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| Number | Title | Issue Date |
| 8100673 | Cooling fan A cooling fan (1) includes a fan housing (10), a stator (20), a rotor (30) and a bearing assembly (40). A tube (111) extends upwardly from a central portion of the fan housing. The stator is mounted around the tube. The bear... | 01/24/2012 |
| 7367190 | Supercharger with electric motor In a supercharger (10) with an electric motor in accordance with the present invention, the electric motor (20) is arranged at a position adjacent to a compressor impeller (6), a center housing (14) has a cooling fluid flow path (34 | 05/06/2008 |
| 7364403 | Lubricating system for a fan A lubricating system for a fan (10) includes a lubricant storage space (17) formed at an end portion of the fan for receiving lubricant therein. A lubricant temporary retaining space (145) is defined at the other end portion of the fan for tempo... | 04/29/2008 |
| 7318707 | Support bearing for a vertically arranged centrifugal pump A vertical centrifugal pump having a support bearing arranged above the pump and including an axial bearing (22) and a radial bearing (23). A housing (24) encasing the support bearing (22, 23) is directly connected to the flow-carrying ho... | 01/15/2008 |
| 7309145 | Light source apparatus and projection display apparatus A light source apparatus including: a solid state light source that includes a pair of electrodes and emits light in response to power being supplied with from the electrodes; a liquid medium that removes heat that is generated in the solid state light source; and a... | 12/18/2007 |
| 7299792 | Centrifugal compressor with improved lubrication system for gear-type transmission 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 power input ... | 11/27/2007 |
| 7264450 | Pump unit and method for operating a pump unit The method is provided for operating a pump unit with a centrifugal pump which is driven by an electric motor and which comprises a rotor running in a split tube. The rotor space is separated with respect to the stator in a fluid-tight manner. On running the motor t... | 09/04/2007 |
| 7191870 | Breather apparatus for a power train of vehicle A breather apparatus for a power train of vehicle is presented, which has a motor and a gear box connected to the motor, including a common case wall, first and second breather paths formed within the common case wall and a third breather path provided for communica... | 03/20/2007 |
| 7186095 | Compressor mounting bracket and method of making A mounting bracket for a compressor. The mounting bracket includes a mounting member and an elongate bracing member. The mounting member is secured to the housing of the compressor has a central support section in substantial registry with the housing. The mounting ... | 03/06/2007 |
| 7163383 | Compressor having alignment bushings and assembly method A compressor assembly including a compression mechanism having a main bearing and a plurality of first pilot holes, and an electric motor comprising a rotor disposed within a stator. The stator has a plurality of second and third pilot holes. Each of the first pilot... | 01/16/2007 |
| 7144229 | Sealed type electrically driven compressor A hermetic electric compressor is capable of efficiently pumping up a necessary amount of lubricating oil even at low-speed rotation and has a simple constitution to provide an excellent workablity in assembling. The hermetic electric compressor includes an oil pump... | 12/05/2006 |
| 7083385 | Axial flow fan motor An axial flow fan motor having an impeller molded integrally with a shaft from a synthetic resin. The shaft is easily assembled with a bearing arrangement by being brought into tight contact with the inner ring of the bearing arrangement and is reliably fixed theret... | 08/01/2006 |
| RE39217 | Centrifugal pump having oil misting system with pivoting blades A lubrication system for equipment (e.g. centrifugal pump) employing a rotating shaft and corresponding support bearings is disclosed. The lubrication system includes a lubricant dispenser having a plurality of blades or dispensing members pivotally attached theret... | 08/01/2006 |
| 6939115 | Wet-type rotor pump A wet-type rotor pump which is particularly suitable for feeding coolant in motorcar engines comprises a pump wheel. By the pump wheel, a feed medium is fed through an intake channel into a discharge channel. Via a common shaft, a motor armature of an electric motor... | 09/06/2005 |
| 6913438 | Pump lubrication system including an external reservoir A circulating lubrication system for a centrifugal pump, or other rotating equipment utilizing an oil sump, is disclosed. The lubrication system includes an external reservoir located distant from the main lubrication chamber, so that lubricating fluid from the main... | 07/05/2005 |
| 6761544 | Lubrication system for downhole application A component, such as a submersible motor, having a lubrication distribution system. The component includes an outer housing having a rotatable shaft disposed within the housing. The shaft is supported by one or more bearings and a lubricant is disposed within the ho... | 07/13/2004 |
| 6746216 | Scroll compressor with vented oil pump An oil pump for a scroll compressor has a bearing hub with a vent disposed between at least one fluid inlet in the bearing hub and a thrust washer. The vent provides an additional fluid flow path to equalize fluid pressure underneath the thrust washer. By minimizing... | 06/08/2004 |
| 6699020 | Fan assembly with lubricant-containing bearings A fan assembly includes a mounting tube having an annular flange extending radially and inwardly from an inner wall surface thereof. A rotor includes a rotor shaft extending into the mounting tube. First and second bearings are sleeved on the rotor shaft,... | 03/02/2004 |
| 6682324 | Radial turbo-blower The radial turbo-blower comprises a stator (35) that is housed in a stator housing (10) and a rotor (13) that rotates within a pump housing (11). The rotor (13) comprises a cavity (23) with a bearing arrangement (26) that is received by a protruding beari... | 01/27/2004 |
| 6612814 | Electrical fan having an oil retaining ring to prevent loss and evaporation of lubricant oil An electrical fan comprising a blade module and a coil module. The blade module includes a space defined therein, and a shaft. The space has a bottom where an end portion of the shaft is embedded. The coil module includes an oil-retaining bearing, an oil-... | 09/02/2003 |
