Invention Grant
- Patent Title: Articulated harvesting head ground force control circuit
- Patent Title (中): 铰接式收割机地面力控制电路
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Application No.: US13940311Application Date: 2013-07-12
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Publication No.: US09198349B2Publication Date: 2015-12-01
- Inventor: Aaron S. Ritter , Benjamin M Lovett , Bruce A Coers
- Applicant: DEERE & COMPANY
- Main IPC: A01D67/00
- IPC: A01D67/00 ; A01D41/14
Abstract:
A ground force control circuit (162) for an articulated harvesting head is provided that comprises, an ECU (164); and a first hydraulic control valve (166, 170) driven by the ECU (164), wherein the first hydraulic control valve (166, 170) is coupled to at least one actuator (158, 160) and is configured to maintain a constant pressure in the at least one actuator (158, 160).
Public/Granted literature
- US20150013795A1 ARTICULATED HARVESTING HEAD GROUND FORCE CONTROL CIRCUIT Public/Granted day:2015-01-15
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