Patents for F04D 29 - Details, component parts, or accessories (70,655)
10/1991
10/24/1991DE4012334A1 Multi-cell flow director for axial flow fan - has arrangement of honeycomb cells to smooth turbulence
10/23/1991EP0453303A1 Method of forming a coating on a reactor coolant pump sealing surface
10/23/1991EP0452538A1 Jet drive for ships and airplanes and also pumps
10/23/1991EP0452518A1 Cooling system comprising an axial fan driven by an electric motor, particularly for use in a motor vehicle
10/23/1991CN2087254U High temp. tube-axial fan
10/22/1991US5059092 Vacuum pump having emergency bearings
10/22/1991US5059091 Gas turbine engine compressor assembly
10/22/1991US5058615 Method and apparatus for pumping high consistency pulp
10/22/1991US5058557 Apparatus for delivery of fuel from a storage tank to an internal combustion engine of a vehicle
10/22/1991CA1290981C Face-type seal with shroud
10/17/1991WO1991015680A1 Vortex-type rotor machine
10/17/1991WO1991015664A1 Space-efficient centrifugal blower
10/17/1991DE4015207C1 Bearing for aircraft engine rotor blade - incorporates torsional tie rod in compact design
10/17/1991DE4012041A1 High pressure centrifugal pump for abrasive slurries - has outer cover of high strength ductile material mounted adjacent to pump housing
10/16/1991EP0452251A1 Driving- and supply-unit for spray- or surface-cooler
10/16/1991EP0451877A2 Protective respiratory mask
10/16/1991EP0451708A2 Vacuum pump
10/16/1991EP0451376A1 Centrifugal blood pump and motor drive
10/16/1991CN2086816U Combined energy-saving unit combating cavitation erosion
10/16/1991CN2086815U Protective sleeve for ceiling fan
10/16/1991CN2086812U Exhausting and blowing fan running in any direction
10/16/1991CN1055415A Installation of pressurizing water supply device in pipeline for submersible electric pump
10/16/1991CN1055414A Series connection device of submersible electric pump used in deep-well
10/16/1991CN1055413A Single-suction opposed high-lift submersible pump
10/15/1991US5057340 Method of forming a coating on a reactor coolant pump sealing surface
10/15/1991US5056738 Damper assembly for a strut in a jet propulsion engine
10/10/1991DE4011477A1 Support cage for centrifugal pump and motor assembly
10/10/1991DE4011181A1 Motor vehicle engine cooling system - has fan-wheel housed in opening in sound-insulation cladding for engine
10/09/1991EP0450272A2 Radial fan with an internal spiral
10/09/1991EP0449861A1 Centrifugal pump impeller with low specific speed.
10/09/1991CN2086337U Fan vane type with wide gas flow
10/09/1991CN2086336U No-overload low-unit speed centrifugal pump centrifugal impeller
10/09/1991CN2086335U Differential pressure seal device of centrifugal pump
10/09/1991CN2086329U Centrifugal sand pump
10/08/1991US5055006 Submerged motor pump having an outer casing which is radially deformable
10/08/1991US5055005 Fluid pump with levitated impeller
10/08/1991CA1290300C Quiet centrifugal fan
10/05/1991CA2039246A1 Driving and supply unit for a cooler
10/02/1991EP0449387A1 Liquid pump and pertaining counter race ring
10/02/1991DE4109761A1 Fluid salt coolant pump for nuclear reactor coolant loop - has pump submerged in sealed container with circuit gap to allow recirculation of shaft seal leak
10/02/1991DE4010080A1 Cooling fan for IC engine - has blades with profile allowing single piece die cast manufacture
10/02/1991CN2085870U Fan for cooling transformer
10/01/1991US5052892 High efficiency mixer impeller
10/01/1991US5052888 DC motor driven centrifugal fan
10/01/1991CA1289914C Rotary pulp screen of the horizontal pressure type having pulp stock feed at different axial positions on the screen
09/1991
09/29/1991CA2159650A1 Toric pump
09/26/1991DE4102715A1 Centrifugal pump with double sided impeller
09/26/1991DE4009199A1 Dry running protection for magnetic coupling pump - has provision of two auxiliary wheels for lubrication and cooling
09/26/1991DE4009198A1 Dry running protection for split tube motor pump - has two auxiliary wheels for lubrication and cooling
09/25/1991EP0448443A1 Improved ventilation system
09/25/1991EP0448131A2 Breathing protection mask
09/25/1991EP0447709A2 Magnetically driven pump
09/25/1991CN2085436U Auxiliary impeller sealing device with fly iron weight
09/25/1991CN2085435U Fan type energy saving wind-driven air cleaner
09/25/1991CN1054833A Intensifying screen for neutron photography
09/25/1991CN1054832A Method for testing solid surface and boundary characteristics
09/24/1991US5051071 Heat dissipating coupling for rotary shafts
09/24/1991US5051060 Gas friction pump having an outlet-side helical stage
09/24/1991US5051007 Lubrication of a centrifugal pump bearing
09/24/1991CA1289477C Containment assembly
09/21/1991WO1991014853A1 Control system for regulating the axial loading of a rotor of a fluid machine
09/21/1991CA2081327A1 Control system for regulating the axial loading of a rotor of a fluid machine
09/19/1991WO1991014140A1 Heating or cooling apparatus
09/19/1991WO1991014119A1 A stationary seal ring assembly for use in dry gas face seal assemblies
09/19/1991WO1991003648A3 Impeller, in particular for hairdressing appliances
09/19/1991DE4108257A1 Magnet coupling pump - incorporates radial and axially supported shaft carrying flywheel with at least one passage from suction chamber to pressure chamber
09/19/1991DE4107942A1 Sound damper for side channel blower - is for suction and pressure type blower and pivotable through 180 deg. for fixing in required position
09/19/1991DE4008216A1 Mfg. radial blade ring impellers, etc. - forms comb-shaped blank from flat metal and bends tines to form blades
09/18/1991EP0447272A1 A stationary seal ring assembly for use in dry gas face seal assemblies
09/18/1991EP0447106A2 Improved nuclear reactor coolant pump with internal self-cooling arrangement
09/18/1991EP0446900A1 Mixed-flow compressor
09/18/1991EP0446369A1 Turbo blower for laser and laser oscillator using the same
09/18/1991EP0446316A1 Miniature fan.
09/18/1991EP0358731B1 Axial fan
09/18/1991CN1054653A 离心泵 Centrifugal
09/18/1991CN1054652A Discrete shroud structure
09/18/1991CN1054651A Low-noise centrifugal fan
09/18/1991CN1054650A Centrifugal pump lubricant strainer system
09/18/1991CN1013986B Elastomeric pump casing seal
09/17/1991US5049770 Electric motor-driven impeller-type air pump
09/17/1991US5049134 Sealless heart pump
09/17/1991US5049031 Quick removal appartaus and method for lantern rings and packing in pump assemblies
09/12/1991DE4007090A1 Sealable bearing for pump for aggressive or dirty liq. - is made from individual parts moulded together, with single segments in cage
09/11/1991EP0446119A1 Manufacturing method of a fan rotor for rotating electric machines, particularly for alternators for cars, and fan rotor obtained by such a method
09/11/1991EP0445804A1 Fan apparatus
09/11/1991EP0445691A1 Vacuum pump with magnetic suspension
09/11/1991EP0445690A1 Vacuum pump for a clean vacuum
09/11/1991CN2084529U Friction pair of water pump impeller
09/10/1991US5046922 Polymeric casing for fluid machines and pumps
09/10/1991US5046480 Compression furnace
09/05/1991WO1991013258A1 Self-priming pumping method and device
09/05/1991WO1991011350A3 Impeller pump of cleaning liquid for motor vehicles
09/04/1991EP0445092A1 Pump impeller with mixer
09/04/1991EP0445047A1 Portable assembly comprising a combustion engine and a machine, e.g. generating set
09/04/1991EP0445046A1 Rotary screw pump, motor-pump, reservoir and machine equipped with such a pump
09/04/1991EP0444551A2 Housing for a ventilator in a vehicle heating or air conditioning system
09/04/1991CN2084171U Blade assembly for range hood fan
09/04/1991CN1054299A Silencer for centrifugal compressor
09/04/1991CN1054298A Spiral case in metal sheeting design
09/04/1991CN1054291A Method of precompressing silencer for centrifugal compressor