Invention Grant
- Patent Title: Working machine and method of measuring work amount of working machine
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Application No.: US14438980Application Date: 2013-11-12
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Publication No.: US09783952B2Publication Date: 2017-10-10
- Inventor: Atsushi Nagato , Masamichi Ueda
- Applicant: Komatsu Ltd.
- Applicant Address: JP Tokyo
- Assignee: Komatsu Ltd.
- Current Assignee: Komatsu Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Locke Lord LLP
- Priority: JP2012-254694 20121120
- International Application: PCT/JP2013/080603 WO 20131112
- International Announcement: WO2014/080805 WO 20140530
- Main IPC: G06F7/70
- IPC: G06F7/70 ; G06F19/00 ; G06G7/00 ; G06G7/76 ; E02F3/43 ; E02F9/22 ; E02F9/26 ; G07C5/08

Abstract:
A working machine includes: an operation state detection unit configured to detect a physical amount output according to an operation of an operation lever; a time integration unit configured to calculate a time integration value by performing time integration of the physical amount; a determination unit configured to cause the time integration value and a predetermined operating angle of an excavating and loading mechanism associated with the operation of the operation lever to correspond to each other, and to determine that the operation of the operation lever has been performed at a time the time integration value becomes a predetermined integration value or more; and a counting unit configured to count at a time operations of the excavating and loading mechanism determined by the determination unit are performed in a predetermined order, number of times of excavating and loading work.
Public/Granted literature
- US20150292178A1 WORKING MACHINE AND METHOD OF MEASURING WORK AMOUNT OF WORKING MACHINE Public/Granted day:2015-10-15
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