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)
11/2005
11/30/2005CN1229907C Apparatus for controlling driving linear motor and method thereof
11/29/2005US6970793 Apparatus and method for detecting malfunctions in high-pressure fluid pumps
11/29/2005US6968870 Automatic suction structure of a vacuum container
11/29/2005US6968861 Gravitational safety valve for material delivery systems
11/24/2005WO2005111425A2 Fixed and variable compressor system capacity control
11/24/2005WO2005111418A1 Axial piston compressor, especially for an air-conditioning installation of a motor vehicle
11/24/2005US20050261805 Device for programming a pump used to inject medicaments
11/24/2005US20050260086 Linear compressor with sensor
11/24/2005US20050260085 Dry-running reciprocating vacuum pump
11/24/2005US20050260083 Linear motor and linear compressor having the same
11/24/2005US20050260081 Vacuum pumping system and method for monitoring of the same
11/24/2005US20050260079 Electronic control for pool pump
11/24/2005DE202005013303U1 Pump, especially motor and pump unit for motor vehicle's servo steering system, has fluid outlet of pressure limiting valve connected to suction connection of pump
11/24/2005DE19952578B4 Vorrichtung und Verfahren zum Steuern eines Linearverdichters Apparatus and method for controlling a linear compressor
11/24/2005DE102004022111A1 Kolbenpumpe mit aktiv betätigbarem Verschlusselement Piston pump with active shutter member operable
11/23/2005EP1598616A2 A compressor controller
11/23/2005EP1598615A2 An adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor
11/23/2005EP1598614A2 An adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor
11/23/2005EP1598613A2 An adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor
11/23/2005EP1598612A2 An adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor
11/23/2005EP1598611A2 An adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor
11/23/2005EP1598557A1 Compressor lubrication control
11/23/2005EP1598555A1 Motor pump unit having means to limit the pressure of the hydraulic fluid which is being pumped by said pump
11/23/2005EP1598554A2 Dry running piston type vacuum pump
11/23/2005EP1597482A1 Apparatus and method for detecting malfunctions in high-pressure fluid pumps
11/23/2005CN2742190Y Horizontal well relay pump lift device
11/23/2005CN2742189Y Reverse rotation speed limit bracker for hydraulic oil pumping screw pump
11/23/2005CN1701178A Method for detecting the state of charge of an electromagnetic pump having a vibrating core and pertaining to an electrical household appliance
11/23/2005CN1701165A Fan revolution speed control method
11/23/2005CN1699950A Hydraulic machine, system for monitoring health of hydraulic machine, and method thereof
11/23/2005CN1699755A A compressor controller and method
11/23/2005CN1699751A Linear compressor with sensor
11/23/2005CN1699750A Linear motor and linear compressor having the same
11/23/2005CN1228549C Operation control method for linear compressor
11/22/2005US6966895 Syringe pumps
11/22/2005US6966325 Method for manipulating dosage control apparatus
11/22/2005US6966195 Air conditioning system
11/22/2005US6966180 Control arrangement and method for a hydraulic system
11/17/2005WO2005108789A2 Fuel delivery system and method providing regulated electrical output
11/17/2005US20050254981 Light gas vacuum pumping system
11/17/2005US20050254980 Control method for controlling the gas flow in a compressor
11/17/2005US20050254979 Variable output control for a fixed displacement pump
11/17/2005US20050254977 Hermetic compressor and refrigeration unit
11/17/2005US20050254962 Fuel pump with internal pressure regulation
11/17/2005US20050254960 Fuel delivery system and method providing regulated electrical output
11/17/2005US20050254959 Fan revolution speed control method
11/17/2005US20050253474 Synchronous induction motor and manufacturing method and drive unit for the same, and hermetic electric compressor
11/17/2005US20050252468 Valve timing control device having vane rotor
11/17/2005US20050252369 Regulating device for hydrostatic piston machines
11/17/2005US20050252224 Method of controlling compressor and controller
11/17/2005US20050252223 Compressor controlling apparatus and method
11/17/2005DE102004031951B3 High-pressure unit for spraying cleaning fluid has return flow preventer in suction line, part of which is in form of elastic pressure store
11/17/2005CA2566399A1 Fuel delivery system and method providing regulated electrical output
11/16/2005EP1596066A1 Light gas vacuum pumping system
11/16/2005EP1595077A1 Method for controlling a hydraulic system of a mobile working machine
11/16/2005EP1269021B1 Radial piston pump
11/16/2005EP1220990B1 Adjusting device for a swash-plate piston machine
11/16/2005CN1697957A Method of controlling compressor and controller
11/16/2005CN1696509A Rotary machinery and water supplying apparatus
11/16/2005CN1696508A Rotatable arm type gear down switching oil pump
11/10/2005WO2005106351A2 Temperature control for cryocooler with gas bearings
11/10/2005WO2005106248A1 Stroke volume-variable compressor and method for adjusting the piston stroke in this compressor
11/10/2005US20050249606 Devices and methods for use in assessing a flow condition of a fluid
11/10/2005US20050248634 Pressurizing pump device, liquid ejection apparatus and method of controlling pressurizing pump
11/10/2005US20050247073 Driver of compressor and refrigerator
11/10/2005DE4243075B4 Elektrisch geregelte Verstellpumpe Electrically controlled variable
11/10/2005DE3629638C5 Kolbenpumpe mit variierbarer Verdrängung Piston pump with variable displacement
11/10/2005DE202005007955U1 Pressure regulating device for pipeline system, has frequency converter with integrated electronic flow detector and dry running protection device and converting values of pressure transmitter
11/09/2005EP1592888A1 Air compressor unit inlet control
11/09/2005EP1554514A4 Check valve
11/09/2005EP1490598A4 Head pressure relief assembly
11/09/2005EP1237595B1 Device for compensating for pressure differences across valves in cassette type iv pump
11/09/2005CN1695009A Fluid dispenser calibration system and method
11/03/2005WO2005103582A1 Inverter-driven compressor warm-up operating method and apparatus
11/03/2005WO2005038255A3 Evacuation apparatus
11/03/2005US20050244285 Electric air pump for secondary air supply system
11/03/2005US20050244282 Biological wastewater purification device
11/03/2005US20050244281 Crossover switching valve
11/03/2005US20050244280 Liquid loop with multiple pump assembly
11/03/2005US20050244279 Variable displacement compressor
11/03/2005US20050244278 Piston-type variable displacement compressor
11/03/2005US20050244277 Fixed and variable compressor system capacity control
11/03/2005US20050244276 Pump drive
11/03/2005DE102005014130A1 Schaltventilkonstruktion einer Fluidmaschine Switching valve structure of a fluid machine
11/03/2005DE102004018726A1 Tire inflation compressor has safety mechanism for limiting to safety parameter and may be constructed as overpressure relief valve or temperature sensor
11/03/2005DE102004017980A1 Load controlled hydraulic supply especially for a ratchet screw drive has a single rotary pump whose speed is regulated by sensors and which reduces the volume flow with increasing pressure
11/03/2005DE10162772B4 Mediumfördervorrichtung Media conveyor
11/02/2005EP1591662A2 Piston-type variable displacement compressor
11/02/2005EP1591661A2 Variable displacement compressor
11/02/2005EP1591424A1 Biological waste water treatment plant
11/02/2005CN1692227A Method and device for controlling pump torque for hydraulic construction machine
11/02/2005CN1690424A Permanent low cost radio frequency compressor identification
11/02/2005CN1690420A Variable displacement compressor
11/02/2005CN1690417A Pressure equalizer of compressor of air conditioner
11/01/2005US6960893 Driving apparatus of a linear motor
11/01/2005US6959545 Engine control based on flow rate and pressure for hydraulic hybrid vehicle
11/01/2005CA2277380C A method for regulating fluid pressure
10/2005
10/27/2005WO2005100793A1 Method for correcting tilt control signal, tilt controller, construction machine, and program for correcting tilt control signal
10/27/2005WO2005100792A1 Pressure and flow controller for a pump
10/27/2005WO2005100791A1 Gas pressure driven fluid pump having an electronic cycle counter and method
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