Patents
Sitemap › F04 - Positive-displacement machines for liquids; Pumps for liquids or elastic fluids › F04D - Non-positive-displacement pumps › F04D 29 - Details, component parts, or accessories
Patents for F04D 29 - Details, component parts, or accessories (70,655)
07/1989
07/06/1989DE3743709A1 Drainage pump, in particular for washing machines and dishwashers
07/05/1989EP0323384A2 Centrifugal pump
07/05/1989EP0322504A2 Shrouded inducer pump
07/05/1989CN2040558U Impeller for slurry pumps, especially for coarse slurry pumps
07/05/1989CN2040557U Transitional linking-up structure
07/05/1989CN2040555U Adjustable wide-angle fan
07/04/1989US4844707 Rotary pump
07/04/1989US4844697 Impeller for an axial flow fan
07/04/1989US4844696 Blade angle control device for use in an axial flow fan the blades of which are adjustable during operation
07/04/1989US4844695 Variable flow radial compressor inlet flow fences
07/04/1989US4844693 Low-flow pump casing
07/04/1989US4844691 Centrifugal liquid pump with cavitation surge suppression
07/04/1989US4844690 Diffuser vane seal for a centrifugal compressor
07/04/1989US4844689 Compressor and air bleed system
07/04/1989US4844621 Fuel pump with passage for attenuating noise generated by impeller
06/1989
06/29/1989DE3842243A1 Pumpe und pumpen-betriebseinrichtung Pump and pump-operating device
06/28/1989EP0321825A2 Axially traversed row of rotor blades for compressors or turbines
06/28/1989CN2040187U Mechanically-sealed internal water cascading mechanism of an eddy self-priming pump
06/28/1989CN1033535A Pump integrating electric motor with vane wheel
06/28/1989CN1004645B Centrifugal pump casing
06/27/1989US4842486 Method and apparatus for increasing the operating efficiency of a liquid-flow machine
06/27/1989US4842481 Fluid pumps
06/27/1989US4842480 Multi-stage inline rotary pump
06/22/1989DE3742085A1 Drive unit for a liquid pump
06/21/1989EP0321295A2 Automatic pump protection system
06/21/1989EP0166760B1 Solid materials pump
06/20/1989US4840541 Fan apparatus
06/20/1989US4840535 Vertical submersible pump assembly
06/20/1989US4840384 Face-type shaft seal with shroud
06/15/1989WO1989005373A1 Resin-coated carbon fibers, heat-resistant resin composition using same, and parts for internal combustion engines
06/15/1989DE3740963A1 Radial fan
06/14/1989EP0320429A2 Multistage centrifugal sump pump
06/14/1989EP0320061A2 Pump device for low-viscosity liquids
06/14/1989EP0320060A2 Pump device for low-viscosity liquids
06/13/1989US4839106 Portable misting fan
06/13/1989US4838762 Fan body and rotor cup assembly
06/13/1989US4838761 Methods and apparatus for preventing or retarding fruit and vegetable freezing
06/13/1989US4838760 Fan with motor cooling enhancement
06/13/1989US4838759 Cavitation-resistant inducer
06/13/1989US4838758 Reduced diameter downthrust pad for a centrifugal pump
06/13/1989US4838559 Reactor coolant pump hydrostatic sealing assembly with improved hydraulic balance
06/13/1989US4838151 Combination window and floor fan
06/08/1989DE3839053A1 Fuel feed device for an internal combustion engine
06/07/1989EP0318638A2 Containment assembly
06/06/1989US4836751 Detachable electric fan
06/06/1989US4836747 Adjusting device for a compressor
06/06/1989US4836746 Axial flow engine guide vane adjusting device
06/06/1989US4836148 Shrouding for engine cooling fans
06/06/1989CA1255152A1 Fluid control means for pumps and the like
06/01/1989WO1989004925A1 Centrifugal liquid pump
06/01/1989WO1989004644A1 Single-stage axial flow blood pump
05/1989
05/31/1989EP0317729A1 Impeller for fans
05/31/1989EP0317687A1 Centrifugal pump for cryogenic fluids
05/31/1989CN2038566U Fan blade with hole on its front part
05/31/1989CN1033209A Hydraulic shaft seal device
05/30/1989US4834628 Rotor-magnet unit
05/30/1989US4834624 Pump assembly for delivering liquids and gases
05/30/1989US4834615 Mounting arrangement for an axial fan
05/30/1989US4834613 Radially constrained variable vane shroud
05/30/1989US4834612 In a pump wheel of a side-channel fuel pump
05/30/1989US4834611 Vortex proof shrouded inducer
05/26/1989EP0253839A4 Centrifugal seal.
05/24/1989EP0317186A2 Engine cooling fan
05/24/1989EP0316470A1 Radial fan with an internal spiral
05/24/1989DE3738929A1 Blower with impeller and guide element
05/24/1989DE3738592C1 Electric motor for driving a liquid pump, and a method for its production
05/23/1989US4832573 Integral connection for plastic water pump impeller
05/23/1989US4832572 Fan blade cover
05/23/1989US4832565 Centrifugal pump
05/18/1989DE3737391A1 Air guiding device for a radiator/fan arrangement
05/17/1989EP0315941A2 Junction for materials of different thermal expansion
05/17/1989EP0315761A1 Device for supplying lubricant
05/17/1989CN2037785U Wind-dividing electric fan
05/17/1989CN1032971A Lubricating device for turbine machine
05/16/1989US4830584 Pump or compressor unit
05/16/1989US4830573 High pressure pump with plastic pump housing and heat sink
05/16/1989US4830572 Idler disk
05/11/1989DE3736175A1 Blank for a centrifugal pump impeller
05/10/1989CN2037408U Box type dual end faces machinery seal for submersible pump
05/09/1989US4828457 Elbow casing for fluid flow machines
05/09/1989US4828456 Fan unit and a method of manufacturing the guide vanes of such a unit
05/09/1989US4827712 Turbofan gas turbine engine
05/09/1989US4827589 Method for the manufacture of a pump rotor for a coolant pump in a motor vehicle
05/09/1989CA1253743A1 Seal cooling for plastic pumps
05/05/1989WO1989003938A1 Pump
05/03/1989EP0314659A2 A vertical submersible pump assembly
05/03/1989EP0314658A2 A vertical submersible pump assembly
05/03/1989CN2037006U Internal cooling type swirl pump
05/02/1989US4826402 High-capacity centrifugal pump
05/02/1989US4826401 Centrifugal pump
05/02/1989US4826398 Medium consistency pump with self-feeding
05/02/1989US4826396 Rotor self-lubricating axial stop
05/02/1989CA1253439A1 Turbomachinery blade mounting arrangement
05/02/1989CA1253351A1 Blade carrying means
04/1989
04/27/1989DE3734317A1 Installation of a split spherical roller bearing having corresponding sealing in Kaplan turbines and Kaplan pumps
04/26/1989CN2036596U Lubricating grease type seal structure for water pump
04/26/1989CN2036591U Impeller structure
04/26/1989CN1032575A Casing for crossflow fan
04/26/1989CN1032535A High strength sintering composite ceramic body with fine toughness and resist erosion function
04/26/1989CN1004017B Single-shaft multi-stage centrifugal compressor
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