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)
12/2013
12/04/2013CN103423137A Apparatus and method for controlling reciprocating pump
12/04/2013CN103423136A Switching structure of industrial solid pump output switching tube
12/04/2013CN103422851A Method for determining intermittent pumping system through oil-well pump dynamic fullness well testing
12/03/2013US8596995 Sealing structure and compressor
12/03/2013US8596993 Dual-pump supply system with bypass-controlled flow regulator
12/03/2013US8596987 Electric compressor control device
11/2013
11/28/2013WO2013174120A1 Pumping mechanism and control method thereof, and concrete pumping equipment
11/28/2013US20130315780 Diagnostic systems and instruments
11/28/2013US20130315752 Pump unit
11/28/2013US20130315750 Electro-hydraulic valve positioner
11/28/2013US20130312400 Variable displacement pump
11/27/2013EP2667031A2 Exhaust gas analyzing system
11/27/2013CN203308693U Multifunctional water pump control valve
11/27/2013CN203308692U Instrument provided with overload protection device
11/27/2013CN203308691U Floating ball probe of water pump controller
11/27/2013CN203308690U Closed cooling tower with pressure stabilizing device
11/27/2013CN203308685U Combined oil-free air compressor
11/27/2013CN203308680U Adjustable clearance cylinder
11/27/2013CN203308664U Magnetic control type energy recovery pump for reverse osmosis sea water desalinating system
11/27/2013CN103411802A Explosion-proof suction pump with sound and light alarming, flow rate display, and regulation functions
11/27/2013CN103410720A Remote diagnosis system for natural gas compressor
11/27/2013CN103410717A Hydraulic drill carriage air compressor system unloading control device and method
11/27/2013CN103410716A Piston air compressor safety protector
11/27/2013CN103410715A Frequency-conversion constant-voltage control system of emulsion pump
11/27/2013CN103410714A Air compressor electronic control system
11/27/2013CN103410713A Refrigerating medium pump control method and device and refrigeration device
11/27/2013CN103410701A Clutch type air compressor of automobile and clutch method for clutch type air compressor
11/27/2013CN103409148A Coke quenching water pump control device
11/27/2013CN101910627B Hydraulic system with supplement pump
11/26/2013US8593025 Driving device, in particular electric motor, for driving a unit
11/26/2013US8591198 Strain gauge pump control switch
11/23/2013CA2786269A1 Fluid level control mechanism
11/21/2013WO2013173524A2 Clinical diagnostic system including instrument and cartridge
11/21/2013WO2013171801A1 Oil-pressure control system
11/21/2013WO2013171245A1 Pump unit, pump unit configuration system and method
11/21/2013WO2013130497A4 Electric motor -driven pump
11/21/2013US20130309103 Actuator system for a controlled coolant pump
11/21/2013US20130309100 Apparatus and Method for Controlling Reciprocating Pump
11/21/2013US20130309099 Compact, Light Weight, Battery Operated, Self-Priming, Positive Displacement Pump
11/21/2013DE102012104214A1 Pumpaggregat, Pumpaggregat-Konfigurationssystem und Verfahren Pump unit, pump unit configuration system and method
11/20/2013EP2664804A2 Pressure flow regulator, adjustment unit for an adjustable hydraulic displacement machine with a pressure flow regulator and method for controlling such an adjustment unit
11/20/2013EP2663774A2 Method for operating a pump that is driven by an electric motor in a power-optimized manner in the event of low volumetric flow rates
11/20/2013EP2663697A1 Pressure sewer control system and method
11/20/2013EP2663407A2 Control valve for airless sprayer pressure adjustment
11/20/2013EP2032854B1 Reciprocating compressor including equipment for continuous regulation of the flow rate in the said compressor
11/20/2013EP1857678B1 Air compressor and process management data collecting system
11/20/2013CN203297081U Frost cracking prevention system for water pump
11/20/2013CN203297080U Servo energy-saving power system of ceramic pressing machine
11/20/2013CN203297079U Automatic pumping termination safety monitoring device for slurry pump
