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Patent Searching and Data


Title:
JOURNAL BEARING AND ROTARY MACHINE
Document Type and Number:
WIPO Patent Application WO/2017/150496
Kind Code:
A1
Abstract:
A journal bearing that comprises: a carrier ring; a plurality of bearing pads that are provided on the inner circumferential side of a lower half region of the carrier ring and that are configured to support a rotor shaft from below; and a pair of side plates that are provided on both sides of the plurality of bearing pads with respect to the axial direction of the rotor shaft. Each of the side plates includes: a first region that includes an upstream-side circumferential-direction area of a first bearing pad that, of the plurality of bearing pads, is located furthest upstream; and a second region that is located on the upstream side of the first region and that has a larger gap between an inner circumferential surface of the side plate and an outer circumferential surface of the rotor shaft than the first region.

Inventors:
SHINOHARA, Tanehiro (C/O MITSUBISHI HEAVY INDUSTRIES LTD, 16-5, Konan 2-Chome, Minato-k, Tokyo 15, 〒1088215, JP)
KAIKOGI, Takaaki (C/O MITSUBISHI HEAVY INDUSTRIES LTD, 16-5, Konan 2-Chome, Minato-k, Tokyo 15, 〒1088215, JP)
NAKANO, Takashi (C/O Mitsubishi Hitachi Power Systems Ltd, 3-1, Minatomirai 3-Chome, Nishi-ku, Yokohama-sh, Kanagawa 01, 〒2208401, JP)
WAKI, Yuichiro (C/O Mitsubishi Hitachi Power Systems Ltd, 3-1, Minatomirai 3-Chome, Nishi-ku, Yokohama-sh, Kanagawa 01, 〒2208401, JP)
OZAWA, Yutaka (C/O Sanyo Techno-Service Ltd, 1-7, Araicho Higashihonmachi, Takasago-sh, Hyogo 17, 〒6760017, JP)
TOCHITANI, Naoto (C/O Mitsubishi Hitachi Power Systems Ltd, 3-1, Minatomirai 3-Chome, Nishi-ku, Yokohama-sh, Kanagawa 01, 〒2208401, JP)
Application Number:
JP2017/007666
Publication Date:
September 08, 2017
Filing Date:
February 28, 2017
Export Citation:
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Assignee:
MITSUBISHI HITACHI POWER SYSTEMS, LTD. (3-1 Minatomirai 3-Chome, Nishi-ku Yokohama-sh, Kanagawa 01, 〒2208401, JP)
International Classes:
F16C17/03; F01D25/16; F02C7/06; F16C33/10
Foreign References:
JP2013204651A2013-10-07
JP2015031331A2015-02-16
JP2011179609A2011-09-15
JP2014202268A2014-10-27
JP2014196788A2014-10-16
JP2010101362A2010-05-06
JPH09126228A1997-05-13
JP2003176818A2003-06-27
Attorney, Agent or Firm:
SEISHIN IP PATENT FIRM, P.C. (Mita 43MT Building 13th Floor, 13-16 Mita 3-Chome, Minato-k, Tokyo 73, 〒1080073, JP)
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