| 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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| 04/15/2009 | CN101408156A Photovoltaic electric direct-driven buckle connection air conditioner compressor |
| 04/14/2009 | US7517332 Infusion device for medical fluids |
| 04/14/2009 | US7517200 Variable discharge fuel pump |
| 04/14/2009 | US7517199 Control system for an air operated diaphragm pump |
| 04/09/2009 | WO2009044781A1 Variable displacement compressor |
| 04/09/2009 | WO2009044016A2 Modulating liquid pump |
| 04/09/2009 | WO2009043798A1 Mobile hydraulic pump for hydraulically operated tools |
| 04/09/2009 | WO2009043181A1 Hydraulic drive system and diagnostic control strategy for improved operation |
| 04/09/2009 | WO2009024769A3 Integrated 'one pump' control of pumping equipment |
| 04/09/2009 | US20090093942 Control device of high-pressure fuel pump of internal combustion engine |
| 04/09/2009 | US20090093915 Pumping station configuration techniques |
| 04/09/2009 | US20090092502 Compressor having a power factor correction system and method |
| 04/09/2009 | US20090092501 Compressor protection system and method |
| 04/09/2009 | US20090090331 Volumetric Efficiency Based Lift Pump Control |
| 04/09/2009 | US20090090118 Variable speed compressor protection system and method |
| 04/09/2009 | US20090090113 Compressor assembly having electronics cooling system and method |
| 04/09/2009 | US20090090102 Method of reducing the load of one or more engines in a large hydraulic excavator |
| 04/09/2009 | DE102007047724A1 Verfahren und Vorrichtung zur Ansteuerung eines Hydraulikaggregats Method and apparatus for controlling a hydraulic unit |
| 04/09/2009 | DE102007045265A1 Verfahren und Vorrichtung zum Betreiben einer Membranpumpe Method and apparatus for operating a diaphragm pump |
| 04/09/2009 | CA2700748A1 Hydraulic drive system and diagnostic control strategy for improved operation |
| 04/09/2009 | CA2694607A1 Modulating liquid pump |
| 04/08/2009 | EP1695182A4 Material conveying systems, computer program products, and methods |
| 04/08/2009 | EP1387968B1 Hydraulic system and control method thereof |
| 04/08/2009 | EP1285164B1 Pump assembly and method for controlling outlet pressure |
| 04/08/2009 | EP1191224B1 High-pressure dome type compressor |
| 04/08/2009 | CN201218189Y Anti-blowout fixed valve of oil well pipe type pump |
| 04/08/2009 | CN201218188Y Anti-blowout position limiter for oil well screw pump |
| 04/08/2009 | CN201218187Y Long-plunger short-pump barrel anti-scaling pump with dirty-discharging function |
| 04/08/2009 | CN201218186Y Optical fiber driving circuit of oil-submersible electric pump medium-voltage frequency-conversion control cabinet |
| 04/08/2009 | CN201218185Y Low pressure pump switching circuit for high/low-pressure lubricating station |
| 04/08/2009 | CN201218184Y Micro-motion automatic pressure-limiting switch |
| 04/08/2009 | CN201218183Y Sand-proof oil pump with poly-driving large-flow passage cascading short pump barrel |
| 04/08/2009 | CN101403903A Speed protection controller of leather belt oil pumping machine |
| 04/08/2009 | CN101403395A Pressure-regulating device of high-pressure water pump |
| 04/08/2009 | CN101403379A Intelligent control valve for automobile air conditioner |
| 04/08/2009 | CN101403378A Linear magnetic force activation double-piston intelligent oil extraction pump |
| 04/08/2009 | CN101403374A Light energy-saving axial plunger pump |
| 04/08/2009 | CN100476208C Air compressor |
| 04/07/2009 | US7513752 Beam pump dynamic load monitoring and methods |
| 04/07/2009 | US7513240 High pressure fuel pump provided with damper |
| 04/07/2009 | US7513110 Control apparatus of construction machine and method for calculating input torque |
| 04/02/2009 | WO2009041391A1 Displacement control system for variable displacement compressor |
| 04/02/2009 | WO2009040214A1 Method and device for operating a diaphragm pump |
| 04/02/2009 | US20090087319 Pump system including a variable frequency drive controller |
| 04/02/2009 | US20090085312 Scroll type fluid machine and air suspension apparatus using the same |
| 04/02/2009 | US20090084381 Portable drag compressor powered mechanical ventilator |
| 04/02/2009 | US20090084355 System and method for metering fuel in a high pressure pump system |
| 04/02/2009 | US20090084127 Air Conditioner |
| 04/02/2009 | DE102007045276A1 Engine valve controlling device, has high pressure chamber provided for storing pressure produced by pump i.e. resonance pump, and for using stored pressure from high pressure chamber for pressurizing engine valve |
