Patents for F04D 19 - Axial-flow pumps specially adapted for elastic fluids (3,780)
05/2006
05/03/2006CN2777249Y Multi-stage double-speed couple-rotating axial-flow type partial ventilating fan
05/03/2006CN1768237A Outdoor unit for air conditioner
04/2006
04/27/2006WO2006042635A1 Assembly used for cooling a circuit board or similar
04/26/2006EP1650441A2 Low vibration vacuum pump
04/25/2006US7033142 Vacuum pump system for light gases
04/20/2006WO2006041113A1 Damper and vacuum pump
04/20/2006WO2006040287A1 Rapidly rotating vacuum pump
04/20/2006DE102004050743A1 Vacuum pump with housing and gas input and gas output
04/19/2006EP1646736A2 Coating
04/19/2006CN2773364Y High-temperature resistant axial-flow fan
04/18/2006US7031157 Heat-dissipating module
04/18/2006CA2333809C Convex compressor casing
04/13/2006WO2006037730A1 Drag vacuum pump
04/13/2006DE102004048866A1 Schnelldrehende Vakuumpumpe Fast-moving vacuum pump
04/06/2006WO2006036511A2 Fan
04/06/2006DE102004047930A1 Reibungsvakuumpumpe Friction vacuum pump
04/06/2006DE102004044775A1 Vibration damper for gas-tight connection of vacuum pump with vacuum device, has damper device with elastic damping ring between sealing ring of vacuum device and sealing ring of vacuum pump, where sealing sleeve is sealed to both rings
04/05/2006EP1425517B1 Device and method used to automatically compensate for synchronous disturbances
04/04/2006US7021903 Fore-line preconditioning for vacuum pumps
04/04/2006US7021888 Ultra-high speed vacuum pump system with first stage turbofan and second stage turbomolecular pump
03/2006
03/30/2006US20060067820 Fan
03/30/2006CA2520504A1 High performance cooling fan
03/29/2006EP1234115B1 Radial flow turbomolecular vacuum pump
03/29/2006CN2767723Y Axial flow fan having hyperboloidal sweepforward blade with knifes on surface
03/28/2006US7018175 Airflow guiding structure for a heat dissipation fan
03/23/2006DE202005019433U1 Ceiling fan, has blades consisting of respective oblong bases, where each blade is twisted such that both short edges of blade lie one above other, and are fixed in rotor, and length of bases lies between specified centimeters
03/22/2006EP1637697A2 Fluid machine flow path with axial gap concentration smaller than 1
03/22/2006EP1636496A1 Rotary impeller for a turbomolecular pump
03/21/2006US7015609 Machine with a high-speed rotor
03/16/2006WO2006027961A1 Fixed vane of turbo molecular pump
03/16/2006US20060056966 Fan base case
03/16/2006DE102004034813A1 Geräuschoptimierter Mantellüfter Noise-optimized casing fan
03/14/2006US7011490 Compressor in a multi-stage axial form of construction
03/09/2006DE202005017008U1 Ventilation unit comprises a complete transportable and installatable housing with an air inlet and an air outlet accommodating a fan
03/08/2006EP1632672A2 Fan for an aircraft engine
03/08/2006CN1743680A Dual-drive molecular pump
03/07/2006US7008176 Molecular speed and direction selection
03/02/2006US20060045738 Fan
03/02/2006US20060045737 Fan holder
03/02/2006US20060045736 Heat-dissipating fan and its housing
03/01/2006EP1629236A2 Air conditioner
03/01/2006EP1629205A1 Fan
03/01/2006CN1742195A Leak detector comprising an inlet
02/2006
02/23/2006US20060039784 Heat dissipation fans and housings therefor
02/23/2006DE102004038677A1 Vakuumpumpe Vacuum pump
02/16/2006US20060034702 Leak detector comprising an inlet
02/16/2006CA2515748A1 Axial fan assembly
02/15/2006EP1626179A2 Vacuum pump
02/15/2006CN2758537Y Direct coupled two-stage axial-flow fan with one motor
02/15/2006CN1734071A Shroud and blower using the same
02/14/2006US6999840 Vacuum pump
