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| Number | Title | Issue Date |
| 8061985 | Ceiling-embedded ventilation fan A ceiling-embedded ventilation fan includes: a casing provided in a box-shape frame inserted and mounted in a ceiling and having an opening facing an indoor side in a lower face thereof, the casing having a side face formed in a scroll shape and set in a vertical di... | 11/22/2011 |
| 7789623 | Protection arrangement for a wind turbine A protection arrangement for a wind turbine including a tower, a machine nacelle having a yaw drive and a mounting hole into which an upper end of the tower extends, and a rotor having at least one rotor blade and a hub is provided. The protection arrangement includ... | 09/07/2010 |
| 7661928 | Device for rotationally locking a clamping nut for a component on a shaft, clamping nut and shaft comprising it, and aircraft engine equipped therewith The device for rotationally locking a clamping nut for a component on an end of a hollow shaft, said clamping nut being screwed inside said shaft and having a free end, comprising: at least one shaft cutout on the radially inner periphery of said end of the shaft, a... | 02/16/2010 |
| 7404698 | Turbomolecular pump with static charge control The present invention relates to turbomolecular vacuum pumps and an arrangement for reducing or eliminating an accumulated static charge in the rotor caused by an interaction of the rotor with either electrically charged or neutral particles in the pumped media. Ele... | 07/29/2008 |
| 7360993 | Fatigue resistant large hollow rotor blade for underwater energy converter A method and means of counteracting the effects of variation in static pressure acting upon a hollow rotor blade or hydrofoil (6, 7) for devices capable of extracting energy from a moving column (8) of water or other liquid within which the rotor of hy... | 04/22/2008 |
| 7314670 | Welded component A welded component includes at least one high temperature segment of a high alloy Cr steel with high creep strength and a low temperature segment of a low alloy steel with high toughness and/or a high yield strength which are connected materially to one another via ... | 01/01/2008 |
| 7306728 | Rotor and methods of use A shaftless rotor includes at least two recessed portions. The portions are shaped to enable the rotor to rotate by the application of fluid flow to the rotor. The centre of mass of the rotor is substantially at the centre of the volume of space occupied by the roto... | 12/11/2007 |
| 7229061 | Device for fastening a turbocharger A device for fastening a turbocharger to a base, with a fastening foot (12) which is integrally formed in one piece on a gas outlet casing (10) of the turbocharger and which has long holes (16) spaced from one another and preferably arranged in ... | 06/12/2007 |
| 7086824 | Guided fluid driven turbine A guided fluid driven turbine to upgrade the efficiency in converting fluid kinetics into rotation kinetics by having a specific directional guide unit adapted to a fluid driven turbine for the fluid to be guided the open-end, specific directional guide unit extendi... | 08/08/2006 |
| 6910620 | Method for providing turbulation on the inner surface of holes in an article, and related articles A method of providing turbulation on the inner surface of a passage hole (e.g., a turbine cooling hole) is described. The turbulation is first applied to a substrate which can eventually be inserted into the passage hole. The substrate is often a bar or tube, formed... | 06/28/2005 |
| 6494674 | Portable submersible liquid pump attachment A self priming pump attachment for transfer of liquids, such as water, attached to a rotating driving source. The rotating driving source can be a string trimmer, a drill or similar apparatus for creating a "wand" with the pump attachment on the end for p... | 12/17/2002 |
| 6471473 | Marine in bilge blower A marine in line bilge blower and a method of manufacturing same are described. The blower, or fan, includes a housing in which a motor, airfoils, a fan wheel hub, and straightening vanes are positioned. Specifically, numerous airfoils are positioned on a... | 10/29/2002 |
| 5789045 | Microtubes devices based on surface tension and wettability In the present invention, various sizes of non-wetting droplets are inserted into microtube devices of various shapes having therein a gas or wetting fluid which causes the droplets to movement in response to fluid pressure. The droplets may translate wit... | 08/04/1998 |
| 5306401 | Method for drilling cooling holes in turbine blades Standard STEM drilling equipment is utilized to effect the electrochemical removal of material in multiple directions in order to produce cooling holes with turbulator ridges. An initial section of the cooling hole is drilled by displacing the electrode v... | 04/26/1994 |
| 5257905 | Rotor coupling anti-windage apparatus An anti-windage device is provided for use on the couplings formed by mating flanges of rotors for turbomachines, such as steam turbines and the like. The anti-windage device is comprised of upper and lower anti-windage ring segments. The anti-windage rin... | 11/02/1993 |
| 4850794 | Hardfacing technique and improved construction for inlet steam sealing surfaces of steam turbines An improved steam turbine system is provided having a hardfacing disposed on a portion of its steam inlet chamber wear surfaces. The invention also includes a novel stacked ring design having a hardfaced inlet sleeve and stationary, nitride sealing rings ... | 07/25/1989 |
| 4773765 | Blender pump adaptor A pump housing is substituted for the food container of a blender. The blender blades act as a pump impeller and cause liquid to flow from a housing inlet, through the housing, and through a housing outlet. The pump housing therefore modifies a blender in... | 09/27/1988 |
| 4768925 | Support of a fuel pump in a fuel tank of a motor vehicle A support of an intank pump at a pump support, which includes webs of elastic material that extend from the pump to the pump support in a direction deviating at an angle from the radial which is determined by the longitudinal axis of the fuel pump... | 09/06/1988 |
| 4710096 | Fan mounting A fan casing for mounting a plurality of motor/fan units for cooling electronic apparatus mounted in racks or cabinets, the casing comprising two identical planar members to be assembled so that the motor/fan units are sandwiched between the planar member... | 12/01/1987 |
