Unit of a Motor Vehicle Braking System and Method for Controlling Said Device
06/26/2008US20080149200 Pressure-balanced choke system
06/26/2008US20080148725 Closed loop pressure control system and electrically operated pressure control valve with integral pressure sensor and method of making same
06/26/2008DE102006061231A1 Hochdruckkolbenpumpe High pressure piston pump
06/25/2008EP1936293A1 Controller for air conditioner
06/25/2008EP1934476A1 Installation for high pressure compression with several stages
06/25/2008EP1934471A1 Device for managing the displacement of a hydraulic motor or a group of hydraulic motors
06/25/2008CN101205854A Digital variable air input methane power generating system
06/25/2008CN100397000C Methods for detecting surge in refrigerating system and centrifugal compressor, and device therefor
06/25/2008CN100396925C Protector for closed compressor and closed compressor using the same
06/25/2008CN100396924C Compressor control valve and its producing method
06/25/2008CN100396923C Air compressor and control method therefor
06/25/2008CN100396917C Control valve for variable displacement compressor
06/25/2008CN100396916C Control valve of variable displacement compressor
06/25/2008CN100396345C Blood separation systems using multiple function pump station to perform different on-line processing tasks
06/24/2008USRE40400 Capacity modulated scroll machine
06/24/2008USRE40399 Low charge protection vent
06/24/2008US7392158 Drive unit for compressor and refrigerator
06/24/2008US7389649 Cooling system with variable duty cycle capacity control
06/24/2008US7389641 System for and method of operating a pressurized air source of a vehicular agricultural applicator
06/19/2008WO2008073436A2 Pumping system with two way communication
06/19/2008WO2008073433A2 Pumping system with power optimization
06/19/2008WO2008073418A2 Anti-entrapment and anti-deadhead function
06/19/2008WO2008073413A2 Speed control
06/19/2008WO2008073386A2 Flow control
06/19/2008WO2008073329A2 Priming protection
06/19/2008WO2008072422A1 Engine load control device of work vehicle
06/19/2008WO2008033372A9 Piston cartridge
06/19/2008US20080145241 Arrangement and Method for a Compressed Air System
06/19/2008US20080145238 Vacuum exhaust apparatus and drive method of vacuum exhaust apparatus
06/19/2008US20080145237 Injection pump apparatus
06/19/2008DE202007001537U1 Hydraulikaggregat für hydraulische Kraftschrauben Hydraulic power unit for hydraulic screws
06/19/2008DE102007059604A1 Operating system for hydraulic machine controls comprises control lever connected to pressure control valve which is connected to chambers of double-action hydraulic cylinder which exerts restoring force on lever
06/19/2008CA2672410A1 Flow control
06/18/2008CN201074587Y Brake lock of oil extractor
06/18/2008CN201074578Y Drive device for DC frequency conversion compressor
06/18/2008CN101203678A Control system for a pump
06/18/2008CN101203675A Device and method for transporting medicinal liquids
06/18/2008CN101203332A Method for controlling a cleaning device and cleaning device for carrying out said method
06/18/2008CN101201049A Suction throttle valve of a compressor
06/18/2008CN101201045A Hydraulic pressure generating device for automatic pressure calibration system
06/18/2008CN100395450C Compressor
06/17/2008US7387501 Control valve for variable displacement compressor
06/17/2008US7387499 System and method for testing the operation of a cooling fan
06/17/2008US7387498 System and method for noise attenuation of screw compressors
06/17/2008US7386978 Method for controlling a hydraulic system of a mobile working machine
06/17/2008CA2346488C Rotary pump
06/12/2008US20080138212 Axial Piston Compressor
06/12/2008US20080138211 Pump and valve system
06/12/2008US20080135074 Washing fluid pump integrated with level sensor for vehicle
06/12/2008US20080134702 Method of Preheating Inverter-Driven Compressor and Device Therefor
06/12/2008US20080134701 Variable Compressor Oil Return
06/12/2008DE102004021223B4 Fluidzuleitungssystem für eine Sprühauftragsvorrichtung Fluid supply system for a spray applicator
06/11/2008EP1930594A1 Method for controlling a hydro pump and electronic control unit
06/11/2008EP1930591A2 Compressor having a mechanism for separating and recovering lubrication oil
06/11/2008EP1370770B1 Modular system for the control of compression systems
06/11/2008CN201072324Y Lift range measuring apparatus of locating plate of air-conditioner compressor
06/11/2008CN201071798Y Soft pump control system for slush pump
06/11/2008CN101198791A Hydraulic system with piston pump and open center valve
06/11/2008CN101195370A Washing fluid pump integrated with level sensor for vehicle
06/11/2008CN100394035C Compressor unit
06/11/2008CN100394028C Apparatus and method for controlling operation of a reciprocating compressor
06/11/2008CN100393949C Signal processing device of construction machinery
06/10/2008US7385368 Apparatus for controlling operation of reciprocating compressor
06/05/2008WO2008066635A1 Opposed pumping load high pressure common rail fuel pump
06/05/2008WO2008066589A2 System and method for operation of a pump
06/05/2008WO2008066134A1 Control valve for variable displacement compressor
06/05/2008WO2008064850A1 Hydrostatic drive unit comprising a total power regulation device