"What, sir, would you make a ship sail against the wind and currents by lighting a bonfire under her deck? I pray you, excuse me, I have not the time to listen to such nonsense."
Napoleon Bonaparte ; When told of the Robert Fulton steamboat
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| Number | Title | Issue Date |
| 8011878 | Centrifugal fan and electronic device using same A centrifugal fan includes a housing and an impeller. The housing includes a base plate, a side plate extending upwardly from a periphery of the base plate and a concave portion depressed downwardly from a central portion of the base plate. The concave portion inclu... | 09/06/2011 |
| 7744341 | Thermal module with centrifugal blower and electronic assembly incorporating the same An electronic assembly (1) includes a top cover (21), a bottom cover (22) and a thermal module (10). The thermal module includes a centrifugal blower (14) and a fin assembly (12). The blower includes a top lid (142) d... | 06/29/2010 |
| 7442003 | Pump A centrifugal pump is provided for use with fluids, gases, and solids in connection with a drive shaft and a motor. The pump has a housing and at least a 30 degree sloped impeller mounted on the shaft within the housing. The housing has opposing inlet means on each ... | 10/28/2008 |
| 7431558 | Air intake An air intake with at least one inlet port area and one outlet port area, in which there is arranged at least one structure which may be flowed through and around, comprises an opening and modifies the clear cross-section only slightly, in particular serving as a fr... | 10/07/2008 |
| 7381027 | Fan motor A fan motor having a small thickness and its impeller's blades formed to have a longer length in the diametrical direction than a width in the axial direction. Since the blade of the fan motor has a tooth structure or chamfers at its edge end in the diametrical dire... | 06/03/2008 |
| 7334937 | Impeller vane assembly for liquid/solid blenders An impeller vane assembly for blending liquids with solid particulate matter in which a center drive shaft extends through a housing having a solid particle inlet and a liquid inlet together with an outlet, and upper and lower impeller vanes are aligned respectively... | 02/26/2008 |
| 7326028 | High flow/dual inducer/high efficiency impeller for liquid applications including molten metal A centrifugal pump has a pump base with inlet inducer openings that receive molten metal into an impeller chamber. An impeller structure in the impeller chamber passes the metal in a radial direction through an outlet inducer opening into a volute passage for discha... | 02/05/2008 |
| 7293955 | Supersonic gas compressor A gas compressor based on the use of a driven rotor having a compression ramp traveling at a local supersonic inlet velocity (based on the combination of inlet gas velocity and tangential speed of the ramp) which compresses inlet gas against a stationary sidewall. I... | 11/13/2007 |
| 7086827 | Turbo molecular high-vacuum pump with a circular intake area In a turbo-molecular pump with a high vacuum-side induction area and of a rotational symmetrical arrangement, comprising a compressor turbine including a rotor and a stator tube having axially alternately tightly arranged rotor blade rings and stator vane rings with... | 08/08/2006 |
| 7044720 | Fan motor A fan motor with an increased amount of air drawn in toward fan blades so as to obtain a desirable airflow characteristic. A fan motor includes a rotor and a plurality of fan blades provided radially therefrom. Each fan blade is provided with an air intake part on a... | 05/16/2006 |
| 7018171 | Blower with double inlet wheel A blower having an enclosure having side walls defining an internal chamber, an open end comprising a first inlet, a second inlet and an outlet. A flow separator plate extends across the internal chamber between the side walls defining a first scroll duct and a seco... | 03/28/2006 |
| 6974246 | Apparatus for blending liquids and solids including improved impeller assembly A method and apparatus for blending liquids with solid particulate matter in which a center drive shaft extends through a housing having a solid particle inlet and a liquid inlet together with an outlet, and upper and lower impeller vanes are aligned respectively wi... | 12/13/2005 |
| 6960059 | Blower with a plurality of impellers A blower having a plurality of impellers is described. The blower has two driving devices and two impellers respectively mounted on the two driving devices. The blades of the two impellers, which are radially or axially disposed, are overlapped so as to enhance the ... | 11/01/2005 |
