IMBALANCE DETECTION DEVICE AND IMBALANCE DETECTION METHOD

Title:

IMBALANCE DETECTION DEVICE AND IMBALANCE DETECTION METHOD

Document Type and Number:

WIPO Patent Application WO/2017/203648

Kind Code:

A1

Abstract:

This imbalance detection device detects the imbalance of a rotary body of a turbo cartridge, said turbo cartridge comprising the rotary body which is constructed by joining a turbine wheel and a compressor wheel together using a rotary shaft, and a bearing housing which contains bearings for rotatably supporting the rotary body. The imbalance detection device comprises: a turbine-side housing member for housing the turbine wheel; a compressor-side housing member for housing the compressor wheel; a support mechanism which is constructed so as to sandwich and support the turbo cartridge from both sides by pushing at least one of the housing members toward the turbo cartridge; vibration isolation members which are respectively interposed between the turbine-side housing member and the turbo cartridge and between the compressor-side housing member and the turbo cartridge; and a vibration sensor which is installed so as to be able to come into contact with the bearing housing, and which is capable of detecting vibrations during rotation of the rotary body.

Inventors:

YAMASHITA KATSUYA (JP)
MIURA SHUICHI (JP)
DAMMOTO YOSUKE (JP)
FUTAE TAKAYA (JP)
YOSHIKAWA SHOTA (JP)

Application Number:

PCT/JP2016/065543

Publication Date:

November 30, 2017

Filing Date:

May 26, 2016

Export Citation:

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Assignee:

MITSUBISHI HEAVY IND LTD (JP)

International Classes:

F02B39/16; G01M1/16

Domestic Patent References:

WO2015198487A1

2015-12-30

Foreign References:

EP2581553A1	2013-04-17
JPH04103234U	1992-09-07
JP2014215160A	2014-11-17

Other References: