Patents
Sitemap › F04 - Positive-displacement machines for liquids; Pumps for liquids or elastic fluids › F04D - Non-positive-displacement pumps › F04D 1 - Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
Patents for F04D 1 - Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps (3,447)
12/2010
12/02/2010US20100303609 Substance transfer device
12/02/2010DE202009009092U1 Pumpe für eine Heizungsanlage Pump for heating system
12/01/2010CN201661511U Water pump
12/01/2010CN201661510U Guide impeller of multistage centrifugal pump and multistage centrifugal pump
12/01/2010CN201661508U Water retaining ring for multi-stage centrifugal pumps and multi-stage centrifugal pump
12/01/2010CN201661501U Multi-stage centrifugal pump shaft sleeve and multi-stage centrifugal pump
12/01/2010CN201661473U Centrifugal pump provided with water accumulating device
12/01/2010CN201661472U Single-stage single-suction centrifugal pump
12/01/2010CN201661471U Centrifugal seal water feed pump for nuclear power plant
12/01/2010CN101900130A Self leveling dynamically stable radial bearing
12/01/2010CN101900122A Three-dimensional vortex pump
12/01/2010CN101592155B Small-flow high-delivery-lift submerged multi-stage centrifugal pump
11/2010
11/25/2010WO2010133405A1 Pitot tube pump
11/24/2010CN201650748U Elevation water pump for fire fighting
11/24/2010CN201650747U Vertical single-stage centrifugal water pump
11/24/2010CN101892991A Horizontal type multi-stage pump without leakage
11/24/2010CN101892990A Horizontal split multi-stage pump
11/24/2010CN101892989A High-pressure double suction pump
11/23/2010US7837431 Impeller and sewage treatment pump including the same
11/17/2010EP1588055B1 Electric motor pump for swimming pool maintenance
11/17/2010CN201636074U Connection structure of centrifugal pump impeller and shaft
11/17/2010CN201636016U Miniature magnetic transmission water pump for vehicle
11/17/2010CN201636015U Single-stage corrosion resisting centrifugal pump
11/17/2010CN201636014U High efficiency liquid ring pump
11/17/2010CN201636013U Novel sewage pump
11/10/2010CN201627761U Multistage pump centrifugal pump guide vane
11/10/2010CN201627724U Vertical multi-stage centrifugal pump
11/10/2010CN201627723U Vertical-type multi-stage pump
11/10/2010CN201627722U Metal-ceramic high molecular material wear-resistant anticorrosive pump
11/10/2010CN101881282A Centrifugal fluid pump
11/10/2010CN101644267B Water-cooling motorcycle water pump
11/10/2010CN101383541B Design method for highly efficient rear incline centrifugal type cooling external fan for high-voltage asynchronous motor
11/10/2010CN101361994B Artificial heart blood-pump capable of increasing blood pressure step by step
11/09/2010US7828530 Electric motor pump for swimming pool maintenance
11/09/2010US7828508 Fuel pump
11/03/2010CN201621074U High-efficient energy-saving centrifugal pump
11/03/2010CN101303024B High-efficiency long life multifunctional vane pump
10/2010
10/28/2010US20100272561 Boltless Multi-part Diaphragm for Use with a Centrifugal Compressor
10/27/2010EP2242928A1 Fastening of the rotor of a centrifugal pump
10/27/2010CN201615062U 排污泵 Sewage pumps
10/27/2010CN201615060U 双壳体径向剖分卧式多级泵 Double casing radially split horizontal multistage pump
10/27/2010CN201615059U 单级卧式流程泵 Single-stage horizontal flow pump
10/20/2010CN201610847U 一种提高自吸能力的立式自吸泵 A way to improve self-absorption capacity of the vertical pump
10/20/2010CN201610845U 核电站消防水泵 Nuclear Power Plant Fire Pump
10/20/2010CN101868628A Two-stage rotodynamic blood pump
10/20/2010CN101865138A Novel multistage centrifugal pump
10/20/2010CN101865137A Experimental device of 'wet' rotor effect of multi-stage centrifugal pump
10/20/2010CN101865136A Power transmission device for centrifugal pump
10/13/2010CN201606314U 水泵快速启动装置 Pump quick start device
10/13/2010CN201606259U 离心泵用自吸装置 Self-priming centrifugal pump device
10/13/2010CN201606258U 两级双吸高温高压流程泵 Two pairs of high temperature and pressure suction process pump
10/13/2010CN201606257U 立式圆周转动抗屈服力扬水泵 Vertical circumference anti-rotation pumps yield LIYAN
10/13/2010CN201606256U 离心清水泵提水器及抽水装置 Centrifugal pumps and pumping equipment for water filter
10/13/2010CN201606255U 一种用于熔融泵上的双排轴承组合装置 A double row bearing on the combination of melt pump means for
10/13/2010CN201606254U 一种离心式水泵 A centrifugal pumps
10/13/2010CN101858351A Multi-stage pump
10/13/2010CN101858350A Rotation shell type hydrogenation water-injection pump driven by secondary steam turbine
10/12/2010US7811065 Vacuum pump for differential pumping multiple chambers
10/06/2010CN201599199U 1000mw核电站用核二级泵电动辅助给水泵 1000mw nuclear power plant auxiliary feedwater pump with nuclear secondary pump electric
10/06/2010CN101852211A Novel centrifugal pump
09/2010
09/29/2010EP2233744A2 Centrifugal motor pump
09/29/2010CN201593504U High-temperature medium self-sucking device
09/29/2010CN101846081A Horizontal radial multi-stage centrifugal pump
09/29/2010CN101387301B Vehicle-mounted medium and low voltage stepless conversion fire pump
09/23/2010DE102008015707B4 Wasserpumpe und Verfahren zu ihrer Steuerung Water Pump and methods of control
09/16/2010US20100232950 Multi-stage centrifugal pump assembly (shaft)
09/16/2010US20100232949 Multi-stage centrifugal pump (axial face seal)
09/16/2010DE102009013156A1 Multi-stage centrifugal pump i.e. two-stage centrifugal pump, for conveying easily outgassing or combustible fluid with low boiling point, has pump stage compensating axial thrust of suction impeller that comprises suction-side gap sealing
09/15/2010EP2228538A1 Multi-layer circulation pump aggregate
09/15/2010CN201582128U Vertical multi-stage stainless steel stamping pump
09/15/2010CN201582127U Novel two-stage double-tube inlet double-suction pump rotor
09/15/2010CN201582126U Multistage pump for reducing hydraulic loss
09/15/2010CN201582125U Multi-stage pump
09/15/2010CN201582124U Anti-cavitation double-suction centre split type centrifugal pump
09/15/2010CN201582123U Vertical single-stage single-suction centrifugal pump
09/15/2010CN101832272A Multi-stage centrifugal pump assembly
09/15/2010CN101832271A Multi-stage centrifugal pump assembly
09/15/2010CN101832270A Multi-stage centrifugal pump
09/15/2010CN101832269A Multi-functional bottom plate for centrifugal pumps, in particular for boiler circulation pumps
09/09/2010DE102009021922B3 Staurohrpumpe Pitot tube pump
09/08/2010CN201574940U Vertical multistage centrifugal pump
09/08/2010CN201574939U Multistage centrifugal pump
09/08/2010CN201574938U Urea melting pump
09/08/2010CN201574937U Dynamic seal titanium pump
09/02/2010US20100221105 Staged centrifugal pump apparatus for pumping a viscous fluid
09/01/2010CN201568364U Guide vane for multi-stage chemical nanopump
09/01/2010CN201568310U Stainless steel barrel-shaped horizontal multistage centrifugal pump
09/01/2010CN201568309U Improved build-in double-impeller pump structure
09/01/2010CN201568308U Heat-proof corrosion resistant self-feeding type chemical industry centrifugal pump
09/01/2010CN201568307U Single-stage double-suction centrifugal oil pump with both ends supported
09/01/2010CN201568306U Axially-split single-stage double-suction centrifugal pump
09/01/2010CN201568305U Connecting shaft double-suction pump spindle cold mechanism
09/01/2010CN101818735A High-speed multistage turbine vacuum pump and evacuation method thereof
09/01/2010CN101818734A Charging pump with segmental internal shell for use in nuclear power plant
09/01/2010CN101818733A Internal shell split centrifugal charging pump
09/01/2010CN101818732A Centrifugal charging pump for use in nuclear power plant
09/01/2010CN101818731A Starch emulsion defoaming pump
08/2010
08/26/2010DE102009009898A1 Kühlmittelpumpe für Fahrzeuge Coolant pump for vehicles
08/25/2010CN201560949U Exhaust-free water pumping system
08/25/2010CN101813092A Multi-impeller combination hydraulic design method of multistage centrifugal pump
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