Patents for F04D 13 - Pumping installations or systems (12,375)
04/2011
04/28/2011US20110097189 Boundary layer effect turbine
04/28/2011DE202011002585U1 Minimierung des Verschleißes bei Peripheralradpumpen Minimize wear in peripheral pumps
04/28/2011DE102010019425A1 Zentrifugalfluidpumpe Centrifugal fluid pump
04/27/2011EP2314881A1 Pump
04/27/2011EP2314875A2 Water circulating pump, manufacturing method thereof, and heat pump apparatus
04/27/2011EP2313658A2 Cable clamping device for submersible pump
04/27/2011CN201813244U Packingless pump and special motor thereof
04/27/2011CN201813135U Electrical submersible pump lead cable protective device
04/27/2011CN201810487U Wind power generation water lifting system
04/27/2011CN201809205U Zero-energy consumption deep-sea sea water desalting all-in-one pump
04/27/2011CN102037244A Underwater delivery unit
04/27/2011CN102032199A High-torque planetary gear speed-reducing submersible tubular pump
04/27/2011CN102032198A Novel double-suction high-efficiency submersible motor pump
04/27/2011CN102032197A Intake and exhaust hood of pneumatic turbine submersible pump
04/21/2011WO2011044892A1 Underwater compressor arrangement and underwater process fluid conveying arrangement equipped therewith
04/21/2011DE102004058533B4 Pumpe für Flüssigkeiten unter Überdruck Pump for liquids under pressure
04/20/2011CN201802674U Lower bearing structure of submersible slurry pump
04/20/2011CN201802644U Small-size deep-well centrifugal submersible pump
04/20/2011CN201802643U Submersible pump without exposed fastener
04/20/2011CN201802642U Centrifugal type electric submersible pump
04/20/2011CN201802641U Double-motor type sewage draining pump
04/20/2011CN201802640U Permanent magnet draining pump
04/20/2011CN201802639U Side-slagging type electric slag-pumping pump for methane tank
04/20/2011CN201802638U Lateral water inflow water pump with unidirectional washer
04/20/2011CN102022347A High-viscosity submerged mortar pump for multi-wire cutting
04/20/2011CN102022346A Novel efficient diving sewage pump
04/20/2011CN102022345A Novel submersible sewage pump for circulation cooling device
04/20/2011CN102022341A Mortar magnetic pump
04/19/2011CA2630120C Electric motors for powering downhole tools
04/14/2011WO2011042862A1 Submerged centrifugal electric pump
04/14/2011WO2011042646A1 Double cylinder electric pump for pool maintenance
04/14/2011WO2011042096A1 Immersion pump assembly
04/14/2011US20110085918 Water-lifting pump apparatus and method of controlling operation thereof
04/14/2011DE102009049904A1 Separation wall i.e. separating calotte, for ball shaped electric motor, has rotor assembly pivoted to sliding body, and retaining element formed with enclosed surface for sliding body and made of stainless steel deep-drawable material
04/13/2011EP2309133A1 Submersible pump power unit
04/13/2011CN201794804U Leakproof submerged pump
04/13/2011CN201794803U Leak-proof submerged pump with detachable rotation device
04/13/2011CN201794802U Large-capacity circulating pump
04/13/2011CN201794801U Side vertical biogas manure crushing and pumping machine
04/13/2011CN201794800U Submersible sewage type biogas residue and biogas slurry crushing pumping drainage machine
04/13/2011CN201794799U Fountain pump
04/13/2011CN102016323A Arrangement with an electric motor and a pump
04/13/2011CN102011736A Novel electromagnetic heat pump
04/13/2011CN101705944B Underwater vertical oil-gas multiphase pump for offshore production wells
04/13/2011CN101153604B Pump impeller connecting mechanism with limited free motion
04/13/2011CN101131158B Natural gas liquid charging-up pump and natural gas liquid charging-up station
04/12/2011US7921903 Heat exchange system
04/07/2011WO2011040705A2 Watertight apparatus for an underwater motor
