Invention Grant
- Patent Title: Ramping subsystem for a machine with a dual path electronically controlled hydrostatic transmission
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Application No.: US14066196Application Date: 2013-10-29
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Publication No.: US09719586B2Publication Date: 2017-08-01
- Inventor: David Schulte , Kushan Vora
- 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
- Main IPC: F16H39/14
- IPC: F16H39/14 ; B60W10/00 ; E02F9/22 ; F16H61/431 ; F16H61/46 ; E02F3/84 ; F16H61/47

Abstract:
A ramping subsystem of a control system for a dual path electronically controlled hydrostatic transmission is used to modify the commanded rate of change of pump and motor acceleration, deceleration and direction change command (performed to command machine motion from forward to reverse or vice versa) in order to achieve desired machine performance and operator feel. Pump and motor acceleration, deceleration and direction change command rates are then further modified using scaling tables based on selected maximum machine speed using operator input device.
Public/Granted literature
- US20140174067A1 RAMPING SUBSYSTEM FOR A MACHINE WITH A DUAL PATH ELECTRONICALLY CONTROLLED HYDROSTATIC TRANSMISSION Public/Granted day:2014-06-26
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