| 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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| 03/12/2009 | WO2009031543A1 Electromagnetic pump and water treatment device |
| 03/12/2009 | WO2009031425A1 Drive torque calculation device for compressor and capacity control system for variable capacity compressor |
| 03/12/2009 | WO2009031424A1 System for controlling capacity of variable-capacity compressor |
| 03/12/2009 | US20090069749 Power Management Techniques for an Infusion Pump System |
| 03/12/2009 | US20090068025 Intelligent Controller for Refrigerating and Air Conditioning Systems |
| 03/12/2009 | US20090068024 Progressing cavity pump with heat management system |
| 03/12/2009 | US20090067980 Pressure relief arrangement for a pump |
| 03/12/2009 | DE102007042888A1 Hydraulic fluid i.e. oil, supplying device for automatic drive, has pump devices including different conveying characteristic curves, and arranged on common drive shaft which is drivable by electric motor |
| 03/11/2009 | EP2032854A2 Equipment for continuous regulation of the flow rate of reciprocating compressors |
| 03/11/2009 | CN201206541Y Electrovalve control circuit of high and low voltage thin oil station |
| 03/11/2009 | CN201206454Y Self-sealing type pump sealing machine of uncoupling oil well pump |
| 03/11/2009 | CN101382369A Protection arrangement for compressor of refrigeration system |
| 03/11/2009 | CN101382132A Control method for frequency conversion compressor unit for natural gas substation for automobile |
| 03/11/2009 | CN101382131A Pressure testing downhole oil production screw pump |
| 03/11/2009 | CN100468023C Hydraulic power unit and method for monitoring torque in the hydraulic power unit |
| 03/11/2009 | CN100467868C Sealed type electric compressor |
| 03/11/2009 | CN100467866C Piston type thermodynamic gas compressor |
| 03/10/2009 | US7500835 Sump draining apparatus having easily replaceable sensor and mount therefor |
| 03/10/2009 | CA2546390C Two-stage pressure relief valve |
| 03/05/2009 | WO2009029961A2 Device for measuring the real-time performance of a pump |
| 03/05/2009 | WO2009029677A1 Self-adaptive piston blood pump |
| 03/05/2009 | WO2009029666A1 Two-chamber blood pump |
| 03/05/2009 | WO2009028467A1 Air compressor and alarm control method |
| 03/05/2009 | WO2009028466A1 Air compressor and motor drive control method |
| 03/05/2009 | WO2009028465A1 Air compressor and method of controlling motor drive |
| 03/05/2009 | WO2009028450A1 Cryopump system |
| 03/05/2009 | WO2009028384A1 Variable displacement compressor |
| 03/05/2009 | US20090060764 Medical Pump |
| 03/05/2009 | US20090060755 Micropump |
| 03/05/2009 | US20090060753 Self-Adaptive Piston Blood Pump |
| 03/05/2009 | US20090060752 Constant Pressure Pressurizing Water Pump |
| 03/05/2009 | US20090060751 Solid State Sump Pump Control |
| 03/05/2009 | US20090060750 Fluid transportation device |
| 03/04/2009 | EP2030641A2 Blood pump system |
| 03/04/2009 | EP2029860A1 Slide valve actuation for overpressure safety |
| 03/04/2009 | CN201202622Y Proportional variable plunger pump |
| 03/04/2009 | CN201202621Y Bidirectional liquid charging apparatus controlled by change valve |
| 03/04/2009 | CN201202612Y High pressure oil supply system of high and low pressure thin oil station |
| 03/04/2009 | CN101379297A Improved compressor device |
| 03/04/2009 | CN101379294A Airflow compressor control system and method |
| 03/04/2009 | CN100465442C An apparatus and a method for controlling operations of compressors |
| 03/04/2009 | CN100465393C An automatic drainage device of underground proton device machine rooms |
| 03/03/2009 | US7497668 Gas supply arrangement and associated method, particularly for a gas turbine |
| 02/26/2009 | WO2009025208A1 System for controlling capacity of variable capacity compressor and display device |
| 02/26/2009 | WO2009024769A2 Integrated 'one pump' control of pumping equipment |
| 02/26/2009 | WO2009024337A1 Hydraulic system with an adjustable hydrostatic machine |
| 02/26/2009 | WO2009024336A1 Axial piston machine in a swash-plate construction with an actuating device |
| 02/26/2009 | WO2009024210A1 Piston air compressor |
| 02/26/2009 | US20090053078 Hydraulic control system |
| 02/26/2009 | US20090053077 Flow prioritizing valve system |
