Invention Grant
- Patent Title: Windrower autoguidance hydraulic steering interface
- Patent Title (中): 履带式自动导向液压转向接口
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Application No.: US13905528Application Date: 2013-05-30
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Publication No.: US09101090B2Publication Date: 2015-08-11
- Inventor: Todd B. Pierce , Philip J. Ehrhart , Mark D. Layton , Cecil R. Sudbrack
- Applicant: CNH AMERICA, LLC
- Applicant Address: US PA New Holland
- Assignee: CNH Industrial America LLC
- Current Assignee: CNH Industrial America LLC
- Current Assignee Address: US PA New Holland
- Agent Patrick M. Sheldrake; Seyed V. Sharifi T.
- Main IPC: A01D34/00
- IPC: A01D34/00 ; A01D69/03 ; B62D11/00 ; A01D41/127

Abstract:
An autoguidance interface for a hydraulic steering system for a differential steered self-propelled agricultural windrower, windrower speed and direction controlled by adjustment to a control input shaft to control the output of a pair of tandem-mounted hydraulic drive pumps and provide motive power for the windrower. The control input shaft is rotatable and axially moveable. A hydraulic steering motor is operably connected to the input shaft to effect control input shaft rotation. Rotation of the hydraulic steering motor is selectively managed by a steering control valve attached to a cab-mounted windrower steering wheel or a proportional steering valve managed by the autoguidance system. A selector valve controls the active steering input. An emergency disengagement positions the selector valve to restore manual control by the steering wheel.
Public/Granted literature
- US20140358354A1 WINDROWER AUTOGUIDANCE HYDRAULIC STEERING INTERFACE Public/Granted day:2014-12-04
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