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)
10/2008
10/09/2008DE102007016385A1 Pumpstand Pumping
10/09/2008CA2681980A1 A method in a milking system for creating a required vacuum level and computer program products
10/08/2008EP1978254A1 Electric compressor
10/08/2008EP1978251A2 Refrigerant suction structure in fixed displacement type piston compressor, and operation control method in fixed displacement type piston compressor
10/08/2008EP1978248A1 Electric signal input-type capacity control device and hydraulic facility
10/08/2008EP1977300A1 Apparatus and method for controlling operation of linear compressor
10/08/2008CN201129450Y Seal ring
10/08/2008CN201129292Y Air compressing engine explosion suppression safe electric-controlled system
10/08/2008CN201129291Y Hydraulic control apparatus of concrete delivery pump
10/08/2008CN201129285Y Air pressure type pressure generating apparatus of automatic pressure calibration stand
10/08/2008CN201129155Y Electric pump mounting protector
10/08/2008CN101283181A Device for managing the displacement of a hydraulic motor or a group of hydraulic motors
10/08/2008CN100424980C Apparatus for compensating for speed error of motor
10/08/2008CN100424361C Closed electrohydraulic controlling system
10/08/2008CN100424348C Head pressure relief assembly
10/07/2008US7431574 Pump actuated by diaphragm
10/07/2008US7431568 Draft inducer having a backward curved impeller
10/07/2008US7431046 Pneumatic device for continuously varying the pressure of compressed air
10/07/2008US7430859 Fluid pump control system for excavators
10/06/2008CA2628545A1 Smart blow-down system for variable frequency drive compressor units
10/02/2008WO2008117998A1 Electro-compressor and air conditioner having the same
10/02/2008WO2008030760A3 Oil-free air compressor system with inlet throttle
10/02/2008US20080242464 Electric oil pump control apparatus for vehicle, electric oil pump control method for vehicle, and shift apparatus
10/02/2008US20080241634 Pump driving module and fuel cell system equipped with the same
10/02/2008US20080240941 Vehicular oil pump control apparatus
10/02/2008US20080240940 Compressor improvements
10/02/2008US20080240933 Two-pump air compressor
10/02/2008US20080240932 Pump, real-time, general and incremental condition diagnosis
10/02/2008US20080240931 Method for Determining Faults During the Operation of a Pump Unit
10/02/2008US20080240928 Refrigerant suction structure in fixed displacement type piston compressor, and operation control method in fixed displacement type piston compressor
10/02/2008US20080236157 Engine Lag Down Suppressing Device of Construction Machinery
10/02/2008DE102007016293B3 Verstelleinheit für eine Axialkolbenmaschine Adjustment for an axial
10/02/2008DE102004026567B4 Linearkompressor Linear Compressor
10/01/2008EP1975407A2 Two-pump air compressor
10/01/2008CN201125860Y Double safety mutual locking type oil pumping machine brake device
10/01/2008CN201125701Y Screw pump well head protector
10/01/2008CN101278126A 压缩机单元 Compressor unit
10/01/2008CN101275571A Submersible pumping system
10/01/2008CN101275544A Refrigerant suction structure in fixed displacement type piston compressor, and operation control method in fixed displacement type piston compressor
10/01/2008CN100422558C Apparatus and method for controlling operation of reciprocating compressor
10/01/2008CN100422557C Control method for energy saving of hydraulic machinery or raising prodn. efficiency
10/01/2008CN100422555C Control system for a pumping unit
09/2008
09/30/2008US7429839 Linear compressor and control method thereof
09/30/2008CA2492465C Stability control system and method for centrifugal compressors operating in parallel
09/29/2008CA2620990A1 Two-pump air compressor
09/25/2008WO2008115659A1 Hot water demand flow sensor system
09/25/2008WO2008114726A1 Electric compressor
09/25/2008WO2008091977A3 System and method of operation of multiple screw compressors with continuously variable speed to provide noise cancellation
09/25/2008US20080232980 Digit button-operated air compressor output control structure
09/25/2008US20080232979 Compressor
