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"I watched his countenance closely, to see if he was not deranged ... and I was assured by other senators after he left the room that they had no confidence in it."
U.S. Senator Smith of Indiana ; After seeing Samuel Morse demonstrate the telegraph.
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| Number | Title | Issue Date |
| 8177501 | Stator casing having improved running clearances under thermal load A turbine power generation system, comprising a stator including a shroud and a rotor rotatably situated within the shroud, wherein the shroud is structured such that the inner diameter of the inner surface of the shroud reduces when the inner surface is exposed to ... | 05/15/2012 |
| 8167551 | Gas turbine engine with 2.5 bleed duct core case section A core case section for a gas turbine engine a multitude of discreet radial extending 2.5 bleed ducts defined in part by a rear structural wall. ... | 05/01/2012 |
| 8105027 | Housing for axial-flow fan A housing for an axial-flow fan includes a frame, a seat and a plurality of stationary blades. The frame has an air inlet and an air outlet. The seat is received in the frame and at a position where the air outlet is formed. Two ends of each stationary blade are res... | 01/31/2012 |
| 8100643 | Centrifugal compressor vane diffuser wall contouring Diffusion in the vane island passages of a centrifugal compressor diffuser is in part controlled by contouring the diffuser passage wall with low profile surface variations. The surface variations can be provided in the form of flow boundary disrupting protrusions d... | 01/24/2012 |
| 8096760 | Centrifugal air blower A centrifugal air blower guides returning air from a fan rotated by a rotational drive source out of interference with air delivered by a fan. The centrifugal air blower includes a rotational drive source having a rotational drive shaft, a housing including a holder... | 01/17/2012 |
| 8052384 | Centrifugal pump with segmented diffuser A centrifugal pump with a volute and at least one stage with an associated impeller and removable diffuser assembly comprises: multiple diffuser segments, each diffuser segment comprising a central passage from an inner curvilinear surface to an outer curvilinear su... | 11/08/2011 |
| 7950900 | Aerofoil stage and seal for use therein A stage for a gas turbine engine, having a plurality of circumferentially spaced apart radially extending aerofoils, includes a plurality of annulus fillers to bridge the spaces between adjacent aerofoils to define an inner wall of a flow annulus through the stage. ... | 05/31/2011 |
| 7717672 | Radial vaned diffusion system with integral service routings A radial diffuser comprises a housing, a plurality of diffuser vanes, and a plurality of integral service vanes. The housing includes an air inlet and an air outlet, and defines a radial section extending radially outward from the air inlet, an axial section extendi... | 05/18/2010 |
| 7682131 | Impeller baffle with air cavity deswirlers A gas turbine engine includes a high-pressure compressor having an impeller and an impeller baffle having a generally annular body, the impeller baffle spaced apart from a back face of an impeller to create an airspace therebetween, the airspace communicating betwee... | 03/23/2010 |
| 7661927 | Serial fan with toothed-type connecting elements A serial fan of the present invention includes a first fan and a second fan, each of which includes a housing and an impeller disposed in the housing. The housings respectively include a plurality of connecting elements, and there are several air-guiding recesses de... | 02/16/2010 |
| 7654793 | Fan shroud supports which increase resonant frequency A support system for a motor within a fan shroud. Struts extending from the shroud to the motor support the motor. The struts are arranged in groups, which are spaced from adjacent groups, and each group contains a non-radial strut. ... | 02/02/2010 |
| 7618236 | Fan and fan housing with toothed-type connecting elements A fan of the present invention includes a fan housing and an impeller disposed in the fan housing. The fan housing includes a plurality of connecting elements at its air outlet. Each connecting element includes a plurality of air-guiding teeth thereon, which can gui... | 11/17/2009 |
| 7604458 | Axial flow pump and diagonal flow pump The guide vanes comprise two kinds of guide vanes which are alternately placed in the circumferential direction of a shroud. One kind of the guide vanes have a longer length than the other kind of the guide vanes, in the region which is close to the surface of the h... | 10/20/2009 |