| 04/02/2009 | DE102004057713B4 Regelsystem für Verdrängerpumpen Control system for positive displacement pumps |
| 04/01/2009 | EP2041436A1 Method for controlling a compressed air unit and a controller and compressed air unit for applying such a method |
| 04/01/2009 | EP2041435A1 Method for controlling a compressed air installation and controller and compressed air installation for employing such a method |
| 04/01/2009 | EP1977300A4 Apparatus and method for controlling operation of linear compressor |
| 04/01/2009 | EP1171713B1 High pressure pump and engine system using the same |
| 04/01/2009 | CN201215627Y Visual control and communication system for high-low pressure lubricating station |
| 04/01/2009 | CN201215078Y Intelligent pressure display controlling and gas supply pressure automatic regulating device for air compressor |
| 04/01/2009 | CN101400895A Pump system with calibration curve |
| 04/01/2009 | CN101400894A Method and device for operating an electric peristaltic hose pump |
| 04/01/2009 | CN101397986A Multifunctional pumping vacuum device |
| 04/01/2009 | CN100473831C Pressure startup device for air compressor |
| 04/01/2009 | CN100473827C Radial piston pump with a roller plunger |
| 03/31/2009 | US7512471 Control device for working vehicle |
| 03/26/2009 | WO2009037069A1 Connecting plate for a hydrostatic piston engine |
| 03/26/2009 | WO2009016468A3 Pump control apparatus and brake control system |
| 03/26/2009 | WO2009010039A3 Device for the infinite variation of the clearance volume of a piston compressor |
| 03/26/2009 | WO2008152235A3 Household apparatus for storing bottles, notably bottles of wine that have been opened and/or partially consumed |
| 03/26/2009 | US20090081054 Structure of Discharging Refrigerant For Linear Compressor |
| 03/26/2009 | US20090081052 Variable displacement pump |
| 03/26/2009 | US20090081051 Monitoring System |
| 03/26/2009 | US20090081050 Pump system |
| 03/26/2009 | US20090081049 Linear compressor controller |
| 03/26/2009 | US20090078241 Method for adjusting a displacement pump that has a variable volume flow rate in an internal combustion engine |
| 03/25/2009 | EP2039935A2 A pumping installation controller |
| 03/25/2009 | EP1134421B1 Autonomous inverter driving hydraulic unit |
| 03/25/2009 | CN201212469Y Monitoring and displaying instrument for mud pump |
| 03/25/2009 | CN201212468Y Brake fixer for pumping unit |
| 03/25/2009 | CN201212467Y Remote numerical control oil production machine |
| 03/25/2009 | CN201212459Y Electric thin oil lubricating pump |
| 03/25/2009 | CN101395371A Linear drive and linear compressor with adaptable output |
| 03/25/2009 | CN101395370A Control valve for compressor |
| 03/25/2009 | CN100472065C Hydraulic axial piston pump |
| 03/24/2009 | US7509233 Diagnostics for identifying a malfunctioning component in an air compressor system onboard a locomotive |
| 03/24/2009 | US7506507 Arrangement and a method for controlling a work vehicle |
| 03/24/2009 | CA2393337C Method for compensating for pressure differences across valves in cassette type iv pump |
| 03/19/2009 | WO2009034187A1 Micrometering system |
| 03/19/2009 | US20090074590 Vehicle control apparatus |
| 03/19/2009 | US20090071142 Hydraulic control device for vehicular hydraulic control circuit |
| 03/18/2009 | EP1697639B1 Method for controlling the drive motor of a positive-displacement vacuum pump |
| 03/18/2009 | CN201209568Y Energy-conserving high-efficiency operation control system for header pumps |
| 03/18/2009 | CN201209531Y Electric control system for high and low voltage thin oil station |
| 03/18/2009 | CN201209527Y High voltage system for high and low voltage thin oil station |
| 03/18/2009 | CN101389866A An industrial process efficiency method and system |
| 03/18/2009 | CN101389863A Method and control unit for operating a linear compressor |
| 03/18/2009 | CN101387287A Handheld vacuum suction device |
| 03/18/2009 | CN101387117A Traveling-type hydraulic working machine |
| 03/18/2009 | CN101387116A Traveling-type hydraulic working machine |
| 03/17/2009 | US7503754 Control valve for variable capacity compressor |
| 03/17/2009 | US7503753 Variable capacity fluid pump for an engine |
| 03/17/2009 | CA2590709C Compressor sound suppression |
| 03/17/2009 | CA2347130C Blood separation systems and methods using a multiple function pump station to perform different on-line processing tasks |