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)
07/2012
07/11/2012CN202326131U 一种汽车空调压缩机排量变化机构 Changes in an automotive air conditioning compressor displacement mechanism
07/11/2012CN202326065U 一种高稠度膏浆泵泵头结构 A high-consistency cream pump pump head structure
07/11/2012CN202324649U 连续型全液压活塞式混凝土泵 Continuous hydraulic piston pump concrete
07/11/2012CN202324404U 建筑屋顶排水系统 Building roof drainage system
07/11/2012CN1696509B Rotary machinery and water supplying apparatus
07/11/2012CN102575666A A hydraulic pump assembly
07/11/2012CN102575665A Hydraulic drive device of hydraulic operating machine
07/11/2012CN102575656A 线性压缩机 Linear Compressor
07/11/2012CN102562556A Operation control method for BOG multistage displacement compressor
07/11/2012CN102562555A Compressor memory system, compressor information network, and compressor warranty administration method
07/11/2012CN102562554A Protecting cover structure of compressor overload protector
07/11/2012CN102562553A Electromagnetic water pump and output flow control method thereof
07/11/2012CN102562552A BOGE air compressor frequency conversion control structure
07/11/2012CN102562551A Cooling tower fan system with frequency changer
07/11/2012CN102562550A Integral type drive controller for vehicle air compressor
07/11/2012CN102562549A Automatic control system of reciprocating type diaphragm pump
07/11/2012CN102562548A Single-phase alternating-current frequency-conversion constant-voltage water pump
07/11/2012CN102562547A Stepless airflow regulation method for high-pressure reciprocating compressor
07/11/2012CN102562526A Compressor and operation method of compressor
07/11/2012CN102562524A Method and device for performing model based anti-surge dead time compensation
07/11/2012CN102562519A Motor compressor
07/11/2012CN101865123B Compressor controller and compressor diagnostic and protection method
07/11/2012CN101501412B Suction valve pulse width modulation control based on compressor temperature
07/10/2012US8215923 Clutch control system and method for operating a clutch control system
07/10/2012US8215921 Methods and systems for defogging transparent doors in display cases
07/05/2012WO2012092055A1 Method and apparatus for pump control using varying equivalent system characteristic curve, aka an adaptive control curve
07/05/2012WO2012089511A1 Pressure control arrangement of a fuel injection system having a valve which is arranged on the pressure side of a pump
07/05/2012WO2012065160A3 Sensor system
07/05/2012WO2011137501A3 System for controlling a resonant linear compressor piston, method for controlling a resonant linear compressor piston, and resonant linear compressor
07/05/2012US20120171053 Hand air pump having gauge device
07/05/2012US20120171052 Motor compressor system and method
07/05/2012US20120171051 Bilge pump and method
07/05/2012US20120171050 Automatic blower control
07/05/2012US20120171049 Lubricant pump and lubricating system with pump heater
07/05/2012US20120171048 Electronic device with miniature heat dissipating structure
07/05/2012CA2823248A1 Method and apparatus for pump control using varying equivalent system characteristic curve, aka an adaptive control curve
07/04/2012EP2472115A1 Spherical expansion compressor adapted to variable working conditions
07/04/2012EP1971779B1 Apparatus and method for controlling operation of linear compressor
07/04/2012EP1763620B1 Compressor unloading valve
07/04/2012CN202300968U 自控式交叉总功率控制及变功率的柱塞泵 Controlled cross-over total power control and variable power piston pump
07/04/2012CN202300967U 一个独立沉降室一级密封的潜油电泵保护器 An independent settling chamber a sealed submersible pump protection
07/04/2012CN202300966U 沉降室串联沉降室二级密封的二腔结构潜油电泵保护器 Settling chamber settling chamber two series of two-cavity structure sealed submersible pump protection
07/04/2012CN202300965U 一种撬装泵远程控制装置 One kind of skid mounted pump remote control device
07/04/2012CN202300964U Membrane travel control device for membrane pump
07/04/2012CN202300963U 双变频空气压缩机机组 Dual-frequency air compressor unit
07/04/2012CN202300962U 一种空压机联动控制系统 One kind of air compressor linkage control system
07/04/2012CN202300961U 一种变频真空注油机 One kind of frequency vacuum oiling machine
07/04/2012CN202300960U 具有变频控制器的电磁水泵 Electromagnetic pump has variable frequency controller
07/04/2012CN202300959U 井口光电遥感智能注剂泵系统 Wellhead photoelectric sensing intelligent agent injection pump system
07/04/2012CN202300958U Pumping equipment and pumping high-pressure and low-pressure switching device thereof
