| 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) |
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| 08/06/2008 | CN201096083Y Pressure medium delivery pump zero-pressure actuating apparatus |
| 08/06/2008 | CN201096082Y Dynamic oil path balanced system |
| 08/06/2008 | CN201096065Y Plunger type quantitative hydraulic motor electro-hydraulic switch torque-changing oil dispensing subassembly |
| 08/06/2008 | CN201096064Y Electro-hydraulic switch torque-changing oil-dispensing type rotating cylinder barrel type quantitative plunger piston hydraulic motor |
| 08/06/2008 | CN201096063Y Motor-driven reciprocating pump with unloading function |
| 08/06/2008 | CN101238646A Method for transmitting data between a pump unit and a control device, and an appropriately designed pump system |
| 08/06/2008 | CN101235836A Pump control type electrohydraulic actuator |
| 08/06/2008 | CN101235808A Double-headed piston type compressor |
| 08/06/2008 | CN100408856C Hermetic compressor |
| 08/06/2008 | CN100408855C Linear compressor and method for controlling the same |
| 08/06/2008 | CN100408854C Dry type pump and method for reducing generation rate of restarting fault of dry type pump |
| 08/06/2008 | CN100408853C Traveling hydraulic working machine |
| 08/05/2008 | US7409319 Method and apparatus for detecting rub in a turbomachine |
| 08/05/2008 | US7407489 Methods for compensating for pressure differences across valves in IV pumps |
| 08/05/2008 | CA2619826A1 Real time optimization of power in electrical submersible pump variable speed applications |
| 07/31/2008 | WO2008091977A2 System and method of operation of multiple screw compressors with continuously variable speed to provide noise cancellation |
| 07/31/2008 | WO2008091442A1 Variable torque transmitter |
| 07/31/2008 | WO2008090890A1 Pump control device for construction machine |
| 07/31/2008 | WO2008073413A3 Speed control |
| 07/31/2008 | US20080181796 Pump |
| 07/31/2008 | US20080181793 Electric Feedback/Yoke Angle Sensor For Position Feedback |
| 07/31/2008 | US20080181791 Electric compressor |
| 07/31/2008 | US20080181790 Pump and pump control circuit apparatus and method |
| 07/31/2008 | US20080181789 Pump controller system and method |
| 07/31/2008 | US20080181788 Pump and pump control circuit apparatus and method |
| 07/31/2008 | US20080181787 Pump controller system and method |
| 07/31/2008 | US20080181786 Pump and pump control circuit apparatus and method |
| 07/31/2008 | US20080181785 Pump controller system and method |
| 07/31/2008 | DE19911741B4 Vorrichtung und Verfahren zur Luftaufbereitung, insbesondere für pneumatische Bremsanlagen von Kraftfahrzeugen Apparatus and method for air treatment, especially for pneumatic brake systems of motor vehicles |
| 07/31/2008 | DE102007055747A1 Pump for use in high power liquid chromatography system, has force measuring body arranged between drive body and pump head and implemented for measuring clamping force, which is caused between drive body and pump head |
| 07/30/2008 | EP1950411A1 High pressure fuel supply pump for internal combustion engine |
| 07/30/2008 | EP1948934A1 Operation controlling apparatus for reciprocating compressor and method thereof |
| 07/30/2008 | EP1948933A2 Material delivery system using decoupling accumulator |
| 07/30/2008 | EP1948931A1 Control system for electromagnetic pumps |
| 07/30/2008 | EP1948927A1 Air-conditioning compressor with a differential-pressure limiting device |
| 07/30/2008 | EP1948013A1 Identification means |
| 07/30/2008 | CN201092954Y Safety braking device for oil pump |
| 07/30/2008 | CN101233323A Reciprocating piston pump with air valve, detent and poppets |
| 07/30/2008 | CN101233322A Reciprocating pump with electronically monitored air valve having battery and solenoid electronic monitoring |
| 07/30/2008 | CN101233321A Reciprocating pump with electronically monitored air valve and piston |
| 07/30/2008 | CN101233318A Apparatus and method for compressing a gas |
| 07/30/2008 | CN101230854A Multi-mode control method and apparatus for electrically controlling hydraulic oil pump by hydraulic drawworks |
| 07/30/2008 | CN101230849A Double-piston hydropower pressure regulating pump |
| 07/30/2008 | CN100406738C Variable inner volume ratio-type inverter screw compressor |
| 07/30/2008 | CN100406732C Compressor with suction volume regulation |
| 07/30/2008 | CN100406730C Current monitoring system and method for metering peristaltic pump |
| 07/29/2008 | CA2576182A1 Fluid pump drive |
| 07/24/2008 | WO2008088660A2 Multi-stage compressor/driver system and method of operation |
| 07/24/2008 | WO2008087153A1 Method and system for controlling the operation of a pump |
| 07/24/2008 | WO2008065680A3 Method and control unit for controlling an engine pump |
| 07/24/2008 | US20080175727 Electromagnetic displacement control valve in clutchless type variable displacement compressor |