02/02/2006DE102004033977A1 Cooling fan has air guiding elements connected to air guide ring which has first and second opening, with first opening larger than second so that air is concentrated on center of frame behind hub seat
01/2006
01/31/2006US6991439 Vacuum pump
01/31/2006US6991424 Gas friction pump
01/26/2006US20060017340 Magnetic bearing control device
01/25/2006EP1619395A1 Rotary vacuum pump, structure and method for the balancing thereof
01/25/2006EP1618308A1 Vacuum pump
01/25/2006EP1618299A2 Heteroscopic turbine
01/19/2006DE19702456B4 Vakuumpumpe Vacuum pump
01/12/2006DE202005013923U1 Installation for feed of fluids has rotor of motor connected to second permanent magnet which interacts with first permanent magnet connected to pump wheel in fashion of magnetic clutch
01/05/2006WO2006000745A1 Vaccum pump
01/05/2006CA2780091A1 Vacuum pump
01/05/2006CA2565325A1 Vacuum pump
12/2005
12/29/2005WO2005124158A1 Radiation resisting molecular pump
12/28/2005EP1610068A1 Outdoor unit for air conditioner
12/28/2005EP1609990A1 Vacuum device and vacuum pump
12/22/2005WO2005121561A1 Vacuum pump impeller
12/22/2005DE102004026367A1 Gas turbine e.g. for aircraft engine has oppositely-rotating compressor stages formed from two axially-shifted, tandem-connected annular rotor blades
12/15/2005WO2005119060A1 Vacuum exhaust device
12/15/2005DE102004026428A1 Exhauster for use in road tunnel, has ventilator stimulated by suction pipe in exhaust pipe and including conveying blades, where cross section at downstream of ventilator changes its shape from circular surface area into oval surface area
12/08/2005WO2005116452A1 Gas supply system for a pumping arrangement
12/08/2005WO2005116448A1 Vacuum pump
12/08/2005US20050271528 Lubricating systems for regenerative vacuum pumps
12/01/2005WO2005113986A1 Pumping arrangement
12/01/2005DE102004023961A1 Verfahren zur Herstellung einer Turbomolekularpumpen-Statorstufe A process for the preparation of a turbo-molecular pump stator
11/2005
11/30/2005EP1600639A2 Process for manufacturing a stator stage of a turbomolecular pump
11/24/2005DE10022788B4 Heißgasventilator zum Einbau in einen Kammerofen Hot gas fan for installation in a chamber furnace
11/23/2005EP1597556A1 Test-gas leak detector
11/23/2005CN1699757A Fan for condenser for refrigerator
11/22/2005US6966967 Variable speed pump control
11/17/2005WO2004109190A3 Air conditioner
11/16/2005EP1596068A2 Vacuum pump
11/10/2005US20050249618 Vacuum pump
11/10/2005US20050249598 Ceiling fan with multiple motors
11/03/2005US20050244219 Device for fixing a vacuum pump
10/2005
10/20/2005DE202005011679U1 Vibration damper for gas-tight connection of vacuum pump with vacuum device, has damper device with elastic damping ring between sealing ring of vacuum device and sealing ring of vacuum pump, where sealing sleeve is sealed to both rings
10/19/2005EP1585951A1 Leak detector comprising an inlet
10/19/2005EP1230487B1 High-speed turbopump
10/19/2005EP1068456B1 Dual inlet vacuum pumps
10/12/2005EP1108145B1 Self-propelled vacuum pump
10/11/2005US6953317 Turbo-molecular pump
10/06/2005WO2005093260A1 Vacuum pump
10/06/2005US20050220608 Axial flow fan
10/06/2005US20050220607 Evacuating device
10/06/2005US20050220606 Method for producing the rotor of a drag vacuum pump and a rotor produced according to this method
10/06/2005US20050217732 Apparatus for controlling the pressure in a process chamber and method of operating same
10/06/2005DE19612923B4 Lüfter Fan
10/06/2005DE102004012713A1 Turbomolekularpumpe Turbomolecular pump
10/06/2005CA2559610A1 Columnar air moving devices, systems and methods
10/05/2005EP1581742A2 Molecular speed and direction selection
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