| 7431558 | Air intake An air intake with at least one inlet port area and one outlet port area, in which there is arranged at least one structure which may be flowed through and around, comprises an opening and modifies the clear cross-section only slightly, in particular serving as a fr... | 10/07/2008 |
| 7416386 | Heat dissipation apparatus A heat dissipation apparatus. A fan frame includes an air inlet, an air outlet, a passage, and a curved expansion portion. The air inlet is opposite the air outlet. The passage is between the air inlet and the air outlet, guiding airflow from the air inlet to the ai... | 08/26/2008 |
| 7364399 | Wind power plant of cyclone type and method of obtaining energy from such A wind power plant having a tower open at the top and provided with a side inlet for the wind for generating a cyclone in the tower and a substantially horizontal turbine that has inlets through the base and an outlet to the center of the cyclone in the tower and th... | 04/29/2008 |
| 7342784 | Cooling method and device for an electronic component A cooling device for electronic components has a main body, a motor, an adaptor tube, a shaft, a valve assembly, a reservoir, and a delivery tube. The motor is mounted in the main body. The adaptor tube is mounted between the main body and the reservoir and is gradu... | 03/11/2008 |
| 7331752 | Method of conversion of continuous medium flow energy and device for conversion of continuous medium flow energy A device and method for conversion of the energy of medium flows are provided. The proposed device and method ensure suppression of the vortex streams in the flow on the leg of its motion along the radially converging trajectories and concentration of the flow energ... | 02/19/2008 |
| 7329091 | Heat dissipation fans and housings therefor A heat dissipation fan and a housing thereof. The heat dissipation fan includes a housing and a plurality of blades. The housing includes an outer frame, a base, and a plurality of air-guiding elements. The base is disposed in the outer frame, supporting the blades ... | 02/12/2008 |
| 7329098 | Adjustable support bar with adjustable shim design for steam turbine diaphragms A support arrangement for a turbine diaphragm segment in a split turbine casing includes a semi-annular diaphragm segment having a horizontal joint surface; a support bar joined to the diaphragm segment adjacent the horizontal joint surface, the support bar formed w... | 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 |
| 7284948 | Turbine with tube arrangement and method of preventing detachment of a fluid flow Turbine system including a turbine and a tubular arrangement having an exit opening. The tubular arrangement is arranged on a downstream side of the turbine. At least one flow controlling device at least partially prevents a fluid flow through the tubular arrangemen... | 10/23/2007 |
| 7278821 | Methods and apparatus for assembling gas turbine engines A gas turbine engine compressor including a stator assembly and a method of assembling the same are provided. The method includes providing a compressor casing including at least two stator vane casing rails extending from the casing, coupling a rail liner within ea... | 10/09/2007 |
| 7275910 | Outlet airflow direction control unit An outlet airflow direction control unit mainly includes a frame and a fan mounted in the frame. The frame has an inlet and an outlet via which an amount of fluid flows into and out of the frame, and is internally provided at predetermined positions with a plurality... | 10/02/2007 |
| 7275107 | System and method for determining a world wide name for use with a host for enabling communication with a data storage system without requiring that the host and data storage system be in communication during the determination The present invention is a system, method, apparatus and architecture for determining a world wide name for enabling a host computer to communicate with a data storage system and the determination is performed without need for the data storage system to be in commun... | 09/25/2007 |
| RE39774 | Fan guard structure for additional supercharging function A fan guard has a function of supercharging a fan in addition to supporting a rotor device is disclosed. The fan guard is to be mounted beside the rotor device for supporting the rotor device, and additionally, the fan guard interacts with an airflow generated by th... | 08/14/2007 |
