| 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) |
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| 03/03/2011 | WO2010141614A3 Hvac control using discrete-speed thermostats and run times |
| 03/03/2011 | WO2010135407A3 Variable speed compressor |
| 03/03/2011 | US20110052425 Clutch water pump, control system thereof, and control method thereof |
| 03/03/2011 | US20110052423 Pump Assembly |
| 03/03/2011 | US20110052422 Method for controlling the operation of a compressor |
| 03/03/2011 | US20110052421 Method and device for controlling the condenser cooling water of a steam-jet vacuum pump |
| 03/03/2011 | US20110052416 Variable Speed Pumping System and Method |
| 03/03/2011 | US20110052415 Automatic compressor overpressure control |
| 03/03/2011 | US20110052414 Apparatus for Controlling a Pump |
| 03/03/2011 | US20110048390 Switchable water pump control systems and methods |
| 03/03/2011 | DE102010034798A1 Method for monitoring valves i.e. one-way non-return valves, of displacement pump, for use in oil-or gas supply system to pump drilling fluid, involves determining whether valve comprises defect based on characteristic values of signals |
| 03/03/2011 | DE10041721B4 Elektromagnetisches Ventil und Verwendung desselben in einem Hydraulikkreis An electromagnetic valve and using the same in a hydraulic circuit |
| 03/02/2011 | EP2290238A1 Plunger pump actuated by a shape memory element |
| 03/02/2011 | EP2289577A1 Apparatus and method for regulating fluid pump pressures |
| 03/02/2011 | EP2288811A2 Device and method for pumping a cryogenic fluid |
| 03/02/2011 | EP2288803A2 Dual mode pump control |
| 03/02/2011 | EP1666705B1 Fan rpm control method |
| 03/02/2011 | CN201753677U Water supply pressure ensuring device for water pump |
| 03/02/2011 | CN101983478A Motor controller, air compressor, air conditioner, controller of passenger conveyor and controller of conveyor |
| 03/02/2011 | CN101982659A Method of controlling a pump and motor |
| 03/01/2011 | US7897327 Method and apparatus for pressure control for maintaining viability of organs |
| 03/01/2011 | US7896125 Hydraulic steering device for vehicles |
| 03/01/2011 | US7896018 Dosage control apparatus |
| 03/01/2011 | CA2526345C Method and system for optimizing downhole fluid production |
| 02/27/2011 | CA2713751A1 Device, computer program product and computer-implemented method for backspin detection in an electrical submersible pump assembly |
| 02/27/2011 | CA2713749A1 Device, computer program product and computer-implemented method for backspin detection in an electrical submersible pump assembly |
| 02/27/2011 | CA2713745A1 Device, computer program product and computer-implemented method for backspin detection in an electrical submersible pump assembly |
| 02/24/2011 | WO2011020177A1 Switching assembly for a hydraulic pump jack |
| 02/24/2011 | WO2010135290A3 Diagnostic system |
| 02/24/2011 | WO2010126969A3 Valve cover assembly |
| 02/24/2011 | US20110044826 Vacuum pump |
| 02/24/2011 | US20110044823 Variable Speed Pumping System and Method |
| 02/24/2011 | US20110042413 Piston pump and driver therefor |
| 02/24/2011 | US20110042282 Pressure-controlled liquid supply system and pump control device for use therein |
| 02/24/2011 | US20110041681 Positive-displacement machine |
| 02/24/2011 | US20110041533 Screw compressor drive control |
| 02/24/2011 | DE202010015450U1 Kompressor und Druckluftanlage mit mindestens zwei Kompressoren Compressor and compressed air system with at least two compressors |
| 02/24/2011 | DE19652831B4 Druckfluid-Speisesystem für die Versorgung von Hochdruck-Sammelleitungen Pressure fluid supply system for the supply of high-pressure manifolds |
| 02/24/2011 | DE102009038438A1 Verdrängermaschine Displacement |
| 02/24/2011 | DE102009037733A1 Control valve arrangement for regulation of axial piston pump, has load sensing control valve positioning air vent-pressure medium connection of load sensing line with tank in idle position and locking connection in control position |
| 02/24/2011 | DE102009026394A1 Compressor, particularly for air-supply system in vehicle, has storage, dryer, switchable pneumatic control element and valve, and control device, and unit is provided for determining operating hours of compressor |
| 02/24/2011 | CA2771458A1 Switching assembly for a hydraulic pump jack |
| 02/23/2011 | EP2287469A1 Pump operated plumbing fixtures with overflow detection |
| 02/23/2011 | EP2287462A1 A pump unit |
| 02/23/2011 | EP2285635A1 Compressor system, and method for the operation of a compressor system |
| 02/23/2011 | EP1611355B9 Diaphragm pump |
| 02/23/2011 | CN201751241U Energy-saving supercharging device of automobile air compressor |
| 02/22/2011 | US7893178 Process for storing a monomer phase which is liquid under the conditions of storage |
| 02/22/2011 | US7891957 Capacity variable type rotary compressor and driving method thereof |
| 02/22/2011 | US7891956 Rotary compressor |
| 02/22/2011 | US7891955 Compressor having a dual slide valve assembly |
| 02/18/2011 | CA2675497A1 Switching assembly for a hydraulic pump jack |
| 02/17/2011 | WO2011018393A1 Drive device for oscillating positive-displacement machines |
| 02/17/2011 | US20110038736 Method for controlling a filling process of a water-bearing household appliance |
| 02/17/2011 | DE112009000496T5 Verdrängungssteuersystem für verstellbaren Verdrängungskompressor Displacement control system for variable displacement compressor |
| 02/17/2011 | DE10321771B4 Verfahren zur Leistungsbegrenzung eines mehrstufigen Kompressor und Kompressor zur Durchführung des Verfahrens A method for limiting the power of a multistage compressor and compressor for carrying out the method |
| 02/17/2011 | DE102009037648A1 Storage circuit for hydraulic accumulator, has electric motor switched upon reaching preset loading pressure of hydraulic accumulator and driving pump, where rotational speed of electric motor is controllable |
| 02/17/2011 | DE102008063132B4 Verfahren zur Identifizierung eines Typs einer Vakuumpumpe A method for identifying a type of vacuum pump |
| 02/17/2011 | CA2762274A1 Drive device for oscillating positive-displacement machines |
| 02/16/2011 | EP2284462A2 Compressor diagnostic system |
| 02/16/2011 | CN201747580U Safety cushion valve |
| 02/16/2011 | CN201747579U Water pump with hidden pressure adjustment device |
| 02/16/2011 | CN201747578U Pumping unit control device and system |
| 02/16/2011 | CN201747577U Water pump automatic vacuum magnetic controller |
| 02/16/2011 | CN201747576U Piston type unloader |
| 02/16/2011 | CN201747555U Double-pump type pumping plant |
| 02/16/2011 | CN201747553U Profile controlling and water blocking pump set |
| 02/16/2011 | CN101975158A Concrete pump truck and concrete piston lubricating system thereof |
| 02/16/2011 | CN101975156A Minimum power consumption variable-frequency energy-saving control method for pumping station |
| 02/16/2011 | CN101975155A Slurry pump control system |
| 02/15/2011 | US7890216 Control valve and positioner diagnostics |
| 02/13/2011 | CA2675402A1 Variable volume clearance pocket for a reciprocating compressor cylinder |
| 02/10/2011 | WO2011017536A2 System for controlling the stroke of an air-operated double diaphragm pump |
| 02/10/2011 | US20110033317 Vacuum pump |
| 02/10/2011 | US20110033314 Systems and Methods for Automatic Forward Phasing Determination in a Downhole Pump System |
| 02/10/2011 | US20110033313 Air Flow Control Apparatus |
| 02/10/2011 | US20110030392 Expander speed control |
| 02/10/2011 | DE102009036346A1 Hydraulisches System mit einer hydrostatischen Kolbenmaschine Hydraulic system with a hydrostatic piston engine |
| 02/10/2011 | DE102009036021A1 Ventilgesteuerte Verdrängermaschine Valve-controlled displacement |
| 02/10/2011 | DE102009035276A1 Steuerung und Steuerungsverfahren für elektrische Wasserpumpen Control and control method for electric water pump |
| 02/10/2011 | CA2769403A1 System for controlling the stroke of an air-operated double diaphragm pump |
| 02/09/2011 | EP2282402A1 Electric pump device |
| 02/09/2011 | EP2282064A2 Open center hydraulic system |
| 02/09/2011 | EP2281119A1 Method for controlling the position of an electromechanical actuator for reciprocating compressor valves |
| 02/09/2011 | CN201739152U Bundled protector |
| 02/09/2011 | CN201739151U Electromagnetic water pump heating device |
| 02/09/2011 | CN201739150U Probe circuit of water pump controller |
| 02/09/2011 | CN201739149U Circuit structure of protecting device for pump feeding system |
| 02/09/2011 | CN201739148U Real-time monitoring device for oil-gas mixture pump of offshore oil platform |
| 02/09/2011 | CN101970880A Hydraulic drive device |
| 02/09/2011 | CN101970875A Ultra high pressure pump with an alternating rotation to linear displacement drive mechanism |
| 02/09/2011 | CN101970813A Lubricant delivery system for internal combustion engines |
| 02/09/2011 | CN101970098A Micropump device |
| 02/09/2011 | CN101968049A Novel fruit and vegetable transport case, intelligent variable ventilation system and realizing method thereof |
| 02/03/2011 | WO2011013541A1 Air conditioning device for vehicle |
| 02/03/2011 | WO2011013540A1 Refrigeration cycle |
| 02/03/2011 | WO2011013285A1 Liquid supply device using check valve and reactive liquid chromatography system |
| 02/03/2011 | WO2011012304A1 Control and control method for protecting electric water pumps that can be turned on manually |
| 02/03/2011 | US20110027104 Sensor for switching a pump on and/or off |
| 02/03/2011 | US20110023701 Variable displacement reciprocating pump |