Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
JOURNAL BEARING AND ROTARY MACHINE
Document Type and Number:
WIPO Patent Application WO/2019/159454
Kind Code:
A1
Abstract:
This journal bearing 1 for supporting a rotary shaft 5 in a horizontal state is provided with: a casing 22 provided around the rotary shaft 5; bearing pads 21 which are provided facing the lower side of the rotary shaft 5 in the vertical direction, are provided to be rockable with respect to the casing 22, and support the rotary shaft 5 with a lubricating film formed between the bearing pads 21 and the rotary shaft 5; and a fixed pad 23 which is provided facing the upper side of the rotary shaft in the vertical direction, is provided to be fixed with respect to the casing 22, and covers the rotary shaft 5 with a lubricating film formed between the fixed pad 23 and the rotary shaft 5, wherein a first center point P1 of the rotary shaft 5 and a second center point P2 of the radius of curvature of the inner circumferential surface of the fixed pad 23 facing the rotary shaft 5 when the rotary shaft 5 is stopped are offset such that the first center point P1 and the second center point P2 coincide while the rotary shaft is rotating.

Inventors:
YOKOYAMA, Shimpei (16-5, Konan 2-chome, Minato-k, Tokyo 15, 〒1088215, JP)
NAGATA, Nobuhiro (16-5, Konan 2-chome, Minato-k, Tokyo 15, 〒1088215, JP)
TOKIMASA, Yasunori (16-5, Konan 2-chome, Minato-k, Tokyo 15, 〒1088215, JP)
Application Number:
JP2018/042043
Publication Date:
August 22, 2019
Filing Date:
November 13, 2018
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
MITSUBISHI HITACHI POWER SYSTEMS, LTD. (3-1 Minatomirai 3-chome, Nishi-ku Yokohama-sh, Kanagawa 01, 〒2208401, JP)
International Classes:
F16C17/03; F16C41/00
Foreign References:
JPS59194122A1984-11-02
JP2011231783A2011-11-17
JPS5218685U1977-02-09
JPS5529293B21980-08-02
JP2005114019A2005-04-28
JP2017155758A2017-09-07
JP2017172697A2017-09-28
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (Toranomon Mitsui Building, 8-1 Kasumigaseki 3-chome, Chiyoda-k, Tokyo 13, 〒1000013, JP)
Download PDF: