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)
11/1998
11/18/1998CN1040789C Stroke mechanism, especially used in piston pump
11/17/1998US5836747 Variable volume air pump
11/17/1998US5836160 Hydraulic system for driving axial piston type hydraulic motor
11/12/1998WO1998050699A1 Automated, quantitative filtration of liquids
11/12/1998WO1998050698A1 Multiple pump control arrangement
11/12/1998DE19809345A1 Induction-throttled pump
11/11/1998EP0877168A1 Hydraulic drive apparatus
11/11/1998EP0876273A1 Brake pressure control devices
11/11/1998CN1198803A Method and device for producing an intake valve of plate-like construction
11/10/1998US5833440 Linear motor arrangement for a reciprocating pump system
11/10/1998US5833211 Magnetically-powered valve
11/10/1998US5833209 Device and method for influencing the periodic stroke movement of the closing element of a valve
11/10/1998US5832773 In a fluid
11/10/1998US5832737 Gas actuated slide valve in a screw compressor
11/05/1998WO1998049431A1 Two-step regulating valve
11/05/1998DE19718351A1 Apparatus for continuous commercial preparation of whipped cream or substitutes
11/04/1998CN1197888A Pressure regulator
11/03/1998US5831174 Pump station flowmeter
11/03/1998US5829263 Method for controlling water supply of automatic ice maker in refrigerator and water supply device employing the same
10/1998
10/29/1998WO1998048249A1 Device and method for checking supply meters, specially water meters in houses and apartments
10/29/1998WO1998047551A1 Peristaltic pump
10/29/1998WO1998030819A3 Flow control valve for a pressure washer
10/29/1998DE19717922A1 Zweistufenregelventil Two-stage control valve
10/29/1998DE19717794A1 Vehicle power assisted steering displacement pump
10/29/1998DE19717128A1 Vorrichtung und Verfahren zur Prüfung von Verbrauchszählern, insbesondere von Hauswasserzählern und Wohnungswasserzählern Apparatus and method for testing of meters, in particular domestic water meters and water meters apartment
10/27/1998US5827051 Regenerative hydraulic power transmission for down-hole pump
10/22/1998WO1998046883A1 Capacity control apparatus for variable displacement hydraulic pump
10/22/1998DE19715781A1 Pump with variable delivery flow
10/21/1998EP0872252A1 Peristaltic pump
10/21/1998EP0871818A1 Surge recurrence prevention control system for dynamic compressors
10/21/1998CN1196776A Scroll compressor
10/21/1998CN1196449A Control device for oblique disk type changable volume pump
10/20/1998US5825143 Method and apparatus for slowing back spin of a rod string of a progressing cavity pump powered by an electric motor when power is lost
10/20/1998US5823747 Bubble detection and recovery in a liquid pumping system
10/20/1998US5823406 Mobile volume flow filling unit
10/20/1998US5823262 For use in terminating actuation of a pumping unit
10/20/1998US5823091 Radial piston pump having means for selectively disabling at least one of the pumping chambers
10/20/1998US5823000 Of a vehicle
10/15/1998WO1998045594A1 Injection system, pressure valve, flow control valve, and method for setting the fuel pressure
10/15/1998WO1998044969A1 Drive system for controlling cardiac compression
10/15/1998DE19714484A1 Compressed-air system with detachable compressor clutch for vehicle compressed air braking system
10/15/1998CA2285231A1 Drive system for controlling cardiac compression
10/14/1998EP0870973A1 Pump unit for lubrication oil
10/13/1998US5820352 Method for controlling compressor discharge pressure
10/13/1998US5820350 Method and apparatus for controlling downhole rotary pump used in production of oil wells
10/13/1998US5820349 Rotary compressor with reverse rotating braking
10/13/1998US5819848 Flow responsive time delay pump motor cut-off logic
10/08/1998WO1998044619A1 Method for producing a micromotor
