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Patent Searching and Data


Title:
ROTATING ELECTRIC MACHINE WITH SHAFT SEAL DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/154084
Kind Code:
A1
Abstract:
[Problem] To increase the efficiency of a degassing process unit and reduce the overall device size in a rotating electric machine with a shaft seal device. [Solution] A rotating electric machine with a shaft seal device is provided with: a rotating electric machine in which a shaft seal device having inlet and outlet portions for a seal oil is mounted on a rotating shaft; a main oil tank in which the seal oil to be supplied to the shaft seal device of the rotating electric machine is stored; a seal oil clarification tank having an inlet portion connected to an outlet portion of the main oil tank and having an oil level adjustment valve; a degassing pump having an inlet portion connected to an outlet portion of the seal oil clarification tank; a pressure control valve disposed between the outlet portion of the seal oil clarification tank and an outlet portion of the degassing pump; and a differential pressure control valve disposed between the outlet portion of the degassing pump and the inlet portion of the shaft seal device.

Inventors:
TANAKA SHOHEI (JP)
TOHODA YASUHIRO (JP)
Application Number:
PCT/JP2016/057054
Publication Date:
September 14, 2017
Filing Date:
March 08, 2016
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H02K5/15; F16C19/00; F16C33/66; F16N31/00
Foreign References:
JP2004007871A2004-01-08
JP2008172939A2008-07-24
JPH05236695A1993-09-10
Other References:
See also references of EP 3427803A4
Attorney, Agent or Firm:
OIWA Masuo et al. (JP)
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