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Actress Jamie Lee Curtis is a patented inventor - she created a diaper equipped with a premoistened baby wipe. And that's no act!
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| Number | Title | Issue Date |
| 7473071 | Device for use in a blower configuration A device for application in a fan configuration is configured, in particular, to be directly driven by an electric motor. In the fan configuration, a centrifugal fan wheel is mounted to rotate in unison with a drive shaft. The centrifugal fan wheel, for producing a ... | 01/06/2009 |
| 7465153 | Diverter for reducing wear in a slurry pump Disclosed is a diverter for directing particles that cause wear in a slurry pump away from the stationary face of a slurry pump. The diverter comprises a protrusion that directs particles back into the collector of the pump to reduce the number of particles that go ... | 12/16/2008 |
| 7338255 | Turbo-type fluid machine and a stepped seal apparatus to be used therein A turbo-type fluid machine comprises a mouth ring part provided between a shroud of an impeller and a pump casing and having a seal function. The mouth ring part comprises an impeller ring on a side of the shroud of the impeller and a casing ring provided on a side ... | 03/04/2008 |
| 7329085 | Pump impeller An impeller for use in a centrifugal pump, the impeller including a shroud having opposed faces, an outer peripheral edge portion and a rotation axis, a plurality of pumping vanes on one of the faces of the shroud and extending away from the rotation axis, each pump... | 02/12/2008 |
| 7244095 | Dual pressure Euler steam turbine A turbine, including a rotor on a shaft, and having in combination stationary nozzles discharging steam at a first pressure or pressures thereby producing impulse forces on the rotor; internal passages in the rotor producing a pressure head increase in the discharge... | 07/17/2007 |
| 7189054 | Self-compensating clearance seal for centrifugal pumps A radial seal is provided for installation within a centrifugal pump of the type having an impeller, a pump casing having a suction inlet, a sealing ring groove formed in the pump casing, and means for supplying flushing water to the sealing ring groove. The radial ... | 03/13/2007 |
| 7101148 | Device for use in a blower configuration A device for application in a fan configuration is configured, in particular, to be directly driven by an electric motor. In the fan configuration, a centrifugal fan wheel is mounted to rotate in unison with a drive shaft. The centrifugal fan wheel, for producing a ... | 09/05/2006 |
| 7091635 | Motor/flywheel assembly with shrouded radial cooling fan A flywheel/motor assembly is disclosed that comprises a motor housing having a sidewall and an end wall extending substantially perpendicularly from the sidewall. The end wall enclose a motor assembly having a rotatable shaft extending therefrom. The motor housing h... | 08/15/2006 |
| 7063515 | Radial fan An air compressor includes a valve plate with cooling fins and a piston also having cooling fins. The valve plate includes an integral and angled valve plate outlet. The angling of the valve plate outlet reduces turbulence and improves compressed air flow. The pump ... | 06/20/2006 |
| 7001148 | Replaceable insert for centrifugal blower flow control The present invention provides a method and apparatus for varying the high flow and low pressure operating range of a centrifugal blower. Centrifugal blowers are designed and rated for a certain capacity at a certain speed. The present invention provides an apparatu... | 02/21/2006 |
| 6916149 | Vortex blower A vortex blower is composed of a motor providing a rotating power and including a pivot, a first rear housing mounted in proximity of the pivot and including two through holes at a lower side thereof for communicating respectively with an entrance airway and an exit... | 07/12/2005 |
| 6863492 | Friction regenerative pump A friction regenerative pump of this invention comprises: a partition portion formed in a section from a high-pressure outlet to a low-pressure intake along an impeller rotation direction; and a tongue portion provided in the partition portion such that it is elasti... | 03/08/2005 |
