Patents
Sitemap › F04 - Positive-displacement machines for liquids; Pumps for liquids or elastic fluids › F04B - Positive-displacement machines for liquids; Pumps › F04B 49 - Control of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for in, or of interest apart from, groups
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)
04/2010
04/28/2010CN201443500U Microcomputer automatic inflation control device
04/28/2010CN201443499U Electric locomotive auxiliary compressor automatic control device
04/28/2010CN201443487U Automatic pumping system for vacuum testing instrument
04/28/2010CN101698283A Big-torque big-thrust big-power digital type electrohydraulic servo drive device
04/27/2010US7704227 Methods and apparatuses for detecting medical device acceleration, temperature, and humidity conditions
04/27/2010US7704055 Switching device for a hydraulic high-pressure system
04/27/2010US7704054 Two-stage rotodynamic blood pump
04/27/2010US7704052 Air compressor and method for controlling the same
04/27/2010US7704051 Pump controller system and method
04/27/2010US7704050 Immersion pump equipped with a float control device
04/27/2010CA2410351C Enhancing filtration yields in tangential flow filtration
04/22/2010WO2009145582A3 Fuel-saving apparatus for industrial hydraulic machine
04/22/2010US20100100042 Device and Method Employing Shape Memory Alloy
04/22/2010US20100100041 Device and Method Employing Shape Memory Alloy
04/22/2010US20100098559 Pump having a magnetically actuated control valve for suction regulation
04/22/2010US20100098557 Hand Operated Pump
04/22/2010US20100097040 Electronic control for a hydraulically driven auxiliary power source
04/22/2010US20100095690 Compressor
04/21/2010CN101115907B Compressor device and method for rebuilding the compressor or its structure
04/21/2010CN101025156B DC frequency-changeable compressor driving apparatus and method
04/20/2010US7702423 Method and apparatus to control the rate of flow of a fluid through a conduit
04/20/2010CA2618313C Detecting obstructions in enteral/parenteral feeding tubes and automatic removal of clogs therefrom
04/15/2010WO2010041774A1 Air compressor
04/15/2010US20100094224 Fluid delivery device identification and loading system
04/15/2010US20100092314 Deep force pump for oil wells
04/15/2010US20100092311 Displacement control valve for variable displacement compressor
04/15/2010US20100092308 Method of Operating a Safety Vacuum Release System
04/15/2010US20100092307 Methods and Systems for Determining Operating States of Pumps
04/15/2010US20100092306 Compressor reverse rotation of variable duration on start-up
04/15/2010US20100089086 Device for controlling a condensate removal pump
04/14/2010EP2175135A1 Sealed electric compressor
04/14/2010EP2175134A1 Methods and systems for determining operating states of pumps
04/14/2010EP2174123A2 Cavitation detection
04/14/2010EP2174010A1 Hydrostatic machine having an actuating device comprising a return element for actuating a control valve
04/14/2010CN201437771U Electric control valve of variable displacement compressor for automobile air conditioner
04/14/2010CN201437770U Complete quantitative control equipment of pneumatic diaphragm pump
04/14/2010CN201437769U Automatic liquid level control conveying equipment of pneumatic diaphragm pump
04/14/2010CN101694211A Port plate for plunger pump
04/13/2010US7695251 Electronic control device for a synchronous pump
04/13/2010US7694525 Unitary control for air conditioner and/or heat pump
04/08/2010WO2010038622A1 Flow rate control valve device
04/08/2010US20100086417 Motor pump unit, in paticular for vehicle power steering
04/08/2010US20100086414 Hybrid internal combustion engine and air motor system and method
04/08/2010US20100086413 Electric compressor
04/08/2010US20100086412 Blower
04/07/2010EP2172651A1 Reciprocating piston compressor
04/07/2010EP2172650A2 A liquid cooling system
04/07/2010EP2171272A1 Compressed-air compressor
04/07/2010EP2170666A1 Method for determining the flow rate or the actuation frequency of a fluid pump, particularly in an electronic motor vehicle brake system
04/07/2010EP1446581B1 Management and optimization of load sharing between multiple compressor trains for controlling a main process gas variable
04/07/2010CN201436612U Remote communication device for comprehensive intelligence control equipment of air compressor
