| 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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| 05/12/1999 | EP0914553A1 Fuel injection pump with integrated solenoid control valve for by-pass |
| 05/12/1999 | DE19829525A1 Method for reducing heating of conveyor medium in displacement pumps |
| 05/11/1999 | US5902094 Flow control valve for a pressure washer |
| 05/06/1999 | WO1999022143A1 Regulating device for positive-displacement pumps |
| 05/06/1999 | WO1999022138A1 Compressor system and method and control for same |
| 05/06/1999 | EP0912829A1 Dosing pump with magnetic control |
| 05/06/1999 | DE19747852A1 Kolbenpumpe Piston pump |
| 04/29/1999 | WO1999020894A1 Fuel injection device for internal combustion engines |
| 04/29/1999 | WO1999009319A3 Two stage reciprocating compressors and associated hvac systems and methods |
| 04/29/1999 | DE19848310A1 Displacement volume control method for hydraulic pump in construction machine |
| 04/29/1999 | DE19747341A1 Displacement pump |
| 04/29/1999 | DE19746563A1 Fuel injection system for IC engine |
| 04/28/1999 | EP0710199B1 Testing and speed control of electric motors in vehicles having electronically controlled braking systems |
| 04/27/1999 | US5897781 Active pump phasing to enhance chromatographic reproducibility |
| 04/27/1999 | US5897297 Washing objects and recovering contaminants with optimized pump control |
| 04/27/1999 | US5897296 Vibrating compressor |
| 04/22/1999 | DE19846815A1 Valve device for pump |
| 04/21/1999 | EP0909896A2 Oscillating compressor |
| 04/21/1999 | EP0809520B1 Pulsed lavage pump |
| 04/21/1999 | CN1214413A Oscillation-type compressor |
| 04/21/1999 | CN1214397A Auto-acceleration system for prime mover of hydraulic construction machine |
| 04/20/1999 | US5895208 Reciprocating piston machine with capillary passages on valves for pressure relief |
| 04/15/1999 | DE19745118A1 Pressure generator system for automobiles |
| 04/14/1999 | EP0908626A1 Output regulator applicable to metering pumps |
| 04/14/1999 | EP0908624A2 Displacement control valve for use in a variable displacement compressor |
| 04/14/1999 | EP0781380A4 System for increasing flow uniformity |
| 04/14/1999 | EP0742870B1 Hydrostatic axial piston machine |
| 04/13/1999 | US5893272 Method for controlling a compressor of a motor vehicle air conditioner |
| 04/08/1999 | WO1999017178A1 Systems and methods for remotely controlling a machine |
| 04/08/1999 | WO1999017066A1 An adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor |
| 04/08/1999 | WO1999017021A1 Hydraulic machine with radial pistons and variable displacement |
| 04/08/1999 | WO1999017020A1 Torque control device for hydraulic pump of hydraulic construction equipment |
| 04/08/1999 | WO1999017019A1 Pumping and metering device |
| 04/08/1999 | DE19815441A1 Pressure production plant with at least one compressor |
| 04/08/1999 | DE19742632A1 Pump- und Dosiervorrichtung Pumping and metering |
| 04/07/1999 | EP0907021A2 Displacement control valve for use in a variable displacement compressor |
| 04/07/1999 | EP0906993A2 Auto-acceleration system for prime mover of hydraulic construction machine and control system for prime mover and hydrolic pump |
| 04/07/1999 | CN2313077Y Electric fan of automatically controlling wind-speed |
| 04/07/1999 | CN1042850C Pressure control switching device for air compressor |
| 04/06/1999 | US5890877 Cavitation control for swash-plate hydraulic pumps |
| 04/06/1999 | US5890876 Control valve in variable displacement compressor |
| 04/06/1999 | US5890417 Piston for a reciprocating compressor |
| 04/06/1999 | CA2128368C Bearing structure used in a compressor |
| 04/01/1999 | WO1999015792A1 Regulating device for an adjustable hydraulic pump with several consumers |
| 04/01/1999 | DE19742157A1 Regeleinrichtung für eine verstellbare Hydropumpe mit mehreren Verbrauchern Control device for a variable displacement hydraulic pump with several consumers |
| 03/31/1999 | EP0904630A1 Method for producing a micromotor |
| 03/31/1999 | EP0904468A1 Rotary mechanism control system with bilateral braking |
| 03/31/1999 | EP0904467A1 Rotary mechanism control with power supply |
| 03/30/1999 | US5888051 Pump pressure control system |
