143125 ⎘
Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups - ; Stopping, starting, unloading or idling control by means of valves
Sub-classes:PUMP AND VALVE SYSTEM
#2ELECTRIC DRIVE FRACTURING DEVICE AND BRAKING METHOD THEREFOR
#3HYDRAULIC PUMP
#4STARTING AND STOPING FRAC PUMPS
#5PUMP CONTROL SHOCK ABSORBER
#6CRYOPUMP AND CONTROL METHOD FOR CRYOPUMP
#7HIGH-PRESSURE PLUNGER PUMP, AND USE OF A HIGH-PRESSURE PLUNGER PUMP
#8UNLOADING DEVICE AND AIR COMPRESSOR
#9LIQUID CONTAINER SYSTEM
#10LIQUID CONTAINER SYSTEM
#11Hydraulic pump
#12HYDRAULIC CIRCUIT ARRANGEMENT AND CONTROL SYSTEM FOR GANGED ELECTRONICALLY-COMMUTATED PUMPS
#13PUMPS IN SERIAL CONNECTION
#14Flow regulating valve
#15RECIPROCATING PUMP WITH RESERVOIR FOR COLLECTING AND CONTROLLING WORKING FLUID LEVEL WITHOUT THE USE OF PISTON SEALS
#16METHOD AND SYSTEM FOR LOAD CONTROL OF RECIPROCATING COMPRESSORS
#17Air Dryer Apparatus for a Vehicle Air Brake Charging System
#18Intelligent controller for a reciprocating air compressor and methods of use thereof
#19Anti-spin control for an electric submersible pump permanent magnet motor
#20SYSTEMS AND METHODS FOR OPERATION MODES FOR AN AIR COMPRESSOR
#21GAS COMPRESSOR
#22Apparatus and method for cryogenic pump cooldown
#23Controlling fluid pressures at multiple well heads for continuous pumping
#24INLINE LANDFLL PUMP CYCLE COUNTER
#25PUMPING SYSTEM HAVING REMOTE VALVE BLOCKS
#26LOADING A FLUIDIC ELEMENT
#27ELECTRONICALLY COMMUTATED HYDRAULIC MACHINE AND OPERATING METHOD TO REDUCE GENERATION OF RESONANCE EFFECTS
#28Pump rinsing systems and methods
#29Air compressor and methods of operation
#30OIL PRESSURE SUPPLY DEVICE
#31Decompression system and decompression method
#32FLUID CONTROL DEVICE
#33Reciprocating compressor with variable capacity regulation
#34Bellows pump device
#35Hydraulic apparatus and operating method
#36Automated fluid transfer system
#37GAS OPERATED INFINITE STEP VALVE FOR A RECIPROCATING COMPRESSOR
#38Thin gas transportation device
#39Method and system for damping flow pulsation
#40SYSTEM AND METHOD OF STARTING AIR COMPRESSOR IN LOW-TEMPERATURE STATE
#41System and method for managing liquid waste
#42Piston assembly for an unloader valve of an air compressor
#43DEVICES, SYSTEMS, AND METHODS FOR PROVIDING AND USING ONE OR MORE VALVES IN AN ASSEMBLY LINE GROW POD
#44Systems and methods to chemically liven dead wells
#45Fault detection and prediction
#46Audio control to mask vehicle component noise
#47Hydraulic machine with controllable valves and method for idling such a hydraulic machine
#48Actuating and sensing module
#49Control method of compressor and refrigerant circulation system
#50Cryopump and control method for cryopump
#51System and method for an inland pipeline control station
#52Pneumatic pump control system
#53PUMP DRIVE THAT MINIMIZES A PULSE WIDTH BASED ON VOLTAGE DATA TO IMPROVE INTAKE AND DISCHARGE STROKES
#54Automatic double-acting valve and pump equipped with said valve
#55High pressure fuel pump
#56Using a load sense pump as a backup for a pressure-compensated pump
#57Unloader for a compressor and servicing thereof and compressor provided with an unloader
#58Fluid control device
#59Safety pressure limiting system and method for positive displacement pumps with optional automatic restart
#60System and method for evacuating a process space
#61SQUEEZE-TYPE PUMP
#62Loadless start valve for a compressor
#63Method for operating a pressure control system comprising a multi-stage compressor, and pressure control system
#64Minimum pressure valve and compressor comprising such a minimum pressure valve
#65System and method for removing residual pressure in motor driven air compressor management system
#66Linear hydraulic pump and its application in well pressure control
#67Method for operation control of compressor and the compressor
#68Compressor gas cutoff
#69Hydraulic piston pump for a hydraulic tool
#70Piston-valve engagement in fluid sprayers
#71Compressor provided with safety relief valve assembly
#72Piston pump and relative control method
#73Gas operated infinite step valve
#74Air compressor and methods of operation
#75Method for controlling torque equilibrium of a hydraulic motor
#76System for controlling compressor
#77Diaphragm pump
#78Service pack comprising an engine driving a pneumatic air compression system with a flow control system to adjust a position of a proportional control valve, regulate a variable pressure acting on a flow control member, and regulate a power demand placed on the engine
