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| Number | Title | Issue Date |
| 7210905 | Compressor having casing treatment slots A compressor (16) comprises a rotor (40) having a plurality of circumferentially spaced radially outwardly extending rotor blades (42). A casing (44) surrounds the rotor (40) and rotor blades (42). The casing (44) has... | 05/01/2007 |
| 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 |
| 7090460 | Pump embodied as a side channel pump A side channel pump, preferably a vacuum pump, includes a driven rotor (16) and a fixed stator (14). The rotor (16) and the stator (14) define a pump channel circulating in a peripheral direction. Blades are fixed onto the rotor, protrudi... | 08/15/2006 |
| 7074006 | Endwall treatment and method for gas turbine An endwall treatment for a gas turbine engine having at least one rotor blade extending from a rotatable hub and a casing circumferentially surrounding the rotor and the hub, the endwall treatment including, an inlet formed in an endwall of the gas turbine engine ad... | 07/11/2006 |
| 7011490 | Compressor in a multi-stage axial form of construction A compressor in a multi-stage axial form of construction, with a rotor which is mounted overhung and includes a plurality of moving-blade rings on blade carriers connected to one another, and with a blade arrangement, in which the moving-blade ring of the first stag... | 03/14/2006 |
| 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 |
| 6884021 | Single cascade multistage turbine This invention provides a single cascade multistage turbine that has a compact turbine structure having only a single cascade, and enables power to be extracted efficiently in the same way as a multistage turbine having multistage rotor vanes. The working fluid supp... | 04/26/2005 |
| 6494673 | Turbine engine The present invention relates generally to a turbine engine (10) comprising a housing (12) in which a rotor (14) is rotatably mounted. The housing (12) of the turbine engine (10) is of a split casing construction including a center casing (24) sandwiched ... | 12/17/2002 |
| 6116851 | Channel-type pump A rotary machine such as a pump or turbine has a casing defining a space therein. A fluid channel is formed in the casing and has a plurality of first channel portions fluidically coupled a plurality of second channel portions. The first and second channe... | 09/12/2000 |
| 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 |
| 5308225 | Rotor case treatment To enhance stall margin without degrading engine performance the case of the fan of a fan-jet engine is treated by incorporating a passageway to remove flow from the main flow stream. The location and amount of the low momentum flow relative to the rotor ... | 05/03/1994 |
| 5282718 | Case treatment for compressor blades The outer shroud of an axial flow compressor is treated to remove the low momentum flow adjacent the tips of the compressor blades in a judiciously located and sized passageway that removes the low momentum flow relative to the rotor blades at a location ... | 02/01/1994 |
