Bizarre Patents
Mountable Printable Placard With Headband
A resilient headband in a shape for being mounted on the head of the user. The headband is equipped with a longitudinal slotted member for holding a placard.
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 |
| 8167542 | Centrifugal fan with 360 degree continuous rotation This patent discloses a fan capable of 360 degree continuous rotation. The fan may include an impeller positioned within the impeller housing, an impeller motor fixed to the impeller housing, where a control knob may control the impeller motor. The fan further may i... | 05/01/2012 |
| 7845900 | Diffuser for centrifugal compressor A discharge region of a centrifugal compressor is provided. A scroll casing is asymmetrically formed in a circumferential direction and configured to be positioned in different angular positions in the circumferential direction. A vaned diffuser is configured to be ... | 12/07/2010 |
| 7431557 | Compensating for blade tip clearance deterioration in active clearance control A method to compensate for blade tip clearance deterioration between rotating blade tips and a surrounding shroud in an aircraft gas turbine engine includes determining one or more variables based on at least one or more moving averages of one or more engine operati... | 10/07/2008 |
| 7407369 | Gas turbine engine blade tip clearance apparatus and method A zero running clearance system for gas turbine engines includes a gas turbine engine compressor having one or more first rotor assemblies and one or more first stator assemblies disposed adjacent the one or more first rotor assemblies; a gas turbine engine turbine ... | 08/05/2008 |
| 7341426 | Gas turbine engine blade tip clearance apparatus and method A gas turbine engine is provided that includes one or more rotor assemblies, one or more shroud segments, and an actuator. The rotor assemblies are rotatable around an axially extending rotational axis, and each rotor assembly has a plurality of blades. Each blade h... | 03/11/2008 |
| 7260892 | Methods for optimizing turbine engine shell radial clearances A method facilitates the assembly of a stator assembly for a turbine engine. The method includes providing a cantilevered shell including a first end and a second end, and coupling a second member within the turbine engine. The method also includes coupling the shel... | 08/28/2007 |
| 7238006 | Multiple impeller fan for a shrouded floor drying fan A method and apparatus for drying floors and carpets using a double impeller fan for generating a pressurized air stream within a vertical cylindrical fan shroud that is spaced two to five inches away from the floor on a set of legs such that an opening is formed be... | 07/03/2007 |
| 7201220 | Air-conditioning unit without air-mix door An air conditioner for automotive vehicles is disclosed. The flow rates of air supplied to an evaporator (4) and a heater (5) are adjusted by rotationally displacing a scroll casing (2b) and thus changing an air flow from a blower (2 | 04/10/2007 |
| 7201556 | Displacement casing A rotor system is provided whereby a rotary assembly such as a fan blade combination in a jet engine is brought into rub contact with a casing such that sensors detect vibration. The casing is then retreated in order to open the gap to a desired value for engine per... | 04/10/2007 |
| 7156614 | Centrifugal pump with multiple inlets A centrifugal pump assembly that includes an inlet housing that defines a inlet chamber and at least one inlet port in fluid communication with the inlet chamber. A volute forming part of the assembly defines an outlet port. An impeller is mounted for rotation at le... | 01/02/2007 |
| 7156616 | Combinative standing fan A combinative standing fan includes a vertical shaft fan, a first, and a second tubular cover. The first and the second tubular cover respectively consist of a front half cover and a rear half cove. The front half covers of the two tubular covers are provided with p... | 01/02/2007 |
| 7140832 | Method and system for rotating a turbine stator ring A method for distributing effects of a circumferential hot streak condition in a turbine includes communicating a control signal to a rotator moving a stator ring with the rotator in response to the control signal. ... | 11/28/2006 |
| 7128525 | Air pump An air pump has a casing, a motor assembly, a fan assembly, a faceplate and a sliding valve assembly. The motor assembly is mounted in the casing and has a motor. The fan assembly has a fan housing, an inlet manifold, an inlet plate and a centrifugal impeller. The c... | 10/31/2006 |
