| 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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| 09/06/2007 | US20070204604 Hydraulic Drive Device for Work Machine |
| 09/06/2007 | DE102007007301A1 Systeme und Verfahren zur Erfassung des Schließens eines Ansaugventils Systems and methods for detecting the closing of an intake valve |
| 09/06/2007 | DE102005018049B4 Variable Fördermengensteuerung für eine stationär arbeitende Verdrängerpumpe Variable flow control for a stationary working displacement pump |
| 09/05/2007 | EP1830066A2 Hydraulic control apparatus of working machine |
| 09/05/2007 | EP1830053A1 Control device for traveling working vehicle |
| 09/05/2007 | EP1828606A2 Prevention of unpowered reverse rotation in compressors |
| 09/05/2007 | EP1828602A2 Control system for an air operated diaphragm pump |
| 09/05/2007 | EP1700067A4 Compressor protection and diagnostic system |
| 09/05/2007 | CN200943575Y Full-automatic vacuum box |
| 09/05/2007 | CN200943574Y Large power submersible linear permanent-magnet step motor plunger pump |
| 09/05/2007 | CN200943570Y Miniature diaphragm pump |
| 09/05/2007 | CN101028616A Automatic water-break hang-up protector for backpack motor-driven sprayer |
| 09/05/2007 | CN100335786C Apparatus and method for controlling operation of compressor |
| 09/05/2007 | CN100335784C Mini jockey pump |
| 09/04/2007 | US7264449 Automatic liquid collection and disposal assembly |
| 09/04/2007 | US7263978 Dual pressure on demand automotive fuel pump |
| 09/04/2007 | US7263877 Determination of the piston stroke in a reciprocating piston machine |
| 09/02/2007 | CA2579068A1 Method for using a pump set having secure loading features |
| 08/30/2007 | WO2007098242A2 An improved sensor-less control method for linear compressors |
| 08/30/2007 | WO2007098131A2 Pump and pump control circuit apparatus and method |
| 08/30/2007 | WO2007096719A1 Oil pressure system and control method therefor |
| 08/30/2007 | WO2007095685A1 An industrial process efficiency method and system |
| 08/30/2007 | US20070201989 Low ripple gear pump/motor |
| 08/30/2007 | US20070201988 Vacuum Pump |
| 08/30/2007 | US20070201986 Fan rotational speed controlling circuit |
| 08/30/2007 | US20070201985 Diaphragm pump of constant pressure type |
| 08/30/2007 | DE102006009256A1 Compressor apparatus for household cooling equipment e.g. refrigerator, freezer has linear drive having adjustable rotor zero position, and linear compressor having adjustable piston zero position |
| 08/30/2007 | DE102006009231A1 Operation method for linear compressor in cooling equipment involves evaluating amplitude of motion of linear compressor to determine overloaded condition |
| 08/30/2007 | DE102006009230A1 Linear compressor operation method involves applying direct current to winding to displace armature from rest position |
| 08/30/2007 | DE102006009047A1 Pump arrangement for heating system, has flow meter arranged in heating medium path between inlet and outlet connection, and supplies signal corresponding to heating medium flow through heating medium line |
| 08/29/2007 | EP1826408A2 Metering pump with self-calibration and health prediction |
| 08/29/2007 | CN101025156A DC frequency-changeable compressor driving apparatus and method |
| 08/29/2007 | CN101025155A Systems and methods for detecting suction valve closure |
| 08/29/2007 | CN101025150A Utilizing system of double-head pump and its circuit control system |
| 08/29/2007 | CN100334350C 线性压缩机 Linear Compressor |
| 08/29/2007 | CN100334349C Air compressor and its controlling method |
| 08/29/2007 | CN100334348C Running controlling method of reciprocating dynamic compressor |
| 08/28/2007 | US7263413 Electronic control system for installations which generate compressed air or vacuums |
| 08/28/2007 | US7260951 Pressure equalization system |
| 08/23/2007 | WO2007094226A1 Control valve for variable displacement compressor |
| 08/23/2007 | US20070196219 Device and method for controlling a two cylinder thick matter pump |
| 08/23/2007 | US20070196214 Sensor-less control method for linear compressors |
| 08/23/2007 | US20070196213 Metering pump with self-calibration and health prediction |
| 08/23/2007 | US20070193263 Displacement control signal correction method, displacement control device, construction machine and displacement control signal correction program |
| 08/23/2007 | DE10246797B4 Motorsteuervorrichtung eines Fahrzeugs The motor control apparatus of a vehicle |
| 08/23/2007 | DE102006007731A1 Vehicle hydraulic brake system monitoring method, involves detecting fault of pump based on temporal characteristics of hydraulic storage pressure, and detecting failure of pump if multiple faults are detected in preset time |
