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)
09/2003
09/18/2003US20030175125 Operation control method of reciprocating compressor
09/18/2003US20030173834 Linear motor controller
09/17/2003EP1344934A2 Oscillation-type compressor
09/17/2003EP1344933A2 Improved drive structure of linear compressor
09/17/2003CN1442613A Regulatable and induction type air mattress bed aeration pump
09/16/2003US6619932 Restarting device of a pump change-over valve which induces a pressure difference within the pump change-over valve to remove the latter from an intermediate stalled position
09/16/2003US6619928 Variable displacement pump
09/16/2003US6619926 Cam and crank engagement for a reversible, variable displacement compressor and a method of operation therefor
09/13/2003CA2377800A1 A device to monitor the prime of a chemical feed pump
09/12/2003WO2003074878A1 Hydraulic system comprising a variable displacement pump
09/12/2003WO2003074873A1 Apparatus for on/off controlling a pump in a liquid distribution network
09/12/2003WO2003011376A8 Apparatus and method for regulating fluid pump pressures
09/11/2003US20030170127 Thick matter pump
09/11/2003US20030167784 Two-stage compressor for an automotive air conditioner, which can be driven by a vehicle running engine and an electric motor different therefrom
09/11/2003DE29824942U1 Test system for testing consumption meters especially domestic water meters - has fixed volume pump through which constant through flow of medium flowing through meter can be adjusted and measured and control unit for controlling pump
09/10/2003EP1342911A2 Fuel feed system
09/10/2003EP1342304A2 Compressor terminal fault interruption
09/10/2003EP1342010A1 Radial piston pump
09/10/2003EP1129288A4 Detecting obstructions in enteral/parenteral feeding tubes and automatic removal of clogs therefrom
09/10/2003CN2572043Y Tyre automatic inflating machine
09/10/2003CN2572042Y Vacuum regulator
09/10/2003CN1441166A Device and method for controlling reciprocating compressor
09/10/2003CN1441165A Controller for variable displacement type compressor
09/09/2003US6616424 Drive system and method for the operation of a fuel cell system
09/09/2003US6616419 Variable displacement pump
09/09/2003US6616416 Methods and system for motor optimization using capacitance and/or voltage adjustments
09/09/2003US6616415 Fuel gas compression system
09/09/2003US6616414 Apparatus and method for controlling a compressor
09/09/2003US6615925 Pump control method and apparatus
09/09/2003US6615924 Apparatus and system control for the removal of fluids and gas from a well
09/09/2003US6615595 Method and system for controlling a compressor
09/09/2003US6615594 Compressor diagnostic system
09/04/2003WO2003072944A1 Dynamic brake with backlash control for peristaltic pump
09/04/2003WO2003072942A1 Method and apparatus for controlling fluid pumps
09/04/2003WO2003072160A2 Network communication and message protocol for a medical perfusion system
09/04/2003WO2002049178A8 Compressor terminal fault interruption
09/04/2003US20030164691 Linear compressor drive device
09/04/2003US20030164161 Fuel feed system
09/04/2003DE20308701U1 Single-cylinder radial pump has drive shaft which is simultaneously cylinder block and control slide, with one housing connected to further housing in which are located inlets and outlets at angle of 90 degrees to one another
09/03/2003EP1340918A1 Turbomolecular pump
09/03/2003EP1340911A2 Pressure washer having oilless high pressure pump
09/03/2003EP1228313B1 Hydraulic piston pump
09/03/2003EP1171707B1 Variable delivery pump and common rail fuel system using the same
09/03/2003CN1120337C Drive control unit for outdoor unit of air conditioner
08/2003
08/28/2003WO2003071131A1 Thermally-actuated switch
08/28/2003WO2003070299A1 Implantable heart assist system
08/28/2003US20030161735 Apparatus and method of controlling linear compressor
08/28/2003US20030161734 Apparatus and method for controlling linear compressor
08/28/2003US20030161733 Pump apparatus
08/28/2003CA2785934A1 Implantable heart assist system
08/27/2003EP1338794A1 Reciprocating pump, particularly for vacuum insulated domestic refrigerators
