- 专利标题： CENTRIFUGAL TURBOMACHINE WITH TWO STAGES ARRANGED BACK-TO-BACK AND WITH AN ANNULAR TRANSFER DUCT BETWEEN THE STAGES
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申请号： US15519591申请日： 2015-10-16
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公开(公告)号： US20170241433A1公开(公告)日： 2017-08-24
- 发明人: Manuele BIGI , Giuseppe SASSANELLI , Andrea MASSINI , Luciano MEI , Franco FROSINI
- 申请人： Nuovo Pignone Srl
- 优先权： ITCO2014A000033 20141017
- 国际申请： PCT/EP2015/073978 WO 20151016
- 主分类号： F04D29/44
- IPC分类号： F04D29/44 ; F04D25/16 ; F04D29/62 ; F04D17/12 ; F04D29/42
摘要：
The turbomachine assembly includes a first turbomachine having an inlet, an outlet and a rotary shaft, a second turbomachine having an inlet, an outlet and a rotary shaft, a transfer duct fluidly connecting the outlet of the first turbomachine to the inlet of the second turbomachine, and a casing housing the turbomachines and the transfer duct; the turbomachines are located adjacent to each other so that the outlet of the second turbomachine is close to the outlet of the first turbomachine and the inlet of the second turbomachine is remote from the outlet of the first turbomachine; the outlet of the second turbomachine has an end portion shaped like a cochlea (i.e. a spiral duct); the transfer duct has an annular shape, and surrounds the end portion of the outlet of the second turbomachine.
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