143664 ⎘
Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids specially adapted for stopping, starting, idling or no-load operation
Sub-classes:SCROLL PUMP AND SCROLL PUMP INLET VALVE
#2SCROLL COMPRESSOR
#3SCROLL COMPRESSOR HAVING OVERHEATING PREVENTION DEVICE
#4AIREND HAVING A LUBRICANT FLOW VALVE AND CONTROLLER
#5PUMP START UP CONTROL
#6COMPRESSOR UNIT AND METHOD FOR OPERATING A COMPRESSOR UNIT
#7COMPRESSOR AND REFRIGERATION CYCLE DEVICE HAVING THE SAME
#8METHOD FOR CONTROLLING A ROTARY SCREW COMPRESSOR
#9GAS COMPRESSOR
#10METHODS AND SYSTEMS FOR AIR COMPRESSOR AND ENGINE DRIVEN CONTROL
#11METHOD FOR STOPPING A VACUUM PUMP
#12Airend having a lubricant flow valve and controller
#13EGR pump locking mechanism and method to lock EGR pump rotating group during engine braking
#14Intelligent controller for a reciprocating air compressor and methods of use thereof
#15Electrical Sprayer
#16EGR pump system and control method of EGR pump
#17GAS COMPRESSOR
#18BLASTHOLE DRILL COMPRESSOR DRIVE SYSTEM
#19Method for controlling a rotary screw compressor
#20Operating method for a conveying device with an eccentric screw pump for conveying viscous construction materials
#21Pump speed controlling method and apparatus, a computer program and a computer readable medium having stored thereon the computer program applied thereby and a pump
#22Airend having a lubricant flow valve and controller
#23COMPRESSOR UNIT AND METHOD FOR OPERATING A COMPRESSOR UNIT
#24System for heating and/or cooling an interior environment
#25Air compressor
#26Freezing device
#27Compressor system, and control method for same
#28Compressor and refrigeration cycle device having the same
#29Method for controlling a rotary screw compressor
#30Gas Compressor
#31Vacuum pumping system having a plurality of positive displacement vacuum pumps and method for operating the same
#32Startup control systems and methods to reduce flooded startup conditions
#33Compressor
#34Compressor stop valve and associated system
#35Gas compressor
#36Methods and systems for air compressor and engine driven control
#37Scroll compressor with improved valve installation
#38Airend having a lubricant flow valve and controller
#39EGR pump system and control method of EGR pump
#40EGR pump system and control method of EGR pump
#41Method for actuating a compressor system and a compressor system
#42Gas compressor
#43Method and apparatus for pressure equalization in rotary compressors
#44Scroll compressor including an orbiting scroll having an orbiting end plate provided with a rear concave portion
#45Method of pumping in a system of vacuum pumps and system of vacuum pumps
#46Pressure safety shutoff
#47Startup control systems and methods to reduce flooded startup conditions
#48AIR CONDITIONER OIL RETURN CONTROL METHOD, AIR CONDITIONER AND COMPUTER READABLE STORAGE MEDIUM
#49Minimum pressure valve and compressor comprising such a minimum pressure valve
#50Methods and systems for preventing premature compressor failure from improper operation
#51Vacuum pump reed valve which will reduce cold start torque
#52Screw compressor
#53Method and apparatus for pressure equalization in rotary compressors
#54Compressor with flooded start control
#55Screw compressor for a utility vehicle
#56Method for operation control of compressor and the compressor
#57Gas compressor
#58Control device, control system, control method, recording medium and machine learning device
#59Scroll compressor with two step inverter control
#60Liquid-injected compressor or expander element and method for controlling the liquid injection of a compressor or expander device
#61In-vehicle motor-driven compressor and method for controlling in-vehicle motor-driven compressor
#62MOTOR-OPERATED COMPRESSOR
#63AIR COMPRESSOR AND METHOD OF OPERATION
#64Scroll compressor with integrated refrigerant pump
#65Compressor stop valve and associated system
#66Screw compressor
#67Electrical device and method having an electrical cord set convertible between different electrical amperage ratings
#68Gas ejection apparatus
#69Methods and systems for air compressor and engine driven control
#70Electric compressor
#71Scroll compressor
#72Refrigerant compressor unit
#73Compressor unit and method for operating a compressor unit
#74Compressor and refrigeration system having same
#75Methods and systems for preventing premature compressor failure from improper operation
#76Compressor with flooded start control
#77Method and apparatus for pressure equalization in rotary compressors
#78Oil circuit, oil-free compressor provided with such oil circuit and a method to control lubrication and/or cooling of such oil-free compressor via such oil circuit
#79Compressor provided with an electronic pressure switch and method of regulating the pressure within such a compressor
#80Method for controlling a rotary screw compressor
#81Gas Compressor
#82Compressor device
#83PUMP SYSTEM INCLUDING A CONTROLLER
#84AN INTELLIGENT VACUUM PUMP WITH LOW POWER CONSUMPTION
#85Electric compressor controller and refrigeration cycle device
#86Drive device for electric compressor
#87Method and apparatus for pressure equalization in rotary compressors
#88Impeller-type liquid ring compressor
#89Screw compressor
#90VACUUM PUMP SYSTEM
#91Startup control systems and methods to reduce flooded startup conditions
#92Compressor, air conditioning system, and a method of controlling a compressor
#93High pressure compressor and refrigerating machine having a high pressure compressor
#94Load/unload control method for compressor system
#95System and method for compressor motor protection
#96COLD START HELIUM COMPRESSOR
#97Axial thrust control for rotary compressors
#98Liquid-cooled compressor and method for operating same
#99Method of pumping in a system of vacuum pumps and system of vacuum pumps
#100Two-stage rotary compressor and refrigeration cycle device having same
#101Pumping method in a system of vacuum pumps and system of vacuum pumps
#102Arrangement for specifying a pressure
#103Air compressor
#104Motor-driven compressor
#105Motor-driven compressor
#106PUMPING METHOD IN A SYSTEM FOR PUMPING AND SYSTEM OF VACUUM PUMPS
#107Motor vehicle assembly arrangement with an internal combustion engine and a switchable vacuum pump
#108Motor vehicle vacuum pump having a switchable clutch
#109Method for preventing condensate in the oil of an oil-injected compressor and compressor in which such a method is applied
#110Motor-driven compressor
#111Motor driven compressor
#112Liquid injected screw compressor, controller for the transition from an unloaded state to a loaded state of such a screw compressor and method applied therewith
#113Low pressure sealing liquid entry area in a compressor type liquid ring pump
#114Starting valve for a fluid operating machine working in a vacuum system
#115Compressor driven by a motor based on a temperature of a drive circuit
#116Compressor with flooded start control
#117Compressor with flooded start control
#118Compressor with flooded start control
#119Method for soft expulsion of a fluid from a compressor at start-up
#120Multi-cylinder rotary compressor and vapor compression refrigeration cycle system including the multi-cylinder rotary compressor
#121Scroll compressor
#122Vacuum pump having a disconnectable drive coupling
#123Scroll compressor having a back pressure plate and a gasket coupled to a fixed scroll plate by at least one coupling member
#124Electric compressor
#125INDUCED HOLLOW SPIRAL DRIVING APPARATUS
#126Scroll compressor
#127Switchable single-start or multi-start scroll pump
#128Motor-driven compressor with switching element
#129Method and pump arrangement for evacuating a chamber
#130Motor driven compressor
#131RAMP-UP OPTIMIZING VACUUM SYSTEM
#132Pump device with a vacuum pump and a lubrication pump
#133Method of operating a pumping system
#134Heat pump device, air conditioner, and freezer that efficiently heats refrigerant on standby
#135Compressor device as well as the use of such a compressor device
#136Screw compressor
#137Method for the start-up control of an electric vacuum pump
#138Compressor with flooded start control
#139Variable frequency drive apparatuses, systems, and methods and controls for same
#140Scroll compressor differential pressure control during compressor shutdown transitions
#141Scroll compressor differential pressure control during compressor startup transitions
#142Compressor data module
#143Gas pump with pressure relief for reducing the starting torque
#144Air regulator, in particular for screw compressors
#145Heat pump device, air conditioner, and refrigerating machine
#146Water injected scroll air compressor
#147System and method for controlling a vacuum pump that is used to check for leaks in an evaporative emissions system
#148Portable air compressor/generator control method and system
#149Compressor and control method thereof
#150Scroll refrigeration compressor including heat shield, bypass passage, and bypass valve
#151Oil-flooded screw compressor, motor drive system, and motor control
#152Rotary vacuum pump with a discharge compensating channel
#153Two-stage compression refrigeration cycle device
#154Pump
#155Variable-speed scroll refrigeration compressor
#156Gas inlet valve for a compressor, compressor comprising a gas inlet valve of this type and method for operating a compressor comprising a gas inlet valve of this type
#157Compression device and a thermodynamic system comprising such a compression device
#158COMPRESSOR DIGITAL CONTROL FAILURE SHUTDOWN ALGORITHM
#159Scroll compressor with bypass hole
#160Motor-driven compressor
#161SCROLL DEVICE FOR COMPRESSION OR EXPANSION
#162Refrigerator
#163Single-screw compressor having an adjustment mechanism for adjusting a compression ratio of the compression chamber
#164State of charge adjusted compressor control
#165Current control via speed control for driving screw compressor under cold conditions
#166Pump
#167Stop mechanism for vane compressor
#168Rotary vane compressor
#169Spherical expansion compressor adapted to variable working conditions
#170Oil free screw compressor
#171Screw compressor
#172REFRIGERATION CYCLE APPARATUS
#173Motor-driven compressor and controller therefor
#174Scroll compressor with partial unloader for start-up
#175VACUUM PUMP WITH VENTILATING MEANS