04/07/2010CN101691860A Pressure shut-off valve used for power controller
04/06/2010US7693684 Process, sensor and diagnosis device for pump diagnosis
04/06/2010US7690897 Controller for a motor and a method of controlling the motor
04/01/2010WO2010036614A2 Compressor discharge control on a transport refrigeration system
04/01/2010WO2010035916A1 Pump having bypass route
04/01/2010WO2010016690A3 Inverter housing for electromotive compressor
04/01/2010US20100080714 Controller for a motor and a method of controlling the motor
04/01/2010US20100080713 System and Method of Disabling an HVAC Compressor Based on a Low Pressure Cut Out
04/01/2010US20100080712 System and Method of Disabling an HVAC Compressor Based on a High Pressure Cut Out
04/01/2010DE102008049633A1 Position device for hydrostatic machine, has pressure positioning chamber provided with partial volume that is permanently connected with pressure positioning line
04/01/2010DE102006044999B4 Verfahren und Regeleinheit zur Regelung einer Drehgeschwindigkeit eines Verdichters A method and control unit for controlling a rotational speed of a compressor
03/2010
03/31/2010EP2169227A1 Electric compressor control device
03/31/2010EP2167820A1 Diaphragm pump
03/31/2010CN201435703Y Electronic starter with low power consumption
03/31/2010CN201433883Y Pressure controller of water injection high pressure injection-augmenting pump
03/31/2010CN201433882Y Heat protector for refrigeration compressor
03/31/2010CN201433869Y Pressure controllable mortar pump
03/31/2010CN101688530A Positive displacement pump comprising an externally assisted valve
03/31/2010CN101688529A Variable displacement compressor and displacement control system
03/31/2010CN101688528A Motor-compressor drive apparatus
03/31/2010CN101684807A Protection device of enclosed type compressor
03/31/2010CN101684791A Method for controlling compressor of air conditioner for vehicle
03/30/2010US7686590 Vacuum control system
03/30/2010US7686589 Pumping system with power optimization
03/30/2010US7686588 Liquid chemical supply system having a plurality of pressure detectors
03/30/2010US7686587 Pump controller system and method
03/30/2010US7686074 Apparatus and method for active circuit protection of downhole electrical submersible pump monitoring gauges
03/30/2010US7685866 Leakage checking and calibrating of a liquid delivery system
03/25/2010US20100076371 Device and method employing shape memory alloy
03/25/2010US20100074767 Hydraulic pump system with reduced cold start parasitic loss
03/25/2010US20100074764 Compressed Air Supply System for a Commercial Vehicle and Method for Operating Said Compressed Air Supply System
03/25/2010US20100071877 Reducing accumulation of dust particles on a heat dissipating arrangement
03/25/2010DE102008048507A1 Vorrichtung mit einstellbarer Spielfreiheit für ein Ansteuergerät Device with adjustable backlash to a suitable inverter
03/25/2010DE102008047074A1 Check valve arrangement for use with common-rail check valve arrangement, has piston, which is arranged within piston chamber wall movable in piston moving direction
03/24/2010EP2166317A1 Means for controlling the operation of a condensate-lifting pump
03/24/2010CN201428581Y Intelligent frequency-variable electricity-saving system with the same main pipe
03/24/2010CN201428579Y Electromagnetic heating device for heat pump air-conditioner compressor
03/24/2010CN101680446A 活塞空气压缩机 Piston air compressor
03/24/2010CN101680445A Electric compressor control device
03/24/2010CN101680444A Start-up control device and method for electric scroll compressor
03/24/2010CN101680437A Pump unit with a main pump and a charging pump with a variable pump capacity
03/24/2010CN100595436C Device and method for controlling a two-cylinder thick matter pump
03/23/2010US7682135 Variable displacement pump
03/23/2010CA2614817C Rod pump control system including parameter estimator
03/23/2010CA2571024C Hydraulic diaphragm pump with leak compensation device
03/23/2010CA2389137C Sine wave variable speed drive
03/18/2010WO2010030040A1 Capacity control valve, variable capacity compressor and capacity control system of variable capacity compressor
03/18/2010US20100070146 Engine load control device of work vehicle
03/18/2010US20100068077 Vacuum pump with combined debris catcher and pressure relief valve
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