09/25/2008US20080232978 Variable displacement vane pump
09/25/2008US20080232977 Pump Control
09/25/2008US20080232976 Shower flow simulator
09/25/2008US20080232975 Pressure-operated mechanism and water pump including the same
09/25/2008US20080230035 Fluid pump control apparatus
09/25/2008US20080229819 Capacitive Sensor and Method and Apparatus for Controlling a Pump Using Same
09/24/2008EP1972728A2 Flush toilet
09/24/2008EP1971779A1 Apparatus and method for controlling operation of linear compressor
09/24/2008EP1971775A1 Hydraulic machine, in particular hydraulic motor, with a reciprocating movement, and differential piston for such a machine
09/24/2008CN201121573Y Connection base frame of combined starting heat protector for compressor
09/24/2008CN101270742A Constant power stand-to automatic control axial plunger pump
09/24/2008CN101270741A Reciprocating compressor stepless gas amount regulating system used for explosive gas area
09/24/2008CN100421345C DC-to-AC converter
09/24/2008CN100420853C Single-plunger injection pump for pressure accumulating tube-fuel injection system
09/18/2008WO2008111976A2 Compressor reverse rotation of variable duration on start up
09/18/2008WO2008110022A2 Vacuum diaphragm pump unit
09/18/2008US20080226466 Hydraulically Driven Multicylinder Pumping Machine
09/18/2008US20080226465 Operation Controlling Apparatus for Reciprocating Compressor and Method Thereof
09/18/2008US20080226464 Device for Driving an Electromagnet for Operating a Pump, and Related Electromagnetic Dosing Pump
09/18/2008US20080223058 Air Conditioner
09/18/2008DE102008014602A1 Bremsregelvorrichtung und deren Regelverfahren Brake control apparatus and its control method
09/18/2008CA2679865A1 Membrane suction pump unit
09/17/2008EP1970567A1 Variable capacity compressor
09/17/2008EP1639258A4 Pump and pump control circuit apparatus and method
09/17/2008EP1392978B1 Dual capacity compressor
09/17/2008CN101265901A Proportional amplifier for variable pump composite control
09/17/2008CN101264352A Self-control medical charging pump and control method thereof
09/17/2008CN100419263C Compressor having internally mounted inverter
09/17/2008CN100419258C Automatic-boosting reciprocating pump
09/16/2008USRE40499 Pulsed flow for capacity control
09/12/2008WO2008108180A1 Rotation control system for working-machine pump
09/12/2008WO2008108093A1 Control valve for variable displacement compressor, control device for electromagnetic control valve, and method of controlling electromagnetic control valve
09/12/2008WO2008108022A1 Integrated electric compressor
09/12/2008WO2008108021A1 Apparatus and method for controlling electric compressor
09/12/2008WO2008107065A1 Pump having a magnetically actuated control valve for suction regulation
09/12/2008WO2008073334A3 Scroll compressor with capacity modulation
09/12/2008WO2008042308A3 Safe over-center pump/motor
09/12/2008CA2672545A1 Apparatus and method for controlling electric compressor
09/11/2008US20080221495 Blood pump system user interface alarm management
09/11/2008US20080219857 Protective device for a controlling system of a sewage pump
09/11/2008US20080219856 Pumped Drainage Apparatus
09/11/2008US20080216905 Pump assembly with reversible one-way valves
09/11/2008DE102007008766A1 Pump unit has displacement element which during pre-established phase section of pump cycle pumps fluid from displacement chamber to outlet which is in fluid communication with pump inlet so that only some of the fluid is pumped out
09/11/2008DE10112848B4 Kalibrierung von Pumpen wie Blutpumpen von Dialysevorrichtungen Calibration of pumps such as blood pumping dialysis devices
09/10/2008EP1427941B1 Engine driven compressor
09/10/2008EP1381412A4 Feeding set adaptor
09/10/2008CN101263303A Linear adjustment controller for pressure control of paint pumps
09/10/2008CN101260879A Protection system for air compressor assembly
09/10/2008CN101259296A Fluid pressure actuated blood pumping systems and methods with continuous inflow and pulsatile outflow conditions
09/10/2008CN100417813C Linear compressor and control method thereof
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