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)
11/2014
11/18/2014US8887514 Cryopump control apparatus, cryopump system, and method for evaluating vacuum retention of cryopumps
11/13/2014US20140334941 Pump apparatus
11/11/2014US8882475 Electromagnetic flow rate control valve and high-pressure fuel supply pump using the same
11/11/2014US8882471 Method and device for controlling a hot restart of a centrifugal compressor
11/11/2014US8881506 Hydraulic drive device of hydraulic operating machine
11/06/2014US20140328696 Manual Override Utility Pump
11/04/2014US8878465 System and method for motor drive control pad and drive terminals
11/04/2014US8876659 Engine start control device
11/04/2014US8876488 Positive air shut off device for bag-in-box pump
11/04/2014US8875530 Screw compressor drive control
11/04/2014US8875507 Pump displacement control mechanism
11/04/2014US8875498 System comprising a pump, an injector and a regulator, with control signals to the pump which are based on calculated hose rigidities
10/2014
10/30/2014US20140322050 Pump System
10/30/2014US20140322036 Delay-minimized detection of an auxiliary control variable
10/30/2014US20140322032 System and method for pressure compensation in a pump
10/30/2014US20140322029 Pump using multi voltage electronics with run dry and over current protection
10/30/2014US20140318363 Harmonic uniflow engine
10/30/2014US20140318224 High-pressure constant flow rate pump and high-pressure constant flow rate liquid transfer method
10/28/2014US8874383 Pump assembly
10/28/2014US8870554 Pump with wear sleeve
10/28/2014US8870553 Fluid working machine and method of operating a fluid working machine
10/28/2014US8870548 System and method for pressure compensation in a pump
10/28/2014US8869554 Gas processing apparatus
10/28/2014US8869521 Fluid working machine with cylinders coupled to split exterior ports by electrohydraulic valves
10/28/2014US8869509 Accessory flow recovery system and method for thermal efficient pump and control system
10/23/2014US20140314583 System and method for multi-component mixture control
10/23/2014US20140311912 Flow sensors with modular microfluidic channels and methods of manufacture
10/21/2014US8864474 Method and apparatus for a peristaltic pump
10/16/2014US20140309796 Water Booster Control System and Method
10/16/2014US20140305508 Method and apparatus for deactivating a hydraulic device that is leaking hydraulic oil
10/14/2014US8858193 Sprocket-driven air pump
10/14/2014US8858191 Swash plate type compressor
10/14/2014US8858190 Steam powered pump
10/14/2014US8858187 Reciprocating rod pump for sandy fluids
10/14/2014US8858186 Linear compressor
10/14/2014US8858185 Fluid flow rate compensation system using an integrated conductivity sensor to monitor tubing changes
10/14/2014US8857465 Method and system for realizing a vacuum in a vacuum chamber
10/14/2014US8857179 Secondary air system with variable speed air pump and multi-position gated check valve
10/14/2014US8857165 Method and system for prioritizing vehicle vacuum
10/14/2014US8857138 Starter system for an engine
10/09/2014WO2014165831A1 Synchronized dual well variable stroke and variable speed pump down control with regenerative assist
10/09/2014WO2014164785A1 Hydraulic fuel pump apparatus for a fuel delivery chassis, suitable for refueling aircraft, and related devices, systems and methods
10/09/2014WO2014164622A1 Controls and operation of variable frequency drives
10/09/2014US20140301876 Piston pump having a holder
10/09/2014US20140301870 Fluid ejection device and medical device
10/09/2014DE102013005774A1 Nutzung einer von einem motor angetriebenen drehzahlvariablen hydraulikpumpe als hydrostatisches getriebe Use of a motor driven by a variable speed hydraulic pump as a hydrostatic transmission
10/09/2014DE102004039713B4 Einstellvorrichtung, insbesondere für ein Kraftfahrzeug Adjusting device, in particular for a motor vehicle
10/08/2014EP2787127A1 Construction machine
10/07/2014US8851866 Methods and apparatuses for joining a pumping cartridge to a pump drive