#176Rotary vacuum pump with a device for decoupling the driving motor
#177Fluid Machine, and Refrigerant Circuit and Waste Heat Utilization Device Using the Fluid Machine
#178Compressor with a bypass port
#179Oilless screw compressor and compressed air cooling unit
#180Water injected scroll air compressor
#181Water-injection type scroll air compressor
#182Method for controlling the vacuum generator(s) in a vacuum sewage system
#183Air conditioner and compressor having power and saving modes of operation
#184Oil return valve for a scroll compressor
#185Vane pump with circulating oil supply passage
#186Motor controller, air compressor, air conditioner, controller of passenger conveyor and controller of conveyor
#187Displacement type compressor having a self-start synchronous motor and start load reducing means
#188Apparatus and method for controlling operation of compressor
#189SCROLL DEVICE INTEGRATING A FEED PUMP
#190Portable, rotary vane vacuum pump with automatic vacuum breaking arrangement
#191Start-up control device and method for electric scroll compressor
#192Braking controller of a three-phase permanent magnetic brushless DC motor for directly driving a screw pump
#193Scroll fluid machine with back pressure chamber sealing
#194AIR COMPRESSOR SYSTEM
#195Robust PID control for BLDC motor controller
#196Compressor reverse rotation of variable duration on start-up
#197Electric compressor
#198Method of operating a pumping system
#199Vacuum pump provided with a device for its deactivation
#200Vehicle transmission with fluid pump having a recirculation circuit
#201Oil-flooded screw compressor, motor drive system, and motor control device
#202Capacity modulation compressor and air conditioning system having the same
#203Motor, compressor and air conditioning system having the same
#204Startup bypass system for a screw compressor
#205Method of operating a pumping system
#206Rotary vacuum pump with a discharge compensating channel
#207Detection and correction of reverse operation of a compressor in a refrigeration system
#208Valve module
#209Control method of inverter compressor and inverter compressor
#210Compressed air supply system for a utility vehicle
#211Operation control device for vacuum pump and method for stopping operation thereof
#212Scroll compressor with high side to low side oil bleed valve
#213Rotary type fluid machine
#214Roots type pump and fuel cell system
#215DISPLACEMENT TYPE COMPRESSOR HAVING A SELF-START SYNCHRONOUS MOTOR AND START LOAD REDUCING MEANS
#216Scroll type booster
#217Compression system, multicylinder rotary compressor, and refrigeration apparatus using the same
#218Portable air compressor/generator control method and system
#219Coupling
#220COMPRESSOR DATA MODULE
#221Compression system, multicylinder rotary compressor, and refrigeration apparatus using the same
#222Compression system, multicylinder rotary compressor, and refrigeration apparatus using the same
#223Multistage compressor
#224Scroll compressor with crankshaft venting
#225Oilless screw compressor and compressed air cooling unit
#226Vane pump
#227Vane pump
#228EVACUATION APPARATUS
#229EVACUATION APPARATUS
#230Displacement Changing Control Device for Scroll Compressors
#231Method of controlling the stopping operation of vacuum pump and device therefor
#232OPERATION CONTROL DEVICE AND METHOD OF VACUUM PUMPS
#233Scroll compressor with back pressure chamber cavity for assisting in start-up
#234Vacuum pump and vacuum system including the same
#235System for controlling compressor of cooling system and method for controlling the same
#236Electric pump for hydrogen circulation
#237Refrigeration cycle system
#238Oil-injection screw compressor
#239Dry operating screw-type compressor with pneumatically controlled air relief valve
#240Cooling system with variable capacity control
#241Scroll compressor with enhanced lubrication
#242Compressor with capacity control
#243Electric motor controller in electric compressor
#244Prevention of unpowered reverse rotation in compressors
#245Back-gap controlling apparatus for compressor
#246Vacuum pump and method of starting the same
#247Variable capacity compressor and starting method thereof
#248System and method for controlling a variable speed compressor during stopping
#249Screw compressor
#250Displacement type compressor having a self-start synchronous motor and start load reducing means
#251Capacity-changing unit of orbiting vane compressor
#252Variable capacity rotary compressor with pressure adjustment device
#253Scroll compressor having vacuum preventing structure
#254Valve for preventing unpowered reverse run at shutdown
#255Compressor with capacity control
#256Compression system, multicylinder rotary compressor, and refrigeration apparatus using the same
#257System and method for starting pump
#258Compressor diagnostic and recording system
#259Method for controlling the oil recirculation in an oil-injected screw-type compressor and compressor using this method
#260Variable capacity rotary compressor
#261Pressure equalization system
#262Variable capacity rotary compressor
#263Variable capacity rotary compressor
#264Variable capacity rotary compressor