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)
03/2012
03/29/2012US20120076670 Fluid-working machine and method of operating a fluid-working machine
03/29/2012US20120076667 Electric motor pump control incorporating pump element position information
03/29/2012US20120076666 Method, device and means for driving a reciprocating linear motion double acting pump
03/29/2012DE102010046316A1 Pump e.g. oil pump has mechanical regulating device that controls viscous coupling for controlling pump speed based on pump pressure
03/28/2012EP2434137A1 Fuel pump for a direct injection system
03/28/2012EP2433007A2 Diagnostic system
03/28/2012EP2281119B1 Method for controlling the position of an electromechanical actuator for reciprocating compressor valves
03/28/2012EP2134967B1 Electro-compressor and air conditioner having the same
03/28/2012EP1846640B1 Compressor slide valve lubrication
03/28/2012CN202176499U 一种可同时调节正负压的装置 Which can simultaneously adjust the negative pressure device
03/28/2012CN202176498U 一种空压机防喘振广义预测控制系统 One kind of air compressor anti-surge Generalized Predictive Control System
03/28/2012CN202176497U 水泵无线智能化控制装置 Pump wireless intelligent control device
03/28/2012CN202176496U 防止压缩机单线圈运行控制系统 Prevent compressor single coil operation control system
03/28/2012CN202176483U 天然气压缩机的进气减荷装置 Inlet gas compressors offloading unit
03/28/2012CN202176481U 一种压缩机外置式保护器用安装装置 An outboard compressor mounting device protective Used
03/28/2012CN202176469U 一种液压泵 One kind of pump
03/28/2012CN102395794A Controller for a liquid supply pump
03/28/2012CN102392815A Device specially used for electric information-based automatic-control of pump station
03/28/2012CN102392814A Control device for locomotive screw rod compressor unit
03/28/2012CN102392813A System for adjusting and controlling revolving speed of compressor unit
03/28/2012CN102392812A Surge control system of compressor unit
03/28/2012CN102392810A Hydraulically driven gas compressor
03/28/2012CN101379297B Improved compressor device
03/27/2012US8142167 Paddlewheel apparatus
03/22/2012WO2012035921A1 Hydraulic pressure device
03/22/2012WO2012035735A1 Method for controlling driving of work machine
03/22/2012WO2012034165A1 Ultra high pressure pump
03/22/2012WO2012018758A3 Method of operating a pump/motor
03/22/2012WO2012007114A3 Hydraulic assembly
03/22/2012WO2011117831A3 System, apparatus, and method for rapid pump displacement configuration
03/22/2012US20120070318 Oil pump unit with variable flow rate
03/22/2012US20120070317 Oil pump unit with variable flow rate
03/22/2012US20120070313 System and method for position control of a mechanical piston in a pump
03/22/2012US20120070312 Controlled hydraulic systems
03/22/2012US20120070311 System and Method for Pressure Compensation in a Pump
03/22/2012DE102010046224A1 Hydraulic system used in excavator, has low and high pressure valves that are connected to pressure terminals of piston machine
03/22/2012DE102010046217A1 Druckregelung mit DDU/DVR Einheiten unter Verwendung von Motorzyklen Pressure control with DDU / DVR units using motor cycles
03/22/2012DE102010041007A1 Hydraulic piston engine i.e. pump, with variable delivery volume for conveying fuel, has working chamber acting together with control piston, which includes displacement path adjustable by control element
03/21/2012EP2430310A1 Piston engine, in particular liquid piston engine
03/21/2012EP2430309A1 Determining fluid compressibility while delivering fluid
03/21/2012EP2260210B1 Controller and the use thereof
03/21/2012CN202170862U 一种压缩机接线端子结构 A compressor terminals structure
03/21/2012CN102384078A Improved electronic pressure controller
03/21/2012CN102384077A Protecting device for dry friction and overload of magnetic pump, slipping of coupler and clamping and grinding of rotor
03/21/2012CN102383466A High-efficiency cluster type water pump system with constant pressure and variable flow and operation control method
03/20/2012US8139973 Air discharging apparatus and image forming apparatus
03/20/2012US8136508 Selective displacement control of multi-plunger fuel pump
03/15/2012WO2012034010A2 Reciprocating fluid pumps including magnets, devices including magnets for use with reciprocating fluid pumps, and related methods
03/15/2012WO2012032882A1 Monitoring device for circulation flow path and apparatus mounted with the device
03/15/2012WO2011159463A3 Variable speed high efficiency gas compressor system
03/15/2012US20120063927 Control and diagnostic systems for a variable capacity engine oil pump and an engine oil pressure sensor
03/15/2012US20120063925 Metering Pump
03/15/2012US20120063924 Reciprocating fluid pumps including magnets, devices including magnets for use with reciprocating fluid pumps, and related methods