04/07/2011WO2011039166A1 Centrifugal pump unit having a switching device
04/07/2011US20110081255 Controlling Pumps for Improved Energy Efficiency
04/07/2011DE202011000181U1 Tauchpumpenvorrichtung Submersible pump device
04/07/2011DE102009047910A1 Rotor unit for ball motor of e.g. industrial water pump, has rotor blades arranged between carrier body and cover ring, and rotor disk comprising centering collar projecting from cover ring and arranged in region of suction opening
04/06/2011EP2306028A2 Inner drive for magnetic drive pump
04/06/2011CN201786687U Submersible electric pump and seat thereof
04/06/2011CN201786686U Cutting type sewage-discharge submersible pump
04/06/2011CN201786685U Immersible pump with stirring function
04/06/2011CN201786684U Self-balancing multistage submerged pump
04/06/2011CN201786683U High-speed magnetic pump
04/06/2011CN201786682U Magnetic centrifugal pump
04/06/2011CN201786681U Magnetic floating water pump
04/06/2011CN102003396A Self-cooling guide vane downdraft type submersible pump
03/2011
03/31/2011WO2011037166A1 Anti-vortex device and double-suction vertical pump provided with the anti-vortex device
03/31/2011WO2011037129A1 Pump
03/31/2011WO2011035972A1 Electric delivery pump and method for driving an electric delivery pump
03/31/2011WO2011035821A1 Winding device for the connection cable of a garden pump
03/31/2011DE202011000193U1 Tauchpumpe Submersible pump
03/31/2011DE102009023188B4 Strömungsmaschine mit im Innern einer Hohlwelle angeordnetem Laufrad Flow machine arranged inside a hollow shaft impeller
03/30/2011EP2302182A2 Water pump
03/30/2011EP2300717A1 Centrifugal electric pump
03/30/2011EP1844239B1 Two piece separable impeller and inner drive for pump
03/30/2011CN201779036U Vertical sewage pump with edge-folded blades
03/30/2011CN101994705A Updraught multilayer isolated disc air compression seal-less diving pump
03/30/2011CN101994704A Chemical process intelligent pump and control method thereof
03/30/2011CN101532501B Improved magnetic pump
03/29/2011US7914252 Fan array fan section in air-handling systems
03/23/2011EP2297466A1 Flushing system
03/23/2011EP2297465A1 Pump with magnetic bearings
03/23/2011EP2055910B1 Water pump
03/23/2011EP1216359B1 Centrifugal pump
03/23/2011CN201771802U Total lift deep well pump
03/23/2011CN201771801U Submerged pump with multiple inlets
03/23/2011CN201771800U Submergence vortex electric pump with high blades and low blades
03/23/2011CN201771799U Submersible pump vortex electric pump with ruffled blade
03/23/2011CN201771798U Submerged sewage pump with folding blade
03/23/2011CN201771797U Self-priming pump device for oil spill skimming
03/23/2011CN201771796U Cooling water pump for automobile engine
03/23/2011CN201771795U Vertical water pump
03/23/2011CN201771794U Non-overload turbulence pump with cambered blade
03/23/2011CN201771793U 气动离心泵 Pneumatic centrifugal
03/23/2011CN201771792U Pneumatic screw pump
03/23/2011CN201771791U Hand pump
03/23/2011CN201771790U Low-lying accumulated water collecting treatment pump
03/23/2011CN101990602A Centrifugal electric pump
03/23/2011CN101988514A Lithium bromide absorptive shielding electric pump for air conditioner
03/23/2011CN101988513A Wall-mounted furnace canner motor pump with automatic exhaust device
03/23/2011CN101988512A Novel chemical electric pump
03/23/2011CN101988511A Pipeline shielding structural electric pump working in manner of internal circulation
03/23/2011CN101988510A Canned motor pump with check valve
03/23/2011CN101988509A Canned motor pump for air conditioning unit with double circulation system
03/23/2011CN101988508A Complete water filling pump for motor
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