Invention Grant
- Patent Title: Shovel
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Application No.: US15409779Application Date: 2017-01-19
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Publication No.: US10704230B2Publication Date: 2020-07-07
- Inventor: Eisuke Matsuzaki , Daisuke Kitajima
- Applicant: SUMITOMO HEAVY INDUSTRIES, LTD. , SUMITOMO(S.H.I.) CONSTRUCTION MACHINERY CO., LTD.
- Applicant Address: JP Tokyo JP Tokyo
- Assignee: SUMITOMO HEAVY INDUSTRIES, LTD.,SUMITOMO (S.H.I.) CONSTRUCTION MACHINERY CO., LTD.
- Current Assignee: SUMITOMO HEAVY INDUSTRIES, LTD.,SUMITOMO (S.H.I.) CONSTRUCTION MACHINERY CO., LTD.
- Current Assignee Address: JP Tokyo JP Tokyo
- Agency: IPUSA, PLLC
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@3b0a475e
- Main IPC: E02F9/22
- IPC: E02F9/22 ; F02D29/04 ; E02F9/20 ; F02D29/00 ; F02D45/00 ; E02F3/32

Abstract:
A shovel includes a lower traveling body, an upper rotating body, an attachment including a boom and an arm, a controller, an engine, and a hydraulic pump that is driven by the engine and discharges hydraulic oil to drive the attachment. The controller is configured to obtain a hydraulic load applied to the attachment and calculate an engine speed command at predetermined time intervals based on the obtained hydraulic load.
Public/Granted literature
- US20170130428A1 SHOVEL Public/Granted day:2017-05-11
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