03/15/2012US20120063923 Positive grip fingers in a peristaltic pump
03/15/2012US20120063922 Motor control apparatus/method for electric oil pump
03/15/2012US20120063921 Control Algorithm of Variable Speed Pumping System
03/15/2012US20120063920 Oil supply apparatus for transmission
03/15/2012US20120063919 Fluid-working machine valve timing
03/15/2012US20120063918 Apparatus and method for determining clearance of mechanical back-up bearings of turbomachinery utilizing electromagnetic bearings
03/15/2012US20120063917 Roughing pump method for a positive displacement pump
03/15/2012DE10297637B4 Überlastschutzvorrichtung und -verfahren eines Kompressors Overload protection device and method of a compressor
03/15/2012DE102010014106B4 Verfahren zum Betreiben einer Dosierpumpe und Vorrichtung mit einer Dosierpumpe A method of operating a metering apparatus and with a metering pump
03/14/2012CN202165259U 一种循环油泵及气动三通阀联动节能系统 A circular pump and pneumatic three-way valve linkage saving system
03/14/2012CN202165258U 螺杆式抽油泵的泵上保护装置 Protection device on the pump screw pump
03/14/2012CN202165257U 一种基于动力设备的节能变频装置 Power equipment based energy conversion devices
03/14/2012CN202165256U 空压机控制器 Air Compressor Controller
03/14/2012CN102374162A Water outlet pressure full-automatic control protective system of fire pump
03/14/2012CN102374161A Electromagnetic pumping provided with frequency-conversion circuit
03/14/2012CN102374158A Self-sensing piezoelectric diaphragm pump
03/14/2012CN102371991A Method and device for controlling a vacuum apparatus
03/13/2012US8135529 Method for controlling constant-pressure fluid
03/13/2012US8134372 Pressure tank fault detector and method
03/13/2012US8134319 Compensation of motor control using current-RPM relation for a ventilation system
03/13/2012US8133034 Controller for a motor and a method of controlling the motor
03/13/2012US8133033 High voltage bus capacitor pre-charger circuit
03/08/2012WO2012030403A1 Improved method to save energy for devices with rotating or reciprocating masses
03/08/2012US20120057996 Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange
03/08/2012US20120057991 Fluid-working machine and method of operating a fluid-working machine
03/08/2012US20120057990 System and Method for a Pump With Reduced Form Factor
03/08/2012US20120055715 Methods of controlling hydraulic motors
03/08/2012US20120055484 Ventilator
03/08/2012DE10238773B4 Verfahren und Vorrichtung zur Steuerung bürstenloser Motoren Method and apparatus for controlling brushless motors
03/08/2012DE102011112385A1 Ventilgesteuerte Kolbenmaschine und Verfahren zum Betreiben einer ventilgesteuerten Kolbenmaschine Valve-controlled reciprocating engine and method for operating a valve-controlled reciprocating engine
03/08/2012DE102010044697A1 Hydraulic arrangement for internal combustion engine, comprises valve-controlled displacement unit, which has multiple cylinder-piston units that limit pressure chamber
03/08/2012CA2808589A1 Improved method to save energy for devices with rotating or reciprocating masses
03/07/2012CN202157948U 控制液体吸入量的容积泵 Control the fluid suction amount of the positive displacement pump
03/07/2012CN202157947U 潜油电泵保护器胶囊并联用模块式支架座 Submersible pump protector in parallel with module holder capsule seat
03/07/2012CN202157946U 并联胶囊室串联沉降室二级密封三腔结构潜油电泵保护器 Parallel capsule settling chamber two sealed chambers in series three-cavity structure submersible pump protection
03/07/2012CN202157945U 胶囊室串联沉降室串联沉降室三级密封的潜油电泵保护器 Capsule Room tandem settling chamber series settling chamber three sealed submersible pump protection
03/07/2012CN202157944U 潜油电泵保护器用单一结构标准模块式密封座 Used submersible pump to protect the unitary structure of standard modules seal seat
03/07/2012CN202157943U 一种低压24v直流供电的水泵 A low-pressure pump 24v DC power supply
03/07/2012CN102367793A Efficient method and pump valve integrated energy-saving device for water pump
03/07/2012CN102094799B Method for controlling pumping again and anti-pumping of concrete pump after halt
03/06/2012US8128378 Dual mode compensation for variable displacement pump fluid metering system
03/06/2012US8128377 Split-pressure dual pump hydraulic fluid supply system for a multi-speed transmission and method
03/01/2012WO2012026200A1 Compressor
03/01/2012WO2012025193A1 Valve arrangement, connection plate for a hydrostatic piston machine, and hydrostatic piston machine
03/01/2012WO2012024964A1 Concrete pumping vehicle and control method thereof, pumping system and distribution mechanism thereof
03/01/2012WO2012024936A1 Control method of wine cabinet compressor
03/01/2012WO2011057606A3 Compressor for producing compressed air
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