Patents
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)
06/1996
06/12/1996EP0716228A1 Piston type variable displacement compressor
06/12/1996EP0715704A1 Pump arrangement for an oil burner and method for regulating the capacity of this oil burner
06/12/1996EP0662057B1 Process and circuit arrangement for regulating the flow rate of an hydraulic pump
06/12/1996EP0560953B1 Process for measuring the rotation speed of a rotating component
06/11/1996US5525047 Sealing system for an unloader
06/11/1996US5525046 High pressure cleaning device with leakage flow arrangement
06/11/1996US5525045 For refrigeration systems
06/11/1996US5525043 Hydraulic power control system
06/11/1996US5525040 Controller for oil wells with a thermal dispersion probe
06/06/1996WO1996017136A1 Tractive force control apparatus and method
06/05/1996EP0715080A1 Fluid displacement apparatus with variable displacement mechanism
06/05/1996EP0715077A2 Compressor for single or multi-stage operation
05/1996
05/30/1996WO1996016271A1 Method and control system of controlling a fluid compression system
05/30/1996WO1996015927A1 Anti-lock braking providing pump motor duty cycle based on deceleration and motor voltage feedback
05/30/1996DE19542653A1 Steuervorrichtung für die Fördermenge der Hydraulikpumpe eines Automatikgetriebes A control device for the delivery rate of the hydraulic pump of an automatic transmission
05/30/1996CA2207014A1 Method and control system of controlling a fluid compression system
05/28/1996US5520517 Motor control system for a constant flow vacuum pump
05/24/1996CA2163572A1 System and methods for controlling rotary screw compressors
05/22/1996EP0712467A1 Method of preventing cavitation in an axial piston pump during an aiding load and system and valve employing the same
05/22/1996CN2227764Y Logarithm helical line teeth conical gear and logarithm helical line cam for processing the same
05/22/1996CN1122878A Sliding beam type digital control electric equilibrium device for oil extraction pump
05/21/1996US5518374 Variable capacity swash plate type compressor having pulsation suppressing chamber located capacity control valve
05/21/1996US5518373 Compressor start-up controller
05/21/1996US5518371 Automatic fluid pressure maintaining system from a well
05/21/1996CA2066071C Variable displacement slant plate type compressor with improved dynamic bearings
05/15/1996EP0711982A2 Dosing device for viscous materials
05/15/1996EP0711920A1 Liquid flow apparatus
05/15/1996EP0711918A2 Variable capacity type refrigerant compressor
05/15/1996EP0711383A1 Improved bootstrap power steering systems
05/14/1996US5516265 Interface apparatus for permitting microprocessor-based electronic control of non-electronically controlled air compressors
05/14/1996US5515938 Hydraulic power steering apparatus
05/14/1996US5515879 Load sensed multi-purpose pressure control valve
05/14/1996US5515829 Pressure control system
05/09/1996WO1996013665A1 Vane pump
05/09/1996DE4439899A1 Variable output volume displacement hydraulic machine
05/08/1996EP0710199A1 Testing and speed control of electric motors in vehicles having electronically controlled braking systems
05/07/1996CA2086271C Slant plate type compressor with variable capacity control and safety valve mechanism
05/02/1996DE4438696A1 Flügelzellenpumpe Vane pump
05/02/1996DE19538334A1 Minimum-pressure servo pump e.g. for vehicle diesel engine
05/01/1996EP0709607A2 Pump and over-center snap link
05/01/1996EP0709575A1 Liquid supply system
05/01/1996EP0709572A1 Pumping system with pistons displacing fluids at a constant flow rate
05/01/1996EP0708666A1 Instantaneous volume measurement system and method for non-invasively measuring liquid parameters
05/01/1996CN2226163Y Suspended rope protector for crushing load accident of chain pumping unit rod column
04/1996
04/30/1996CA2035080C Pump monitor
04/25/1996WO1996011717A1 Portable drag compressor powered mechanical ventilator
04/25/1996DE19538836A1 Nuclear reactor coolant circulation pump
