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| Number | Title | Issue Date |
| 8047767 | High pressure first stage turbine and seal assembly A high pressure first stage turbine and seal assembly are described. In one embodiment, a high pressure turbine section is provided. The turbine section includes at least one stage, at least one rotor and a bucket assembly. The bucket assembly includes a bucket and ... | 11/01/2011 |
| 7357618 | Flow splitter for steam turbines A flow splitter directs inlet steam in axially opposite directions in a double flow steam turbine. The flow splitter includes a main ring having a radially outer apex with annular concave surfaces extending inwardly from and in opposite axial directions on opposite ... | 04/15/2008 |
| 7322789 | Methods and apparatus for channeling steam flow to turbines Method and apparatus for assembling a double flow steam turbine is provided. The method comprises providing an annular member having a first end, a second end, and a body extending therebetween, coupling a first arcuate member to the annular member wherein the first... | 01/29/2008 |
| 7018171 | Blower with double inlet wheel A blower having an enclosure having side walls defining an internal chamber, an open end comprising a first inlet, a second inlet and an outlet. A flow separator plate extends across the internal chamber between the side walls defining a first scroll duct and a seco... | 03/28/2006 |
| 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 |
| 6942446 | Feed pump The invention relates to a feed pump (2) that is configured as a side-channel pump with a plurality of identically designed feed chambers (6, 7) with outlet channels (22, 23) that are disposed opposite one another, thereby eliminating the radial... | 09/13/2005 |
| 6896478 | Dual fan blower with axial expansion A dual fan blower module of the present invention includes a housing defining a central motor compartment and first and second scroll chambers. The scroll chambers are axially aligned with and located on opposite sides of the motor compartment. A motor is mounted wi... | 05/24/2005 |
| 6854954 | Methods and apparatus for assembling turbine engines A method for assembling a power system is provided. The method includes coupling a first turbine and second turbine together with a coupling that extends between a first rotor of a first turbine and a second rotor of the second turbine, and such that the first turbi... | 02/15/2005 |
| 6783321 | Diffusing coupling cover for axially joined turbines The shafts of upstream and downstream turbines are interconnected by a coupling. A diffuser is provided in an intermediate cavity between the upstream and downstream turbines to recover kinetic energy, as well as minimize or eliminate windage and spinning losses res... | 08/31/2004 |
| 6733230 | Low noise impeller pumps An impeller pump has a pump casing (6) that defines a pump chamber. The pump chamber includes a first chamber (21) and a second chamber (22). An impeller (10) is rotatably disposed within the pump chamber. The impeller has a first groove ... | 05/11/2004 |
| 6530743 | Heat transfer fan Herein presented is a unique device for energy recovery. The centrifugal fan blades assembly of the device provides both the counter flow of air streams and the transfer of energy between the air streams. All the components of the device, the fan blades a... | 03/11/2003 |
| 6422838 | Two-stage, permanent-magnet, integral disk-motor pump A two-stage, permanent-magnet, integral disk-motor centrifugal pump, has a housing having first and second suction ports and first and second discharge ports, the first discharge port being connected to the second suction port. A first impeller is rotatab... | 07/23/2002 |
| 6309179 | Hydro turbine A hydro turbine has a housing with a cylindrical chamber and opposed end walls with laterally spaced smaller rectangular inlets and laterally spaced larger rectangular outlets formed in upper and lower portions of the chamber side wall in horizontally opp... | 10/30/2001 |
| 6224334 | Steam turbine, rotor shaft thereof, and heat resisting steel A steam turbine comprising a rotor shaft integrating high and low pressure portions provided with blades at the final stage thereof having a length not less than 30 inches, wherein a steam temperature at first stage blades is 530° C., a ratio (L/D) of a ... | 05/01/2001 |
| 6102654 | Turbomachine and method for cooling a turbomachine A turbomachine, especially a steam turbine, includes a casing, an inflow region formed at least in part by the casing for guiding working fluid, a feed for a cooling fluid, a rotating-blade carrier disposed in the casing and extending along a principal ax... | 08/15/2000 |
| 6077033 | Portable air-blowing working machine A portable air-blowing working machine includes a prime mover and an air-blowing system. The air-blowing system incorporates first-stage and second-stage centrifugal air-blowing sections, which are rotatably driven by an output shaft of the prime mover an... | 06/20/2000 |
| 6004093 | Portable air-blowing working machine A portable air-blowing working machine includes a prime mover and an air-blowing system. The air-blowing system incorporates first-stage and second-stage centrifugal air-blowing sections, which are rotatably driven by an output shaft of a prime mover and ... | 12/21/1999 |
| 5584174 | Power turbine flywheel assembly for a dual shaft turbine engine A power turbine/flywheel assembly for use in a dual shaft turbine engine having a compressor and a gasifier coupled to a first shaft. The assembly includes a second shaft that is uncoupled from the first shaft and is allowed to rotate independently of the... | 12/17/1996 |
| 5062778 | Helical blade type compressor with thrust loss compensation A piston is eccentrically arranged in a cylinder along its axial direction and can be rotated relative to the cylinder. Part of the piston is in contact with the cylinder's inner surface. First and second helical grooves are formed in the piston's outer s... | 11/05/1991 |
| 4986732 | Steam turbine crossover piping with reduced turning losses In a steam turbine having a first turbine element adapted to receive a flow of steam for operating at a first predetermined pressure, the first turbine element including an exhaust protion, a second turbine element adapted to receive the flow of steam for... | 01/22/1991 |