| 08/23/2007 | DE102005058100B3 Reciprocating piston machine as pump or engine for production of energy from wave movements of sea, has cylinder, which has two openings connected with flow guidance channels in cover |
| 08/23/2007 | DE102005019585B4 Elektrische Luftpumpe für ein Sekundärluftzufuhrsystem Electrical air pump for a secondary air supply system |
| 08/23/2007 | DE10200378B4 Gerät und Verfahren zum Steuern eines elektrischen Verdichters Apparatus and method for controlling an electric compressor |
| 08/22/2007 | EP1820262A2 Operation control device and method of compressor |
| 08/22/2007 | CN2937627Y Outer control variable displacement compressor |
| 08/22/2007 | CN2937554Y Multifunction protector for tube oil-well pump |
| 08/22/2007 | CN2937553Y 改进的泵调压结构 Improved pump regulator structure |
| 08/22/2007 | CN2937552Y Automatic batch-type pumping device |
| 08/22/2007 | CN2937551Y Electronic anti-racing protector |
| 08/22/2007 | CN101022839A Membrane pump with bleed valve |
| 08/22/2007 | CN101021212A Electric control method and electric control device for plunger variable hydraulic pump |
| 08/22/2007 | CA2578461A1 Nutating pump with reduced pulsations in output flow |
| 08/21/2007 | US7259533 Method of controlling motor drive speed |
| 08/21/2007 | CA2309536C Pneumatic controller and method |
| 08/16/2007 | WO2007090917A1 Device for controlling the blades of a wind turbine |
| 08/16/2007 | WO2007061957A8 System and method for position control of a mechanical piston in a pump |
| 08/16/2007 | US20070189907 Pump apparatus, system having the same, and method for operating the same |
| 08/16/2007 | US20070189906 Multichamber tank for motor vehicles |
| 08/16/2007 | US20070186566 Cryogenic fluid pumping system |
| 08/16/2007 | DE10135800B4 Druckmittelaggregat mit kontinuierlich steuerbarem Strömungsquerschnitt in der Umsteuerung Pressure means unit with continuously controllable flow cross-section in the reversing |
| 08/16/2007 | CA2641849A1 Device for controlling the blades of a wind turbine |
| 08/16/2007 | CA2559597A1 Liquid pump |
| 08/15/2007 | CN2934662Y 空气压缩机 Air compressor |
| 08/15/2007 | CN2934661Y Oil well screw pump mechanical transmission ground driving device |
| 08/15/2007 | CN2934660Y Hydraulic integral pump source valve block |
| 08/15/2007 | CN101018988A Valve for preventing unpowered reverse run at shutdown |
| 08/15/2007 | CN101016833A Energy-storage skid-mounted intelligent hydraulic pumping unit |
| 08/14/2007 | US7255681 Diaphragm pump and pump for double-breast pumping |
| 08/14/2007 | US7255539 Pump pressure limiting engine speed control |
| 08/09/2007 | WO2007089842A1 Airflow compressor control system and method |
| 08/09/2007 | WO2007089083A2 Control apparatus for linear compressor |
| 08/09/2007 | WO2007088380A1 Operating method for a hydraulic machine |
| 08/09/2007 | WO2007087693A1 Improved compressor device |
| 08/09/2007 | US20070183905 Pond pump having a controllable suction volume |
| 08/09/2007 | US20070183903 Fluid flow control system |
| 08/09/2007 | US20070183902 Anti-entrapment and anti-dead head function |
| 08/09/2007 | US20070183901 Safety override circuit for pneumatic positioner and method of use thereof |
| 08/09/2007 | US20070183900 Submersible pumping system |
| 08/09/2007 | US20070180841 System for controlling compressor of cooling system and method for controlling the same |
| 08/09/2007 | DE19902107B4 Verdrängungssteuervorrichtung für eine verstellbare Hydraulikeinheit A displacement control device for a variable displacement hydraulic unit |
| 08/08/2007 | EP1816352A2 Controller for a motor and a method of controlling the motor |
| 08/08/2007 | CN2931855Y Improved double-braking device of pumping unit |
| 08/08/2007 | CN2931854Y Automatic unloading one-way valve of air compressor |
| 08/08/2007 | CN2931853Y Median positioning device of hydraulic transmission device |
| 08/08/2007 | CN2931591Y Living wastewater recovery equipment |
| 08/08/2007 | CN101014816A Temperature control for free-piston cryocooler with gas bearings. |
| 08/08/2007 | CN101012825A Hydraulic controller of double acting reciprocating pump |
| 08/08/2007 | CN101012665A Layered control principle based interflow conduit wastewater spillage control method |
| 08/07/2007 | US7252483 Method of managing time, at which maintenance in a gas compressor multiple system should be carried out |
| 08/07/2007 | US7252482 Motor driven pump with improved motor cooling air flow |
| 08/07/2007 | US7251948 Pressure equalizer of compressor of air conditioner |
| 08/02/2007 | WO2007086270A1 Electric compressor, and air conditioning system for vehicle, using the electric compressor |
| 08/02/2007 | WO2007086257A1 Electric compressor |
| 08/02/2007 | WO2007086165A1 Electric signal input-type capacity control device and hydraulic facility |