Patents for F04D 13 - Pumping installations or systems (12,375)
08/1999
08/18/1999CN1226307A Hybrid magnetically suspended and rotated centrifugal pumping apparatus and method
08/17/1999US5939813 Gap tube motor
08/17/1999US5938412 Blood pump having rotor with internal bore for fluid flow
08/12/1999DE19803739A1 Glandless cooling water circulation pump
08/11/1999EP0934449A1 Aircraft fuel transfer pump with auxiliary fuel line scavenge pump
08/05/1999WO1999039422A1 Motor for submerged pump
08/03/1999US5930852 Heat exchanging pump motor for usage within a recirculating water system
07/1999
07/28/1999EP0931222A1 Procedure for the starting up of pumps
07/28/1999EP0930931A1 Modular filtration system
07/28/1999CN2330815Y Submerged pump with axial seal structure
07/27/1999US5928131 Magnetically suspended fluid pump and control system
07/27/1999US5927941 High-temperature motor pump
07/21/1999CN2329797Y Oil-filled electric machine protector
07/21/1999CN1223343A 水位控制器 Water Level Controller
07/20/1999US5924851 Magnetically coupled pump having a back-up radical sliding surface on the shaft
07/20/1999US5924848 Blood pump having radial vanes with enclosed magnetic drive components
07/15/1999WO1999035403A1 Direction-dependent driving coupling between the rotor of a permanent-magnet synchronous motor and the working part
07/15/1999WO1999027257A3 Stage in a submerged multiple-stage pump
07/15/1999WO1999022141A3 Pumping apparatus
07/15/1999DE19900060A1 Collection tank and pump unit for pumping of particle-laden impure cooling medium from floor-standing machine tool station
07/14/1999EP0928914A1 Centrifugal pump with sealing ring
07/14/1999CN2328818Y Micro large flow submersible pump
07/14/1999CN1222958A Well pumping equipment
07/13/1999US5923111 Modular permanent-magnet electric motor
07/09/1999CA2257702A1 Floor mounted double containment low profile sump pump assembly
07/07/1999CN2327817Y Underwater pump
07/07/1999CN2327816Y Water energy pump
06/1999
06/30/1999EP0925451A1 Implantable electric axial-flow blood pump with blood-cooled bearing
06/30/1999CN2326756Y High-pressure rotor pump
06/30/1999CN1221078A Device for transferring fluid between two successive stages multistage centrifugal turbomachine
06/29/1999US5915931 Magnetic drive unit having molded plastic magnetic driver
06/24/1999DE19858700A1 Fluid feed device between two stages of a centrifugal turbo engine
06/24/1999DE19757741A1 Pump motor
06/23/1999CN2325565Y Large scale axial flow immersible pump
06/23/1999CN2325564Y Flexible shaft pump
06/22/1999US5914041 Reverse osmosis unit having purified liquid collection cavity and membrane placed deep within a vertical channel filled with unpurified liquid which provides pressure to cause permeate to flow through membrane into cavity
06/17/1999WO1999030039A1 Centrifugal pump
06/17/1999DE19753457A1 Pumpenanordnung für Flüssigkeitsbehälter Pump assembly for liquid containers
06/16/1999CN2324319Y Pressure regulating centrifugal injection pump
06/16/1999CN2324318Y Back-up preventing apparatus for oil-submersible electric pump
06/15/1999US5911558 Magnetically suspended pump having position sensing control
06/10/1999WO1999028632A1 Pump arrangement for liquid tanks
06/10/1999WO1999028631A1 Fuel supply system
06/10/1999DE19752884A1 Förderaggregat für Kraftstoff Delivery unit for fuel
06/10/1999CA2313052A1 Pump arrangement for liquid tanks
06/09/1999EP0921284A2 Improvements relating to the liquid cooled I.C. engines
