Title:
AIR EXTRACTION DEVICE, LUBRICATION DEVICE, AND AIR EXTRACTION METHOD
Document Type and Number:
WIPO Patent Application WO/2019/130464
Kind Code:
A1
Abstract:
An air extraction device for removing commingled air from a lubricating oil supply channel is equipped with: a lubricating oil supply channel for supplying lubricating oil to a mixing valve set in a machine tool; a lubricating oil tank for storing the lubricating oil; a branching section provided in the lubricating oil supply channel; and a return channel that connects the branching section with the lubricating oil tank. The lubricating oil supply channel is provided with a first supply channel that connects the lubricating oil tank with the branching section and a second supply channel that connects the branching section with the mixing valve. In the branching section, the upstream end of the return channel is located above the upstream end of the second supply channel.
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Inventors:
KIMURA JYOJIRO (JP)
KANEKO MASAHIRO (JP)
KANEKO MASAHIRO (JP)
Application Number:
PCT/JP2017/046863
Publication Date:
July 04, 2019
Filing Date:
December 27, 2017
Export Citation:
Assignee:
YAMAZAKI MAZAK CORP (JP)
International Classes:
B23Q11/10; B23Q11/12; F16N39/00
Foreign References:
| JPH09324606A | 1997-12-16 | |||
| JPH08261393A | 1996-10-11 | |||
| JPH03186696A | 1991-08-14 | |||
| JP2001304489A | 2001-10-31 | |||
| JP2001304489A | 2001-10-31 |
Other References:
See also references of EP 3530405A4
Attorney, Agent or Firm:
PATENT CORPORATE BODY DAI-ICHI KOKUSAI TOKKYO JIMUSHO (JP)
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