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Title:
FLUID COUPLING
Document Type and Number:
Japanese Patent JP2017101759
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a fluid coupling that has a bearing structure that can sufficiently supply lubricating oil to a radial bearing adjacent to a thrust bearing.SOLUTION: A fluid coupling comprises: an impeller 1 and a runner 2 arranged so as to face each other; a driving shaft 11 to which the impeller 1 is fixed; an output shaft 12 to which the runner 2 is fixed; a radial bearing 40 and a thrust bearing 42 that rotatably support the driving shaft 11; and a lubricating oil supply system 50 that supplies lubricating oil to the radial bearing 40 and the thrust bearing 42. The radial bearing 40 comprises: a supporting surface 62 that supports an outer peripheral surface of the driving shaft 11; a thrust bearing side end surface 63 that faces the thrust bearing 42; and an anti-thrust bearing side end surface 64 located on the side opposite to the thrust bearing side end surface 63. An annular groove 68 arranged adjacently to the thrust bearing side end surface 63 is formed in the supporting surface 62. The radial bearing 40 comprises an oil passage 69 that extends from the annular groove 68 to the anti-thrust bearing side end surface 64.SELECTED DRAWING: Figure 2

Inventors:
OGATA TAIYO
KATAYA YOSHINORI
KASAI HIDETOSHI
IKEDA HAYATO
Application Number:
JP2015236126A
Publication Date:
June 08, 2017
Filing Date:
December 02, 2015
Export Citation:
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Assignee:
EBARA CORP
International Classes:
F16H41/24; F16C17/02; F16C17/04; F16C33/10; F16C37/00; F16H41/30; F16N7/38; F16N13/20
Domestic Patent References:
JPS5863430U1983-04-28
JP2003294037A2003-10-15
Attorney, Agent or Firm:
Isamu Watanabe
Tetsuya Hirosawa



 
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