06/09/1999CN2323178Y Two-stage combined pump
06/09/1999CN2323177Y Automatic coupled submersible sewege pump
06/09/1999CN2323176Y Wellbore type electric submersible pump
06/09/1999CN2323175Y Convenient energy-saving deep-well submersible pump
06/09/1999CN1219220A Water submersible motor pump
06/09/1999CN1218880A Fuel conveying device with improved conveying pump giometric structure
06/09/1999CN1218871A Improvements relating to liquid cooled I. C. engines
06/03/1999WO1999027257A2 Stage in a submerged multiple-stage pump
06/03/1999CA2254822A1 Improvements relating to the liquid cooled i.c. engines
06/02/1999EP0918937A1 Fuel supply unit
06/02/1999DE19753860C1 Motor vehicle fuel pump with electric motor and pump impeller
06/02/1999CN2321962Y Disc type sealing electric pump
06/01/1999US5909069 Fully integrated magnetic micromotors and methods for their fabrication
05/1999
05/27/1999WO1999025980A1 High speed self-lubricated fuel pump with hydrostatic bearings
05/27/1999DE19854724A1 Magnetically suspended fluid pump for control or regulation system
05/26/1999EP0631649B1 Fluid pump with improved magnetically levitated impeller
05/26/1999CN2320823Y Hand electric oil drum pump
05/26/1999CN2320822Y Large blowing rate inserted centrifugal fan
05/26/1999CN1217434A Magnetic drive unit
05/20/1999WO1999025055A1 Modular permanent-magnet electric motor
05/19/1999EP0916849A2 Magnetic drive unit
05/19/1999EP0916025A1 Centrifugal pump for pumping blood and other shear-sensitive liquids
05/12/1999EP0914171A2 Magnetically suspended miniature fluid pump and method of making the same
05/12/1999EP0844961B1 Cargo discharging pump
05/06/1999WO1999022141A2 Pumping apparatus
05/06/1999EP0913910A1 Pump motor having fluid cooling system
05/06/1999EP0913582A1 Pump motor having sumbersible stator and rotor
05/06/1999EP0912207A1 Battery powered surgical irrigator
05/05/1999CN2317340Y Electronic automatic drainer
04/1999
04/27/1999CA2145857C Sealless rotodynamic pump
04/21/1999CN1214760A Casing for fluid machinery
04/21/1999CN1214417A Multipurpose motor pump
04/21/1999CN1214415A Pump with storage tank
04/20/1999US5895203 Centrifugal pump having separable, multipartite impeller assembly
04/14/1999EP0908628A2 Pump with storage tank
04/14/1999EP0907830A1 Bilge pump
04/14/1999CN2314130Y Composite pumping device dropping in well
04/07/1999CN2313087Y Four-pole three-phase submersible electric motor with oil
04/07/1999CN2313086Y 组合泵 Combination pump
03/1999
03/31/1999EP0905379A1 Centrifugal pump and centrifugal pump arrangement
03/31/1999EP0904491A2 Apparatus for providing pressurized liquid to a device, high speed flood cooled motor/generator therefor
03/31/1999EP0904117A1 Intravascular blood pump
03/31/1999CN2312350Y Hanging pump for submerged use
03/25/1999WO1999014503A1 Rotary pump with immersed rotor
03/24/1999EP0903835A1 Axial flow pump/marine propeller
03/24/1999EP0903500A2 Electrically driven coolant pump
03/24/1999CN1211688A Auto-control protective submerged electric pump
03/18/1999WO1999012587A1 A rotary pump with hydrodynamically suspended impeller
03/17/1999EP0902189A2 Feed pump
03/17/1999EP0901797A2 Sealless rotary blood pump
03/17/1999EP0901574A1 Submerged motor pump
03/17/1999CN2310881Y Auto-control protection electric submersible pump
03/17/1999CN2310880Y Agricultural submersible spray pump
03/17/1999CN2310879Y Agricultural motor-driven submersible pump