| 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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| 09/08/2004 | CN1526953A Screw compressor and operating method thereof |
| 09/07/2004 | US6786702 Fuel metering unit |
| 09/07/2004 | US6786202 Hydraulic pump circuit |
| 09/02/2004 | WO2004074686A1 Method for controlling a hydraulic system of a mobile working machine |
| 09/02/2004 | US20040170510 Method for using a hydraulic amplifier pump in ultrahigh pressure liquid chromatography |
| 09/02/2004 | US20040168434 Hydraulic module |
| 09/02/2004 | DE19958249B4 Hochdruck-Kraftstoffpumpenanlage High-pressure fuel pump system |
| 09/02/2004 | DE10359270A1 Steuerung einer Vakuumpumpe Control of a vacuum pump |
| 09/02/2004 | DE10306006A1 Hydraulikmodul Hydraulic module |
| 09/02/2004 | DE10229659B4 Steuerventil für einen Verdichter mit variablem Hub A control valve for a variable displacement compressor |
| 09/01/2004 | EP1451474A1 Drive |
| 09/01/2004 | CN1525065A Oscillation-type compressor |
| 08/31/2004 | US6784633 Method and apparatus for controlling switched reluctance motor and compressor |
| 08/31/2004 | US6783333 Air compressor |
| 08/31/2004 | US6783332 Control valve of variable displacement compressor with pressure sensing member |
| 08/31/2004 | US6783328 Method and apparatus for controlling fluid pumps |
| 08/26/2004 | WO2004072485A1 Digital pressure controller for pump assembly |
| 08/26/2004 | WO2004072479A1 Apparatus and method for detecting malfunctions in high-pressure fluid pumps |
| 08/26/2004 | US20040167738 System and method for power pump performance monitoring and analysis |
| 08/26/2004 | US20040167698 Electronically controlled hydraulic brake system |
| 08/26/2004 | US20040165994 Displacement varying structure of variable displacement compressor |
| 08/26/2004 | US20040165993 Limiter device for variable displacement compressor |
| 08/26/2004 | US20040164176 By-pass valve unit for a high pressure liquid delivery unit |
| 08/26/2004 | US20040163613 System for supply of compressed air and vehicle including a system for supply of compressed air |
| 08/26/2004 | DE10306418A1 Antriebsanordnung für ein Förderaggregat Drive assembly for a delivery unit |
| 08/26/2004 | DE10120252B4 Pumpe mit veränderlichem Förderhub Pump with variable delivery stroke |
| 08/26/2004 | CA2514312A1 Apparatus and method for detecting malfunctions in high-pressure fluid pumps |
| 08/25/2004 | EP1450471A1 Motor driving apparatus for a linear vibration motor |
| 08/25/2004 | EP1449731A1 Electronically controlled hydraulic brake system |
| 08/25/2004 | EP1448893A1 Determination of the piston stroke in a reciprocating piston machine |
| 08/25/2004 | EP1448892A1 Pump and pump control circuit apparatus and method |
| 08/25/2004 | EP1000245B1 Hydraulic system having a variable delivery pump |
| 08/25/2004 | CN2635941Y Pressure controller for air compressor |
| 08/24/2004 | US6779987 Pressure washer having oilless high pressure pump |
| 08/24/2004 | US6779986 Radial piston pump |
| 08/24/2004 | US6779984 Position sensor and compressor |
| 08/24/2004 | US6779982 Apparatus for controlling driving of reciprocating compressor and method thereof |
| 08/24/2004 | US6779981 Fan control system using a microcontroller |
| 08/24/2004 | US6779354 Temperature control device of liquid cooling device |
| 08/19/2004 | WO2004070206A1 Plant for producing compressed gas and method for using said plant |
| 08/19/2004 | US20040161340 Drive arrangement for a conveying device |
| 08/19/2004 | US20040159807 High speed unloader for gas compressor |
| 08/19/2004 | US20040159231 Apparatus for assembling swash plate with pistons in a swash plate compressor |
| 08/19/2004 | US20040159115 Apparatus for driving a compressor and a refrigerating air conditioner |
| 08/19/2004 | DE10304665A1 Antrieb mit Hydromaschine Drive with hydraulic machine |
| 08/18/2004 | EP1446581A2 Management and optimization of load sharing between multiple compressor trains for controlling a main process gas variable |
| 08/18/2004 | EP1446579A1 Linear motor controller |
| 08/18/2004 | CN1522163A Occlusion detection method and system for ambulatory drug infusion pump |
| 08/18/2004 | CN1521582A Variable speed control of multiple motors |
| 08/18/2004 | CN1521406A Speed control apparatus for hydraulic actuator |