#79Pumping installation comprising a pneumatic pump and a valve for regulating supply of the pump with compressed gas
#80Electric control module solenoid pump
#81Monitoring system for pressure pump cavitation
#82Method for controlling a pump system and pump system
#83Pump drive that minimizes a pulse width based on voltage data to improve intake and discharge strokes
#84Electric tree felling head and associated control system for a forestry vehicle
#85Compressor having an energy saving apparatus, and method for relieving the compressor
#86Piston Compressor with a Closing Device for the Outlet Line
#87Devices, systems, and methods for providing and using one or more valves in an assembly line grow pod
#88Compressor control for increased efficiency
#89Fluid delivery system
#90Glasses with wearing cushion device
#91Variable-capacity compressor, two-stage compression system and control method thereof
#92Compressor gas cutoff
#93Improper opening detection method of multiple suction reciprocating compressor suction valve
#94Inline pump assembly and method
#95Dual control valve for reciprocating compressor unloader system
#96MANUAL PUMP
#97Piston engaging with valve for self-priming in fluid sprayers
#98Method for providing well safety control in a remedial electronic submersible pump (ESP) application
#99Linear hydraulic pump and its application in well pressure control
#100Safety device for vehicle
#101Inhalation device
#102System for pumping a fluid and method for its operation
#103Gaseous fuel pumping system
#104Bellows pump device
#105Compressor
#106Suction Pump with a Safety Valve
#107Liquid-cooled compressor and method for operating same
#108Intake Valve Actuating System, Compressors Starting Method and Its Uses
#109Vacuum-driven fluid delivery device with controlled vacuum pressure release
#110Autolift-resistant piston assembly for an unloader valve of an air compressor
#111Fluid working machine and method of operating a fluid working machine
#112Compressor For A Refrigeration Circuit Of A Domestic Refrigerator, Domestic Refrigerator With A Compressor And Method For Operating A Compressor Of A Domestic Refrigerator
#113Runaway valve system for a pump
#114Volumetric metering unit
#115Method and system for operating a cam-driven pump
#116Valve connector for integral high pressure cylinder unloader valve
#117Steam operated, self cycling, diaphragm water pump
#118Remotely reconfigurable high pressure fluid passive control system for controlling bi-directional piston pumps as active sources of high pressure fluid, as inactive rigid structural members or as isolated free motion devices
#119Method of control of compressors with more than two capacity states
#120High-pressure fuel pump
#121Piston pump for a hydraulic vehicle brake system
#122Remotely reconfigurable high pressure fluid passive control system for controlling bi-directional piston pumps as active sources of high pressure fluid, as inactive rigid structural members or as isolated free motion devices
#123Method for controlling a compressor of a refrigeration system comprising a motor, and a compressor of a refrigeration system
#124Unloader valve apparatus for an air compressor
#125Variable fluid flow hydraulic pump
#126Reciprocating pump with electronically monitored air valve and piston
#127Air compressor
#128Oil-well-pump driving hydraulic system
#129Unloader for a valve element of a compressor valve
#130Automatic depressurizing pump
#131Volumetric metering unit
#132Positive Displacement Injection Pump
#133High viscosity portion pump
#134Air operated diaphragm pump
#135Reciprocating compressor having capacity regulation
#136PRESSURE OVERSHOOTING PREVENTION SYSTEM FOR ELECTRONIC HYDRAULIC PUMP IN HYDRAULIC SYSTEM
#137Method and system for prioritizing vehicle vacuum
#138CAPACITY MODULATION SYSTEM FOR COMPRESSOR AND METHOD
#139Reciprocating compressors having timing valves and related methods
#140Control for engine driven compressor
#141HIGH-PRESSURE CONSTANT FLOW RATE PUMP AND HIGH-PRESSURE CONSTANT FLOW RATE LIQUID TRANSFER METHOD
#142Selectable flow hydraulic gear pump
#143Seal-less piston pump for liquefied gas
#144Pressure monitoring device for controlling a compressor
#145Dual control valve for reciprocating compressor unloader system
