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| Number | Title | Issue Date |
| 7332842 | Fan motor A fan motor includes: a stepping motor for rotating a rotating shaft; an impeller rotated by the rotating shaft; and a connecting member for rotatably connecting the impeller relative to the rotating shaft. The connecting member absorbs an inertia force of the impel... | 02/19/2008 |
| 7296968 | Fan acceleration structure The present invention relates to a fan acceleration structure of a shredder having a common shaft for a motor, a fan, and a gear set to enable the motor driving and accelerating the fan through a chain rotation from a drive gear, a connection gear to a driven gear. | 11/20/2007 |
| 7255527 | Wind power generator A wind power generator has a base, a wind driving wheel, a transmission unit and a power storage unit. The wind driving wheel has a spindle at a center of the wind driving wheel. The spindle is positioned to the lateral frame. A plurality of connecting frames are ex... | 08/14/2007 |
| 7143645 | Meter housing assembly and method of assembly A water meter housing assembly (10) comprises a cylindrical, plastic housing body (11), a non-cast housing bottom (13) of hydroformable or stamped brass, a single-piece strainer and sealing member (40) that is disposed in the housing bott... | 12/05/2006 |
| 7066709 | Wind driven power generating system The present invention discloses a wind driven power generator. The wind driven power generating system comprises: a) an aerodynamic unit rotatably mounted at the top of a tower having a certain height; b) a plurality of rudders for aligning the aerodynamic unit with... | 06/27/2006 |
| 6957506 | Offshore treasure recovery apparatus Provided herein is a device useful for recovering valuable metallic objects which are located in a submerged location, such as beneath the sand or mud off the shore of a beach or riverbank. A device according to the invention first locates a metallic object using a ... | 10/25/2005 |
| 6764278 | Water pump A water, pump includes a driven portion, a shaft connected to the driven portion, an impeller connected to the shaft, and a body supporting the driven portion for relative rotation therewith. The water pump is characterized in that the driven portion and the shaft a... | 07/20/2004 |
| 6722849 | Propeller for tubeaxial fan A tubeaxial fan (10) broadly including a cylinder (12), a propeller (14) rotatably supported in the cylinder (12), and a drive assembly (16) operable to rotate the propeller (14) is disclosed. The propeller (14) inclu... | 04/20/2004 |
| 6702548 | Tubeaxial fan assembly A tubeaxial fan (10) broadly including a cylinder (12), a propeller (14) rotatably supported in the cylinder (12), and a drive assembly (16) operable to rotate the propeller (14) is disclosed. The propeller (14) includes blades (28, 30, 32, 34, 36, 38) ea... | 03/09/2004 |
| 6672966 | Curvic coupling fatigue life enhancement through unique compound root fillet design A lower stress and higher service life curvic coupling design is disclosed for use on coupling mechanisms for assembly of components that comprise rotating elements, such as impellers, turbine wheels and couplings for gas turbine engines and other types o... | 01/06/2004 |
| 6524081 | One-stage transmissible turbocharger A one-stage transmissible turbocharger includes a turbine wheel contained in a front current-guider and a rear current-guider, increasing air pressure to elevate horsepower and speeding up burning of gas coming out of a carburetor to save fuel consumption... | 02/25/2003 |
| 6494674 | Portable submersible liquid pump attachment A self priming pump attachment for transfer of liquids, such as water, attached to a rotating driving source. The rotating driving source can be a string trimmer, a drill or similar apparatus for creating a "wand" with the pump attachment on the end for p... | 12/17/2002 |
| 6478016 | Gear driven supercharger having noise reducing impeller shaft A centrifugal supercharger includes a gear-type transmission for drivingly connecting the impeller to the engine. The transmission includes an impeller shaft supporting the impeller and being fixed relative to one of the gears of the transmission. The pre... | 11/12/2002 |
| 6439208 | Centrifugal supercharger having lubricating slinger A centrifugal supercharger includes a case presenting a compressor chamber and a transmission chamber. An impeller in the compressor chamber is mounted to a shaft that extends into the transmission chamber. The impeller shaft is drivingly connected to a p... | 08/27/2002 |
| 6406261 | Counter propeller propulsion unit A propeller propulsion unit comprising a prime mover, propellers, and rotating force transmission for transmitting the rotating force of the prime mover to the propellers, wherein a counter propeller is fixed to a main shaft and a forward propeller is mou... | 06/18/2002 |
| 6129510 | Supercharger with new impeller and improved drive assembly An impeller for a supercharger is described. The impeller comprises a body having a base and an air intake end wherein the body is adapted to mount to a drive assembly of the supercharger. Further, the drive assembly is able to drive and rotate the body. ... | 10/10/2000 |
| 6099255 | Fluid power storage device A fluid power storage device is provided in which, the prime mover directly or through a slow-down gear train winds up a spring device having a latch attached therein. The spring device can be a spiral spring or simply a rubber band. When the stored up en... | 08/08/2000 |
| 5887576 | Centrifugal air compressor A centrifugal supercharger is disclosed that includes an internal drive mechanism which embodies the present invention. A pair of sprockets are connected to parallel input and output drive shafts and drivingly connected by a taut, high tension, endless co... | 03/30/1999 |
| 5569022 | Self-unblocking motor-driven pump having last motion shaft coupling A pump driven by an electric motor includes a stator, a rotor cooperating with the stator, a rotating drive-shaft associated to the rotor, a hermetically sealed chamber, and a disk wheel within the sealed chamber and joined to the drive-shaft. The sealed ... | 10/29/1996 |
| 5358377 | System and method for support and rotation of volume There is disclosed a system and method for rotationally controlling a circular structure, such as a dome, from the outer circumference of the dome. The system uses an air driven motor having a circular fixed section and a movable section. The movable sect... | 10/25/1994 |
| 5052180 | Fluid pressure driven power system A fluid pressure driven power system having a plurality of rotors keyed to a shaft rotatably journaled within a casing having, the rotors each having a plurality of fins extending around its periphery with the fins projecting above the perimeter of the ro... | 10/01/1991 |
| 5051071 | Heat dissipating coupling for rotary shafts A heat-dissipating coupling securing first and second shaft sections together for co-rotation and inhibiting heat transfer between the shaft sections. In an exemplary embodiment, the coupling includes a first coupling half secured to the first shaft secti... | 09/24/1991 |
| 4695222 | Recirculating toilet pump assembly A recirculating pump assembly in a self contained recirculating sewage system includes a filter surrounding a pump housing positioned in a sewage holding tank. A water rotated filter rinse assembly including a filter rinse member having a plurality of tan... | 09/22/1987 |
| 4688989 | Gas rotary machine A gas rotary machine of a type which is driven by a driving system with two parallel axes wherein a pinion shaft supporting a pinion is made as a flexible shaft and damper bearings including ball/roller bearings are employed to support the flexible shaft ... | 08/25/1987 |
| 4622818 | Bearing system for a gas turbine A gas turbine (22) of a compound internal combustion engine is coupled by a double reduction gear (32) to the engine crankshaft. The turbine shaft (30) is journalled by a floating bearing (48) adjacent the turbine wheel (22) and by two bearings (50 and 52... | 11/18/1986 |
| 4325678 | Hydraulic pressure producing system for a hydraulic press A hydraulic pressure producing system including clutch means located between an output shaft of a motor and a rotary pump arranged in a liquid and operated from outside. The rotary pump is driven only when the clutch means is engaged to obtain a discharge... | 04/20/1982 |
| 4272685 | Generating means A generating means as a form of utilizing water to generate electricity. There is a water dam which backs up a sizeable depth and water pressure, and a water outlet pipe near the bottom of the dam. A plurality of electric generating stations are positione... | 06/09/1981 |
| 4245965 | Gas-handling apparatus A gas-handling apparatus includes a housing enclosure having an inlet port and an outlet port which are connected by a duct and blower assembly, wherein the blower assembly draws a gaseous substance from a room or enclosed area and transfers this gaseous ... | 01/20/1981 |
| 4242979 | Screw propeller with no shaft boss and ship thruster using such screw propeller A propeller with no shaft boss comprising a substantially cylindrical rotatable member and several propeller blades extending radially of the cylindrical member close to the center axis thereof, and a ship thruster system adapted with the propeller having... | 01/06/1981 |
| 4190400 | Integral pump and drive shaft assembly An integral pump and drive shaft assembly in which the pump has a generally cylindrical side wall, a generally vertical back wall, and an impeller is rotatably mounted in the housing by its drive shaft which extends through the back wall of the pump housi... | 02/26/1980 |
| 4074951 | Wind power converter A wind power converter comprising: a pair of rotatable turbines with elongated curved blades disposed within a rotatable housing on axially parallel shafts, the curvature of the blades of one turbine being opposite to the curvature of the blades of the se... | 02/21/1978 |
| 4073606 | Pumping installation In a pumping installation having an above-ground prime mover driving an axial-flow pump below through a relatively long drive shaft unit, the drive shaft unit is coupled to the pump shaft through a sliding coupling which accommodates axial expansion and c... | 02/14/1978 |
| 4040272 | Flexible drive for rotating a fan An accessory drive for rotating a fan used to cool a transversely mounted engine in a vehicle. A declutchable device, such as a viscous fan drive, has one element driven by the engine. The other element is connected to one end of the core of an elongated ... | 08/09/1977 |
| 3981610 | Water pump A water pump for motor vehicles having a pump wheel arranged at the end of a shaft. A belt driven pulley is connected to the shaft for rotating the shaft and a bearing journals the shaft. The bearing has a fixed race, a rotatable race and two rows of roll... | 09/21/1976 |
| 3955905 | Sliding-vane pump A pump housing accommodates in it an output shaft of an electromotor which forms a unit with the pump, and a rotor having substantially slots is mounted on the output shaft for rotation. The slots accommodate sliding vanes. A mounting member mounts the ro... | 05/11/1976 |
| 3949567 | Centrifugal pump assembly A centrifugal pump assembly for use in nuclear reactor plants has a vertical motor shaft, a vertical pump shaft which is coaxial with and is located below and spaced apart from the motor shaft, an intermediate shaft which is coaxial with and is located be... | 04/13/1976 |
| 3930545 | Tiltable coupling A tiltable coupling has one end thereof connected to a down-hole drill and has the other end thereof connected to a section of drill rod. By using that tiltable coupling, it is possible to cause a down-hole drill to drill curved holes in subterranean form... | 01/06/1976 |
