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Patent Searching and Data


Title:
BEARING DEVICE AND ROTARY MACHINE
Document Type and Number:
WIPO Patent Application WO/2017/022517
Kind Code:
A1
Abstract:
The present invention pertains to a bearing device capable of appropriately supplying a lubricant to a bearing, and also to a rotary machine such as a pump that is equipped with such a bearing device. The bearing device (9) is equipped with a double row of rolling bearings (9A) that receive a load acting in the thrust direction of a rotating shaft (1), a lubricant storage tank (10) positioned below the double row of rolling bearings (9A), and oil rings (20) that are supported by the rotating shaft (1) and pull up the lubricant stored in the lubricant storage tank (10) as the rotating shaft (1) rotates. The oil rings (20) are positioned on both sides of the double row of rolling bearings (9A).

Inventors:
KAWAI YASUSHI (JP)
TSUJIMURA MANABU (JP)
HAYAKAWA JUNICHI (JP)
Application Number:
PCT/JP2016/071531
Publication Date:
February 09, 2017
Filing Date:
July 22, 2016
Export Citation:
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Assignee:
EBARA CORP (JP)
International Classes:
F16C33/66; F04D29/046; F16C19/18; F16N7/22
Domestic Patent References:
WO2015098896A12015-07-02
Foreign References:
US20110085753A12011-04-14
JPS5580598U1980-06-03
Attorney, Agent or Firm:
WATANABE, Isamu et al. (JP)
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