Title:
ショベル及びショベルの制御方法
Document Type and Number:
Japanese Patent JP7461928
Kind Code:
B2
Abstract:
A shovel (100) includes a lower traveling structure (1), an upper swing structure (3) swingably mounted on the lower traveling structure (1), an engine (11) mounted on the upper swing structure (3), a main pump (14) configured to be driven by the engine (11), a control pressure sensor (19) serving as a negative control pressure sensor, and a controller (30) configured to determine a command value (Qn) by energy saving control and to control the flow rate of hydraulic oil discharged by the main pump (14) according to the command value (Qn). The controller (30) is configured to control the command value (Qn).
Inventors:
Masanori Sano
Ryuji Shiratani
Ryuji Shiratani
Application Number:
JP2021505101A
Publication Date:
April 04, 2024
Filing Date:
March 11, 2020
Export Citation:
Assignee:
Sumitomo Construction Machinery Co., Ltd.
International Classes:
E02F9/20; E02F9/22; F15B11/00; F15B11/02
Domestic Patent References:
| JP2014222104A | ||||
| JP9317703A | ||||
| JP2017057694A | ||||
| JP2015218537A | ||||
| JP2008150877A | ||||
| JP2008002505A |
Foreign References:
| WO2009123047A1 | ||||
| US8893490 |
Attorney, Agent or Firm:
Tadashige Ito
Tadahiko Ito
Tadahiko Ito