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| Number | Title | Issue Date |
| 7416386 | Heat dissipation apparatus A heat dissipation apparatus. A fan frame includes an air inlet, an air outlet, a passage, and a curved expansion portion. The air inlet is opposite the air outlet. The passage is between the air inlet and the air outlet, guiding airflow from the air inlet to the ai... | 08/26/2008 |
| 7351032 | Heat dissipating fan with an airflow guiding structure A heat dissipating fan includes a cover plate having an air inlet and a base, an impeller mounted to the base and having a plurality of blades, and an air guiding member having an air passageway and an air outlet. A portion of an axial height of the respective blade... | 04/01/2008 |
| 7261516 | Fan holder assembly A fan holder assembly includes a fan duct, a fan, and a holder that secures the fan to the fan duct. The holder is a frame and defines an air hole in the center thereof. Four through holes are defined in the edge of the holder for securing the holder to the fan duct... | 08/28/2007 |
| RE39774 | Fan guard structure for additional supercharging function A fan guard has a function of supercharging a fan in addition to supporting a rotor device is disclosed. The fan guard is to be mounted beside the rotor device for supporting the rotor device, and additionally, the fan guard interacts with an airflow generated by th... | 08/14/2007 |
| 7112043 | Compressor impeller thickness profile with localized thick spot An air foil includes a leading edge, a trailing edge, a hub contour, and a tip contour, whereby the hub contour and tip contour extend between the leading and trailing edges to define a blade surface therebetween. A localized thick spot is disposed between the leadi... | 09/26/2006 |
| 7077624 | Vehicle cooling fan shroud with an articulatable portion A vehicle cooling fan shroud includes a barrel portion which surrounds a cooling fan and is integrated with a substantially rectilinear shroud portion which surrounds a radiator. The barrel portion includes a first portion and a second portion pivotally attached to ... | 07/18/2006 |
| 7063504 | Cooling fan A cooling fan with high heat-dissipating performance includes a plurality of blades; and a frame for receiving the blades therein, wherein the frame has a reduced height for exposing the blades to outside of the frame so as to allow air to enter into the frame via a... | 06/20/2006 |
| 6976825 | Integrated aspirator and fan shroud A fan shroud having an integrated aspirator is provided comprising a first section and a second section. The first section and second section are designed to mateably engage one another so as to form an air passage between a fan and a cooling module of a vehicle. Th... | 12/20/2005 |
| 6939105 | Airflow guiding structure for a heat-dissipating fan A heat-dissipating fan includes a casing having an air outlet, a base mounted in the air outlet, and a plurality of guiding plates in the air outlet. An impeller is mounted on the base that is supported in the air outlet by the guiding plates. The guiding plates are... | 09/06/2005 |
| 6907854 | Fan shroud with internal aspirator A fan shroud is provided having upper and lower sections. The sections are designed to mateably engage one another at mating flanges so as to form an air passage between a fan and a cooling module of the vehicle. The upper section of shroud includes an aspirator por... | 06/21/2005 |
| 6863496 | Fan and shroud assembly A fan and shroud assembly includes a fan having a hub rotating around one shaft and a plurality of blades extending outwardly from the hub, a shroud encompassing the fan to adjust airflow by rotation of the fan, a guide ring portion located at a position where a pre... | 03/08/2005 |
| 6524067 | Airflow-guiding fan guard A fan guard for guiding airflow to dissipate heat generated from a heat-generating device has an airflow inlet disposed on an upper portion of the fan guard for introducing the airflow into an interior of the fan guard, an airflow outlet disposed on a low... | 02/25/2003 |
| 6406258 | Fan frame structure A fan frame for encircling an impeller of a fan that includes a base and a plurality of teeth. A hole is formed on the base to form an inner periphery. The plurality of teeth is substantially perpendicular to, and mounted around the inner periphery for en... | 06/18/2002 |