| 07/24/2008 | US20080175726 Surge Anticipator Safety Check Unit For A Liquid System |
| 07/24/2008 | US20080175724 Vane Pump With Substantially Constant Regulated Output |
| 07/24/2008 | US20080175721 Magnetic displacement pump and compressor |
| 07/24/2008 | US20080175718 Compressor control device and method for controlling a compressor |
| 07/24/2008 | US20080175717 System and method of operation of multiple screw compressors with continuously variable speed to provide noise cancellation |
| 07/24/2008 | US20080173088 Combined sight oil level gage and ultrasonic sensor |
| 07/24/2008 | DE102007002677A1 Method for actuating flow rate adjustable lubricant pump in lubricant closed loop of diesel engine, involves determining pre-determined flow rate depending on number of rotations of diesel engine and fuel amount is assigned to diesel engine |
| 07/23/2008 | EP1947341A1 Compressor control device and method for controlling a compressor |
| 07/23/2008 | EP1946016A2 Integrated compressor/expansion engine |
| 07/23/2008 | EP1585901B1 Plant for producing compressed gas and method for using said plant |
| 07/23/2008 | EP1552146A4 Fluid delivery device, system and method |
| 07/23/2008 | CN201090424Y Pumping unit brake safety hooking apparatus |
| 07/23/2008 | CN201090423Y Automatic control pump and standard force-measuring apparatus using the same |
| 07/23/2008 | CN201090422Y Start circuit of fixed frequency air conditioner compressor |
| 07/23/2008 | CN201090421Y Scaling ratio stepless regulating device for double-cylinder and double-liquid mud-injection pump |
| 07/23/2008 | CN201090420Y Auto-put-in circuit of high and low voltage thin oil station stand-by pump |
| 07/23/2008 | CN201090397Y Portable electric air suction inflator without noise |
| 07/23/2008 | CN101228353A Device for driving an electromagnetic pump and related electromagnetic dosing pump |
| 07/23/2008 | CN101225810A Electromagnetic displacement control valve in clutchless type variable displacement compressor |
| 07/23/2008 | CN100404981C Refrigeration system control equipment and its control method |
| 07/22/2008 | US7402154 Method for compensating for pressure differences across valves in cassette type IV pump |
| 07/22/2008 | CA2227859C Volumetric pump with bi-directional sphincter seal |
| 07/17/2008 | WO2008084775A1 Inverter compressor operation method and compressor drive device |
| 07/17/2008 | US20080170950 Rotary Pump |
| 07/17/2008 | US20080170948 Multi-stage compressor/driver system and method of operation |
| 07/17/2008 | US20080170947 Temperature sensing system |
| 07/17/2008 | DE102006061462A1 Electro hydraulic pump system, particularly for vehicle baking system, has slip control and hydraulic system of electro hydraulic pump system is assigned pump with multiple conveying devices |
| 07/16/2008 | EP1943422A1 Driving controlling apparatus for reciprocating compressor and method thereof |
| 07/16/2008 | CN101220813A Compressor and operation method |
| 07/16/2008 | CN101220810A Control method for compressor of air source heat pump hot water machine unit |
| 07/16/2008 | CN101220808A Reciprocating pump control system |
| 07/16/2008 | CN100402851C Dual capacity compressor |
| 07/16/2008 | CN100402847C Control valve for positive displacement engine |
| 07/16/2008 | CN100402826C Method and system for avoiding anomaly stop of production device |
| 07/15/2008 | US7399401 Determining a time period associated with a delivery of a fluid; monitoring a rate of electrochemical reaction in a fluid path of the fluid delivery for the determined time period; determining a rate of the fluid delivery based at least in part on the monitored rate of electrochemical reaction |
| 07/15/2008 | US7399169 Compressor |
| 07/15/2008 | US7399167 Fluid machine operable in both pump mode and motor mode and waste heat recovering system having the same |
| 07/15/2008 | US7399166 Variable displacement pump |
| 07/15/2008 | US7399165 Pump unit with multiple operation modes |
| 07/15/2008 | US7398803 Identification and communication system for inflatable devices |
| 07/15/2008 | US7398653 Air conditioner for vehicle capable of preventing inverter overheating |
| 07/10/2008 | WO2008019776A3 Piston engine unit with a hydrostatic piston engine and an auxiliary pump |
| 07/10/2008 | WO2008018040A3 Pump monitor |
| 07/10/2008 | WO2007136905A3 Pump system with calibration curve |
| 07/10/2008 | US20080166245 Variable displacement compressor |
| 07/09/2008 | EP1941161A1 Load-pressure-controlled feed flow regulator with vibration damping |
| 07/09/2008 | EP1636492B1 Axial piston compressor, particularly a compressor for the air-conditioning system of a motor vehicle |
| 07/09/2008 | EP0904630B1 Method for producing a micromotor |
| 07/09/2008 | CN201083194Y Air compressor frequency conversion energy-saving device |