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| Number | Title | Issue Date |
| 8172501 | Counter-rotating axial-flow fax A support frame portion is divided into a first support-frame half-portion and a second support-frame half-portion along a virtual reference dividing plane. A raised portion is integrally formed with each of side walls in a pair of the first web half-portion, projec... | 05/08/2012 |
| 8133006 | Axial flow fan unit A frame for a serially connected axial flow fan unit includes a first housing and a second housing coupled together. The first housing includes a first axial locking mechanism and a first unlocking mechanism, and the second housing includes a second axial locking me... | 03/13/2012 |
| 8123461 | Axial flow fan unit A fan frame includes a first housing having a first end portion in which a first protrusion is arranged, a second housing having a second end portion in which a second protrusion opposing the first protrusion along a specified axis is arranged, the second end portio... | 02/28/2012 |
| 8123460 | UAV pod cooling using integrated duct wall heat transfer Electronic equipment frequently requires cooling to maintain the integrity and reliability of the equipment, and to elongate the life expectancy of the equipment. When in operation, the fan of a UAV creates airflow comprising outside air directed across the duct of ... | 02/28/2012 |
| 8075250 | Fastening device for fans A fastening device is used for connecting a first and a second fan together. The two fans each have an upper flange and a lower flange and a cylindrical body interconnecting the upper flange and the lower flange. The fastening device includes a plate-shaped pad and ... | 12/13/2011 |
| 8061968 | Counter-rotating compressor case and assembly method for tip turbine engine A tip turbine engine (10) provides an axial compressor (22) having a compressor case (50) from which extend radially inwardly a plurality of outer compressor airfoils (54). The compressor case (50) is directly driven by the rotatio... | 11/22/2011 |
| 7758302 | Device for the offtake of mechanical power between the HP and LP shafts of a double-shaft turbine engine A device for driving auxiliary machines of a double-shaft turbine engine with an LP shaft and an HP shaft is disclosed. The machines are installed in an accessory gearbox which includes a common drive shaft. The device includes a differential gear with a first input... | 07/20/2010 |
| 7654792 | Blower Blower made up of at least two axially stacked, interlocking fans. Each fan is enclosed in a housing the axially opposite ends of which are flanged. Opposing flats on immediately neighboring flanges are formed with complementary twist-locking features. The twist-loc... | 02/02/2010 |
| 7566199 | Turbo pneumatic cylinder of pneumatic tool A turbo pneumatic cylinder of a pneumatic tool, including a front turbine, a one-way rotatable inverse turbine and a rear turbine. The front and rear turbines are mounted on the rotary shaft of the pneumatic cylinder. The inverse turbine is one-way rotatably fitted ... | 07/28/2009 |
| 7412819 | Turbojet architecture with two fans at the front A turbojet has a low-pressure compressor and two fans at the front of an intermediate casing which fans are driven by two independent shafts. The compressor is disposed under the rear fan and has a downstream ring of rotor blades connecting the rear fan to the drive... | 08/19/2008 |
| 7384239 | Drive device for a windmill provided with two counter-rotative propellers The drive device is provided for inclusion in a windmill with two counter-rotating screws. The shafts of the screws are each connected to a spindle of an epicyclical gearbox, the third spindle providing the energy for the user. The device further comprises a brake d... | 06/10/2008 |
| 7363761 | Exhaust gas throttle for divided turbine housing turbocharger A turbocharger (107) for an internal combustion engine (100) includes a turbine having a divided turbine housing (109). A first inlet port (113) may be connected to a first volute that is formed in the turbine housing (109), and a ... | 04/29/2008 |
| 7292436 | Heat dissipating structure applicable to a computer host A heat dissipating structure for a computer host is disclosed. The heat dissipating structure is fixable to a housing of the computer host and is provided for a heat dissipating fan for dissipating heat. The heat dissipating structure includes a fan fixing housing i... | 11/06/2007 |
| 7269938 | Counter-rotating gas turbine engine and method of assembling same A method for assembling a gas turbine engine includes providing a high pressure turbine, providing a low-pressure turbine inner rotor that includes a first plurality of turbine blade rows configured to rotate in a first direction, providing a low-pressure turbine ou... | 09/18/2007 |
| 7247001 | Impeller An impeller (1) according to the present invention has a disk-like main plate (10), a blade (20) joined to the main plate, and a side plate (30) having a suction port. A boss hole (12) is formed in a central portion of the main pla... | 07/24/2007 |
| 7238006 | Multiple impeller fan for a shrouded floor drying fan A method and apparatus for drying floors and carpets using a double impeller fan for generating a pressurized air stream within a vertical cylindrical fan shroud that is spaced two to five inches away from the floor on a set of legs such that an opening is formed be... | 07/03/2007 |
| 7234914 | Apparatus and method for enhancing lift produced by an airfoil A compressor or pump employs principles of unsteady delayed stall to enhance the head increase produced by the compressor or pump. Plural airfoil-shaped lifting elements are spaced from each other in a cascade and the fluid is directed into the cascade by a device t... | 06/26/2007 |