#146Compressed air supply apparatus
#147Water spraying system with wireless transmitter arrangement
#148Hydraulic piston pump with throttle control
#149Cylinder head for a piston compressor
#150Inline pump assembly and method
#151Traction Control System for a Hydrostatic Drive
#152Proportional air flow delivery control for a compressor
#153Rotary compressor and rotation mechanism
#154Membrane pump with air release valve
#155High-pressure fuel pump
#156Water spraying system
#157Adjustable hydraulic pump
#158Pump power consumption enhancement
#159Multistage compressors for pet bottle blowing processes
#160Control for compressor unloading system
#161System for controlling an electric oil pump
#162Unloader system and method for a compressor
#163MICROFLUIDIC DEVICE AND EXTERNAL PIEZOELECTRIC ACTUATOR
#164Pump System and Method of Use
#165Method and apparatus for controlling multiple variable displacement hydraulic pumps
#166Secondary air system with variable speed air pump and multi-position gated check valve
#167Method and system for prioritizing vehicle vacuum
#168Suction Cutoff Unloader Valve For Compressor Capacity Control
#169Capacity modulation system for compressor and method
#170Bypass unloader valve for compressor capacity control
#171Method of manufacturing a positive displacement injection pump
#172Valve actuator control system and method of use
#173PISTON MACHINE, ESPECIALLY FLUID PISTON MACHINE
#174CONTROL METHOD OF DRYER
#175Combination pressure switch with manual shutoff
#176ELECTRONIC TRIGGERING UNIT FOR AN ELECTROMAGNETICALLY ACTUATED VALVE FOR OPERATING A HYDROSTATIC DISPLACEMENT UNIT
#177PISTON COMPRESSOR WITH NO-LOAD OPERATION VALVE
#178VALVE-CONTROLLED POSITIVE-DISPLACEMENT MACHINE
#179HYDRAULIC SYSTEM COMPRISING A HYDROSTATIC PISTON MACHINE
#180Apparatus, a control circuit and a method for producing pressure and volume flow
#181Reciprocating pump with electronically monitored air valve and piston
#182Compressor freeze up prevention in cold weather
#183Booster water spraying system
#184Operating method for a hydraulic machine
#185Unloader system and method for a compressor
#186Plug Unloader Using Low Force Actuator For Reciprocating Compressors
#187System And Method For Evacuating A Vacuum Chamber
#188Membrane Suction Pump Unit
#189Hydraulic pump system with reduced cold start parasitic loss
#190OIL-FREE AIR COMPRESSOR SYSTEM WITH INLET THROTTLE
#191Fuel pump
#192Combination pressure switch
#193Equipment for continuous regulation of the flow rate of reciprocating compressors
#194Pump control valve
#195Pump, in Particular Motor/Pump Unit for a Power Steering System of a Motor Vehicle
#196Fuel pump
#197Capacity modulation system for compressor and method
#198Control method for an overpressure valve in a common-rail fuel supply system
#199Scroll type booster
#200Air Conditioning Compressor Comprising a Differential Pressure Control Device
#201Positive displacement injection pump
#202Miniflow valve
#203Compressor having a dual slide valve assembly
#204Reciprocating pump with electronically monitored air valve having battery and solenoid electronic monitoring
#205Compressor having a mechanism for separating and recovering lubrication oil
#206Safe over-center pump/motor
#207Co-axial pressure relief device for air inflator
#208Pressure releasing device for spray pump
#209Membrane pump with bleed valve
#210System And Method For Evacuating A Vacuum Chamber
#211Hydraulic control apparatus of working machine
#212High-pressure fuel pump
#213Pressure relief valve
#214METHOD OF FEEDING AN INERT GAS AND A SYSTEM THEREFOR
#215System and method for controlling a variable speed compressor during stopping
#216Direct connection manifold for reciprocating piston pump
#217Electronic proportioner using continuous metering and correction
#218Compressor
#219Compressor having a safety device being built in at least one of the screw plugs of the oil-separator
#220Compressor assembly with pressure relief valve fittings
#221Pump/motor operating mode switching control for hydraulic hybrid vehicle
#222Muffler system for a compressor
#223Tire pump with high-pressure audio warning
#224Air compressor having stable configuration
#225Digital pressure switch systems and methods
#226Submersible pump assembly and method for use of same
#227Hydraulic systems with variable speed drives
#228Hydraulic motor