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)
01/2010
01/06/2010CN201377415Y Electrical control device for high-power slurry pump testing stand
01/06/2010CN100578015C Axial piston machine
01/06/2010CN100577879C Energy-saving method for stainless strip sulfuric acid refining continuous annealing production line hydraulic stations
01/05/2010US7641451 Turbo pump and processing apparatus comprising the same
01/05/2010US7641450 Transporting method and transporting facility for easily polimerizable material
01/05/2010US7641449 Air compressor having a controller for a variable speed motor and a compressed air tank
01/05/2010CA2346930C Detecting obstructions in enteral/parenteral feeding tubes and automatic removal of clogs therefrom
12/2009
12/31/2009US20090324428 System and method for detecting a fault condition in a compressor
12/31/2009US20090324427 System and method for starting a compressor
12/31/2009US20090324426 Compressor speed control system for bearing reliability
12/31/2009DE102008030544A1 Method for monitoring micromechanical pumps comprises measuring electrical signals as input and output parameters of a real path, comparing the real path with a physical mathematical model and evaluating
12/30/2009WO2009156326A2 Method for identifying the load condition of a pump
12/30/2009WO2009137640A3 Sprayer pressure relief valve
12/30/2009WO2009114820A3 High capacity chiller compressor
12/30/2009EP2138720A2 Adjustment device for the adjustment of axial piston engines.
12/30/2009EP2137409A2 Compressor reverse rotation of variable duration on start up
12/30/2009CN201372916Y Device for automatically monitoring large air compressor used in coal mine
12/30/2009CN101614203A Method and system for automatically controlling motor-driven feed-water pump
12/30/2009CN100576703C Compressor protection and diagnostic system
12/30/2009CN100575935C Method and apparatus of detecting low flow/cavitation of a centrifugal pump
12/30/2009CN100575705C Linear compressor
12/29/2009US7637723 Cavitation detection device and method
12/29/2009US7637202 Hydraulic motor/pump
12/29/2009US7637117 Air-conditioning system
12/29/2009US7637113 Apparatus and method for pumping a fluid from a storage vessel and detecting when the storage vessel is empty
12/29/2009CA2443175C Control system for progressing cavity pumps
12/24/2009US20090317267 Hydraulic intensifiers
12/24/2009US20090317266 Digital hydraulic pump/motor torque modulation system and apparatus
12/24/2009US20090317262 Engine speed control for pressure washer
12/24/2009US20090317261 Pumping system and method of operation
12/24/2009US20090317260 Compressor-Driver Power Limiting in Consideration of Antisurge Control
12/24/2009US20090317259 System and Method for Explosion-Proof Pump
12/24/2009DE102008029105A1 Pumping device for cleaning system in motor vehicle, particularly for headlights or disks, has pump for fluid transportation and control unit assigned at pump
12/24/2009DE102008028781A1 Verfahren zur Steuerung des Betriebs eines Kompressors Method for controlling the operation of a compressor
12/23/2009WO2009153606A1 Fluid working machines and methods
12/23/2009WO2009153605A1 Fluid working machines and methods
12/23/2009WO2009153279A1 Linear compressor
12/23/2009WO2009153077A1 Method for controlling the operation of a compressor
12/23/2009EP2136080A1 Variable displacement compressor with a discharge pressure compensated suction shutoff valve
12/23/2009EP2136079A1 Apparatus and method for controlling electric compressor
12/23/2009EP2134967A1 Electro-compressor and air conditioner having the same
12/23/2009CN101608614A Fire pump discharge pressure full-automatic balancing system
12/23/2009CN101608613A Zero-disturbance switching method of pipeline transportation standby pump
12/23/2009CN101608609A Variable displacement compressor with a discharge pressure compensated suction shutoff valve
12/23/2009CN100572856C Device for transferring torque from electromotor to compressor
12/23/2009CN100572817C Air-tight compressor thermal protector
12/23/2009CN100572810C Sucker-rod pump oil pumping machine oil pumping control method and its system
12/23/2009CN100572801C Stratum fluid test suction pump and method for sampling primary fluid in stratum