| 7238004 | Serial fan with a plurality of rotor vanes A serial fan includes a frame, a plurality of rotor vanes, at least one motor for driving the rotor vanes and a support connected to the frame through a plurality of connecting parts for receiving the at least one motor. The plurality of rotor vanes are arranged in ... | 07/03/2007 |
| 7234919 | Heat-dissipating fan A heat-dissipating fan with a plurality of upward rotor blades is provided. The heat-dissipating fan includes a housing, an impeller having a hub and a plurality of rotor blades disposed around the hub, and a base disposed inside the housing for supporting the impel... | 06/26/2007 |
| 7229248 | Blade structure in a gas turbine In the blade structure in a gas turbine, front-edge including angles are made large. As a result, a curve of a relative relationship between incidence angles ic1 and is1 and pressure loss becomes mild. Entrance metal angles are made small. As a result,... | 06/12/2007 |
| 7220102 | Guide blade of axial-flow fan shroud Guide blades of an axial flow fan shroud for guiding the air blown by an axial flow fan in an axial direction. A guide blade of an axial flow fan shroud has a leading edge for introducing the air blown by an axial flow fan including a plurality of blades; a trailing... | 05/22/2007 |
| 7201563 | Louvered fan grille for a shrouded floor drying fan A method and apparatus for drying floors and carpets using a louvered grille with a shrouded floor drying fan for generating a pressurized air stream within a vertical cylindrical shroud that is spaced two to five inches away from the floor on a set of legs such tha... | 04/10/2007 |
| 7195456 | Turbine engine guide vane and arrays thereof An exit guide vane array for a turbine engine includes a set of guide vanes 28 having a solidity and defining fluid flow passages 74 with a chordwisely converging forward portion 80. The high solidity and convergent passage portion 80 res... | 03/27/2007 |
| 7189055 | Coverplate deflectors for redirecting a fluid flow A deflector arrangement is provided for improving turbine efficiency by imparting added tangential velocity to a leakage flow entering the working fluid flowpath of a gas turbine engine. ... | 03/13/2007 |
| 7186080 | Fan inlet and housing for a centrifugal blower whose impeller has forward curved fan blades A centrifugal blower with forward curved fan blades includes an inlet shroud whose shape is specifically designed for creating a smooth incoming airflow pattern that leads into the inner leading edges of the fan blades. The inlet shroud has first and second curved s... | 03/06/2007 |
| 7175387 | Seal arrangement for reducing the seal gaps within a rotary flow machine A seal arrangement for reducing the seal gaps within a rotary flow machine, preferably an axial turbomachine, has rotor blades and guide vanes, which are respectively arranged in at least one rotor blade row and guide vane row and have respective blade/vane roots ( | 02/13/2007 |
| 7172477 | Safety propeller A safety propeller for a boat motor includes an annular collar having a front opening, a rear opening and a continuous peripheral wall. A plurality of angled, horizontal slits are circumferentially positioned about the peripheral wall to allow water to pass through ... | 02/06/2007 |
| 7172387 | Fan guard for blower unit A fan guard includes a plurality of extending ribs extending from a blocking plate to an outer frame, a plurality of inner ribs arranged between the extending ribs and extending from the blocking plate to the substantial center in the radial direction, and a plurali... | 02/06/2007 |
| 7168918 | High performance cooling fan A cooling fan comprises a rotor configured to generate airflow. The cooling fan further comprises an outlet guide vane adapted to receive the airflow generated by the rotor and to orient the airflow in a substantially axial direction relative to the rotor. The cooli... | 01/30/2007 |
| 7163372 | Diffuser for a motor fan assembly A floor care appliance is provided with a motor-fan assembly that includes a diffuser to improve efficiency but also reduces any resultant noise generated. The diffuser is disc shaped and has a plurality of equi-distant spaced vanes around the periphery. The vanes i... | 01/16/2007 |
| 7156611 | Counterrotating axial blower An axial-flow fan with double impellers is provided that can produce a larger amount of air and a higher static pressure than can be achieved with conventional fans. The axial-flow fan with double impellers has a first axial-flow fan unit and a second axial-flow fan... | 01/02/2007 |