| 7195446 | Counter-rotating turbine engine and method of assembling same A method for assembling a gas turbine engine that includes providing a low-pressure turbine inner rotor configured to rotate in a first direction, providing a low-pressure turbine outer rotor configured to rotate in a second direction that is opposite the first rota... | 03/27/2007 |
| 7185484 | Methods and apparatus for assembling a gas turbine engine Methods and apparatus for assembling a gas turbine engine are provided. The method includes coupling a first turbine shaft that includes m rows of turbine blades within the gas turbine such that the first turbine shaft is rotatable in a first direction, and coupling... | 03/06/2007 |
| 7180740 | Method and apparatus for side-type heat dissipation The present invention is a method and an apparatus for side-type heat dissipation. According to the present invention, a heat dissipation unit is deposed on a CPU to absorb the heat it generates; a cover is covered on the unit, where two openings are at two opposite... | 02/20/2007 |
| 7168913 | Twin-spool turbojet with means for driving ancillary machines A turbojet includes a differential gear with a first planetary pinion driven by the shaft of the high pressure spool and a second planetary pinion driven by the shaft of the low pressure spool. The planetary pinions drive satellite pinions mounted in a cage by which... | 01/30/2007 |
| 7168912 | Series type fan device A series type fan device comprises at least a first fan and at least a second fan coupled to each other. The first fan has a joining side with a receiving part at a fan frame thereof and the second fan has a joining side with a projective fixing part corresponding t... | 01/30/2007 |
| 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 |
| 7128539 | Method for improved cleaning of a pumping system Improved method for cleaning a pump, fluid hose, and spray gun is provided by, for example, repeatedly changing the flow rate of the cleaning fluid pumped through the system to generate turbulence or increased turbulence and increased frictional resistance for enhan... | 10/31/2006 |
| 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 |
| 7074018 | Direct drive linear flow blood pump A ventricular assistive device (VAD) based on a progressive cavity pump includes a pump housing having an inlet and an outlet, a pump stator contained within the pump housing, a pump rotor rotatably disposed within the pump stator, a motor including a motor rotor co... | 07/11/2006 |
| 7074011 | Wind power installation with two rotors in tandem A wind power installation comprising at least two rotors which are arranged one behind the other and of which the first rotor which is arranged in front of the second rotor is of a smaller diameter than the second rotor. ... | 07/11/2006 |
| 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 |
| 7021888 | Ultra-high speed vacuum pump system with first stage turbofan and second stage turbomolecular pump An ultra-high speed vacuum pump evacuation system includes a first stage ultra-high speed turbofan and a second stage conventional turbomolecular pump. The turbofan is either connected in series to a chamber to be evacuated, or is optionally disposed entirely within... | 04/04/2006 |
| 6932561 | Power generation system A wind power system is provided including at least one generator fan having a front face and a rear face. The system also includes a first wind capturing device positioned proximate to the front face. The wind capturing device can be configured to capture wind to cr... | 08/23/2005 |
| 6914410 | Electric differential traction-control drive system In an electrical drive system, an electric differential comprises a first rotor for driving a first drive wheel, a second rotor for driving a second drive wheel, the first and second rotors capable of independent relative rotation, and a common stator for driving th... | 07/05/2005 |
| 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 |
| 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 |
| 6711887 | Aircraft gas turbine engine with tandem non-interdigitated counter rotating low pressure turbines A low pressure turbine section for an aircraft gas turbine engine includes a low pressure turbine flowpath and counter rotatable low pressure inner and outer shaft rotors having inner and outer shafts, respectively. The low pressure inner and outer shaft rotors incl... | 03/30/2004 |
| 6647707 | Nested core gas turbine engine A gas turbine engine comprising a combustion chamber section, a turbine section, and a compressor section. The turbine section surrounds the combustion chamber and the compressor section surrounds the turbine section.... | 11/18/2003 |
| 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 |
| 6247892 | Continuous flow rotary pump A continuous flow axial-flow pump for impelling a fluid under a continuous pattern without kinetic side effects to minimize and eliminate damage to fluid, the pump comprising two axial adjacent rotors rotating in opposite directions.... | 06/19/2001 |
| 6224324 | Axial-flow turbine An axial turbine or axial compressor with bladed rotors (6, 7) rotating in opposite directions about a common axis, in particular for the expansion of steam and hot gases or for compressing gases, with mutually adjacent bladed rotors (6, 7) being mutually... | 05/01/2001 |
| 6082967 | Constant-speed twin spool turboprop unit A constant-speed twin spool turboprop unit including a twin spool gas generator having a low-pressure spool and a high-pressure spool each including a compressor and a turbine which drives the compressor, is described in which at least one propeller of th... | 07/04/2000 |
| 6012897 | Free rotor stabilization In a turbo compressor, such as a centrifugal compressor, having swirl inducing structure, such as inlet guide vanes, one or more free rotors are located intermediate the swirl inducing structure and the inlet of the compressor. The free rotors are driven ... | 01/11/2000 |
