Title:
作業機
Document Type and Number:
Japanese Patent JP6552998
Kind Code:
B2
Abstract:
A work machine includes a prime mover, a hydraulic pump to be operated by the prime mover to output an operation fluid, a hydraulic device to be operated by the operation fluid, a measurement sensor to measure a first temperature and a second temperature, the first temperature being a temperature of the operation fluid at starting of the prime mover, the second temperature being a temperature of the operation fluid after the starting of the prime mover, and a controller including a determiner to determine an upper limit revolution speed based on the first temperature, the upper limit revolution speed being an upper limit of a revolution speed of the prime mover, and a changer to change the upper limit revolution speed based on the second temperature.
Inventors:
Fukuda Yushi
Ryosuke Kinugawa
Ryosuke Kinugawa
Application Number:
JP2016125815A
Publication Date:
July 31, 2019
Filing Date:
June 24, 2016
Export Citation:
Assignee:
Kubota Corporation
International Classes:
F02D29/00; E02F9/20; F02D29/02; F02D29/04
Domestic Patent References:
| JP2003020977A |
Foreign References:
| WO2013111613A1 |
Attorney, Agent or Firm:
Toshio Yasuda
Mikio Yasuda
Mikio Yasuda