| 4700878 | Soldering apparatus In a soldering apparatus a pump pumps molten solder up into a tube to form a head of molten solder. Solder is fed from the tube through a conduit to a nozzle for a soldering operation. The pump comprises a rotatable shaft extending within the tube and an ... | 10/20/1987 |
| 4684319 | Turbocharger with variable nozzle mechanism A turbocharger with a variable nozzle mechanism for an internal combustion engine in which nozzle vanes rotatably arranged inside of a turbine housing are driven by a disk plate rotatably arranged outside of the turbine housing and a center housing via ro... | 08/04/1987 |
| 4669956 | Multicellular pump with removable cartridge The invention concerns a pump, especially of the multicellular vertical type, in which the hydraulic and mechanical elements are contained within a cartridge that allows an overall intervention upon the pump in order to change the said mechanical and hydr... | 06/02/1987 |
| 4657477 | Portable engine-blower supporting device A portable engine-blower supporting device in which a handle suspending a fan case provided with an engine is always maintained in a horizontal state through adjusting holes.... | 04/14/1987 |
| 4582465 | Blower for air spray massage apparatus A blower for an air spray bath massaging apparatus, which blower is operated by an electric motor and is enclosed in a housing having a suction air fitting and a compressed air fitting. To effectively reduce the suction noise of the blower, the suction ai... | 04/15/1986 |
| 4526510 | Double-walled centrifugal fan scroll and system of operation A hot gas centrifugal fan is constructed with a scroll part comprising spaced-apart walls 16 and 18 to define a hot gas passage 22 therebetween to which hot gas is conveyed when the fan is in a non-operating condition to hold the fan temperature sufficien... | 07/02/1985 |
| 4494450 | Protective cover for an exhaust fan motor A protective cover for an exhaust fan motor or the like actuable to withdraw the same by normally restrained positive pressure from the motor upon the monitoring of hot fumes representing a fire, thereby to expose the motor to a cooling environment little... | 01/22/1985 |
| 4482294 | Power unit for single line pneumatic tube system A pressure-vacuum chamber is mounted in a sheet metal housing having acoustical padding on inner surfaces of walls. The chamber has two vacuum-formed truncated cone members and a longitudinally extending axial partition plate sealingly mounted in inward f... | 11/13/1984 |
| 4465428 | Pipe fitting and method for draining a hydrotherapy pump A pipe fitting for attachment to a hydrotherapy pump has an inlet and outlet having parallel offset axes, with a separate small hollow nipple extending from and communicating with the inlet. The nipple attaches to the pump at a location normally occupied ... | 08/14/1984 |
| 4460312 | Fan unit A fireplace unit provided with a fan below the bottom wall of the fire box for circulating room air around the fire box.... | 07/17/1984 |
| 4435122 | Method and apparatus for pumping fiber suspensions The disclosure describes a method and a device for pumping fiber suspensions of high consistency. Shear forces disrupting fiber flocs are induced near the front edge of the vanes of the impeller in a centrifugal pump which fluidize the fiber suspension he... | 03/06/1984 |
| 4411593 | Rotary type pump resistant to muddy water A rotary type liquid pump of the type used with marine outdoor motors is made resistant to abrasive materials in muddy water which it pumps by providing flexible seals to prevent the water from stealing between the impeller boss and bush, and the drive sh... | 10/25/1983 |
| 4360314 | Liquid metal pump The liquid metal pump comprises floating seal rings and attachment of the pump diffuser to the pump bowl for isolating structural deflections from the pump shaft bearings. The seal rings also eliminate precision machining on large assemblies by eliminatin... | 11/23/1982 |
| 4332518 | Multifunctional tarp rotor strut vanes Presented is a singular device for providing multifunctional means as a fluid impeller or rotor support structure, fluid actuated yaw positioning, and stabilizing means and TARP augmented flow directing or channelling means about a TARP.... | 06/01/1982 |
| 4324527 | Centrifugal pump A centrifugal pump adapted for use in a fermentor is provided. The fermentor includes an outer vessel which has mounted therein a generally centrally located draft tube. A centrifugal pump is mounted adjacent to one end of the draft tube and is operably c... | 04/13/1982 |
| 4288199 | TARP Yaw track means for rotors Yaw track means for fluid impact impellers of a Toroidal Accelerator Rotor Platform (TARP) providing for revolution or yaw motion about a vertical centroidal TARP axis to a plurality of interconnected impact impellers supported and guided on said track me... | 09/08/1981 |
| 4251186 | Device to circulate a fluid in a hollow shaft A device to circulate lubricating oil by radial penetration of the oil into a revolving hollow shaft to lubricate isolated components. The device has a stator and a rotor within a chamber in the stator. Both the stator and rotor are fixed to the shaft. Th... | 02/17/1981 |
| 4059123 | Cleaning and preservation unit for turbine engine A mobile cart-mounted unit for cleaning and preserving turbine engines comprises pressurized reservoirs for holding the solvent, cleaner, preservative and water. Pressurization is achieved by use of an integrally mounted air compressor driven by an intern... | 11/22/1977 |
| 4050846 | Fluid circulating apparatus A fluid circulating apparatus includes a housing which forms a part of an aggregate, for instance a heat exchanger. The housing has an inlet portion for admission of fluid into a first compartment and an outlet port which communicates with a pressure cham... | 09/27/1977 |
| 4032255 | Turbine rotor holding device A rotor fixing device for turbines comprising rotor support means independent of the bearing and including an inner ring member split into at least two sections and formed on its inner peripheral surface with grooves complementary with packing teeth forme... | 06/28/1977 |
| 3942804 | Turbomachine seal In a turbomachine of the type having several sections wherein each section includes a separate hood or casing having a rotor portion therein supported by bearings at each end of the stage or hood, there is provided a stationary to stationary annular seal ... | 03/09/1976 |
