Title:
HYDRAULIC STEERING MECHANISM FOR AGRICULTURAL VEHICLE
Document Type and Number:
WIPO Patent Application WO/2019/146958
Kind Code:
A1
Abstract:
The present invention relates to a hydraulic steering mechanism for an agricultural vehicle, the hydraulic steering mechanism comprising: a steering pump for supplying working fluid; a manual steering unit which is connected to the steering pump and, as manual steering is carried out by manipulating a steering wheel, changes the driving direction of an agricultural vehicle by means of the working fluid that has been supplied from the steering pump; an automatic steering unit which, as automatic steering is carried out by a control unit, changes the driving direction of the agricultural vehicle by means of the working fluid that has passed through the manual steering unit; and a manual preferential switching unit connected to each of the manual steering unit and the automatic steering unit so that the working fluid that has been discharged from the manual steering unit is selectively supplied to the automatic steering unit, depending on whether the manual steering is carried out or not.
Inventors:
LEE SANG HEON (KR)
Application Number:
PCT/KR2019/000683
Publication Date:
August 01, 2019
Filing Date:
January 17, 2019
Export Citation:
Assignee:
LS MTRON LTD (KR)
International Classes:
A01B69/00; B62D5/06
Foreign References:
| JPH08207807A | 1996-08-13 | |||
| JP2003118615A | 2003-04-23 | |||
| JP2017190119A | 2017-10-19 | |||
| JP2666539B2 | 1997-10-22 | |||
| KR100230051B1 | 1999-11-15 |
Attorney, Agent or Firm:
ASTRAN INT'L IP GROUP (KR)
Download PDF: