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)
07/2009
07/09/2009WO2009083095A1 Hydraulic arrangement for a power-actuated actuator
07/09/2009WO2009048563A3 Compressor having a power factor correction system and method
07/09/2009US20090177160 Fluid Delivery Device with Autocalibration
07/09/2009US20090175734 Power Steering Pump Flow Control
07/08/2009EP2076673A2 Electronic camshaft motor control for piston pump
07/08/2009EP2076401A1 A system and a method for controlling a pneumatic pressure in a vehicle
07/08/2009EP1791579B1 Membrane pump with bleed valve
07/08/2009CN201269184Y Accurate-measuring fluid pump
07/08/2009CN101479481A Hydraulic oil well pumping apparatus
07/08/2009CN100510405C Compressor diagnostic system
07/08/2009CN100510404C Protector for compressor joint
07/08/2009CN100510403C Apparatus and method for controlling operation of reciprocating compressor
07/08/2009CN100510402C Variable displacement compressor
07/07/2009USRE40830 Compressor capacity modulation
07/07/2009US7558699 Control system for centrifugal pumps
07/07/2009US7556479 Power steering pump relief system filter
07/07/2009US7556478 Compressor control apparatus
07/07/2009US7556473 Control unit for compressor
07/07/2009US7555899 Regulator device and a valve unit for a hydraulic pump
07/07/2009CA2268690C Automatic restart control for a submersible pump
07/02/2009WO2009081754A1 Capacity control system for variable capacity compressor
07/02/2009WO2009081636A1 Controller of electric compressor, start control method of electric compressor
07/02/2009WO2009048733A3 Fixed displacement pump
07/02/2009US20090169396 Compressed air manufacturing facility
07/02/2009DE102008057859A1 Kraftstoffsparendes hydraulisches Servolenksystem Fuel-efficient hydraulic power steering system
07/02/2009DE102005001715B4 Steuersystem für Hybridfahrzeuge Control system for hybrid vehicles
07/01/2009EP2074357A1 Refrigerant system with multi-speed pulse width modulated compressor
07/01/2009EP1486673B1 Vacuum pump control device, and vacuum device
07/01/2009CN201265515Y Anti-liquid impact apparatus of passenger car air-conditioner compressor
07/01/2009CN101473138A Fluid pressure drive device
07/01/2009CN101469697A Compressor driving apparatus and refrigeration circulating apparatus
07/01/2009CN101469696A Electrical controlled valve of variable displacement compressor
07/01/2009CN101469695A Medical infusion pump door opening detection device
07/01/2009CN101469694A Electrical controlled valve of variable displacement compressor
07/01/2009CN100507268C A fluid pump controlling system and method
07/01/2009CN100506023C Distribution method of various component material and compensation method of conversion of reciprocating pump
06/2009
06/30/2009US7553134 Switch valve structure of fluid machine
06/30/2009US7553132 Micro device incorporating programmable element
06/25/2009WO2009079099A1 A portable cutting torch system with a compressor and a controller for automatic compressor adjustment; method of adjusting operational parmeters of a torch unit taking into account environmental conditions; a machine readable medium
06/25/2009WO2009077355A1 Control unit for a refrigerating machine and domestic refrigerator using this control unit
06/25/2009WO2009077136A1 Valve arrangement for a hydraulic device and hydraulic device with a valve arrangement
06/25/2009US20090163869 Variable Volume, Shape Memory Actuated Insulin Dispensing Pump
06/25/2009US20090163854 Network Communication and Message Protocol for a Medical Perfusion System
06/25/2009US20090163318 Engine-load control device for working vehicle
06/25/2009US20090162211 Strain Gauge Pump Control Switch
06/25/2009US20090159581 Compressor Profile for Resonance Points System and Method
06/25/2009US20090159576 Automatic Compressor Adjustment System and Method for a Portable Cutting Torch System
06/25/2009US20090158727 Hydraulic system
06/25/2009DE19982757B4 Verfahren zum Betreiben einer Brennstoffdosierpumpe eines Fahrzeugheizgerätes Method for operating a fuel metering pump of a vehicle heater
06/25/2009DE112007001729T5 Verfahren zum Betreiben einer Fluidarbeitsmaschine und eine Fluidarbeitsmaschine A method of operating a fluid working machine, and a fluid-working machine
06/25/2009DE102008063928A1 Electronic control unit for use in e.g. hydrostatic piston engine, of vehicle i.e. excavator, has evaluation unit for determining own vibration load, where acceleration sensor connected with evaluation unit determines own vibration load
06/25/2009DE102008038381A1 Hydrostatic drive system for use in e.g. excavator, has pump designed as electric-hydraulic displaceable pump so that displacement volume control device is movable in direction of reduction of displacement volume by hydraulic backup signals
06/25/2009DE102007062313A1 Verfahren, Vorrichtung und Verwendung der Vorrichtung zum Steuern eines Kompressors A method, apparatus and use of apparatus for controlling a compressor
06/25/2009DE102007061559A1 Kreiselpumpe mit Durchflusssensor Centrifugal pump with flow sensor
06/25/2009DE102007061478A1 Verfahren zum Analysieren des Betriebs einer Dosierpumpe für Flüssigkeit, inbesondere einer Brennstoffdosierpumpe für ein Fahrzeugheizgerät A method for analyzing the operation of a dosing pump for fluid, in particular a fuel dosing pump for a vehicle heating device
06/24/2009EP2072820A1 Method of analysing the operation of a dosing pump for liquid, especially a fuel dosing pump for a vehicle heater
06/24/2009EP1769576B1 Device for driving an electromagnet, particularly for operating pumps
06/24/2009EP1504191B1 Regulating device for hydrostatic piston machines
06/24/2009CN101463811A Pressure-regulating spilling system of plunger type high-pressure water pump
06/24/2009CN101463810A Security self-control apparatus for synthesis gas compressor
06/24/2009CN100504337C Method and device for detecting centrifugal pump fault
06/23/2009US7550941 Linear-compressor control system, a method of controlling a linear compressor, a linear compressor and cooling system
06/23/2009US7549848 Device for adjusting the pumping capacity of a lubricant pump for an internal combustion engine
06/23/2009US7549847 Portable bulk transfer pump with variable speed transmission
06/23/2009CA2556090C Variable capacity oil pump
06/23/2009CA2366097C Method and arrangement for pumping material
06/18/2009WO2009075286A1 Air conditioner
06/18/2009WO2009075272A1 Motor control device
06/18/2009WO2009074180A1 Valve based or viscosity based control of a fluid pump
06/18/2009US20090155093 Hydraulic device with a lubricating pump
06/18/2009US20090155089 Method and Control Unit for Operating a linear Compressor
06/18/2009US20090151699 Fuel-feeding devices
06/18/2009DE4319495B4 Hydraulische Servolenkvorrichtung The hydraulic power steering device
06/18/2009DE102007060262A1 Pump arrangement, has feed pump and main pump switched one behind other, where pressure connection of feed pump is connected with suction connection of main pump, and feed pump is mass-controlled
06/18/2009DE102007060107A1 Multi-disk clutch, particularly for clutch arrangement for selective rotary coupling of input shaft of compressor in vehicle, has drive member, which comprises friction element carrier, which is coupled with drive organ
06/17/2009EP2071187A2 Apparatus and method for controlling linear compressor with inverter unit
06/17/2009EP2071186A2 Vacuum pump and its operating method
06/16/2009US7547197 Driving controlling apparatus for linear compressor and method thereof
06/16/2009US7547196 Method for mitigating rod float in rod pumped wells
06/16/2009US7547195 Scroll compressor with high side to low side oil bleed valve
06/16/2009US7546832 Control device of high-pressure fuel pump of internal combustion engine
06/11/2009WO2009073876A1 Capacitive liquid level sensor
06/11/2009WO2009072384A1 Method for controlling electric compressor
06/11/2009WO2009053923A3 Method and pump management system for optimizing the energy consumption in a fluid transporting pipe system with pumps
06/11/2009WO2009044016A3 Modulating liquid pump
06/11/2009WO2009018898A3 High-pressure hydrogen pump
06/11/2009WO2009000895A3 Fluid circulation pump with integrated short circuit
06/11/2009US20090148309 Variable displacement pump having a rotating cam ring
06/11/2009US20090148307 Apparatus and method for controlling linear compressor with inverter unit
06/11/2009US20090148306 Capacitive liquid level sensor
06/11/2009US20090145128 Geared boiler feed pump drive
06/11/2009CA2708225A1 Capacitive liquid level sensor
06/10/2009EP2066908A2 Safe over-center pump/motor
06/10/2009DE102008012593A1 Hydrostatic engine, particularly axial piston engine, has housing and drive element, which is arranged and movably mounted in housing, and engine is provided by annular gap in area of feed through hole
06/10/2009CN201255102Y Intelligent control valve for vehicle air conditioner
06/10/2009CN201255101Y Self-maintaining system for open piston compressor for vehicle
06/10/2009CN201255100Y Syringe pump apparatus using zigbee wireless communication
06/10/2009CN201255099Y Protection device for open piston compressor and clutch of air conditioner
06/10/2009CN101451524A Dual volume pump
06/10/2009CN101451523A Frequency conversion control method of compressor unit for natural gas vehicle refueling mother station
1 ... 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 ... 221