| 7123484 | Multi-layer and multi-direction fan device A multi-layer and multi-direction radial fan device is disclosed, comprising an upper cover, a tower fan body, a cavity partition and a lower cover. The tower fan body is located in the upper cover, and the tower fan body comprises a first fan layer and a second fan... | 10/17/2006 |
| 7117983 | Support apparatus and method for ceramic matrix composite turbine bucket shroud A shroud support apparatus for a ceramic component of a gas turbine having: an outer shroud block having a coupling to a casing of the gas turbine; a spring mass damper attached to the outer shroud block and including a spring biased piston extending through said ou... | 10/10/2006 |
| 7114920 | Shroud and vane segments having edge notches Random air flow leakage between a shroud assembly and a stator vane assembly into the gas path of a gas turbine engine due to manufacturing tolerance stack-up is reduced by providing notches to inhibit interference caused by misalignment and/or mismatch of adjacent ... | 10/03/2006 |
| 7101146 | Split vane flow blocker A gas path flow blocker comprising a plurality of vanes each comprising a forward portion and an aft portion defining a plurality of gas paths, a forward ring comprising a central axis about which is circumferentially disposed the plurality of forward portions, and ... | 09/05/2006 |
| 7097421 | Vernier duct blocker A vernier duct blocker comprising a plurality of vanes each having a width and comprising a forward portion and an aft portion defining a plurality of gas paths each of the plurality of vanes being separated by a plurality of widths, and a rotatably movable ring int... | 08/29/2006 |
| 7079957 | Method and system for active tip clearance control in turbines A system for controlling blade tip clearance in a turbine. The system includes a stator including a shroud having a plurality of shroud segments and a rotor including a blade rotatable within the shroud. An actuator assembly is positioned radially around the shroud ... | 07/18/2006 |
| 7059826 | Multi-directional air circulating fan A multi-directional air circulation device for use in a living space. The multi-directional air circulation device comprises a first housing having i) a first wall portion defining a first interior space, ii) a first air outlet, and iii) a first air directing grill ... | 06/13/2006 |
| 7029391 | Blower unit and air conditioning unit including the same and method of controlling the same A blower unit of an air conditioning unit including a scroll casing including a first engaging portion, a fan casing including a first engaging portion, and a controller for controlling an electric motor to move at least one of the scroll casing and the fan casing s... | 04/18/2006 |
| 6953322 | Tower fan assembly A fan assembly has a base portion that remains stationary during the operation of the fan assembly, the base portion having a stationary base support plate. The assembly also includes a blower portion that includes an oscillating top plate, a blower that is coupled ... | 10/11/2005 |
| 6923617 | Bidirectional hydraulic pump Bidirectional hydraulic pump that comprises a hydraulic body (1) comprising an inlet port (2) from which receives a water flow, a first outlet port (3) and a second outlet port (4); an impeller housed in said hydraulic body (1), wh... | 08/02/2005 |
| 6913441 | Turbine blade ring assembly and clocking method Aspects of the invention relate to a method for clocking a row of stationary airfoils relative to an adjacent row of airfoils, and a turbine blade ring configured for use in such a method. The method according to aspects of the invention is advantageous because it c... | 07/05/2005 |
| 6174129 | Turbine vane clocking mechanism and method of assembling a turbine having such a mechanism A turbo-machine having a means for attaching the blade ring to the casing at a plurality of alternative radial positions to provide for a plurality of alternative clocking angles for a stage of stationary airfoils. The blade ring is provided with a plural... | 01/16/2001 |
| 6152685 | Seal active clearance control system for gas turbine stationary blade A clearance control system for a turbine seal optimizes a clearance by controlling the change in the clearance during a run due to a thermal elongation by cooling the sealing air. The air from a compressor is cooled by a cooler 12 and is guided via an out... | 11/28/2000 |
