Invention Grant
- Patent Title: Oil state detection device, work machine, management system, and oil state detection method
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Application No.: US16483184Application Date: 2018-02-20
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Publication No.: US10996164B2Publication Date: 2021-05-04
- Inventor: Hiroyuki Chikugo , Shuuji Hori , Haruna Higashi
- Applicant: Komatsu Ltd.
- Applicant Address: JP Tokyo
- Assignee: Komatsu Ltd.
- Current Assignee: Komatsu Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Locke Lord LLP
- Priority: JPJP2017-090330 20170428
- International Application: PCT/JP2018/005911 WO 20180220
- International Announcement: WO2018/198498 WO 20181101
- Main IPC: G01N21/27
- IPC: G01N21/27 ; F01M11/10 ; F15B21/04 ; G01N33/28
Abstract:
An oil state detection device includes an index member, a lighting device that illuminates the index member, and a photographing device that photographs the index member through oil in a machine device.
Public/Granted literature
- US20200232911A1 OIL STATE DETECTION DEVICE, WORK MACHINE, MANAGEMENT SYSTEM, AND OIL STATE DETECTION METHOD Public/Granted day:2020-07-23
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