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| Number | Title | Issue Date |
| 7186072 | Recirculation structure for a turbocompressor A recirculation structure for turbo-compressors has an annular chamber that is positioned in the area of the free blade ends of a rotating blade ring and that radially borders the main flow channel, and has a multitude of guide vanes arranged in the annular chamber ... | 03/06/2007 |
| 7077623 | Fluid flow machine with integrated fluid circulation system A fluid-flow machine includes at least one rotor and a free number of stators flown by a fluid, with at least one blade thereof positioned on throat-confining surfaces provided with both a device for fluid removal from the flow path and a device for fluid supply int... | 07/18/2006 |
| 7056103 | Method and apparatus for cooling turbomachinery components An apparatus and method for cooling components associated with turbomachinery by means of one or more venturis placed in the intake flow of air into the compressor with an air inlet upstream of the venturis and an air outlet integral to at least one venturi. The par... | 06/06/2006 |
| 6935833 | Recirculation structure for turbo chargers Recirculation structure for turbocompressors, having a ring chamber which is arranged in the area of the free blade ends of a blade ring largely upstream of the latter and adjoins the main flow duct. A plurality of guiding elements are arranged in the ring chamber d... | 08/30/2005 |
| 6361270 | Centrifugal pump for a gas turbine engine A centrifugal pump for a gas turbine engine, including a housing having a fluid inlet port for receiving fluid at an initial pressure and an interior chamber defining a central axis. An impeller disk disposed within the interior chamber of the housing and... | 03/26/2002 |
| 6152689 | Self-priming type cetrifugal pump The invention provides a self-priming centrifugal pump capable of sucking up and pumping a highly viscous liquid containing muddy substances including a large amount of bubbles, and solid foreign matters, of preventing the flow of the liquid from the side... | 11/28/2000 |
| 6109865 | 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... | 08/29/2000 |
| 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 |
| 5599164 | Centrifugal process pump with booster impeller A centrifugal pump assembly and method of using same including a vertical or horizontal overhung housing assembly having a primary inlet, a primary discharge, a secondary inlet and a secondary discharge. A shaft is in spaced relationship within the overhu... | 02/04/1997 |
| 4932833 | Ring channel blower A ring channel blower for combustion air conveyance in heaters, preferably motor vehicle heaters. With this ring channel blower, there is a gradual transition from the pressure area to the discharge opening of a ring channel that is covered at a side of t... | 06/12/1990 |
| 4781530 | Compressor range improvement means A compressor having either an axial or radial stage adjacent the air inlet includes a circumferential row of slots in the inner casing wall, the slots opening into the casing bore; a rotor having a leading row of compressor blades thereon rotatable within... | 11/01/1988 |
| 4767281 | Centrifugal pump system with inlet reservoir Pump system includes a centrifugal pump having an inlet reservoir connected to the upstream end thereof for initially receiving the vapor/liquid mixture entering the system to allow air or vapor to separate from the liquid. Below the liquid level in the r... | 08/30/1988 |
| 4720235 | Turbine engine with induced pre-swirl at the compressor inlet A jet flap construction for the compressor of an aircraft gas turbine engine provided with a bleed for bleeding air interstage of the compressor and communicating with the hollowed-out struts in the airflow path to the compressor. The hollow struts are ea... | 01/19/1988 |
| 4454935 | Hydrodynamic brake A hydrodynamic brake apparatus having multiple stage rotor and stator assemblies housed within a main body. A shaft is journaled to the main body and connected to the rotors, so that power input to the shaft is dissipated by the reaction of the hydraulic ... | 06/19/1984 |
| 4416582 | Multi-stage turbine rotor A multi-stage turbine has an inflow disc pack that directs motivating fluid to an outflow disc pack on the same shaft. The packs are fitted to rotate between plates that web a turbine casing interior and fluid entry into the casing to the inflow pack is v... | 11/22/1983 |
| 4396347 | Energy saving pump and pumping system A centrifugal pump and a pumping system that recover hydraulic energy in response to flow capacity reduction and spontaneously provide a recirculating flow at low capacities when pump cooling is needed. From a upstream source the fluid is guided by two su... | 08/02/1983 |
| 4256436 | Self-priming pump The invention relates to a self-priming centrifugal pump that consists of at least one fully-loaded pump or turbine stage with a horizontal shaft and one priming or ventilator stage that is fixed to the same shaft outside the main delivery stream, in the ... | 03/17/1981 |
| 4222703 | Turbine engine with induced pre-swirl at compressor inlet A method and apparatus for utilizing bleed air taken interstage from a multi-stage compressor and passing the bleed air through hollow engine support struts in the inlet area of the compressor, the struts being formed such that a jet flap will be provided... | 09/16/1980 |
| 4209282 | Pump assembly A pump assembly for use in fire fighting service is constructed of a single stage main pump and a two stage booster pump connected in series with the discharge of the main pump being connected to a first high flow rate fire fighting application and to the... | 06/24/1980 |
| 4167854 | Torque converter with internally reversible turbine shaft Gearing is normally used to obtain reverse operation from an output turbine. An improvement is provided herein in a torque converter (10) which comprises a stator (12), an impeller (14) and an output turbine (16). The improvement comprises a plurality of ... | 09/18/1979 |
| 3976390 | Means for controlling flow instability in centrifugal compressors A centrifugal air compressor having first and second stages together with means for recirculation, at a predetermined low level of flow, air of compression from the second stage simultaneously to the inlet passage of the rotor of the first stage and to th... | 08/24/1976 |