10/07/2014US8851862 Oil sand slurry transportation system and method for variable slurry flow rates
10/07/2014US8851861 Powertrain hydraulic system for hybrid electric vehicles
10/07/2014US8851860 Adaptive control of an oil or gas well surface-mounted hydraulic pumping system and method
10/07/2014US8851111 Electronic proportioner using continuous metering and correction
10/02/2014WO2014159682A1 Variable stroke length electrically operated diaphragm pump
10/02/2014WO2014159502A1 Low head to stem ratio poppet valve
10/02/2014WO2014157739A1 Air compressor
10/02/2014WO2014156532A1 Pump discharge flow rate control device
10/02/2014WO2014156277A1 Intake air cooling device
10/02/2014WO2014156207A1 Pump volume control device
10/02/2014US20140294619 Electronic infinite step controller actuator
10/02/2014US20140294610 Peristaltic pump for pumping a liquid and method for operating a peristaltic pump
10/02/2014US20140294606 Automatic Fuel Additive Controller and Dispenser
10/02/2014US20140294600 Control device for electric pump
10/02/2014US20140290237 Construction machine
10/02/2014DE102013205258A1 Steuereinrichtung für eine hydraulische Verdrängereinheit Control means for a hydraulic displacer unit
10/02/2014DE102013005560A1 Reihenschaltung von Hubkolbenpumpen Series of reciprocating pumps
10/01/2014EP2783116A2 A fan assembly
09/2014
09/30/2014US8849613 Vibration protection in a variable speed compressor
09/30/2014US8849604 Method for calculating the probability of moisture build-up in a compressor
09/30/2014US8845303 Torque control for open circuit piston pump
09/30/2014US8845302 Method for controlling ground meat flow rates
09/30/2014US8845301 Compressor control method
09/30/2014US8845300 Compressor freeze up prevention in cold weather
09/30/2014US8845298 Driving arrangement for a pump or compressor
09/30/2014US8844679 Pump having venting and non-venting piston return
09/25/2014WO2014149388A1 Discrete sensorless converter for pump differential pressure and flow monitoring
09/25/2014US20140286795 Gas control apparatus
09/25/2014US20140286794 System, method, and apparatus for utilizing a pumping cassette
09/25/2014US20140286792 Pump Control
09/25/2014DE112012005571T5 Steuervorrichtung für Baumaschinen Control device for Construction
09/25/2014DE102013204860A1 Verfahren zum Bestimmen einer ein Verdrängervolumen je Arbeitsspiel bestimmenden Kenngröße einer verstellbaren hydraulischen Verdrängermaschine A method for determining a displacement volume per cycle defining characteristic of a variable displacement hydraulic
09/25/2014DE102013204859A1 Hydromaschine mit einer Verstelleinheit Hydraulic machine with an adjustment
09/25/2014DE102013102879A1 Kompressor und Verfahren zum Betreiben eines Kompressors Compressor and method of operating a compressor
09/24/2014EP2781749A1 Remote monitoring system of uniaxial eccentric screw pump
09/23/2014US8840376 Pumping system with power optimization
09/23/2014US8839989 System and method for generating a drive signal
09/23/2014CA2728185C Fluid working machines and methods
09/23/2014CA2667599C Pump jack pump-off control method and pump jack control apparatus
09/18/2014WO2014145803A1 Pump assemblies and methods for inhibiting oxygen from entering water supply systems
09/18/2014WO2014143679A1 Automatic pump chamber control adjustment
09/18/2014WO2014141426A1 Hydraulic device for driving oil well pump
09/18/2014WO2014140384A1 Data standardization
09/18/2014WO2014140261A1 P&i diagram input
09/18/2014WO2014140253A1 Development of a higher-level model
09/18/2014US20140276428 System, method, and apparatus for utilizing a pumping cassette
09/18/2014US20140271262 Seal-less piston pump for liquefied gas
09/18/2014US20140271258 Temperature control for compressor
09/18/2014US20140271253 Fire Pump Controller Configured to Control Pressure Maintenance in Sprinkler Systems
09/18/2014US20140271252 Pump having an automated gas removal and fluid recovery system and method
09/18/2014US20140271250 Compression System and Method Having Co-Axial Flow Device
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