| 03/30/1999 | US5888050 Precision high pressure control assembly |
| 03/25/1999 | WO1999014505A1 Hydraulic system |
| 03/25/1999 | WO1999014498A2 Temperature control system in a high pressure pump for failure detection of valves and plunger seal |
| 03/24/1999 | EP0903498A1 Submersible pump and method of control therefor |
| 03/24/1999 | EP0903497A1 Submersible effluent pump |
| 03/24/1999 | EP0837988B1 Dosing pump |
| 03/24/1999 | CN1212038A Surge recurrence prevention control system for dynamic compressors |
| 03/23/1999 | US5885063 Variable capacity scroll compressor |
| 03/23/1999 | US5884608 Fuel pump |
| 03/23/1999 | US5884597 Fuel feeding apparatus for internal combustion engine and vehicle using the fuel feeding apparatus |
| 03/23/1999 | US5884480 Fluid power control circuit |
| 03/23/1999 | CA2171716C Flow-metered pumping with load compensation system and method |
| 03/19/1999 | CA2247660A1 Protection apparatus for compressor and controlling method of the same |
| 03/18/1999 | WO1999013215A1 Method for generating high pressurized fuel and a system for generating thereof |
| 03/18/1999 | DE19840026A1 Metering and mixing system for multiple fluids in separate reservoirs with suction pump and electromagnetic valves |
| 03/18/1999 | DE19740579A1 Hydraulic device |
| 03/17/1999 | EP0902187A1 Scroll type compressor with soft start |
| 03/17/1999 | EP0902185A1 Control of a submersible electric pump in response to the level of water |
| 03/17/1999 | EP0901654A1 A self-regulating computerized proportional control device for a water pump |
| 03/17/1999 | EP0901576A1 Bubble detection and recovery in a liquid pumping system |
| 03/17/1999 | EP0901419A1 Pneumatic suspension |
| 03/17/1999 | CN1210945A Scroll compressor |
| 03/16/1999 | US5881722 Portable drag compressor powered mechanical ventilator |
| 03/16/1999 | US5881629 Control device for variable hydraulic machines |
| 03/11/1999 | WO1999011924A1 System for producing high pressure |
| 03/11/1999 | DE19840399A1 Centrifugal blood pump unit for extracorporal blood circulation |
| 03/11/1999 | DE19837616A1 Oil pressure regulating device |
| 03/11/1999 | DE19739662A1 Valve system for reciprocating compressor of braking system in commercial vehicle |
| 03/11/1999 | DE19739653A1 Verfahren zum Erzeugen von unter Hochdruck stehendem Kraftstoff sowie System zur Kraftstoffhochdruckerzeugung A method for generating highly pressurized fuel system and fuel high pressure generation |
| 03/10/1999 | EP0900939A1 Scroll compressor |
| 03/10/1999 | EP0900938A1 Oil pump with bypass valve |
| 03/10/1999 | EP0900937A2 Apparatus and method for operating of fluid displacement apparatus with variable displacement mechanism |
| 03/10/1999 | EP0900351A1 Fuel injection method for a stepped gas turbine combustion chamber |
| 03/10/1999 | EP0883742A4 Synchronized unloader system and method for a gas compressor |
| 03/10/1999 | CN2310181Y Pipeline pump automatic switch |
| 03/09/1999 | US5879142 Fluid transfer system and blood cell counter including the same system |
| 03/09/1999 | US5879136 Electrohydraulic adjustable pump |
| 03/09/1999 | US5878773 Auxiliary flow path valve |
| 03/09/1999 | US5878648 Adjustable radial piston machine |
| 03/05/1999 | CA2246826A1 Centrifugal fluid pump assembly |
| 03/04/1999 | DE19738502A1 System zur Hochdruckerzeugung System for generating high pressure |
| 03/04/1999 | DE19738064A1 Control device for membrane pump for loading filter press |
| 03/03/1999 | EP0899457A1 Hydraulic control valve mechanism for progressive start-up of a submersible water pump |
| 03/03/1999 | EP0898653A2 Hydraulic pressure control system for a pump |
| 03/02/1999 | US5877577 Electric hydraulic hybrid motor, control device and control method for the same motor |
| 03/02/1999 | US5876370 Intermittent fluid delivery apparatus and method |
| 03/02/1999 | US5876185 Load sensing pump control for a variable displacement pump |
| 03/02/1999 | US5876184 Electrohydraulic pressure regulating valve |
| 03/02/1999 | US5875630 Hydraulic drive assembly |
| 02/25/1999 | WO1999009320A1 Turning control device with brake and control valves |
| 02/25/1999 | WO1999009319A2 Two stage reciprocating compressors and associated hvac systems and methods |