04/24/1996EP0708243A1 Pump for feeding fluids
04/24/1996EP0505539B1 Brake pressure regulator for hydraulic motor vehicle braking systems
04/23/1996US5509788 Method of regulating the flow of liquid cleaning chemicals
04/23/1996US5509787 Hydraulic actuator for pressure switch of fluidic system
04/23/1996US5509273 Gas actuated slide valve in a screw compressor
04/18/1996WO1996011336A1 Hydraulic motor equipped with brake device
04/18/1996DE19538494A1 Variable-displacement axial-piston hydraulic unit for pump or motor
04/17/1996EP0707182A2 Control apparatus for variable displacement compressor
04/17/1996EP0707147A2 Control device for a hydrostatic machine
04/17/1996CN1120633A Pressure control switching device for air compressor
04/16/1996US5507624 Sludge Pump
04/10/1996CN2224300Y Pressure remote-controlled pressure-test pump
04/03/1996EP0704784A1 A method and a system for producing and supplying compressed air
04/03/1996EP0704623A1 Delivery control device for hydraulic pumps
04/03/1996EP0704622A2 Valved suction mechanism of a refrigerant compressor
04/03/1996CN1119715A Strok mechanism, especially used in piston pump
04/03/1996CN1119707A Delivery control device for hydraulic pumps and hydraulic systems with such devices
04/02/1996US5503537 Gas compressor
04/02/1996US5503534 Automotive drive control for hydrostatic transmission
04/02/1996CA2089316C System for monitoring oil well performance
04/02/1996CA2062002C Two-cycle peristaltic pump with occlusion detector
03/1996
03/28/1996WO1996009475A1 Regulating device for displacement pumps
03/28/1996WO1996009142A2 Portable tool with variable displacement hydraulic pump
03/28/1996DE4433598A1 Regeleinrichtung für Verdrängerpumpen Control means for displacement
03/28/1996CA2198609A1 Portable tool with variable displacement hydraulic pump
03/27/1996EP0702755A1 Multi-stage regulator for lubricant pumps with continuously variable feed rate
03/27/1996EP0617759B1 Reverse phase and high discharge temperature protection in a scroll compressor
03/27/1996CN2223369Y Anti-idle running apparatus for mechanically-driven pump
03/26/1996US5502365 Driving control apparatus of motor-driven compressor utilized for automobile
03/26/1996CA2036339C Emergency light and sump pump operating device for dwelling
03/21/1996WO1996008653A1 System for increasing flow uniformity
03/21/1996WO1996008652A1 Capacity controller of variable capacity hydraulic pump
03/21/1996WO1996008648A1 Metering pump control system
03/20/1996EP0701660A1 Motor controlled constant flow pump
03/20/1996EP0613528B1 Pump
03/20/1996CN1118839A Portable pumping system with generator-powered clutch assembly
03/14/1996DE4432263A1 Combination valve for suction side throttling of constant flow pump
03/13/1996EP0437617B1 Method of and device for controlling induction motor for compressor
03/07/1996WO1996007152A1 Bimodal liquid chromatography pump employing artificial intelligence logic feedback control
03/07/1996DE4431512A1 Plate valve for compressor
03/07/1996DE4431341A1 Fuzzy logic control of electrohydraulic sequence or slave system for vehicle hydrostatic pumps and motors
03/06/1996EP0699448A1 Irrigation pump and system
03/06/1996CN1118048A Device and a method for influencing of a valve
03/05/1996US5496153 Method and apparatus for measuring piston position in a free piston compressor
03/05/1996US5496152 Pump with internal valve between suction and pressure regions
02/1996
02/28/1996EP0698738A2 Suction control valve for rotary compressors
02/28/1996EP0698184A1 Innovative pumping system for peristal pumps
02/22/1996WO1996005430A1 Piston for gaseous media piston compressor
02/22/1996WO1996005429A1 Piston compressor for gaseous media
02/22/1996DE4429097A1 Kolbenverdichter für gasförmige Medien Piston compressor for gaseous media
02/21/1996CN2220549Y Pneumatic portable brake device for beam-pumping unit
02/21/1996CN1117307A Process for regulating the capacity of lubricant pumps and lubricant pump therefor
02/20/1996US5492450 Control valve for variable capacity vane compressor