11/20/2013CN203297078U Reconnection circuit of air compressor of internal combustion locomotive
11/20/2013CN203297077U Automatic control device for water pump
11/20/2013CN203297076U Self-absorption control device of submersible sewage pump
11/20/2013CN203297075U Five-prevention logical control system of condensate pump frequency converter of combustion gas-steam combined set
11/20/2013CN103403473A Heat pump device, heat pump system, and control method for three-phase inverter
11/20/2013CN103403353A Hydraulic unit
11/20/2013CN103403349A Control system and method for reciprocating compressors
11/20/2013CN103398005A Straight condensing car driving water-feeding pump system and method adopting variable-frequency power generator for speed regulation
11/20/2013CN103398000A Novel oilless air compressor pump for atomizer
11/20/2013CN103104451B Pumping discharge capacity controller, pump truck and pumping discharge capacity control method
11/20/2013CN103062026B Method and device for controlling pump output of concrete pumping machinery
11/20/2013CN102345597B Ultrahigh-pressure oil pump
11/20/2013CN102196833B Flow control valves for leakage detection, free-flow prevention and occlusion detection
11/20/2013CN101983478B Motor controller, air compressor, air conditioner, controller of passenger conveyor and controller of conveyor
11/20/2013CN101755126B Capacity modulated scroll compressor system and method
11/19/2013CA2606556C Control system for a pump
11/14/2013WO2013167248A1 Method for operating a fluid pump
11/14/2013US20130302180 Warm-up control system for machine tool
11/14/2013US20130299020 Dual configuration hydraulic manifold apparatus and system
11/14/2013DE10242305B4 Verfahren zur Messung der Drehzahl eines Pumpenmotors Method for measuring the speed of a pump motor
11/13/2013EP2662567A1 Electric pump device
11/13/2013EP2662565A1 Compression device for cryogenic jet fluid installations
11/13/2013EP2661561A2 Variable stroke control structure for high pressure fuel pump
11/13/2013EP2546481B1 Relief device for oil pump
11/13/2013CN203289371U Control device for household ground heating circulating pump
11/13/2013CN203285656U Vacuum pumping device
11/13/2013CN203285655U Optimized energy-saving cabinet of flushing water pump system
11/13/2013CN203285654U Self-control water pump with flow induction and detection functions
11/13/2013CN203285651U Controllable air inflating and exhausting device of hollow glass
11/13/2013CN203285643U Compressor of vehicle-mounted air conditioner
11/13/2013CN203285638U Ultrasonic dispersion injection pump
11/13/2013CN203285637U Liquid quantified unloading and loading system
11/13/2013CN103392069A High-pressure pump for a fuel injection device
11/13/2013CN103388579A Compressor over-current protection method for air conditioning equipment and air conditioning equipment
11/13/2013CN103388578A Mutually-inductive piezoelectric equal-proportion blending pump
11/13/2013CN103388575A Energy saving protection device of pneumatic clutch for heavy-load vehicle air compressor
11/13/2013CN103388544A A method of operating a fuel system for an internal combustion engine
11/13/2013CN102439307B Return to neutral mechanism for hydraulic pump
11/12/2013US8579599 System, apparatus, and method for rapid pump displacement configuration
11/12/2013US8579598 Variable capacity vane pump
11/12/2013US8579597 Variable capacity type rotary compressor
11/12/2013US8579595 Cooling device for construction machinery
11/12/2013CA2554798C Rotary hydraulic machine and controls
11/07/2013WO2013076454A3 A fan assembly
11/07/2013WO2011104545A3 Method of measuring a property of entrained gas in a hydraulic liquid and fluid-working machine
11/07/2013US20130294938 System and method for a compressor
11/07/2013US20130294937 System and method for a compressor
11/07/2013US20130294935 System and method for a compressor
11/07/2013US20130294934 System and method for a compressor
11/07/2013US20130294930 Fan motor controller
11/07/2013US20130294929 Method for controlling a refilling motor that drives a hydraulic pump
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