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| Number | Title | Issue Date |
| 8087877 | Fan array fan section in air-handling systems A fan array fan section in an air handling system includes a plurality of fan units arranged in a fan array and positioned within an air handling compartment. One preferred embodiment may include an array controller program to operate the plurality of the fan units ... | 01/03/2012 |
| 8075249 | System and a method for dynamically balancing a blade The present invention relates to a rotorcraft blade (1) provided with a dynamic balancing system having a balancing device (10). The balancing device (10) is embedded in the inside (INT) of the body of the blade (1) in such a manner that ... | 12/13/2011 |
| 7922442 | Fan array fan section in air-handling systems A fan array fan section in an air-handling system includes a plurality of fan units arranged in a fan array and positioned within an air-handling compartment. One preferred embodiment may include an array controller programmed to operate the plurality of fan units a... | 04/12/2011 |
| 7914252 | Fan array fan section in air-handling systems A fan array fan section in an air-handling system includes a plurality of fan units arranged in a fan array and positioned within an air-handling compartment. One preferred embodiment may include an array controller programed to operate the plurality of fan units at... | 03/29/2011 |
| 7909568 | Counter-rotating axial-flow fan A first motor rotates, in one of two rotating directions, the first impeller including a plurality of front blades in a suction opening portion of a housing. The second motor rotates, in the other rotating direction opposite to the one rotating direction, the second... | 03/22/2011 |
| 7828510 | Fan This is related to a fan including a casing, a first impeller structure, a second impeller structure, and at least one driving device. The casing has an outlet and an air-containing portion having an entrance and an exit provided inside the casing. The first impelle... | 11/09/2010 |
| 7445423 | Counter-rotating axial-flow fan A first motor 25 rotates, in one of two rotating directions, the first impeller 7 including a plurality of front blades 28 in a suction opening portion 15 of a housing 59. The second motor 49 rotates, in the other rotating d... | 11/04/2008 |
| 7422416 | Device for effecting heat transfer to rotating equipment, in particular gas turbines A device for effecting heat transfer to rotating equipment, in particular gas turbines, is provided. A gas turbine (10) comprises a first rotating unit (11), i.e. an internal shaft and a second fixed unit (16), i.e. a housing. A third rotating u... | 09/09/2008 |
| 7329089 | Centrifugal fan A centrifugal fan includes a scroll casing consisting of first and second flat base walls, a circumferential side wall. An air inlet is formed on the first base wall, an exhaust port is formed on the side wall. A backflow prevention mechanism is arranged in the airf... | 02/12/2008 |
| 7198094 | Finned device for removing heat from an electronic component A device for removing heat from an electronic component, comprising a heat sink that can be coupled to the electronic component and conduct heat therefrom. A finned appurtenance coupled to the heat sink can transfer the heat into a fluid medium. The fins are oriente... | 04/03/2007 |
| 7179046 | Fan array fan section in air-handling systems A fan array fan section in an air-handling system includes a plurality of fan units arranged in a fan array and positioned within an air-handling compartment. One preferred embodiment may include an array controller programmed to operate the plurality of fan units a... | 02/20/2007 |
| 7175399 | Serial ventilation device An apparatus for a serial ventilation device that increases airflow compared to conventional devices without increasing the size is presented. The first ventilator is mounted on the intake opening side of the serial ventilation device, with the front surface of its ... | 02/13/2007 |
| 7156611 | Counterrotating axial blower An axial-flow fan with double impellers is provided that can produce a larger amount of air and a higher static pressure than can be achieved with conventional fans. The axial-flow fan with double impellers has a first axial-flow fan unit and a second axial-flow fan... | 01/02/2007 |
| 7140833 | Integrated turbo/drag/regenerative pump with counter-rotating turbo blades The present invention relates to vacuum pumps and a method for creating and maintaining a high vacuum. A vacuum pump includes a regenerative section and a turbo-molecular section. A common first rotor carries forward-rotating elements of both the regenerative sectio... | 11/28/2006 |
| 7137775 | Fan array fan section in air-handling systems A fan array fan section in an air-handling system includes a plurality of fan units arranged in a fan array and positioned within an air-handling compartment. One preferred embodiment may include an array controller programmed to operate the plurality of fan units a... | 11/21/2006 |
| 7120019 | Coaxial air ducts and fans for cooling and electronic component A structure for cooling an electronic component includes a heat sink attached to the component, an inner air duct extending into a central portion of the heat sink, and an outer air duct extending into an outer portion of the heat sink. In inner fan, within the inne... | 10/10/2006 |
| 7031157 | Heat-dissipating module A heat-dissipating module includes a first fan unit and a second fan unit, which are serially connected together to provide an air inlet and an air outlet. Each of the first fan unit and the second fan unit includes a casing and an impeller. At least one side air in... | 04/18/2006 |
| 6945747 | Dual rotor wind turbine A dual rotor wind turbine according to the present invention includes a rotatable drive shaft, a first rotor assembly connected to the drive shaft, a second independently-rotating rotor assembly coupled to the drive shaft rearward of the first rotor assembly, a firs... | 09/20/2005 |
| 6939103 | Wind power installation with multiple blade adjusting devices The present invention concerns a wind power installation having a rotor with at least one blade and an adjusting device for the rotor blade. An adjusting device with more than one drive for one rotor blade is provided. By virtue of that arrangement each drive only h... | 09/06/2005 |
| 6929444 | Rotary engine device and power generating system A rotary expansible chamber device includes a sealable shell member with a hollow interior and a cylindrical stator member, with stepped interior surface, rigidly secured interior the shell member. A cylindrical rotor member is positioned concentrically interior the... | 08/16/2005 |
| 6920045 | Heat-dissipating assembly A heat-dissipating assembly utilizes a heat conductor having a high thermal conductivity to stagedly and effectively dissipate the heat to the surrounding environment. The heat-dissipating assembly includes a plurality of heat portions, at least one fan being dispos... | 07/19/2005 |
| 6827549 | Heat-dissipating module A heat-dissipating module including a first fan unit, a second fan unit, and a connecting arrangement for connecting the first fan unit and the second fan unit in a serial manner. The first fan unit is located on an air inlet side and includes a casing and a fan whe... | 12/07/2004 |
| 6817830 | Ceiling fan with multiple rotors A ceiling fan with multiple rotors, comprising a shaft unit, a rotation seat, a power transmission unit, and a fan mechanism. In operation, each of the two movable fans is both rotated on its own axis and rotated about the shaft unit, while the motor set of the fan ... | 11/16/2004 |
| 6817831 | Engine-cooling fan assembly with overlapping fans An automotive engine-cooling fan assembly uses pairs of overlapping fans to improve flow uniformity through the heat exchanger cores and to maximize the amount of fan power that can be achieved with limited motor sizes. One fan of each pair has upstream supports and... | 11/16/2004 |
| 6799942 | Composite fan A composite fan consists of a first fan and a second fan located on the air outlet side of the first fan. The first fan has a plurality of first rotary vanes and a plurality of first guide vanes located on the air outlet side of the first rotary vanes. The second fa... | 10/05/2004 |
| 6537019 | Fan assembly and method A fan assembly includes a first fan and a second fan. The first fan has a first housing and a first blade assembly. The first blade assembly includes a plurality of blades attached to a hub, and is configured to rotate about a first axis of rotation in a ... | 03/25/2003 |
| 6422816 | Variable pitch propeller control system Maintenance requirements on a variable pitch propeller control system are minimized by eliminating the need for mechanical elements, such as a flyweight, mechanism in a secondary control for the variable pitch propeller. The system includes a secondary co... | 07/23/2002 |
| 6179553 | Multiple stage centrifugal pump Multiple stage centrifugal pumps have a plurality of rotors arranged on a drive shaft are shown. At least one rotor is formed as a hollow shaft which is rotatably journalled on the drive shaft and which rotates with a speed of rotation n2 which... | 01/30/2001 |
| 5759016 | Device for continuously cooling apparatuses The proposal is for a device for continuously cooling apparatuses with at least one circulation mechanism to circulate a coolant, wherein the circulation mechanism has at least one drive mechanism and at least one distribution means driven by the at least... | 06/02/1998 |
| 5704768 | Motor pump family of centrifugal pumps A motor pump group has a plurality of centrifugal pumps of the same nominal port diameter including a plurality of impellers having stepwise greater outside diameters for stepwise higher pump heads, and a plurality of respective motors for actuating the p... | 01/06/1998 |
| 5676528 | Motor pump family with single stage and multiple stage impellers A motor pump group has a plurality of centrifugal pumps of the same nominal port diameter including a plurality of impellers having stepwise greater outside diameters for stepwise higher pump heads, and a plurality of respective motors for actuating the p... | 10/14/1997 |
| 4770002 | Transport refrigeration system A transport refrigeration system including a compressor, a prime mover for the compressor, a condenser, and an evaporator blower assembly. The evaporator blower assembly includes a shaft driven by the prime mover, a first blower fixed to the driven shaft,... | 09/13/1988 |
| 4636083 | Arrangement in containers intended to hold pumpable substances and provided with a pump herefor The invention relates to an arrangement in containers (1) intended to hold materials of a pumpable consistency. The arrangement comprises a reversible motor (9) which is drivably connected to a rotatable agitator (12) located in the container (1). The arr... | 01/13/1987 |
| 4424452 | Fluid-driven power generator Electric power generator for mounting on a vehicle or the like, consisting of a tubular shroud within which is coaxially mounted a spool, the space between the spool and shroud being a venturi and containing a plurality of spaced pairs of blade rings.... | 01/03/1984 |
| 4406578 | Method for operating pumps A method for operating pumps in a pumping-up power plant having a single speed reversible pump turbine and a booster pump, the booster pump being provided in a branch pipe which is provided in parallel with a portion of a draft tunnel between the pump tur... | 09/27/1983 |
| 4376614 | Propeller brake for a turbo-prop engine A propeller brake for a twin spool turbo-prop engine which permits the propeller to be locked in a stationary position with the engine running is disclosed. The propeller brake has a hydraulically actuated friction brake and hydraulically actuated locking... | 03/15/1983 |
| 4365930 | Electric fan An electric fan including a casing having an air supply opening at a front part and an air suction opening at a rear part and an air passage in the casing from the air suction opening to the air supply opening; fan blades placed in the air passage or near... | 12/28/1982 |
| 4347041 | Fuel supply apparatus An improved fuel supply apparatus includes a booster pump assembly which is disposed in a fuel tank of an aircraft and is operable to supply fuel to an engine. The rate at which fuel is supplied by the booster pump assembly varies with variations in the d... | 08/31/1982 |
| 4321005 | Modular windmill installation A windmill installation adapted to extract energy from natural wind currents is disclosed wherein a plurality of individual wind wheel modules are stacked vertically in a tower-like structure and are interconnected with one another to operate in a unitary... | 03/23/1982 |
| 4223770 | Shaft drive alternately for both directions of rotation A shaft drive alternately for both directions of rotation, comprises, a shaft rotatably supported on bearings having first and second turbines connectable thereto, each including a respective first and second turbine wheel freely rotatable on the shaft in... | 09/23/1980 |
