Patents for F04D 29 - Details, component parts, or accessories (70,655)
05/1988
05/24/1988US4746268 End face mechanical shaft seal for use in hydraulic machines and seal ring assembly for use in the shaft seal
05/24/1988US4746267 Pump arrangements
05/24/1988US4746266 Radial blower
05/18/1988EP0267810A2 Idler disk
05/18/1988EP0267725A2 Axial flow fan
05/18/1988EP0267478A2 Gas turbine jet engine with a high pressure compressor
05/18/1988EP0267445A2 Multistage pump for submersible electric pumps
05/18/1988EP0267444A2 Electric motor for submersible pump
05/17/1988US4744721 Turbopump sealing device
05/11/1988EP0266802A2 Ducted propeller
05/11/1988DE3638244A1 Device for conveying and/or compressing oxygen
05/10/1988US4743173 Slide beating unit for small size fan
05/10/1988US4743161 Compressors
05/05/1988DE3637500A1 Impeller for spheropumps
05/05/1988DE3637464A1 Hot-gas radial fan
05/05/1988DE3636940A1 Centrifugal-pump motor unit with magnetic stabilisation
05/04/1988EP0266298A2 Reduced loss swept supersonic fan blade
05/03/1988US4741669 Shroud
05/03/1988CA1235950A1 Slurry pump mechanical seal mounting assembly
04/1988
04/27/1988EP0265264A2 Seal protection apparatus
04/27/1988EP0143791B1 Radial blower
04/26/1988US4740138 Device for controlling the throat areas between the diffusor guide vanes of a centrifugal compressor of a gas turbine engine
04/26/1988CA1235606A1 Pump construction
04/21/1988WO1988002821A1 Centrifugal pump for hot media
04/21/1988WO1988002820A1 Impellers for centrifugal pumps
04/21/1988DE3735351A1 Centrifugal pump
04/20/1988EP0263914A2 Housing for centrifugal machines or dust separators, and process for producing the housing
04/19/1988US4738594 Blades for axial fans
04/19/1988US4738593 Centrifugal blower wheel
04/19/1988US4738584 Multiple impeller pump
04/19/1988CA1235401A1 Blade with a blade shaft for an impeller of an axial flow fan
04/19/1988CA1235400A1 Axial flow fan impeller
04/13/1988CN87106608A 泵 Pump
04/13/1988CN86106031A Sealing device of double row seals for submersible motor pump
04/12/1988US4737673 Bearing assembly for an axially compact miniature motor or ventilator
04/12/1988US4737077 Profiled blade of a fan and its application in motor-driven ventilating devices
04/12/1988US4737074 Wear resistant hub for wind machines
04/12/1988US4737072 Centrifugal pump
04/12/1988US4737071 Variable geometry centrifugal compressor diffuser
04/12/1988US4736816 Noise-suppressing air intake for ventilation fans
04/12/1988CA1235102A1 Impeller for axial fan
04/07/1988WO1988002444A1 Pump
04/07/1988DE3448204C2 Fan
04/06/1988EP0263000A1 Helicoidal fan with a guiding envelope
04/05/1988US4735555 Air blower assembly for vacuum cleaner
04/05/1988US4735551 Radial blower
03/1988
03/31/1988DE3731710A1 Bearing arrangement for an axially compact miniature fan
03/31/1988DE3731574A1 Fastener for fans
03/31/1988DE3731573A1 Axial wheel for an axial-flow fan
03/30/1988EP0261490A1 Radial fan
03/30/1988CN87212926U Motor fan with cast blades
03/29/1988US4734600 Noise damped dynamo electric machine, especially vehicular type alternator
03/29/1988US4734266 Pump seal oil system
03/29/1988US4734018 Vacuum pump with plural labyrinth seal portions
03/29/1988US4734015 Axial-flow fan
03/29/1988US4733873 Mechanical seal
03/29/1988US4733738 Tractor spray pump support
03/23/1988EP0261082A2 Mechanical seal with a reduced axial length for hydraulic pumps
03/23/1988EP0260501A1 Pump driven by an electromotor
03/23/1988EP0260320A1 Cartridge pump.
03/23/1988EP0260261A1 Impeller wheels
03/23/1988CN87200061U Low noise local ventilator
03/23/1988CN86101455B Sealing device for rotary machine for fluid
03/22/1988US4732541 Centrifugal elastomeric coated impellers
03/22/1988US4732536 Turbo-machine compressor with variable incidence stator vanes
03/22/1988US4732532 Arrangement for minimizing buzz saw noise in bladed rotors
03/22/1988US4732531 Air sealed turbine blades
03/22/1988US4732236 Liquid scavenging pump system
03/17/1988DE3707437A1 Impeller for an axial-flow fan
03/17/1988DE3629964A1 Centrifugal pump with spherical air gap
03/16/1988EP0260175A1 Profiled propeller blade and its use in motor-driven fans
03/15/1988US4730989 Rotodynamic pump with spherical bearing
03/15/1988US4730980 Air supply system
03/10/1988DE3629311A1 Centrifugal pump unit with canned magnetic coupling
03/10/1988DE3629132A1 Blower for oil and gas blower burners
03/09/1988EP0259061A2 Axial flow fan and fan blade therefor
03/09/1988EP0258440A1 Rotor of centrifugal compressor
03/09/1988CN87207494U Static-pressure balancer for a centrifugal pump
03/09/1988CN86206604U Prerotation energy-saving air feeding device for a fan
03/09/1988CN85109446B Axial sealing mechanism for a scoll compressor
03/08/1988US4729724 Blower for propelling a continuous gas stream with inflatable gas seals
03/08/1988US4729714 Built-in fan
03/03/1988DE3628547A1 Blower for delivering gases
03/02/1988EP0257358A2 Hydraulic sealing ring on the inlet of the impeller in single-stage and multistage pumps
03/02/1988EP0257140A1 Nuclear reactor coolant pump impeller/shaft assembly
03/02/1988EP0257098A1 Centrifugal compressor
03/01/1988US4728260 Direction-selectable sending-out pump
03/01/1988CA1233417A1 Clamping assembly
03/01/1988CA1233365A1 Centrifugal pump
02/1988
02/24/1988CN87203532U Low-pressure axial-flow wind machine with front inclining twisted plate blade
02/23/1988US4726742 Guide structure for submersible pump system
02/23/1988US4726737 Reduced loss swept supersonic fan blade
02/23/1988US4726733 Variable diffuser element
02/23/1988CA1233147A1 Diffuser for a centrifugal compressor
02/23/1988CA1233146A1 Multi stage centrifugal impeller
02/17/1988CN87209798U Multiple effect deafener of blower
02/17/1988CN86105303A New material of vacuum-pump vane-swivelling vane for three-lipid cotton pump
02/16/1988US4725198 Gas circulator
02/16/1988US4725196 Single-shaft multi-stage centrifugal compressor
02/16/1988US4724747 Ventilator housing with a protective screen