公开(公告)号：US20240001988A1

公开(公告)日：2024-01-04

申请号：US18253633

申请日：2021-11-05

Applicant: KOMATSU LTD.

Inventor： Takeshi YOSHIKAWA ,  Hiroaki TAKESHIMA ,  Naoya AKIYAMA ,  Kazushi NAKATA ,  Osamu YATSUDA ,  Shinichi OTAKA ,  Yuji NAMEKI ,  Ryouichi NAGASAKA ,  Takaomi KOMURA

IPC: B62D11/08 ,  B62D11/00 ,  B62D11/12

CPC classification number: B62D11/08 ,  B62D11/001 ,  B62D11/12 ,  E02F9/225

Abstract: A controller provided in a bulldozer maintains the engagement of an inside steering clutch over a predetermined period beginning from a switching start point at which switching starts, when switching from a slow turn mode to a pivot turn mode, and when switching from the pivot turn mode to the slow turn mode, maintains the braking of an inside steering brake over a predetermined period beginning from a switching start point at which the switching starts.

公开(公告)号：US20240101192A1

公开(公告)日：2024-03-28

申请号：US18253842

申请日：2021-12-15

Applicant: KOMATSU LTD.

Inventor： Takeshi YOSHIKAWA ,  Hiroaki TAKESHIMA ,  Naoya AKIYAMA ,  Kazushi NAKATA ,  Osamu YATSUDA ,  Shinichi OTAKA ,  Yuji NAMEKI ,  Ryoichi NAGASAKA ,  Takaomi KOMURA

IPC: B62D11/18 ,  E02F9/22

CPC classification number: B62D11/183 ,  E02F9/225

Abstract: In a crawler type work machine, when switching from a pivot turning mode to a straight travel mode or a slow turning mode, a controller is configured to maintain a rotation speed of the turning motor until after a first timing at which the inside steering clutch begins partial engagement.