| 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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| 03/11/1998 | CN1175665A Control device for enhancing anti-interference nature of hydraulic piston-pump |
| 03/11/1998 | CN1175664A Electronic cam compensation of pressure change of servo controlled pumps |
| 03/10/1998 | US5725364 Pressure control module |
| 03/10/1998 | US5725360 Load sensor for variable displacement pumps |
| 03/10/1998 | US5725359 Pool pump controller |
| 03/10/1998 | US5725358 Pressure regulated electric pump |
| 03/10/1998 | US5725022 Direction control valve |
| 03/05/1998 | WO1998009076A1 Travelling thick matter pump |
| 03/05/1998 | DE19737480A1 Swashplate compressor |
| 03/05/1998 | DE19701130C1 Paint controlled pump drive for road marking machine |
| 03/05/1998 | DE19635458A1 Membrane pump |
| 03/05/1998 | DE19635200A1 Fahrbare Dickstoffpumpe Mobile slurry pump |
| 03/05/1998 | DE19634518A1 Piston pump, especially piston vacuum pump |
| 03/04/1998 | EP0826110A1 Sliding hydraulic output and moment regulation device |
| 03/04/1998 | EP0725898B1 Piston for gaseous media piston compressor |
| 03/04/1998 | EP0725897B1 Piston compressor for gaseous media |
| 03/04/1998 | CN1174973A Cooling liquid circulation circuit with fluid flow controller |
| 03/04/1998 | CN1174938A Positive-displacement compressor and assembling method |
| 03/03/1998 | US5722310 Single headed piston type variable capacity refrigerant compressor provided with an improved inclination limiting means for a swash plate element |
| 02/26/1998 | WO1998007588A1 Device and method for control of air compressor |
| 02/26/1998 | DE19633539A1 Servo-assisted pressure-release valve |
| 02/25/1998 | CN1174292A Control valve in variable displacement compressor |
| 02/24/1998 | US5720598 Method and a system for early detection of defects in multiplex positive displacement pumps |
| 02/19/1998 | WO1998006946A1 Apparatus for diagnosing failure of hydraulic pump for work machine |
| 02/19/1998 | WO1998006945A1 Method and device for adjusting pressure in a fluid circuit and piston pump used |
| 02/19/1998 | WO1998006614A1 Energy supply for a compressed air braking system, in particular for utility vehicles |
| 02/19/1998 | DE19632754A1 Energieversorgungseinrichtung einer Druckluft-Bremsanlage, insbesondere für Nutzfahrzeuge Power supply means of a compressed air braking system, in particular for commercial vehicles |
| 02/18/1998 | EP0824194A2 System for linking and coordinated operation of electronically controlled motors, especially for driving pumps or ventilators |
| 02/18/1998 | EP0824193A2 Hydraulic actuator for pressure switch of fluidic system |
| 02/18/1998 | EP0824191A2 Variable displacement compressor |
| 02/18/1998 | CN1173912A Adjustable hydrostatic pump |
| 02/18/1998 | CN1173592A Method and apparatus for operating hydraulic drive |
| 02/17/1998 | US5718565 Apparatus and process for operating a dry-compression vacuum pump |
| 02/12/1998 | WO1998005869A1 Vacuum pumping apparatus |
| 02/12/1998 | DE19646687C1 Power and moment regulator for several variable output hydraulic pumps |
| 02/12/1998 | CA2212705A1 Variable displacement compressor |
| 02/10/1998 | US5716194 System for increasing flow uniformity |
| 02/05/1998 | WO1998004835A1 Process for regulating a unit or a frequency converter |
| 02/05/1998 | DE19630938A1 Fuel supply line fuel volume-flow control valve |
| 02/03/1998 | US5713726 Pump apparatus |
| 02/03/1998 | US5713725 Clutchless piston type variable displacement compressor |
| 02/03/1998 | US5713724 System and methods for controlling rotary screw compressors |
| 01/29/1998 | WO1998003788A1 Fuel injection pump with integrated solenoid control valve for by-pass |
| 01/29/1998 | DE19731434A1 Compressor arrangement for air-conditioning of motor vehicle |
| 01/29/1998 | CA2260875A1 Fuel injection pump with integrated solenoid control valve for by-pass |
| 01/28/1998 | EP0821167A1 Displacement controlling device for a variable displacement type hydraulic pump |
| 01/28/1998 | EP0821166A2 Safety device for a pump |
| 01/28/1998 | EP0821165A1 Control device for starting and stopping a submersible pump |
| 01/28/1998 | EP0821164A2 Method for switching on or off systems or machines in a fluid power system |
| 01/28/1998 | EP0821163A1 Apparatus for controlling swash-plate pump and motor |
| 01/22/1998 | WO1998002658A1 Dosing pump with magnetic control |
| 01/22/1998 | WO1998002282A1 Pumping unit with speed transducer |
| 01/21/1998 | EP0730721B1 Electronic control arrangement for motor-driven refrigeration compressors |
| 01/21/1998 | EP0626892B1 Pump apparatus for pumping melt metal |
| 01/21/1998 | CN1170831A Hydraulic system for power loaders |
| 01/21/1998 | CN1170827A Piston type compressor |
| 01/20/1998 | US5710401 Volumetric pump/valve |
| 01/20/1998 | US5709526 Surge recurrence prevention control system for dynamic compressors |
| 01/15/1998 | DE19729167A1 Hydrauliksystem für Fahrlader Hydraulic System for LHD |
| 01/15/1998 | DE19627438A1 Arrangement for adjusting outlet pressure of rotary pump |
| 01/15/1998 | DE19621905C1 Hydraulic system for intermittent operation of variable displacement pump |
| 01/14/1998 | EP0817917A1 Circulating blower, vacuum pump or the like |
| 01/14/1998 | CN1170087A Scroll type compressor with improved variable displacement mechanism |
| 01/13/1998 | US5707211 Variable speed pump system with a hydropneumatic buffer/pressure tank |
| 01/08/1998 | DE19627403A1 Airbrake system compressed air equipment for vehicle |
| 01/08/1998 | DE19626252A1 High pressure test pump for testing car tank system |
| 01/08/1998 | DE19625565A1 Kraftstoff-Förderpumpe für eine Kraftstoff-Einspritzpumpe für Brennkraftmaschinen Fuel feed pump for a fuel injection pump for internal combustion engines |
| 01/08/1998 | DE19625564A1 Kraftstoff-Förderpumpe für eine Kraftstoff-Einspritzpumpe für Brennkraftmaschinen Fuel feed pump for a fuel injection pump for internal combustion engines |
| 01/07/1998 | EP0817356A1 Electric hydraulic hybrid motor |
| 01/07/1998 | EP0816729A1 Relief valve assembly |
| 01/07/1998 | EP0816685A1 Scroll-type compressor with variable displacement mechanism |
| 01/07/1998 | EP0816678A2 Hydraulic control circuit to control several variable displacement pumps in parallel |
| 01/07/1998 | EP0816672A2 High-pressure pump for use in fuel injection system for diesel engine |
| 01/07/1998 | CN1169510A Variable displacement compressor and method for controlling same |
| 01/06/1998 | US5704766 Method and circuit arrangement for controlling the flow rate of a hydraulic pump |
| 01/02/1998 | DE19625393A1 Drehwerksteuerung mit doppelseitiger Bremsung Slew drive control with double-sided braking |
| 01/02/1998 | DE19624531A1 Hydraulic motor drive arrangement for vehicle |
| 12/31/1997 | WO1997049917A1 Fuel supply pump for a fuel injection pump for internal combustion engines |
| 12/31/1997 | WO1997049910A1 Fuel supply pump for a fuel injection pump for internal combustion engines |
| 12/31/1997 | CN1168965A Driving apparatus for linear compressor |
| 12/30/1997 | US5701933 Hydraulic control system having a bypass valve |
| 12/30/1997 | US5701873 Control device for a filling-ratio adjusting pump |
| 12/29/1997 | EP0814263A2 Variable displacement compressor and its assembling method |
| 12/29/1997 | EP0814262A2 Variable displacement compressor |
| 12/29/1997 | EP0745189B1 Device for regulating the total output of at least two hydrostatic variable displacement pumps |
| 12/29/1997 | EP0660902A4 Submersible well probe sleeve. |
| 12/24/1997 | CN1168716A Control device for a variable displacement hydraulic pump |
| 12/24/1997 | CN1168448A Variable displacement compressor |
| 12/23/1997 | US5700137 Low profile positive displacement pump system |
| 12/23/1997 | US5700136 Digital pump with bypass inlet valve |
| 12/23/1997 | US5699716 Swash plate type variable displacement compressor |
| 12/18/1997 | WO1997047503A1 Method and circuit for regulating a pump motor in a vehicle control system |
| 12/18/1997 | DE19623537A1 Metering pump for viscous fluids |
| 12/18/1997 | DE19622267C1 Vehicle IC engine control and regulation system for reversible hydraulic displacement pumps with maximum pressure limiting |
| 12/17/1997 | EP0812987A2 Variable displacement compressor |
| 12/17/1997 | EP0655107A4 Programmable infusion pump with interchangeable tubing. |
| 12/17/1997 | CN1167879A Apparatus for automatic controlling load of oil pumping unit and balance of oil well liquid supply rate |
| 12/16/1997 | US5697764 Displacement control system for variable displacement hydraulic pump |
| 12/11/1997 | WO1997046404A1 Pneumatic suspension |
| 12/11/1997 | DE19722495A1 Pump with adjustable throughput e.g. for vehicle |