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Patent Searching and Data


Title:
BEARING DEVICE AND EXHAUST TURBINE SUPERCHARGER
Document Type and Number:
WIPO Patent Application WO/2017/149679
Kind Code:
A1
Abstract:
The purpose of the invention is to reduce bearing loss due to lubricating oil. This invention comprises: a rotary shaft (14); a journal bearing (22) that is provided to the rotary shaft (14) and that rotatably supports the rotary shaft (14); a flange part (17b) having an opposing surface part (17bb) that is arranged so as to oppose a side surface part (22d) of the journal bearing (22) with a gap (D) therebetween in the axial direction in which the rotary shaft (14) extends; and a recess part (22e) provided in the side surface part (22d) or the opposing surface part (17bb). In the projected area of the journal bearing (22) in the axial direction, the area of a section including the recess part (22e) and not forming the gap (D) is larger than the area in which the side surface part (22d) and the opposing surface part (17bb) form the gap (D).

Inventors:
FUTAE, Takaya (16-5, Konan 2-chome, Minato-k, Tokyo 15, 〒1088215, JP)
NAMBU, Takashi (16-5, Konan 2-chome, Minato-k, Tokyo 15, 〒1088215, JP)
ISHIZAKI, Tatsuya (16-5, Konan 2-chome, Minato-k, Tokyo 15, 〒1088215, JP)
YANO, Seigi (16-5, Konan 2-chome, Minato-k, Tokyo 15, 〒1088215, JP)
Application Number:
JP2016/056307
Publication Date:
September 08, 2017
Filing Date:
March 01, 2016
Export Citation:
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Assignee:
MITSUBISHI HEAVY INDUSTRIES, LTD. (16-5, Konan 2-chome Minato-k, Tokyo 15, 〒1088215, JP)
International Classes:
F16C17/04; F02B39/00; F16C33/10
Foreign References:
JP2005155894A2005-06-16
JP2014080890A2014-05-08
JP2001140888A2001-05-22
Other References:
See also references of EP 3409961A4
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (Toranomon Mitsui Building, 8-1 Kasumigaseki 3-chome, Chiyoda-k, Tokyo 13, 〒1000013, JP)
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