| 6942448 | Pump A centrifugal pump is provided for use with fluids, gases, and solids in connection with a drive shaft and a motor. The pump has a housing and a sloped impeller mounted on the shaft within the housing. The housing has opposing inlets on each side of the impeller and... | 09/13/2005 |
| 6942446 | Feed pump The invention relates to a feed pump (2) that is configured as a side-channel pump with a plurality of identically designed feed chambers (6, 7) with outlet channels (22, 23) that are disposed opposite one another, thereby eliminating the radial... | 09/13/2005 |
| 6920754 | High-pressure ratio turbocharger A high-pressure ratio turbocharger of this invention has a two-stage compressor section comprising a first-stage compressor impeller rotatably disposed in a first compressor housing, and a second-stage compressor impeller rotatably disposed in a second-stage compres... | 07/26/2005 |
| 6896478 | Dual fan blower with axial expansion A dual fan blower module of the present invention includes a housing defining a central motor compartment and first and second scroll chambers. The scroll chambers are axially aligned with and located on opposite sides of the motor compartment. A motor is mounted wi... | 05/24/2005 |
| 6868903 | Production tool A production tool for use in heavy oil production is provided. Operating to provide for better inflow of oil and sand to a bottom hole rotating pump, the production tool prevents sand up conditions and keeps the well cellar and the walls of the casing clean to ensur... | 03/22/2005 |
| 6792755 | High-pressure ratio turbocharger A high-pressure ratio turbocharger of this invention has a two-stage compressor section comprising a first-stage compressor impeller rotatably disposed in a first compressor housing, and a second-stage compressor impeller rotatably disposed in a second compressor ho... | 09/21/2004 |
| 6766645 | Configuration of at least two exhaust gas turbochargers This invention relates to configuration of at least two exhaust gas turbochargers on an internal combustion engine with a plurality of cylinders, in particular in a motor vehicle, in which the two turbine housings are connected to the exhaust gas system of the inter... | 07/27/2004 |
| 6752602 | Blood pump The invention concerns a blood pump, in particular a ventricular cardiac support pump, with formed in a pump housing a blood chamber which is designed to hold a rotor rotatable about a rotor axis and at opposite ends in sections forms an inlet connectable with an in... | 06/22/2004 |
| 6736610 | Blower fan, in particular for blowing apparatuses, and blowing apparatus provided thereof A blower fan comprises a support element (13) presenting a first face (13a) and a second face (13b) mutually opposite to said first face (13a), the first and the second faces (13a, 13b) bei... | 05/18/2004 |
| 6709229 | Bi-directional incoming air flow fan A bi-directional incoming air flow fan comprises a case in which is mounted a rotor that includes a plurality of rotary blades. The case has top and bottom faces that are respectively provided with a first and second air inlet having approximately a same surface are... | 03/23/2004 |
| 6609881 | Steam turbine inlet and methods of retrofitting A pair of steam turbine inlet ports are disposed at opposite sides of a steam turbine housing for flowing steam in opposite circumferential directions in a generally annular steam chamber to first stages of a turbine through axially opposite outlets. Port... | 08/26/2003 |
| 6540476 | Centrifugal fan The centrifugal fan of the present invention comprises a frame, a rotatory means and an impeller. Among these, the frame has a first intake, a second intake, at least one air outlet and a plurality of ribs crossing the second intake. The rotatory means mo... | 04/01/2003 |
| 6514053 | Motor-driven pump with a plurality of impellers A motor-driven pump with a plurality of impellers, includes a pump housing provided on an electric motor, and an impeller unit provided in an inner space of the housing, the housing having two fluid inlet port regions on two sides near and away from the m... | 02/04/2003 |
| 6514036 | Radial flow fan with impeller having blade configuration for noise reduction A debris blower with a radial flow fan having an impeller that includes a set of impeller blades that are spaced about a rotary axis of the impeller in a predetermined manner such that at least two spacing angles are used to space the impeller blades circ... | 02/04/2003 |