| 4958985 | Performance low pressure end blading A method for optimizing thermodynamic performance of a steam turbine by matching a last stage blade flow area to condenser pressure by adjusting blade angular orientation to set gaging to an optimum value. The method is also used to correct incidence by s... | 09/25/1990 |
| 4955789 | Duplex turbine replacement unit and method A duplex turbine replacement unit to up-grade an obsolete or worn out quad turbine unit and thereby obtain enhanced power plant operational and output efficiencies, while at the same time providing a turbine profile and method of installation wherein the ... | 09/11/1990 |
| 4948333 | Axial-flow turbine with a radial/axial first stage In an axial-flow turbine consisting essentially of an outer casing, an inner casing with a preferably integrated vane carrier (5) and a rotor (3) fitted with rotor blades (6), the first stage is designed as a radial/axial stage. It is supplied with workin... | 08/14/1990 |
| 4826395 | Turbine inlet flow deflector and sealing system A steam turbine having a seal, connected between the annular rows of stationary blades positioned proximate the turbine inlet, for preventing the circumvention of the flow of steam from the desired flow path and for preventing the transfer of thermal load... | 05/02/1989 |
| 4780922 | High power fluid driven rotary brush and waterwheel A fluid drive assembly for a rotary brush. A fluid inlet and a nozzle are included for dispensing fluid. A waterwheel is mounted for rotation about an axis. A rotary brush rotating means is rotatably driven by the waterwheel. The waterwheel has a series o... | 11/01/1988 |
| 4764084 | Inlet flow guide for a low pressure turbine The inlet flow guide includes a generally cylindrical shroud plate, a generally cylindrical bridge piece, elongated attachment members, biasing members and sealing members. The shroud plate is in confronting cylindrical sections, is adapted to be attached... | 08/16/1988 |
| 4666369 | Apparatus for sealing joints of a steam turbine shell Apparatus for sealing a joint between two components of a fluid turbine comprises a member having a surface contour conforming to at least a portion of a first mateable surface of one component, a biasing element for urging the member against the first ma... | 05/19/1987 |
| 4624110 | Fluid powered turbine A turbine/power transmission system using pressure fluid, i.e., steam to selectively drive one of a plurality of turbine wheels depending upon the power/torque output and rotary direction required of an output shaft.... | 11/25/1986 |
| 4557113 | Single low pressure turbine with zoned condenser A low pressure double flow stream turbine is connected to a condenser and partition plates are disposed within the condenser and turbine to flow to two separate chambers and cooling water flows in series through tubes in the separate chambers producing di... | 12/10/1985 |
| 4406583 | Centrifugal pump with double volute casing A centrifugal pump comprises a casing which has two volutes disposed substantially diametrically opposite each other in such a way that the end of the first volute is adjacent to the start of the second volute. The outer diameter of the casing approximate... | 09/27/1983 |
| 4383800 | Centrifugal pump with open double volute casing The double volute casing of a centrifugal pump has a main portion which has first and second volutes extending along arcs of not more than 180 degrees. The outer diameter of the main portion equals or approximates the outer diameter of the end of the firs... | 05/17/1983 |
| 4215976 | Turbine-impeller pump for use in geothermal energy recovery systems A turbine impeller pump particularly for use in a geothermal pumping system has a casing with a hollow cylindrical stator or axle fixedly connected in the longitudinal axis thereof which stator or axle defines a flow passage for motive fluid and enables a... | 08/05/1980 |
| 4191505 | Wind wheel electric power generator Wind wheel electric power generator apparatus is disclosed as including a housing rotatably mounted upon a vertically disposed support column. Primary and auxiliary funnel-type, venturi ducts are fixedly mounted upon the housing for capturing wind current... | 03/04/1980 |
| 4102597 | Ventilating suction and exhaust fan device of plate type A ventilating suction and exhaust fan device of Plate type comprising a casing of cylindrical shape, a partition plate mounted within the casing and extending in a horizontal plane passing through a central axis of the casing and having a rectangular open... | 07/25/1978 |
| 4102596 | Ventilating suction and exhaust fan device of sirocco type A ventilating suction and exhaust fan device of Sirocco type comprising a casing of cylindrical shape, a partition plate mounted within the casing and extending in a horizontal plane passing through a central axis of the casing and having a rectangular op... | 07/25/1978 |
| 4057369 | Vacuum pump having a rotor supported in the interior of its casing The present invention relates to magnetic support of the rotor structure in vacuum pumps, particularly turbomolecular pumps. This magnetic support eliminates the requirements for bearing lubricants, and the consequent degradation of the vacuum to be produ... | 11/08/1977 |
| 4029432 | Thermal turbomachine A thermal turbomachine such as an axial flow steam turbine of the center intake opposite flow type includes an intake duct surrounding the rotor and which is delimited by a portion of the internal surface of an inner housing surrounding the rotor and by t... | 06/14/1977 |
| 4027998 | Fixing arrangement for a guide part of a fixed casing on a rotating machine A fixing arrangement for a guide part of a fixed casing on a rotating mace whose rotor is supported by a concrete beam, is characterized in that the guide part is fixed to a plate applied against a lateral wall of the beam and is integral with trusses su... | 06/07/1977 |
| 3982849 | Low pressure steam turbine construction A low pressure multi-stage axial flow steam turbine comprises an outer housing and an inner housing structure constituting a carrier for the rows of guide blading of the various stages. A steam inflow housing located within the inner housing structure for... | 09/28/1976 |
| 3973404 | Low pressure turbine installation Low pressure turbine installation comprising a casing, at least two groups of turbine stages mounted in said casing, each turbine stage having blades so arranged that a flow of steam passes through the respective turbine stages in contraflow manner, parti... | 08/10/1976 |