| 6386843 | Housing for fan units, and electrical apparatus using a fan unit A housing for a fan unit has a opening defined by an inner peripheral wall being formed with an expanded section for enlarging a part of the opening so that the speed of the air flowing from a predetermined direction and into the opening is higher than th... | 05/14/2002 |
| 6378322 | High-performance molded fan In one embodiment, the present invention provides a high performance molded, substantially non-metallic fan capable of producing at least about 20 cubic feet per minute ("CFM") per input watt at a static pressure of about 0.00 inches of water. In one embo... | 04/30/2002 |
| 6276895 | Fan with centrifugal shutter mechanism A fan has an associated centrifugal mechanism and a shutter, comprising a plurality of pivoted vanes and a central vane pivotally interconnected with a pair of heavy tie rods. The centrifugal mechanism is driven by the fan propeller and comprises a hermet... | 08/21/2001 |
| 6244818 | Fan guard structure for additional supercharging function A fan guard has a function of supercharging a fan in addition to supporting a rotor device is disclosed. The fan guard is to be mounted beside the rotor device for supporting the rotor device, and additionally, the fan guard interacts with an airflow gene... | 06/12/2001 |
| 6139267 | Fluid machine A fluid machine comprising a fluid storage tank (1), provided with an inlet (2) and at least with one outlet nozzle (3), and in the area of the outlet nozzle (3) there is mounted, on a holding device (4), at least one rolling rotor (5) represented by a bo... | 10/31/2000 |
| 6065929 | Inducer equipment for a pump having large induction capacity Inducer equipment adapted to a pump having large induction capacity which cludes a case surrounding an inducer rotor having a plurality of blades leaving clearance relative to the case. The clearance between the peripheral portions of the blades and the c... | 05/23/2000 |
| 6042335 | Centrifugal flow fan and fan/orifice assembly A centrifugal fan including a fan hub lying generally in a plane normal to the axis of fan rotation and having a central opening for receiving a motor housing, and a plurality of fan blades of substantially identical construction spaced circumferentially ... | 03/28/2000 |
| 5979541 | Cooling fan and cooling fan assembly With the objective of providing a cooling fan and a cooling fan assembly in which the cooling efficiency is high, and which has been lightened, the invention has been composed by a cooling fan 1, a casing 2 composed from a casing main body 3 and a lid par... | 11/09/1999 |
| 5951247 | Discharge vanes for axial fans The fan housing of an axial fan having a flow resistance such as a coil or grille in a closely spaced relationship is provided on its discharge side with a plurality of circumferentially spaced, radially extending vanes. The vanes act as a radial diffuser... | 09/14/1999 |
| 5839374 | Blower for generating static pressure A blower fan assembly for removing combusted by-products and flue gas from a furnace is presented. The blower fan assembly includes a housing with a cavity for receiving a blower fan. The housing is secured over an opening in a furnace so that when the bl... | 11/24/1998 |
| 5575622 | Method and apparatus for mounting a fan guard This invention is a quick attach fan guard for shroud type fans. A plurality of L-shaped slots are provided in the front and rear edges of the shroud with hooks with bends in the same are mounted on the fan guard so such bends lie a juxtaposed parallel pl... | 11/19/1996 |
| 5520513 | Fan apparatus A fan shroud 4 is positioned upstream of a heat exchanger 5. An intake portion 9 of the fan shroud 4 has the shape that the axial length a thereof is smaller than a radial length b thereof, so that the intake portion expands quickly and the air flowing in... | 05/28/1996 |
| 5513953 | Suspended ceiling fan A suspended ceiling fan assembly comprising: a housing having a central section in a generally dome-shaped configuration with a first axis and with an external periphery formed as a square, the periphery including a wall extending from the periphery of th... | 05/07/1996 |