| 6585496 | Self-regulating oil reservoir for scroll compressor A scroll compressor is provided with an oil reservoir that is self-regulating dependent on the overall lubricant level in the compressor. The reservoir is provided by a structural member having an inner rim and a bottom wall. The bottom wall is provided w... | 07/01/2003 |
| 6567268 | Cooling fan with magnetic liquid A cooling fan has a housing with a chamber defined therein. The housing has a seat provided in the chamber, a sleeve made of non-magnetized material and formed on the seat, a self-lubricating bearing received in the sleeve, a magnetic ring provided at a t... | 05/20/2003 |
| 6554576 | Magnetically coupled and self-lubricated pump with bearing burnout protection A pump has a housing plate having a front face and a back face, a housing can fixed to the plate and defining a chamber on the back face thereof, a bearing sleeve in the can fixed to the plate and extending rearward from the back face thereof along an axi... | 04/29/2003 |
| 6551055 | Centrifugal pump having oil misting system with pivoting blades A lubrication system for equipment (e.g. centrifugal pump) employing a rotating shaft and corresponding support bearings is disclosed. The lubrication system includes a lubricant dispenser having a plurality of blades or dispensing members pivotally attac... | 04/22/2003 |
| 6544011 | Heat dissipating fan with an oil guide A heat dissipation fan has a casing, a stator, a lubricating bushing and a fan. The stator is secured to the casing with a sleeve. The lubricating bushing has lubricant contained therein and is mounted in the sleeve. The fan is rotatably mounted in the ca... | 04/08/2003 |
| 6474962 | Miniature well and irrigation pump apparatus An irrigation pump for use in irrigating small fields or supplementing larger irrigation systems can also be used for portable water supply for emergency, military, or for underdeveloped countries. The pump system is designed to be light-weight and semi-p... | 11/05/2002 |
| 6471495 | Miniature well and irrigation pump apparatus An irrigation pump for use in irrigating small fields or supplementing larger irrigation systems can also be used for portable water supply for emergency, military, or for underdeveloped countries. The pump system is designed to be light-weight and semi-p... | 10/29/2002 |
| 6450785 | Oil pump for a hermetic compressor A hermetic motor compressor unit for household and similar refrigeration appliances, comprising a sealed casing having a bottom that forms a sump for holding lubricating oil. Inside of the casing is a compressor and driving motor that share a common hollo... | 09/17/2002 |
| 6224354 | Leakage storage means for a submersible machine The invention concerns a device for a submersible machine, such as a pump, a turbine or a mixer. The machine includes a driving unit (1) and a hydraulic unit (2) having an impeller connected to the driving unit via a rotary shaft (3). In order to prevent ... | 05/01/2001 |
| 6102675 | Cooling fan with an oil-retaining bushing A cooling fan with an oil-retaining bushing has a rotor, a stator and a housing. A self-lubricating bushing is provided within the sleeve of the housing. The spindle of the rotor is disposed in a the bushing and fixed by a retaining ring. The bushings def... | 08/15/2000 |
| 6048363 | Centrifugal blood pump apparatus A centrifugal impeller-type pump for transporting blood has a new and improved design in the impeller, to allow for the elimination of stagnant flow areas, and a geometrical design that minimizes damage to the blood components. A system for controlling an... | 04/11/2000 |
| 6010318 | Electric fan with lubricating oil leakage preventive arrangement An electric fan, which includes a body having a center shaft defining an axially extended center axle hole, a fan blade assembly having a hub and an axle axially disposed at the center of the hub and coupled to the center axle hole of the center shaft, an... | 01/04/2000 |
| 6010315 | Compressor for use in refrigerator A compressor for use in a refrigerator, which has a rotary shaft supported by bearings to be lubricated by a liquid refrigerant and is adapted to permit the rotary shaft to continue rotating for a while after a liquid refrigerant pump is stopped at, for e... | 01/04/2000 |
| 5997265 | Bearing structure for radiating fans A bearing structure for a rotor shaft of a radiating fan includes a hollow post and, positioned within said hollow post, a bearing for said rotor shaft. An inside wall of bearing has formed therein at least one groove extending circumferentially around th... | 12/07/1999 |
| 5964582 | Fragment prevention and containment for a bearing device for use in a pump A bearing device for use in a pump which has a bearing member composed of a hard and brittle material made of ceramic such as silicon carbide (SiC). The bearing device has a bearing housing, a ceramic bearing member housed in the bearing housing and suppo... | 10/12/1999 |
| 5944489 | Rotary fluid pump A fluid pump includes main support bearings for supporting the impeller shaft and back-up bearings for supporting the shaft upon failure of the main support bearings. The back-up bearings are positioned between the main support bearings and shaft driver/m... | 08/31/1999 |
| 5930852 | Heat exchanging pump motor for usage within a recirculating water system A pump which is designed to be mounted within a recirculating water system where a portion of the recirculating water is diverted and caused to flow through the pump with this recirculating water to absorb heat that is produced during the operation of the... | 08/03/1999 |
| 5647735 | Centrifugal pump having oil misting system with pivoting blades A lubrication system for equipment (e.g. centrifugal pump) employing a rotating shaft and corresponding support bearings is disclosed. The lubrication system includes a lubricant dispenser having a plurality of blades or dispensing members pivotally attac... | 07/15/1997 |
| 5638796 | Electric supercharger An electric supercharger is described comprising a centrifugal blower for compressing air. The blower is mounted on one end of a shaft. A first bearing is provided for supporting the blower on said one end of said shaft in a cantilever fashion. The rotor ... | 06/17/1997 |
| 5632608 | Pump oil mister with reduced windage A centrifugal environmentally safe pump including a motor driven pump shaft having a fluid pumping impeller affixed thereto. A plurality of annular shaft supporting bearing assemblies are disposed along the shaft adjacent a lubrication chamber, the lubric... | 05/27/1997 |
