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Patent Searching and Data


Title:
EXCAVATOR AND EXCAVATOR DIAGNOSTIC SYSTEM
Document Type and Number:
WIPO Patent Application WO/2021/040038
Kind Code:
A1
Abstract:
Provided is technology that can collect more reliable diagnostic data. An excavator 100 according to one embodiment comprises a lower traveling body 1, an upper turning body 3 mounted on the lower traveling body 1, an engine 11 mounted to the upper turning body 3, and a main pump 14 mounted to the upper turning body 3 and driven by the engine 11, and collects diagnostic data for the excavator 100 when the engine 11 is operated under fixed operating conditions. Fixed operating conditions include, for example, a condition that represents that the load variation on the engine 11 is relatively small. Fixed operating conditions include, for example, a condition that represents that the engine 11 is in a specified state.

Inventors:
NANBU TAIGA (JP)
OTOH SOUTAROU (JP)
TSUKAMOTO HIROYUKI (JP)
Application Number:
PCT/JP2020/032784
Publication Date:
March 04, 2021
Filing Date:
August 28, 2020
Export Citation:
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Assignee:
SUMITOMO CONSTRUCTION MACHINERY CO LTD (JP)
International Classes:
E02F9/20; E02F9/26; G01M17/007
Domestic Patent References:
WO2018155629A12018-08-30
Foreign References:
JP2010198159A2010-09-09
JP2019031205A2019-02-28
Attorney, Agent or Firm:
ITOH, Tadashige et al. (JP)
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