| 6830426 | Gas injection seal system for a centrifugal pump A set of seals is installed on the impeller of a centrifugal pump that allows a low viscosity fluid to be injected into a chamber between the impeller shroud and the casing sidewall. A seal ring, with a number of grooves formed in it is installed on the tip of the i... | 12/14/2004 |
| 6754076 | Stackable liquid cooling pump Electronic system components are cooled using a field configurable pump comprising a selectable plurality of identical or nearly identical modular pump units. The pump units are disposed in a stacked arrangement and are fluidly connected to adjacent modular pump uni... | 06/22/2004 |
| 6739829 | Self-compensating clearance seal for centrifugal pumps A seal for use in a centrifugal pump of the type used for pumping an abrasive slurry, and having a sealing ring groove formed in the pump casing and an arrangement for supplying flushing water, comprising a radial seal having a sealing end, a water receiving end, an... | 05/25/2004 |
| 6729859 | Airflow generating device air intake An improved vacuum motor air intake for use on vacuum motor device with a funnel shaped shroud enclosing a portion of the vacuum motor housing adjacent a fan assembly. Combined with the funnel shaped shroud, a conical air deflection body directs air entering the mot... | 05/04/2004 |
| 6494675 | Flow machine for a fluid with a radial sealing gap between stator parts and a rotor Self-supporting wear rings (1a, 1b) for fluid flow machines are arranged at a radial sealing gap (18) to a rotor (9), and have an outer jacket surface (3) provided with a wear surface (2). The wear rings (1a, 1b), which are fixed in the axial direction, c... | 12/17/2002 |
| 6450765 | Sealing system for a centrifugal fan A fan assembly with an improved seal for a mobile machine cooling system is disclosed. A housing is mounted to a machine structure and an impeller is mounted for rotation with respect to the housing. The impeller includes a plurality of rotating blades su... | 09/17/2002 |
| 6439835 | Pump shell for multistage metal working pump An improved pump shell for a multistage metal working pump includes a plurality of pump shell units housed in series within a hollow cylindrical casing and has the impellers driven by a shaft. Each pump shell unit has a inner shell which forms a holding e... | 08/27/2002 |
| 6439843 | Motor/fan assembly having a radial diffuser bypass A bypass motor assembly includes a motor having a rotatable shaft, a working air fan secured to the rotatable shaft and a shroud having an intake eyelet and at least one exhaust apertures. The assembly includes an end bracket having a shaft hole through w... | 08/27/2002 |
| 6435822 | Labyrinth sealing device, and fluid machine providing the same In a fluid machine such as multistage centrifugal compressor, the pressure of a working fluid is raised with the rotation of a impeller. A shaft sealing device is mounted at the end of the rotary shaft in order to prevent the working gas of the raised pre... | 08/20/2002 |
| 6378309 | Single air inlet A single air inlet for a pair of turbochargers has a duct portion with a circular inlet, a converging bifurcated portion having a pair of circular outlets, which are in fluid communication with inlet portions of compressor portions of the turbochargers an... | 04/30/2002 |
| 6345954 | Dry gas seal contamination prevention system A seal gas pressure booster system for use with a gas compressor, particularly of the type used for boosting pressure in gas transmission, process or utility industries and which contains pressure about the shaft/casing interface with the use of dry gas s... | 02/12/2002 |
| 6322335 | Pump structure A pump includes a front casing and a rear casing for defining a space therebetween. An end of the shaft extends into the space with an impeller is supported by a bushing which makes the impeller is rotatable in the space. A wearing ring is attached to a f... | 11/27/2001 |
| 6302645 | Labyrinth sealing device, and fluid machine providing the same In a fluid machine such as multistage centrifugal compressor, the pressure of a working fluid is raised with the rotation of a impeller. A shaft sealing device is mounted at the end of the rotary shaft in order to prevent the working gas of the raised pre... | 10/16/2001 |
| 6270314 | Water pump for an internal combustion engine A water pump for an internal combustion engine having a pump casing and a pump cover that forms a circulation cavity. A plate is positioned interface of the pump casing and the pump cover and divides the circulation cavity into an inlet passage and an out... | 08/07/2001 |
| 6267555 | Sheet metal casing for multistage pump and method for manufacturing the same A sheet metal casing for multistage pump and its manufacturing method, the casing includes an outer shell and an inner shell. The outer shell is integrally formed and includes a front end ring, a step positioning ring, an outer shell surface and a positio... | 07/31/2001 |
| 6250881 | Molten metal shaft and impeller bearing assembly A molten metal impeller having a base portion including a circumferential notch. The notch having a generally radial wall and a generally axial wall, at least one of the radial or axial walls including a plurality of grooves. A ceramic bearing ring is cem... | 06/26/2001 |
| 6200090 | Pump casing for sheet metal pump An pump casing for a sheet metal pump includes a pump body made by pressing or roll forming a sheet metal, a reinforced member which includes a water guide unit and a flange unit separately made by casting or CNC machining and a seal ring engaged with the... | 03/13/2001 |
| 6106224 | Downthrust pads for submersible centrifugal pumps A submersible centrifugal pump is claimed which includes an inner downthrust washer for receiving the downthrust load from the upward movement of the produced fluid, and an outer sealing washer, which is a non-load bearing washer, for allowing the reposit... | 08/22/2000 |
| 6082964 | Centrifugal pump having a floating seal ring A pump has an impeller, a casing defining a pump chamber around the impeller for receiving a fluid discharged from the impeller; and, a seal mechanism provided between the impeller and the casing to prevent a fluid from leaking from the pump chamber throu... | 07/04/2000 |
| 6056506 | Pump assembly for jetted tub A pump casing comprises an inlet conduit, a volute and a flow directing chamber. The inlet conduit has a first interior cross-sectional area. The volute has a hollow interior adapted to house a pump impeller. The flow directing chamber is positioned inter... | 05/02/2000 |
| 6039535 | Labyrinth sealing device, and fluid machine providing the same In a fluid machine such as multistage centrifugal compressor, the pressure of a working fluid is raised with the rotation of a impeller. A shaft sealing device is mounted at the end of the rotary shaft in order to prevent the working gas of the raised pre... | 03/21/2000 |
| 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 |
| 5984629 | Turbo-machine with reduced abrasive wear A turbo-machine for transporting media loaded with solid particles includes a housing. At least one impeller is disposed inside the housing and defines impeller side spaces disposed between the impeller and the housing. Wall surfaces bound the impeller si... | 11/16/1999 |
| 5921748 | Centrifugal pump A centrifugal pump comprises an impeller (2a and 2b) which is rototable about an axis (X--X) inside a static volute (1). The pump is further provided with a sealing arrangement (11). The sealing arrangement (11) reduces or substantially eliminates the cle... | 07/13/1999 |
| 5873697 | Method of improving centrifugal pump efficiency The method includes replacing conventional wear rings between a centrifugal pump casing inlet and the rotatable impeller having a plurality of circumferentially spaced blades. A substitute wear ring is formed of a thermoplastic polymer, POLY-ETHER-ETHER-K... | 02/23/1999 |
| 5855469 | End seal design for blower An improved blower of the squirrel cage type having an end seal ring that substantially encloses the inlet ends of the blower blades so to prevent air accelerated by the impeller from recirculating into the air inlet and onto the blower blades. The invent... | 01/05/1999 |
| 5735668 | Axial bearing having independent pads for a centrifugal pump An axial bearing includes a ring, pads and a base. Multiple, independent pads are orientated in a curved or circular configuration with respect to one another. The pads are retained by recesses in the base. If the pump is installed in a centrifugal pump, ... | 04/07/1998 |
| 5577886 | Sealing device for pump impeller The inlet part of the pump housing includes a collar which concentrically surrounds a corresponding opposite collar formed part of the pump impeller inlet, thus permitting any possible leakage flow to be in parallel with the main flow into the impeller an... | 11/26/1996 |
