HERMETIC COMPRESSOR - MITSUBISHI HEAVY IND LTD

Title:

HERMETIC COMPRESSOR

Document Type and Number:

WIPO Patent Application WO/2015/075851

Kind Code:

A1

Abstract:

The present invention prevents damage to a housing in a caulked portion, even if an excessive thrust load occurs in a compression mechanism. A scroll compressor (1) which comprises: the housing (3); the compression mechanism which is accommodated inside the housing (3); and a bearing housing (19) which comprises a support section (19d) that receives a thrust load (Fs) occurring due to the action of the compression mechanism, and further comprises a bearing section (19b) that rotatably supports a main shaft (9) which transmits the driving force of a drive source to the compression mechanism. The bearing housing (19) is fixed to the housing (3) by a caulked section (30) at which a plastically deformed portion of the housing (3) is press-fitted into a recess (19a) provided in the bearing housing (19). A deformation-releasing groove (19f) is provided to a surface of the bearing housing (19), said surface opposing the compression mechanism and corresponding to the caulked section (30).

Inventors:

HIMENO TAKAMITSU (JP)
INOGUCHI KAZUHIKO (JP)
WATANABE TAKASHI (JP)
TATEISHI TAICHI (JP)
MATSUDA SUSUMU (JP)
KIMATA YOSHIYUKI (JP)

Application Number:

PCT/JP2014/003163

Publication Date:

May 28, 2015

Filing Date:

June 13, 2014

Export Citation:

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Assignee:

MITSUBISHI HEAVY IND LTD (JP)

International Classes:

F04C18/02; F04C29/00

Foreign References:

JP2013100735A	2013-05-23
JPS6483875A	1989-03-29
JPH05312156A	1993-11-22
JPH10299681A	1998-11-10
JPH10169573A	1998-06-23
JP2006132530A	2006-05-25
JP2000249082A	2000-09-12
JPH09126161A	1997-05-13
JPH0547467U	1993-06-25
JP3567237B2	2004-09-22
JP2008128036A	2008-06-05

Other References: