Did You Know...
...In 1790, the cost to obtain a patent was between $4 and $5.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8047776 | Unit for treating air with controlled flow A unit for treating air with controlled flow, comprising a free rotor (GL), single or double inlet, combined with a directional conveyor (CD), which is designed so as to be able to directionally exploit the high static efficiencies, typical of free rotors (GL), and ... | 11/01/2011 |
| 7857583 | Base design of cooling structure The present invention relates to a base design of cooling structure, which includes a base, and a shaft tube disposed on the base to support a spindle of an impeller to rotate therein. The base has at least a groove and the groove is located beyond an outer diameter... | 12/28/2010 |
| 7708521 | Thermal module with centrifugal blower and electronic assembly incorporating the same An electronic assembly includes an enclosure including a top cover and a bottom cover, and a thermal module arranged between the top cover and the bottom cover of the enclosure. The thermal module includes a centrifugal blower and a fin assembly arranged in an air o... | 05/04/2010 |
| 7503745 | Pump assembly for chilled beverage dispenser A pump assembly for a chilled beverage dispenser includes an axle oriented in a substantially vertical orientation at a predetermined location along a bottom wall surface of the dispenser bowl; an impeller which rotates about an axis defined by the axle; an inner pu... | 03/17/2009 |
| 7476079 | Low-noise HVAC blower assembly A blower assembly 10′ includes a housing 18′ having an inlet 19 and an outlet 20. The housing includes an inlet ring 22′ at the inlet. A blower wheel 12′ is mounted for rotation in the housing. An electric motor 1... | 01/13/2009 |
| 7428814 | Turbine assemblies and related systems for use with turbochargers A turbocharger turbine housing with at least two volutes utilizing multiple nozzle rings to optimize the turbocharger's proficiency per application, and a valve to control the exhaust flow to selected volutes in the turbine housing. ... | 09/30/2008 |
| 7416384 | Electric blower and vacuum cleaner using same An electric blower includes an electric motor including a stator and a rotor. The impeller is rotated by the electric motor. An air guide having a plurality of guide blades is disposed around the impeller, and a casing encloses the impeller and the air guide. The ca... | 08/26/2008 |
| 7371047 | Exhaust gas turbine for an exhaust gas turbocharger In an exhaust gas turbine for a turbocharger with a spiral housing consisting of sheet metal surrounding a guide vane structure and having a tangential inlet funnel and an outer shell which also consists of sheet metal and surrounds the spiral housing with an air ga... | 05/13/2008 |
| 7329095 | Blower capable of reducing secondary flow A blower capable of reducing secondary flow comprises a frame and a wheel blade part. The wheel blade part is mounted in the frame. The wheel blade part is composed of a hub and a plurality of blades surrounding the hub. The frame is composed of a base and an upper ... | 02/12/2008 |
| 7290981 | Inline vent fan A vent fan is for directing a fluid along a vent pipe. The vent fan has a housing defining an inlet, an outlet and an internal space for a fluid flow path. A separating wall divides the internal space into an inlet and outlet chamber. The vent fan also includes firs... | 11/06/2007 |
| 7281379 | Dual-use radial turbomachine The impeller is preferably modified to use back swept, radial or forward swept blades to accommodate relatively low, medium and high lift, respectively applications for both centrifugal compressor and turbine rotor use. ... | 10/16/2007 |
| 7269950 | Staged turbocharger A turbocharger comprising a turbine, director, and compressor. The turbine may be formed as a turbine wheel surrounded by at least two scrolls. The at least two scrolls may direct exhaust gases supplied thereto toward the turbine wheel to cause rotation thereof. The... | 09/18/2007 |
| 7254949 | Turbine with vaned nozzles A machine designed as a centrifugal compressor is applied as an organic rankine cycle turbine by operating the machine in reverse. In order to accommodate the higher pressures when operating as a turbine, a suitable refrigerant is chosen such that the pressures and ... | 08/14/2007 |
| 7255532 | Bi-directional blowers for cooling computers A heat dissipating device includes a motor, a rotary unit, and a housing for receiving the motor and the rotary unit. The rotary unit includes a hub mounted to the motor and blades extending from the hub. The housing defines a hot air inlet, a hot air outlet, a cold... | 08/14/2007 |
| 7229244 | Fluid flow actuated drive means A fluid flow actuated drive means 10 includes a rotatably mounted impeller 12 which defines a set of circumferentially spaced outer chambers 14 which extend inwardly from openings 16 along a peripheral edge 18 of the impeller 12... | 06/12/2007 |
| 7217086 | Cooling fluid pump A cooling fluid pump includes a casing having a cylindrical pump chamber inside and an outer surface, the pump chamber having an inner surface, an impeller mounted rotatably inside the pump chamber and having a number of pump vanes, the impeller further having an ax... | 05/15/2007 |
| 7217087 | Centrifugal fan A centrifugal fan comprises an impeller, a motor which is connected and rotates the impeller and a housing which has an intake and an air blowing port for housing the impeller. The impeller has a plurality of blades arranged on a circumference. The intake opens oppo... | 05/15/2007 |
| 7210902 | Two-way air pump A two-way air pump includes a housing, an air flow controller, a check valve, and a valve actuator. The housing confines an air control chamber, and is formed with a valve hole, an air outlet and an air inlet. The air flow controller confines an air impeller chamber... | 05/01/2007 |
| 7207774 | Centrifugal fan and casing thereof A centrifugal fan includes a scroll casing having an almost cylindrical shape. The casing consists of first and second casings. The first casing constitutes one base wall and a part of a side circumferential wall of a cylinder, and the second casing constitutes the ... | 04/24/2007 |
| 7182572 | Impeller assembly An impeller assembly has a hollow body, multiple main blades and multiple booster blades. The main blades are mounted around the body to define multiple flow channels between the main blades. The boosting blades are mounted around the body at the bottom edge and eac... | 02/27/2007 |
| 7174716 | Organic rankine cycle waste heat applications A machine designed as a centrifugal compressor is applied as an organic rankine cycle turbine by operating the machine in reverse. In order to accommodate the higher pressures when operating as a turbine, a suitable refrigerant is chosen such that the pressures and ... | 02/13/2007 |
| 7153097 | Centrifugal impeller and pump apparatus The centrifugal impeller includes a plurality of blades (3), a plurality of fluid paths (P) for delivering a fluid from an impeller inlet (1) to an impeller outlet (2), and a shroud (4) and a hub (5) for forming the fluid paths (P)... | 12/26/2006 |
| 7125224 | Rotary kinetic tangential pump A kinetic pump has a tangential axially inner inlet means and a tangential discharge and with a rotor having vanes forming fluid channels to move fluid from inlet to discharge. The volute is eliminated or restricted only to the discharge port sector, and the vanes, ... | 10/24/2006 |
| 7106587 | Fluid moving device with a radiation module A fluid moving device with a heat radiation, which is mounted to a conductive part to dissipate heat from a heat generation part under the fluid moving device and another heat generation part around the first heat generation part, includes a first frame member, whic... | 09/12/2006 |
| 7066715 | Turbine efficiency tailoring A turbomachinery apparatus. A turbine is provided with a retainer having a bore step element for turbine wheel retention, and with an aperture manifesting a tailored diameter less than the trim diameter of the turbine, thereby to permit customization of the turbine ... | 06/27/2006 |
| 7021891 | Micro-impeller miniature centrifugal compressor A back-to-back double-flow bi-directional thrust-balanced micro-impeller for use in optimized compression cycles of small volumetric flow rates is provided. The back-to-back micro-impeller is a component of a compressor capable of generating a pressure head suitable... | 04/04/2006 |
| 6971846 | Centrifugal blower In a centrifugal blower, a casing forms a scroll duct on the outer periphery of a centrifugal fan. The scroll duct includes a motor scroll duct wall extending from the periphery of a motor casing wall in a radial direction, a suction scroll duct wall extending from ... | 12/06/2005 |
| 6960854 | Centrifugal turbine for breathing-aid devices The invention concerns an electric turbin (1) comprising a turbine rotor (4, 7), a turbine stator (2, 3), an electric motor member (5, 6) for driving the rotor (4, 7) in rotation relative to the stator (2, 3), and having the... | 11/01/2005 |
| 6953319 | Centrifugal fan A centrifugal fan includes: a housing installed at both sides of a driving motor and having an air suction opening and an air discharge opening; an impeller installed inside the housing and discharging air sucked through the air suction opening through the air disch... | 10/11/2005 |
| 6948320 | Expansion turbine stage An expansion turbine stage for compressed gases has a housing and a turbine rotor. The housing has flow guide channels for feeding the compressed gas to the turbine rotor. The turbine rotor, which is over-mounted and has centripetal flow through it, is followed by a... | 09/27/2005 |
| 6948314 | High response, compact turbocharger Turbochargers of this invention comprise a turbine housing and a turbine wheel rotatably disposed therein. A center housing is connected to the turbine housing, and a compressor housing is attached to the center housing. A compressor is rotatably disposed within the... | 09/27/2005 |
| 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 |
| 6923618 | Rotary motor A turbine engine that includes a housing having a circular cavity of an inlet and an outlet that provide fluid communication to and from the circular cavity. A rotor having a circular body and least one sealing fin extending from the circular body to the cavity wall... | 08/02/2005 |
| 6896477 | Cross-flow fan with a closed suction element, and smooth flowing suction separation device A cross-flow fan is operated in a suction mode, mainly in air-ducts with a large width, to provide a smooth flow of regulatable air. In accordance with the invention, a smooth flow suction separation device is suitable for the regulated suction to a large width of a... | 05/24/2005 |
| 6881031 | Centrifugal air blower A centrifugal air blower includes a fan having a plurality of blades spaced circumferentially therearound for generating an air flow. The fan is disposed in a main case which defines a first discharge passage for the air to flow therethrough. An extended case defini... | 04/19/2005 |
| 6761531 | Spa pumping method and apparatus A water pump for a spa or the like has a pump water inlet, a pump water outlet and an impeller driving water from said inlet to said outlet. The impeller provides the water axially introduced at the pump water inlet with a radial component which delivers the water t... | 07/13/2004 |
| 6726442 | Disc turbine inlet to assist self-starting A disc turbine inlet collects working fluid, introduces it into the rotor housing at a defined location and imparted at a defined injection angle with respect to the tangential motion of the discs in rotary motion. An injection angle within the optimum range delinea... | 04/27/2004 |
| 6709228 | Vacuum pumps A compound vacuum pump comprising at least one turbo-molecular stage and downstream therefrom a multi-channel molecular drag stage, a first inlet through which fluid can pass through the turbo-molecular stage and the molecular drag stage towards a pump outlet, a sec... | 03/23/2004 |
| 6705833 | Airflow flapper valve A blower apparatus includes a blower housing having at least one airflow channel. A flexible sheet having at least one flap is coupled to the blower housing such that the flap overlaps the channel to form a one-way valve. A plurality of flaps may be positioned over ... | 03/16/2004 |
| 6692223 | Air conditioner To obtain an air conditioning apparatus which provides a favorable atmosphere to the ear and saves energy even if the suction resistance of the impeller becomes high due to such as dust in the air conditioning apparatus. The air conditioning apparatus is ... | 02/17/2004 |
