Invention Grant
- Patent Title: Method for determination of numbers of gear steps
- Patent Title (中): 齿轮级数确定方法
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Application No.: US13393557Application Date: 2010-09-13
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Publication No.: US08706365B2Publication Date: 2014-04-22
- Inventor: Fredrik Swartling , Anders Kjell , Tom Nyström
- Applicant: Fredrik Swartling , Anders Kjell , Tom Nyström
- Applicant Address: SE
- Assignee: Scania CV AB
- Current Assignee: Scania CV AB
- Current Assignee Address: SE
- Agency: Ostrolenk Faber LLP
- Priority: SE0950660 20090914
- International Application: PCT/SE2010/050971 WO 20100913
- International Announcement: WO2011/031228 WO 20110317
- Main IPC: F16H61/00
- IPC: F16H61/00

Abstract:
A method for determination of numbers of gear steps for a gearbox in a motor vehicle which comprises an engine connected to drive a gearbox is disclosed. The numbers of gear steps are the number of downshifts or the number of upshifts which the gearbox respectively effects at an upshift point or a downshift point, a downshift point representing a first engine speed at which the gearbox effects a downshift, an upshift point representing a second engine speed at which the gearbox effects an upshift, and the numbers of gear steps being determined based on a predicted time period which the engine takes to change from a first engine speed to a second engine speed. A system, a motor vehicle, a computer program and a computer program product thereof for the method are also disclosed.
Public/Granted literature
- US20120179340A1 METHOD FOR DETERMINATION OF NUMBERS OF GEAR STEPS Public/Granted day:2012-07-12
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