08/27/2003CN2568840Y Automatic warner when plunger pump stopping
08/27/2003CN1439079A Vane-cell pump
08/27/2003CN1438373A Fabric for making blanket of covering floor and stairs
08/26/2003US6610004 Implantable heart assist system and method of applying same
08/26/2003US6609900 Dynamic brake with backlash control for peristaltic pump
08/26/2003US6609896 Device and method for reducing forces in mechanisms
08/21/2003WO2003069145A1 Fuel injection device for an internal combustion engine
08/21/2003WO2003068548A1 Method of controlling a compressor driven by the engine of a vehicle
08/21/2003US20030158705 Method for avoiding irregular shutoff of production equipment and system for avoiding irregular shutoff
08/21/2003US20030156952 Method and system intended for fine proportioning of fluids injected into a pumping installation
08/21/2003US20030156949 Hydraulic driving unit for working machine, and method of hydraulic drive
08/21/2003US20030156946 Methods and system for motor optimization using capacitance and/or voltage adjustments
08/21/2003US20030154731 Control device for variable displacement type compressor
08/20/2003EP1336761A2 Control device for autoclave pump
08/20/2003EP1336757A2 Control device for variable displacement type compressor
08/20/2003EP1015765B1 Apparatus and method for diagnosing the status of specific components in high-pressure fluid pumps
08/20/2003EP0985087B1 Hydraulic drive system with constant pressure in pressure conduit
08/20/2003CN2567367Y Built-in protector for compressor
08/20/2003CN1436932A Volume control valve
08/19/2003US6607366 Variable clearance system for reciprocating compressors
08/19/2003US6607360 Constant pressure pump controller system
08/19/2003US6607142 Electric coolant pump control strategy for hybrid electric vehicles
08/19/2003US6606935 Variable rate pump
08/19/2003US6606858 Neutral override for servo controlled hydrostatic units
08/14/2003WO2003067075A1 Fuel-injection device for an internal combustion engine
08/14/2003US20030152471 Medium pump
08/14/2003US20030152465 Dual function hydraulic valve and circuit
08/13/2003EP1334019A2 Method and device for controlling the supply of a pressure medium on rail vehicles (compressor-management)
08/13/2003CN1435570A Variable displacement compressor controlling device
08/13/2003CN1117930C Single-source gas actuation for screw compressor slide valve assembly
08/13/2003CA2371511A1 Dual function hydraulic valve and circuit
08/12/2003US6604913 Vane pump
08/12/2003US6604912 Control valve used for a variable displacement compressor installed in a refrigerant circuit having at least one of a first pressure chamber and a second pressure chamber forming part of the refrigerant circuit
08/12/2003US6604911 Method for regulating a fan in a compressor unit and compressor unit with fan regulated in such manner
08/12/2003US6604909 Diaphragm pump motor driven by a pulse width modulator circuit and activated by a pressure switch
08/12/2003US6604908 Methods and systems for pulsed delivery of fluids from a pump
08/07/2003WO2003064857A2 Variable capacity compressor and heat exchanging system
08/07/2003WO2003064836A1 Simplified fuel control for use with a positive displacement pump
08/07/2003US20030148850 Electric oil pump control device
08/07/2003US20030146845 Failure diagnostic apparatus for hydraulic equipment
08/07/2003US20030145615 Capacity control valve
08/06/2003EP1333187A2 Exhaust apparatus with control means for a multistage labyrinth seal of a hydrostatic bearing used in vacuum
08/06/2003EP1333177A1 Capacity control valve
08/06/2003EP1333173A1 Accumulator distribution type fuel injection pump
08/06/2003EP1331957A2 Occlusion detection method and system for ambulatory drug infusion pump
08/06/2003CN1434901A Method of controlling and monitoring piston position in compressor
08/05/2003US6601400 Separate-type air conditioner
07/2003
07/31/2003WO2003062643A1 Speed control for a pumping system
07/31/2003US20030144818 Pump trouble diagnosing device for hydraulic drive device and display device of the diagnosing device
1 ... 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 ... 221