Invention Grant
- Patent Title: System and method for automatic neutral and automatic return-to-range for use with an automatic transmission
- Patent Title (中): 用于自动变速器自动中性和自动返回范围的系统和方法
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Application No.: US14251283Application Date: 2014-04-11
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Publication No.: US09228654B2Publication Date: 2016-01-05
- Inventor: Jared S. Shattuck , Burton Vance Krehbiel
- Applicant: Allison Transmission, Inc.
- Applicant Address: US IN Indianapolis
- Assignee: Allison Transmission, Inc.
- Current Assignee: Allison Transmission, Inc.
- Current Assignee Address: US IN Indianapolis
- Agency: Ice Miller LLP
- Main IPC: B60W10/10
- IPC: B60W10/10 ; B60W10/18 ; F16H59/54

Abstract:
A powertrain incorporating an automatic transmission and an electrical control unit for control thereof, the electrical control unit implementing a return-to-range feature that will return to the automatic transmission to a previously selected forward (and, in some embodiments, reverse) gear when the service brake is applied first and then the parking brake is released while the service brake remains applied. Other embodiments are also disclosed.
Public/Granted literature
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