| 5478201 | Centrifugal fan inlet orifice and impeller assembly An inlet orifice structure and impeller assembly for a centrifugal flow fan. The inlet orifice has an elliptical cross section in a plane passing through the axis of rotation of the fan. The impeller is shrouded and also has a similarly elliptical cross s... | 12/26/1995 |
| 5443363 | Assembly of fan and shroud An assembly of a fan and shroud is provided in which a shroud has an inner ring which is substantially cylindrical to guide airflow by surrounding blades, an outer ring which has a diameter greater than that of the inner ring and surrounds both the blades... | 08/22/1995 |
| 5427502 | Fan shroud aspirator An aspirator is mounted on a fan shroud surrounding a vehicle cooling fan. The aspirator has a housing which forms a duct which connects an opening to a port for connecting to a vehicle function. The aspirator is spaced apart from the fan and upstream fro... | 06/27/1995 |
| 5407324 | Side-vented axial fan and associated fabrication methods An axial flow cooling fan includes a rectangular housing base portion and a plurality of rectangular plate members, all having corner portions and central circular air flow openings. The plate members have corner openings and integral hollow cylindrical s... | 04/18/1995 |
| 5393197 | Propulsive thrust ring system Improvements to a propulsion thrust apparatus are described wherein a propeller is surrounded by a ring cage structure with which propeller tip vortices are converted to useful mass flow with a plurality of rings whose spacing from each other and the prop... | 02/28/1995 |
| 5370498 | Apparatus for elimination of gas constituents An apparatus for eliminating gas constituents, such as moisture or the like, from a cooking space of an industrial kitchen apparatus or the like, has a radial fan which is arranged close to an essentially vertically housing wall, the drive shaft of the ra... | 12/06/1994 |
| 5248224 | Orificed shroud for axial flow fan A shroud for an axial flow fan having an orifice designed to improve the overall flow efficiency of the fan. In preferred embodiments, the shroud is generally toroidal in form with a cross section that is ellipsoidal in the area of the shroud leading edge... | 09/28/1993 |
| 5215438 | Fan housing A housing for a propeller or axial flow fan. The housing comprises an orifice portion, a stator element portion and a motor mount portion, preferably made in a single piece by casting in metal. The single piece construction makes possible the positioning ... | 06/01/1993 |
| 5215437 | Inlet orifice and centrifugal flow fan assembly An inlet orifice (12) and an inlet orifice (12) and centrifugal fan (21) assembly that promotes fan efficiency and reduces radiated noise. The orifice has an elliptical entry portion (13) and an elliptical diffuser portion (14) that meet smoothly at a thr... | 06/01/1993 |
| 5096373 | Integrated forced convection air cooling systems A fan assembly with a single fan housing that has at least one fan passage adapted to allow air to flow through the housing. A separate fan subassembly is snapped into a motor housing formed within the passages of the fan housing. The subassembly includes... | 03/17/1992 |
| 5076070 | Fan device for refrigerator A fan device for a refrigerator includes a hollow wall having a front wall portion and a rear wall portion for dividing an interior space of the refrigerator into a heat exchanging zone and a first portion of a storage zone. An air suction opening is form... | 12/31/1991 |
| 5066194 | Fan orifice structure and cover for outside enclosure of an air conditioning system A fan orifice structure and cover intended for use in conjunction with the outside enclosure, usually containing the outside heat exchanger and compressor, of an air conditioning system. The orifice features relatively complex contours that enhance fan ef... | 11/19/1991 |
| 4966524 | Blower A blower for cooling a magnetron and a transformer, provided with an air guide part for collecting the air current vertically blowing outward from the vicinity of an outer periphery of a propeller fan while using a partition plate which adapts the air cur... | 10/30/1990 |
| 4741669 | Shroud An improved radiator shroud consists of a main upper-shroud and a semicircular lower-shroud to be attached to the cut-off portion of the cylindrical opening of the main upper-shroud. The lower-shroud is provided with more than two U-shaped stoppers along ... | 05/03/1988 |