12/23/2009CA2728185A1 Fluid working machines and methods
12/23/2009CA2728184A1 Fluid working machines and methods
12/22/2009US7635257 High pressure pump having plunger
12/22/2009US7635253 Digital pressure controller for pump assembly
12/22/2009CA2487835C Speed and fluid flow controller
12/17/2009WO2009150337A2 Device and method for pumping a cryogenic fluid
12/17/2009US20090311115 Oil supplying apparatus for vehicle
12/17/2009US20090311112 Air supply apparatus
12/17/2009US20090311109 Variable Displacement Compressor With A Discharge Pressure Compensated Suction Shutoff Valve
12/17/2009US20090311107 Method, system, and apparatus for operating a sucker rod pump
12/17/2009DE102008002252A1 Compressor coupling for alternative manufacturing of torque transfer connection between compressor input element and drive member, particularly in vehicle, has coupling drive area coupled with drive member
12/16/2009EP2132443A1 Pump having a magnetically actuated control valve for suction regulation
12/16/2009EP2131970A1 High-pressure cleaning device
12/16/2009EP2131648A1 A method in a milking system for creating a required vacuum level and computer program products
12/16/2009EP1483505B1 Hydraulic system comprising a variable displacement pump
12/16/2009CN201363264Y Constant-temperature automatic control system for circulating water pump
12/16/2009CN201363263Y Water pump monitor
12/16/2009CN201363244Y Axial plunger variable pump
12/16/2009CN101605990A Displacement control system for variable displacement compressor
12/16/2009CN101603526A An electromagnetic pump, a flow control apparatus of the electromagnetic pump and a flow control method thereof
12/16/2009CN101603525A Method and device for online monitoring working conditions of compressor
12/16/2009CN101603524A Undisturbed switching method for operating modes of multi-stage pump station and energy dissipater thereof
12/16/2009CN101603521A Pump
12/15/2009US7634328 Method, system and computer program product for monitoring and optimizing fluid extraction from geologic strata
12/15/2009US7632076 Air supply system control
12/10/2009WO2009146866A1 Compressor system, and method for the operation of a compressor system
12/10/2009US20090304531 Integrated coolant pumping module
12/10/2009US20090304528 Electrical Signal Input Type Displacement Control Device and Hydraulic Equipment
12/10/2009US20090304524 Method of Operating a Pumping System
12/10/2009US20090304523 Regulator device and method for operating a regulator device
12/10/2009US20090304522 Installation for high pressure compression with several stages
12/10/2009US20090304521 Synchronous torque balance in multiple pump systems
12/10/2009US20090301740 Apparatus and method for inhibiting propagation of a flame front
12/10/2009US20090301702 Vehicle Air Conditioning and Heating Method Providing Engine On and Engine Off Operation
12/10/2009US20090301482 Apparatus for delivery of pressurised gas
12/10/2009DE102004007882B4 Luftkompressor und Verfahren zu seinem Steuern Air compressor and method for its control
12/10/2009CA2722752A1 Compressor system, and method for the operation of a compressor system
12/09/2009EP2130980A2 System and method of controlling torque of plural variable displacement hydraulic pumps
12/09/2009EP2129915A2 Vacuum diaphragm pump unit
12/09/2009CN201358908Y Deceleration or variable speed starter
12/09/2009CN101598123A System and method of controlling torque of plural variable displacement hydraulic pumps
12/09/2009CN101598120A Drainage pump
12/09/2009CN100568686C Method for controlling operation of compressor and apparatus thereof
12/09/2009CN100568684C Motor driving apparatus
12/09/2009CN100567739C Proportional amplifier for variable pump composite control
12/09/2009CN100567738C Control device and method for compressor of system air-conditioner
12/09/2009CN100567737C Automatic unloading one-way valve of air compressor
12/09/2009CN100567736C Reciprocating pump control system
12/09/2009CN100567731C Electromagnetic pump driving method
12/09/2009CN100567661C Leveler electric control proportional pump control method
12/08/2009US7628591 Apparatus and method for controlling operation of compressor
12/08/2009US7628590 Method and apparatus for reducing free flow risk
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