|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||290/052 ; 600/395.11 ; 310/156|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 33 인용 특허 : 5|
A rotating group for a microturbine power generation system includes an electrical generator rotor, a turbine and a compressor intermediate the generator and the turbine. The turbine, compressor and electrical generator rotor are secured together by a tieshaft. The tieshaft is prestressed such that faces of the turbine, electrical generator rotor and compressor maintain contact during high-speed, high-temperature operation of the system.
[ What is claimed is:] [1.]1. A rotating group for a microturbine power generating system, comprising:a turbine wheel receiving expanding gas, the expanding gas causing the turbine wheel to rotate about an axis;a rotor having at least one rotor surface and a rotor bore concentric with the axis, at least a portion of said rotor being magnetic, wherein said at least one rotor surface is adapted for rotation within at least one foil journal bearing;a single tieshaft having a diameter of less than about one-half inch, the tieshaft being concentric with the a...