| 08/18/2004 | CN1521400A Apparatus for assembling swash plate with pistons in a swash plate compressor |
| 08/18/2004 | CN1162620C High-pressure dome type compressor |
| 08/12/2004 | WO2004068693A2 Brushless and sensorless dc motor control system with locked and stopped rotor detection |
| 08/12/2004 | US20040158419 Apparatus and method for detecting malfunctions in high-pressure fluid pumps |
| 08/12/2004 | US20040156727 Variable displacement pump |
| 08/12/2004 | US20040155120 Fuel-injection device for an internal combustion engine |
| 08/12/2004 | US20040155118 Fluid pump |
| 08/12/2004 | US20040155055 System for supply of a pressurized gas and method for verifying that a compressor is active in a system for supply of a pressurized gas |
| 08/12/2004 | US20040154295 Speed control apparatus for hydraulic actuator |
| 08/12/2004 | DE19953170B4 Leistungsregelvorrichtung und Ventilblock für eine Leistungsregelvorrichtung Power control unit and valve block for a power control unit |
| 08/12/2004 | DE10354477A1 Sensor für eine Pumpe mit variabler Verdrängung Sensor for a variable displacement pump |
| 08/12/2004 | DE102004004055A1 Entlastungsventilmechanismus für eine Ölpumpe Relief valve mechanism for an oil pump |
| 08/12/2004 | CA2513550A1 Brushless and sensorless dc motor control system with locked and stopped rotor detection |
| 08/11/2004 | EP1445591A2 Continuous liquid flow system |
| 08/11/2004 | EP1445488A2 Drive with hydromachine |
| 08/11/2004 | EP1445487A2 Apparatus for assembling swash plate with pistons in a swash plate compressor |
| 08/11/2004 | EP1368568A4 Axial piston compressor with an axel swashplate actuator |
| 08/11/2004 | EP1181454A4 Apparatus for preventing vacuum compression of scroll compressor |
| 08/11/2004 | EP1114254B1 Control system and method for air compressor |
| 08/11/2004 | CN1520504A Air conditioning unit and method of operating same |
| 08/11/2004 | CN1161546C Control device for method for variable compressor |
| 08/10/2004 | US6773240 Single piston dual chamber fuel pump |
| 08/10/2004 | US6773237 Air compressor workbench |
| 08/10/2004 | US6772990 Capacity control valve |
| 08/10/2004 | US6772607 Refrigerating device |
| 08/10/2004 | US6772591 Pump unit |
| 08/10/2004 | US6772589 Hydraulic system with variable fluid flow under pressure to fluid-operated consumers |
| 08/05/2004 | WO2004065793A1 Air compressor unit inlet control |
| 08/05/2004 | WO2004065792A2 Integrated control system for beam pump systems |
| 08/05/2004 | US20040151594 High pressure reciprocating pump and control of the same |
| 08/05/2004 | US20040151593 Modular system for the control of compression systems |
| 08/05/2004 | US20040151581 Method and apparatus for early fault detection in centrifugal pumps |
| 08/05/2004 | US20040148947 Vehicle air conditioning apparatus |
| 08/04/2004 | EP1442222A1 Vacuum pump |
| 08/04/2004 | EP1387960B1 Method for adjusting a volumetric flow-variable positive displacement pump in an internal combustion engine |
| 08/04/2004 | CN1517820A Flow control circuit |
| 08/04/2004 | CN1517551A Torque control device and torque control method |
| 08/04/2004 | CN1517192A Back filling injection device and method |
| 08/04/2004 | CN1160846C Method for starting and steady-state supply of permanent-magnet synchronous notor particularly for driving hydraulic pump |
| 08/03/2004 | US6769667 Control valve for variable-capacity compressor |
| 08/03/2004 | US6769502 Oil pump drive control apparatus |
| 07/29/2004 | WO2004063569A1 A linear-compressor control system a method of controlling a linear compressor a linear compressor and cooling system |
| 07/29/2004 | US20040146417 Digital fluid pump |
| 07/29/2004 | US20040146412 Method for controlling a thick matter pump |
| 07/29/2004 | US20040144529 Integrated control system for beam pump systems |
| 07/29/2004 | DE10359939A1 Pumpe mit variabler Lieferung und fester Verdrängung Variable delivery pump and fixed displacement |
| 07/29/2004 | DE10247665A1 Regelvorrichtung und Ventilblock für eine Regelvorrichtung Regulator and valve block for a control device |
| 07/28/2004 | EP1441272A2 Process flow control circuit |
| 07/28/2004 | EP1194691B1 Piston pump, method and installation for filtering water |
| 07/28/2004 | EP0987440B1 Capacity control scroll compressor |