公开(公告)号：US20170363024A1

公开(公告)日：2017-12-21

申请号：US15534220

申请日：2015-12-03

Applicant: MAHLE FILTER SYSTEMS JAPAN CORPORATION

Inventor： Vijayakumar SIVARAMAN ,  Masamoto HAYASHI

IPC: F02D41/00 ,  F02B29/04 ,  F02B37/12 ,  F02B37/013 ,  F02B37/10 ,  F02B33/34 ,  F02B47/10 ,  F02M26/05

CPC classification number: F02D41/0007 ,  F02B29/0425 ,  F02B33/34 ,  F02B33/40 ,  F02B37/013 ,  F02B37/10 ,  F02B37/12 ,  F02B39/005 ,  F02B39/10 ,  F02B47/10 ,  F02B2037/122 ,  F02M26/05 ,  H02K5/18 ,  H02K5/20 ,  H02K7/14 ,  H02K9/06 ,  H02K9/14 ,  Y02T10/144

Abstract: A turbocharger (1) includes a turbine wheel (3) driven by exhaust gas, first and second compressor wheels (4, 5) coaxially coupled to the turbine wheel (3) via a shaft member (6), a compressor housing (8) accommodating the first and second compressor wheels (4, 5) and having defined therein a communication passage (17) through which air compressed by the first compressor wheel (4) flows to the second compressor wheel (5), and an electric motor (11) arranged in the communication passage (17) and using the shaft member (6) as a rotation shaft thereof.