| 6447244 | Centrifugal pump apparatus and method for using a single impeller with multiple passes A method of increasing the pressure of a fluid in an aircraft centrifugal pump by forcing the fluid to make multiple passes through one impeller of the aircraft centrifugal pump is provided. It includes providing fluid through a pump inlet to an aircraft ... | 09/10/2002 |
| 6422838 | Two-stage, permanent-magnet, integral disk-motor pump A two-stage, permanent-magnet, integral disk-motor centrifugal pump, has a housing having first and second suction ports and first and second discharge ports, the first discharge port being connected to the second suction port. A first impeller is rotatab... | 07/23/2002 |
| 6077033 | Portable air-blowing working machine A portable air-blowing working machine includes a prime mover and an air-blowing system. The air-blowing system incorporates first-stage and second-stage centrifugal air-blowing sections, which are rotatably driven by an output shaft of the prime mover an... | 06/20/2000 |
| 6048168 | Lubricated ceramic/hybrid anti-friction bearing centrifugal pump A pump assembly for conventionally driven centrifugal pumps having a rolling element comprised of product lubricated ceramic or hybrid anti-friction bearings. The ceramic bearings are comprised of ceramic balls and ceramic races, whereas the hybrid bearin... | 04/11/2000 |
| 6030173 | Suction unit for hoods, ovens and similar appliances having a casing with two or more adjacent and spaced augers This invention concerns a suction unit for hoods, ovens and similar appliances consisting of a double auger casing in which the two augers are adjacent but spaced so that two separate suction inlets may be realized on the same, one on the external side an... | 02/29/2000 |
| 6004094 | Radially sealed centrifugal pump A radially sealed centrifugal pump comprises a casing (2) to which a shaft (4) is rotatably connected, and an impeller (5), connected to said shaft (4), free to rotate within said casing (2), and said pump has, between said casing (2) and said impeller (5... | 12/21/1999 |
| 6004093 | Portable air-blowing working machine A portable air-blowing working machine includes a prime mover and an air-blowing system. The air-blowing system incorporates first-stage and second-stage centrifugal air-blowing sections, which are rotatably driven by an output shaft of a prime mover and ... | 12/21/1999 |
| 5980199 | Performance centrifugal blower apparatus including at least two suction inlets, and associated blower method A centrifugal blower apparatus suitable for industrial uses has a least a delivery outlet and at least two fluid inlets disposed on either side of a blower wheel suitable for being rotated by a drive system. Each inlet is associated with a respective cont... | 11/09/1999 |
| 5769069 | Low flow-rate pump A relatively power efficient, low flow-rate pump comprises an integral rotor-impeller on a hollow shaft which forms the rotational axis. The rotor-impeller is a permanently magnetized with alternating poles about its periphery faces and at least two chann... | 06/23/1998 |
| 5704761 | Full-circumferential flow pump A full circumferential flow double suction pump has a pair of pump assemblies mounted on respective opposite ends of the rotor shaft of the motor mounted within an outer frame casing. The motor is positioned within an outer cylinder such that an annular s... | 01/06/1998 |
| 5494403 | Full-circumferential flow pump A full-circumferential flow pump includes a motor having a stator, a shaft rotatably disposed in the stator, and a rotor mounted on the shaft for rotation relative to the stator, an outer frame casing disposed around the stator, an outer cylindrical pump ... | 02/27/1996 |
| 5478275 | Radial fan A ventilation system for a car including an outside air channel, an interior air channel, and a radial fan having a suction side and an exhaust side. The fan is situated at junction between the outside air and interior air channels, so that the outside ai... | 12/26/1995 |
| 5473897 | Internal combustion engine with exhaust-gas turbocharging The object of the invention is to create an internal combustion engine, connected to two exhaust-gas turbochargers, with reduced flow losses and an improved efficiency which is particularly suitable for relatively high boosting. According to the invention... | 12/12/1995 |