Title:
作業機
Document Type and Number:
Japanese Patent JP7155037
Kind Code:
B2
Abstract:
To enable a gear change shock to be easily reduced.SOLUTION: A work machine comprises: a motor; a travel pump capable of changing a discharge flow rate of hydraulic fluid depending on an angle of a swash plate; a travel motor that can be rotated by the hydraulic fluid discharged from the travel pump and whose rotary speed can be switched between the first speed and the second speed that is higher than the first speed; a travel switching valve that can be switched between the first state to make the rotary speed of the travel motor the first speed and the second state to make the rotary speed of the travel motor the second speed; and a controller that decreases the angle of the swash plate of the travel pump when switching from the first state to the second state.SELECTED DRAWING: Figure 1
Inventors:
Yuji Fukuda
Ryosuke Kinukawa
Ryosuke Kinukawa
Application Number:
JP2019026796A
Publication Date:
October 18, 2022
Filing Date:
February 18, 2019
Export Citation:
Assignee:
Kubota Corporation
International Classes:
E02F9/22; F15B11/02; F16H61/431
Domestic Patent References:
| JP2007092955A | ||||
| JP2017179922A | ||||
| JP2011188780A |
Attorney, Agent or Firm:
Mikio Yasuda