Title:
BEARING PAD OF JOURNAL BEARING DEVICE, JOURNAL BEARING DEVICE HAVING THE SAME AND ROTATING MACHINE HAVING JOURNAL BEARING DEVICE
Document Type and Number:
Japanese Patent JP2019138424
Kind Code:
A
Abstract:
To provide a bearing pad of a journal bearing device which can suppress axial vibration, the journal bearing device having the same and a rotating machine having the journal bearing device.SOLUTION: A bearing face including an upstream-side region in which a recess is formed is arranged at a cross section orthogonal to an axial direction passing a center position of a bearing pad of a journal bearing device in the axial direction. An upstream end of the bearing face is located on a circular arc which is defined by the bearing face in the upstream-side region, and an upstream end of the recess at the cross section orthogonal to the axial direction is located within a range of 0≤x≤0.3 L in a peripheral direction with the upstream end of the bearing face as a reference by using a peripheral length L of the bearing face.SELECTED DRAWING: Figure 4
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Inventors:
KAWASHITA RINHEI
WAKI YUICHIRO
SHINOHARA TANEHIRO
YOSHIMINE CHIHIRO
WAKI YUICHIRO
SHINOHARA TANEHIRO
YOSHIMINE CHIHIRO
Application Number:
JP2018024234A
Publication Date:
August 22, 2019
Filing Date:
February 14, 2018
Export Citation:
Assignee:
MITSUBISHI HITACHI POWER SYS
International Classes:
F16C17/03; F01D25/00; F04D29/057; F04D29/66
Domestic Patent References:
| JP2017026089A | 2017-02-02 | |||
| JPS60164114U | 1985-10-31 | |||
| JPH11125241A | 1999-05-11 | |||
| JP2001200847A | 2001-07-27 | |||
| JPS5846805U | 1983-03-29 | |||
| JP2017166598A | 2017-09-21 |
Attorney, Agent or Firm:
Seishin ip patent business corporation