| 6123503 | Dryer nozzle assembly A blower/dryer assembly of the type comprising an electric motor, an impeller attached to the output shaft of the motor to be driven thereby, a molded plastic toroidal housing surrounding the impeller and a discharge nozzle attached to the impeller housin... | 09/26/2000 |
| 6106225 | Submersible fountain pump design A pump (10, 30) is disclosed which has an intake (16). A rotatable volute (22) can be positioned at least two different positions on the housing (12) of the pump so that the inlet can be at the top of the pump or at the bottom of the pump for use in dirty... | 08/22/2000 |
| 5961285 | Method and apparatus for removing bottom dross from molten zinc during galvannealing or galvanizing An apparatus for removing bottom dross from molten zinc contained in a coating pot includes a pump, a traversing carriage for positioning the inlet of the pump in a desired horizontal location and a slide mechanism for positioning the inlet of the pump in... | 10/05/1999 |
| 5266004 | Blower A blower having a base, a main body which has an air inlet opening and an air blowing opening and which is rotatably mounted on a base, a fan disposed in the main body to make air entering the main body through the air inlet opening flow out of the main b... | 11/30/1993 |
| 5240371 | Multiple disc fan with rotatable casing A fan has a casing (1) having walls defining a flow duct which accommodates a multiple-disc rotor (1) mounted for rotation about the axis (3) thereof. The flow duct also accommodates baffles provided on opposite sides of the rotor (1) to extend along its ... | 08/31/1993 |
| 5096375 | Radial adjustment mechanism for blade tip clearance control apparatus A mechanical clearance control apparatus operable for controlling the clearance between the rotor blade tips and the casing shroud of a gas turbine engine employs a radial adjustment mechanism. The adjustment mechanism includes an externally threaded holl... | 03/17/1992 |
| 5056986 | Inner cylinder axial positioning system A positioning system for a steam turbine element includes a plurality of flex plates which support an inner cylinder of a steam turbine element with the rotating blades of a rotor and the stationary blades of the inner cylinder at a predetermined position... | 10/15/1991 |
| 5049033 | Blade tip clearance control apparatus using cam-actuated shroud segment positioning mechanism A clearance control apparatus has a positioning mechanism for controlling clearance between rotor blade tips and a shroud segment of a gas turbine engine casing, and a rotatable lever for actuating the mechanism. The positioning mechanism is supported by ... | 09/17/1991 |
| 5018942 | Mechanical blade tip clearance control apparatus for a gas turbine engine A gear-actuated mechanical clearance control apparatus is operable for controlling the clearance between rotor blade tips and the casing shroud of a gas turbine engine. The apparatus includes a pair of annular rings which extend about the casing shroud, a... | 05/28/1991 |
| 4916832 | Device for reversing an air flow in a drying chamber Device for reversing an air flow in a drying chamber in which the air flow is created by at least one blower. A drum, rotatable about its longitudinal shaft is arranged about the blower or blowers. The drum has apertures on its casing surface to provide a... | 04/17/1990 |
| 4844688 | Gas turbine engine control system The high pressure turbine of a gas turbine engine is provided with an annular array of aerofoil rotor blades which are surrounded by a shroud. The shroud is mounted on a tubular diaphragm which is deflected by pressure modulation to vary the effective dia... | 07/04/1989 |
| 4785624 | Turbine engine blade variable cooling means A turbine engine, having a cooling passage diverting a part of the airflow from the turbine compressor for impingement upon the turbine blades, includes a concentric pair of apertured rings disposed in the passage for variably obstructing flow through the... | 11/22/1988 |
| 4781527 | Cartridge pump A cartridge or plug-in pump for use in a fluid holding receptacle such as an aircraft fuel tank. A pump housing on the fluid holding receptacle has an inlet opening to allow passage of fluid from the receptacle into the pump housing. A plug-in pump assemb... | 11/01/1988 |
| 4773817 | Labyrinth seal adjustment device for incorporation in a turbomachine The adjustment of clearances at the time of assembly and subsequently during operation of a labyrinth seal lying between the rotor and stator of a turbomachine is effected by radial displacements of a bush radially rigid with an outer pivot pin of each bl... | 09/27/1988 |
