Title:
OIL SUPPLY UNIT AND EXTRUDER
Document Type and Number:
WIPO Patent Application WO/2024/079927
Kind Code:
A1
Abstract:
An oil supply unit 40 of one embodiment comprises: a tank 51 that stores a lubricating oil; a return oil passage 58 for returning the lubricating oil from a first object of lubrication to the tank 51; a return oil passage 65 for returning the lubricating oil from a second object of lubrication to the tank 51; a tank 63 and a pump 64a provided in the return oil passage 65; a replenishment oil passage 70 connecting the return oil passage 65 and the tank 63; a valve 71 provided in the replenishment oil passage 70; a monitoring part 73 that monitors the oil level of the lubricating oil stored in the tank 63; and a valve control part 72 that controls the valve 71 on the basis of a monitoring result from the monitoring part 73. Then, when the height of the oil level of the lubricating oil in the tank 63 is within a specified range, the valve 71 is closed. When the height of the oil level of the lubricating oil in the tank 63 is below the specified range, the valve 71 is opened.
Inventors:
MARUYAMA YU (JP)
Application Number:
PCT/JP2023/016168
Publication Date:
April 18, 2024
Filing Date:
April 24, 2023
Export Citation:
Assignee:
JAPAN STEEL WORKS LTD (JP)
International Classes:
F16N7/38; B29C48/25; B29C48/37; B29C48/395; B29C48/92; B29C48/94
Foreign References:
| JPH08100884A | 1996-04-16 | |||
| JPS59134095A | 1984-08-01 |
Attorney, Agent or Firm:
TSUTSUI & ASSOCIATES (JP)
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