Patents for F04D 29 - Details, component parts, or accessories (70,655)
01/1993
01/12/1993US5178520 Double centrifugal pump with single casing and adapter insert
01/12/1993US5178516 Centrifugal compressor
01/10/1993CA2046537A1 Leakage control device
01/09/1993CA2359448A1 Tri-pod portable fan
01/09/1993CA2071729A1 Tri-pod portable fan
01/07/1993WO1993000260A1 Arrangement of a submersible pump
01/07/1993EP0521614A2 Multiple rotor disk assembly
01/07/1993EP0521313A1 Double suction radial flow blower
01/07/1993EP0521285A1 Axial fan, in particular for cooling an airconditioning condensor located in front of a cooler of a vehicle
01/07/1993EP0521007A1 Control system for regulating the axial loading of a rotor of a fluid machine
01/05/1993US5176497 Boreless hub compressor wheel assembly for a turbocharger
01/05/1993CA1312318C Helicoidal fan with air stream tube casing
12/1992
12/30/1992EP0520900A1 Method for manufacturing a bladed rotor with closed channels
12/30/1992EP0520333A1 Pump unit
12/30/1992EP0520303A2 Sliding-contact bearing with an elastic mantle for a centrifugal-pump motor
12/30/1992EP0520258A1 System for keying rotor blades
12/30/1992EP0461131B1 Device for relieving axial thrusts
12/30/1992EP0217847B1 Pump or compressor unit
12/30/1992CN2126336U Anti-blocked bottom valve
12/30/1992CN2126335U Shaft-stalling sealing device for pump
12/30/1992CN1019675B Vacuum pump
12/29/1992US5174726 Liquid pump
12/29/1992US5174713 Circumferential flow type fuel pump
12/29/1992US5174250 Internal combustion engine
12/25/1992CA2068111A1 Compressor stator
12/24/1992DE4119907A1 Portable motor and pump unit - has cables and hoses stowed on reels or rollers and is fitted with push handle and lockable supports
12/23/1992WO1992022459A1 Propulsive thrust ring system
12/23/1992EP0519176A1 Motor driven complex pump apparatus
12/23/1992CN2125749U Automatic barring gear
12/23/1992CN2125748U Fan for automobile radiator
12/23/1992CN2125747U Vertical long-axle no-blockage pump
12/23/1992CN1067296A Mixed flow blower and its inspection equipment of impeller
12/23/1992CN1019597B Differential pressure piston type balance unit of axial forces for multistage pump
12/23/1992CN1019596B Rotary blades for axial-flow machines
12/23/1992CN1019595B Centrifugal pump with lubricant strainer system
12/23/1992CN1019594B Lining cast process for large dredge pump
12/22/1992US5173037 Automotive fuel pump
12/22/1992US5173021 Compressors
12/22/1992US5173020 Collector silencer for a centrifugal compressor
12/22/1992US5173019 Pump including secondary containment with alarm system
12/22/1992US5172716 Recirculation valve
12/22/1992CA2071664A1 Compressor supercharger with evaporative cooler
12/17/1992DE4119657A1 Electromagnetically adjustable radial compressor for exhaust turbo-supercharger - has blades fitted to spring-biased inner coaxial shaft subject to progressive attraction by external electromagnet
12/17/1992DE4119131A1 Casing for rotary pump - has leakage channel set into swirl vane to drain off fluid
12/16/1992EP0518593A1 Forced-circulation reactor with enhanced flow in natural circulation operation
12/16/1992EP0518050A1 Liquid pump apparatus
12/16/1992EP0518027A1 Centrifugal compressor
12/16/1992EP0517701A1 Heat recovering ventilator.
12/16/1992EP0513222A4 Centrifugal pump lubricant strainer system
12/16/1992CN2125039U Ventilator shell for dusting machine
12/16/1992CN2125038U Centrifugal rear pump axial adjustable thrust device
12/16/1992CN1067099A Industrial pump against water hammer impact
12/16/1992CN1019523B Low-noise centrifugal fan
12/15/1992US5171128 Fan wheel for a fan or blower assembly
12/15/1992US5171126 Centrifugal pump with an annular shroud
12/15/1992US5171024 Reactor coolant pump shaft seal utilizing shape memory metal
12/15/1992CA1311455C Axial sealing mechanism for a scroll compressor
12/10/1992WO1992021538A1 Impulsing pump for dispensing cleaning liquid for motor vehicles
12/10/1992DE4217069A1 Fixture for installing ventilation blower in small building - uses rubber seal to fit around blower housing with opening to match outlet of blower and support section
12/10/1992DE4118998A1 Stiffening rib for fan wheel or water tank - has sharp cut=off edge inclined in direction of flow to form rib boundary
12/10/1992DE4118788A1 Electric pump for handling toxic substances - has sealed case between pump unit and motor to prevent leakage to atmosphere and flange case and split tube electromagnetic coupling
12/09/1992EP0517280A2 Shaft passage
12/09/1992EP0517278A1 Pot-shaped centrifugal pump
12/09/1992EP0517277A1 Liquid ring gas pump with overhanging impeller
12/09/1992EP0516926A1 Packaging of a pump
12/09/1992EP0482063A4 Radial drive for implantable centrifugal cardiac assist pump
12/09/1992CN2124338U Guide uniform flow distributor
12/09/1992CN2124337U 可调式泵底座 Adjustable pump base
12/09/1992CN2124330U 电磁泵 Electromagnetic pump
12/09/1992CN1066911A Integral injeciton tube type seal box
12/08/1992US5169297 Ceramic turbo charger rotor
12/08/1992US5169288 Low noise fan assembly
12/08/1992US5168774 Rotational body
12/02/1992EP0516073A1 Apparatus for transporting a gaseous medium
12/02/1992EP0515839A1 Rotor for a mixed flow fan
12/02/1992EP0515759A1 Filter for purification of air
12/02/1992EP0515466A1 Blade wheel for a centrifugal pump.
12/02/1992CN1019326B Water pump cavitation control method by air supply
12/01/1992US5167678 Apparatus for separating gas with a pump from a medium being pumped
12/01/1992US5167491 High to low side bypass to prevent reverse rotation
12/01/1992US5167489 Forward swept rotor blade
11/1992
11/26/1992WO1992020926A1 Pump
11/25/1992EP0515006A1 Coupling device for a shank on the periphery of a rotating body
11/25/1992EP0514677A2 Prewhirl adjuster for centrifugal pumps
11/25/1992CN2122957U Low-noise fan
11/24/1992US5166566 Magnetic bearings for a high speed rotary vacuum pump
11/24/1992US5165872 Gas friction pump having a bell-shaped rotor
11/24/1992US5165859 Leading edge protection for fan blade
11/24/1992US5165858 Molten metal pump
11/24/1992US5165857 Centrifugal fan
11/24/1992US5165855 Transverse blower fan and method of assembly
11/24/1992US5165850 Compressor discharge flowpath
11/24/1992US5165849 Centrifugal compressor
11/24/1992US5165305 Hermetically sealed flywheel and method of making the same
11/24/1992US5165248 Oil reclaim in a centrifugal chiller system
11/19/1992EP0514272A1 Quiet centrifugal motorpump
11/19/1992EP0513958A2 Composite fan stator assembly
11/19/1992EP0513222A1 Centrifugal pump lubricant strainer system
11/19/1992DE4115919A1 Fan or ventilator air admission housing - has sharp-edged flow deflector opposite fan intake
11/18/1992CN1066319A Impeller annular seal