10/08/1998WO1998043689A1 Intracardiac pump device
10/08/1998WO1998043688A1 Intracardiac blood pump
10/08/1998CA2256432A1 Intracardiac pump device
10/08/1998CA2256427A1 Intracardiac blood pump
10/08/1998CA2256423A1 Method for producing a micromotor
10/07/1998EP0869285A2 Load sensing control with flushing circuit
10/07/1998CN1195076A Automatic protector for water pump
10/06/1998US5816787 For a reciprocating piston system
10/06/1998US5816778 System for controlling the stroke length of a double-diaphragm pump
10/06/1998US5816360 Method for controlling the pump speed of a hydraulic power steering device
10/01/1998DE19810498A1 Multi cylinder hydropump
10/01/1998DE19714489C1 Einspritzsystem, Druckventil und Volumenstromregelventil und Verfahren zum Regeln eines Kraftstoffdruckes Injection, pressure valve and flow control valve and method for controlling a fuel pressure
09/1998
09/30/1998EP0783395B1 Hydraulic drive unit
09/29/1998US5814004 System for regulating pressure within an extracorporeal circuit
09/29/1998US5813841 Hydraulic pressure control system for a pump
09/23/1998EP0866253A2 Check valve
09/23/1998CN2292174Y Booter pump automatic switch
09/23/1998CN1193696A Variable displacement compressor
09/23/1998CN1193695A Variable displacement compressor
09/22/1998US5811947 Testing and speed control of electric motors in vehicles having electronically controlled braking systems
09/22/1998US5811669 Cycling compressor performance metering
09/22/1998US5810771 Systems and methods for automated testing of medical equipment
09/22/1998US5810565 Regulating device for displacement pumps
09/22/1998US5809792 Apparatus for controlling refrigerator equipped with linear compressor and control method thereof
09/22/1998US5809781 Variable displacement rotary fluid pressure pump
09/22/1998CA2137100C Pumper system for in-situ pigging applications
09/17/1998WO1998040309A1 A condiment dispensing apparatus
09/17/1998DE19810789A1 Motor vehicle air conditioning cooling circuit with compressor and expansion valve connected to the evaporator and condenser
09/16/1998EP0864699A1 Hydraulic control system for construction machine
09/16/1998EP0536267B1 Adjustable rotor for a radial piston fluid machine
09/16/1998CN1193079A Hydraulic control system for building machinery
09/15/1998US5807081 Combination valve for screw compressors
09/15/1998US5807075 Disposable ambulatory microprocessor controlled volumetric pump
09/13/1998CA2232044A1 Sand agitator tool
09/10/1998DE19708887A1 Brake pump, especially for hydraulic vehicle brake system
09/09/1998EP0863306A1 Pressure regulator
09/09/1998EP0702755B1 Multi-stage regulator for lubricant pumps with continuously variable feed rate
09/08/1998US5803712 Method of measuring an occlusion in an infusion device with disposable elements
09/08/1998US5803700 Device for mounting and dismounting a heavy weight
09/03/1998WO1998038428A1 Hydraulic unit and power apparatus
09/03/1998DE19706635A1 Pressure pulsation damping arrangement for pump
09/02/1998CN1191960A Apparatus and method for controlling compressor in refrigerator
09/02/1998CN1191958A Combination valve for screw compressors
09/02/1998CN1191939A Mule head shifter of oil-well pump unit
09/02/1998CN1191937A Pump with bypass valve
09/01/1998US5800137 Refrigerating compressor with breakaway pulley portion
09/01/1998US5800136 Pump with bypass valve
09/01/1998US5800135 Sliding vane pump using a drive shaft as a flow divider for enhanced oil circulation
09/01/1998US5800133 For compressing gas
09/01/1998US5800131 Process for regulating the capacity of lubricant pumps and lubricant pump therefor
09/01/1998US5800130 Pressure control system for a variable displacement hydraulic pump
09/01/1998US5799690 Volumetric pump valve
1 ... 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 ... 221