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Magician Harry Houdini patented a "Diver's Suit" enabling the wearer to "quickly divest himself of the suit while being submerged and to safely escape and reach the surface of the water."
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| Number | Title | Issue Date |
| 4428713 | Turbine A turbine suitable for a gas turbine engine is provided with a bearing support member which is interconnected with the turbine casing by means of an annular array of aerofoil guide vanes. The whole assembly of support member and aerofoil guide vanes is ma... | 01/31/1984 |
| 4427337 | Bearing for liquid metal pump A liquid metal pump bearing support comprises a series of tangentially oriented spokes that connect the bearing cylinder to the pump internals structure. The spokes may be arranged in a plurality of planes extending from the bearing cylinder to the pump i... | 01/24/1984 |
| 4417850 | Vertical column pump A vertical column hydraulic pump is disclosed having an impeller secured to a vertical rotary shaft within a water passageway. A diffuser surrounds the shaft adjacent the impeller. The pump is provided with a first bearing surrounding the shaft adjacent t... | 11/29/1983 |
| 4369016 | Turbine intermediate case A turbine intermediate case in which the outer case element carries a series of inwardly extending struts that position the bearing support centrally within the outer case element and these struts support the inner case element within and in spaced relati... | 01/18/1983 |
| 4362463 | Movable blade pump A movable blade pump including an actuating mechanism for imparting rotational movement to blades which mechanism is contained in an impeller boss sealed against the outside and filled with hydraulic fluid and is driven by a hydraulic cylinder device secu... | 12/07/1982 |
| 4340334 | Turbodrill with rubber rotor bearings A turbodrill which is connected to a string of drill pipe as a rotating shaft for driving a drill bit which may be a rotary bit or a high speed solid head diamond bit. The turbine section has rotor and stator blades which are cresent shaped in cross secti... | 07/20/1982 |
| 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 |
| 4321007 | Outer case cooling for a turbine intermediate case A turbine intermediate case in which a turbine bearing support and an inner case are supported centrally within an outer case by radially inward extending hollow struts. An inner case carrying a diaphragm and seals which defines a vent cavity surrounding ... | 03/23/1982 |
| 4319142 | Power generation unit for spillway gate structures A hydraulic turbine with water passageways and powerhouse for installation at a conventional spillway with gates includes a fabricated steel water passageway and cross beams which also serves as the lateral support between lifting devices which are operab... | 03/09/1982 |
| 4307857 | Ducted fan unit A ducted fan unit is installed in a scale model airplane the unit being positioned centrally within the hollowed fuselage, and including an engine, with fan assembled thereto, secured to an aerodynamically sleek mounting bracket, the mounting bracket is s... | 12/29/1981 |
| 4304522 | Turbine bearing support A gas turbine engine comprising an annular casing and a bearing housing located concentrically with the casing and in spaced relation thereto. An annular exhaust gas duct is formed between the bearing housing and the outer annular casing. The bearing hous... | 12/08/1981 |
| 4289971 | Electric power generation equipment incorporating bulb turbine-generator A hydroelectric power generator having a bulb turbine generator housed in a bulb shaped inner casing. The turbine runner of the generator is connected to a main shaft of the electric power generator. The outer casing is coupled to the inner casing by stay... | 09/15/1981 |
| 4288202 | Fan having internal polyhedral strut frame Several embodiments of high efficiency fans having lightweight housings supported and interconnected with their impellers by star-shaped frames disposed inside the fans, or in other words inside the areas defined by the fan housings, are illustrated herei... | 09/08/1981 |
| 4275989 | Reversible pump-turbine A reversible pump-turbine associated with a fluidic flow directing means defined as a water passageway includes shiftable body component selective displaceable to achieve alternatively, either an energy generation or an energy accumulation mode. One or mo... | 06/30/1981 |
| 4212595 | Air pump with primary and secondary inlet flow channels An air pump useful in pumping gases containing abrasive particles is disclosed. A housing is constructed with a primary flow channel centered around the pump axis and a secondary flow channel annularly surrounding the primary channel just inside the outer... | 07/15/1980 |
| 4211514 | Mixed flow fan A mixed flow fan is described having inlet guide vanes which impose on air entering the fan a swirl in a direction opposite to the fan's rotation. The application of such a fan to automotive cooling is described.... | 07/08/1980 |
| 4204810 | Bi-directional pump A bi-directional pump having a pump housing, an inlet communicating with one end of the housing, an outlet communicating with the other end of the housing, an impeller within the housing adjacent the inlet, a baffle plate within the housing adjacent the o... | 05/27/1980 |
| 4197702 | Rotor support structure for a gas turbine engine A rotor support structure for a gas turbine engine comprises a rolling element bearing adapted to carry the rotor, a structurally strong ring adapted to carry the rolling element bearing, and two pairs of supporting struts for the ring, extending substant... | 04/15/1980 |
| 4191504 | Duct-mounted turbine and method of installing the same An annular inner vane cover is axially spaced from a rotatably mounted runner and has first and second flanges. An annular water guide is disposed between said runner and said inner vane cover and has a third flange, which is jointed to said first flange.... | 03/04/1980 |
| 4165467 | Dam with transformable hydroelectric station Transformable hydroelectric station for a water storing dam, having means for alternatively permitting incorporation and positioning of selected ones of a plurality of hydroelectric assemblies each comprising a machine individually designed to be fitted a... | 08/21/1979 |
| 4151970 | Mounting of tubular turbines This invention relates to a mounting structure for a tubular turbine having a horizontal or slightly inclined machine axis, particularly a Kaplan-type tubular turbine, and whose supporting forces act at a right angle to the duct wall of said turbine, on o... | 05/01/1979 |
| 4076452 | Gas turbine plant A stationary gas turbine plant in which a bearing for the bladed rotor is located at the exhaust end of the casing where the flow passage for the exhaust gas merges into an annular diffusor ring surrounding the bearing housing and which is established by ... | 02/28/1978 |
| 4034560 | Centrifugal flow gas turbine engine with annular combustor A small gas turbine engine having a small, high speed shaft assembly including a central shaft member, a radial outflow compressor rotor secured to one end of the central shaft member with its inlet end disposed outboard of the shaft assembly, and a radia... | 07/12/1977 |
| 3999885 | Turbine meter spider lock The rotor of a turbine meter is supported in the bore of its housing between a pair of spiders. One vane of each spider has structure with which it engages grooves in the bore wall to lock the spider in place within the bore.... | 12/28/1976 |
| 3995970 | Axial-flow fan An axial-flow fan characterized in that supporter blades provided at the upper stream of actuator blades are inclined at the upper stream side of air current from the center toward the tip and, at the same time inclined at a certain angle in the periphera... | 12/07/1976 |
| 3957402 | Dewatering pump assembly having a heat exchanger A dewatering pump assembly for water pumping apparatus for pumping water from excavations or other holes in the ground and upwardly to a more or less remote discharge area. The apparatus finds particular utility for use, for example, by contractors, utili... | 05/18/1976 |