07/04/2012CN202300950U 四元隔膜生物泵及其生物泵流速控制系统 Four yuan biological pump and biological pump diaphragm flow control system
07/04/2012CN202298885U 一种变电站电缆沟自动排水装置 Substations cable channel automatic drainage device
07/04/2012CN202298755U Efficient cluster water pump system for constant-voltage converting quantities
07/04/2012CN1993868B Connector
07/04/2012CN102549272A Hydraulic control system
07/04/2012CN102549263A Device for delivering a fluid in a hydraulic circuit
07/04/2012CN102537451A Differential pressure control valve and variable displacement compressor having the differential pressure control valve
07/04/2012CN102536772A Pump units
07/04/2012CN102536771A External type compressor protector
07/04/2012CN102536770A Water pump with self-protection function and self-protection method thereof
07/04/2012CN102536769A Built-in type heat protector fixing device and fixing structure
07/04/2012CN102536768A Water supply apparatus
07/04/2012CN102536767A Compressor staring and stopping control method for water-cooling compressor set with compressors
07/04/2012CN102536766A Pump apparatus and method for control the same
07/04/2012CN102536765A Method for controlling rotation speed of fans of wireless base station equipment
07/04/2012CN102536764A Water pump circuit control device
07/04/2012CN102536763A Intelligent control alarming system of air compressor
07/04/2012CN102536762A Control system of lift pump set
07/04/2012CN102536761A Engineering machinery as well as power control system and power control method of non-electrically-controlled hydraulic pump
07/04/2012CN102536760A Energy-saving control device of air compressor for automobile
07/04/2012CN102536755A Closed-loop piezoelectric film pump and flow control method
07/04/2012CN102536725A Pumping system, control method thereof, and fire fighting equipment
07/04/2012CN102536722A Numerical control alternating current permanent magnet servo variable speed variable quantity awry plate type axial plunger hydraulic motor pump
07/04/2012CN102536295A Intelligent local ventilation system
07/04/2012CN102102651B Light energy-efficient intelligent clarified water pump
07/04/2012CN102071690B Offshore self-elevating drilling platform pile pitching and pile pulling automatic control device and method
07/04/2012CN101835980B Reciprocating compressor
07/04/2012CN101815866B Variable displacement compressor
07/04/2012CN101495756B System and method for correcting for pressure variations using a motor
07/04/2012CN101454620B Multi-circuit refrigerant system utilizing pulse width modulation techniques
07/04/2012CN101356372B System and method for pressure compensation in a pump
07/03/2012US8211061 Intelligent remote-controlled portable intravenous injection and transfusion system
07/03/2012US8210828 Methods and systems for assisted direct start control
07/03/2012US8210826 Controlled liquid injection and blending apparatus
07/03/2012US8210396 Liquid concentrate/extract beverage dispenser with replaceable concentrate/extract cartridge
07/03/2012US8209974 Systems and methods for energy storage and recovery using compressed gas
06/2012
06/29/2012CA2767980A1 Intelligent online closed-loop balance adjusting system for pumping unit
06/28/2012WO2012088197A2 Water pump and methods of use thereof
06/28/2012WO2012085814A2 Electronic control method and system for a piezo-electric pump
06/28/2012WO2012084517A1 Valve device for controlling the air intake for a compressor of a vehicle, and compressor system and method for controlling a compressor system
06/28/2012WO2012084307A1 Pump having a throttle
06/28/2012WO2012084093A1 Hydraulic drive
06/28/2012WO2012083406A1 Automatic control module for a compressor
06/28/2012WO2012083404A1 Modular speed-switching circuit for a compressor
06/28/2012US20120164001 Variable capacity oil pump
06/28/2012US20120163998 Fluid ejection device and medical device
06/28/2012US20120163997 Vane compressor with integrated motor
06/28/2012US20120163996 Hydraulic Drive Device of Hydraulic Operating Machine
06/28/2012DE102011108285A1 Hydraulischer Antrieb Hydraulic drive
06/28/2012DE102010055692A1 Ventileinrichtung zur Steuerung der Luftzufuhr für einen Kompressor eines Fahrzeugs sowie Kompressorsystem und Verfahren zur Steuerung eines Kompressorsystems Valve means for controlling the air supply for a compressor of a vehicle compressor and system and method for controlling a compressor system
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