| 02/26/2009 | US20090053074 Positive displacement pump and method of use thereof |
| 02/26/2009 | US20090053073 Condensate Pump |
| 02/26/2009 | US20090053072 Integrated "One Pump" Control of Pumping Equipment |
| 02/26/2009 | US20090053071 System and method for reducing air bubbles in a fluid delivery line |
| 02/26/2009 | US20090050042 Method of and apparatus for detecting and controlling bilge water in a sea vessel |
| 02/26/2009 | DE102008038435A1 Hydraulisches System mit einer verstellbaren hydrostatischen Maschine Hydraulic system with an adjustable hydrostatic machine |
| 02/25/2009 | CN201198827Y Electricity-saving device of air compressor |
| 02/25/2009 | CN201198825Y Sand deposing-proof clamp pump device |
| 02/25/2009 | CN201198579Y Water supply control system |
| 02/25/2009 | CN101375059A Electric compressor |
| 02/25/2009 | CN101375057A Electric compressor, and air conditioning system for vehicle, using the electric compressor |
| 02/25/2009 | CN101372942A Axial plunger type variable capacity pump |
| 02/25/2009 | CN101372941A Axial plunger type variable capacity pump |
| 02/25/2009 | CN100464074C Apparatus and method for controlling operation of linear compressor |
| 02/25/2009 | CN100464073C Apparatus and method for controlling operation of compressor |
| 02/24/2009 | US7494439 Dual drive pump with dual chain and roller clutch and method |
| 02/24/2009 | US7493978 Traveling hydraulic working machine |
| 02/19/2009 | WO2009023764A1 Progressing cavity pump with heat management system |
| 02/19/2009 | WO2008154665A3 Eccentric pump |
| 02/19/2009 | US20090047147 Variable displacement vane pump |
| 02/19/2009 | US20090047141 Variable displacement vane pump |
| 02/19/2009 | US20090047138 Apparatus and Method For Controlling Operation of Linear Compressor |
| 02/19/2009 | US20090047137 Control System for Electromagnetic Pumps |
| 02/19/2009 | DE102007039083A1 Verfahren zum Betreiben einer Hydraulikpumpe eines Antriebsstrangs sowie Antriebsstrang A method of operating a hydraulic pump of a powertrain and drivetrain |
| 02/19/2009 | CA2696117A1 Progressing cavity pump with heat management system |
| 02/18/2009 | EP2025936A1 Compressor |
| 02/18/2009 | EP2025933A2 Dual mode compensation for variable displacement pump metering system |
| 02/18/2009 | EP2024214A1 Method for controlling or regulating the air pressure in a compressed air supply device |
| 02/18/2009 | EP2024213A2 Compressed air supply system for a utility vehicle |
| 02/18/2009 | EP2024212A2 Compressed air supply device for a utility vehicle |
| 02/18/2009 | EP1651879B1 Structure and method of mounting built-in type of discharge element part |
| 02/18/2009 | CN201196142Y Fault detection and indication circuit of air-conditioner compressor |
| 02/18/2009 | CN101368569A Independent exhaustion component used for Carroll compressor |
| 02/18/2009 | CN101368553A Planetary gear stepless variable high pressure axial plunger pump |
| 02/18/2009 | CN101368552A Heeling moment full-balancing shaft distribution mechanism and bidirectional variable radial ball piston pump |
| 02/18/2009 | CN101368393A High-rise housing pond pumping method and its control circuit |
| 02/18/2009 | CN100462576C Piston type compressor and assembling method thereof |
| 02/17/2009 | US7491034 Compressor protection and diagnostic system |
| 02/12/2009 | WO2009020402A1 Water distribution |
| 02/12/2009 | WO2009018934A1 Hydrostatic machine having an actuating device comprising a return element for actuating a control valve |
| 02/12/2009 | US20090043239 Device and method for transporting medicinal liquids |
| 02/12/2009 | US20090041594 Variable displacement type gear pump |
| 02/12/2009 | US20090041592 Pump |
| 02/12/2009 | US20090041588 Active valve system for positive displacement pump |
| 02/12/2009 | US20090038696 Drain Safety and Pump Control Device with Verification |
| 02/12/2009 | US20090038292 Dosing Pump Assembly |
| 02/11/2009 | EP2022954A1 Exhaust gas purifier of construction machine |
| 02/11/2009 | CN201193604Y Constant voltage regulating device for diaphragm pump |
| 02/11/2009 | CN201193603Y Constant power standby automation control axial plunger pump |
| 02/11/2009 | CN101365903A Control valve and control valve for variable displacement compressor using the control valve |