Invention Grant
- Patent Title: Method for operating an automatic transmission
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Application No.: US14512502Application Date: 2014-10-13
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Publication No.: US09777831B2Publication Date: 2017-10-03
- Inventor: Andreas Schmidt , Georg Mihatsch , Ruben Cueppers , Max Trautwein , Thorsten Schaetzle
- Applicant: ZF Friedrichshafen AG
- Applicant Address: DE FRIEDRICHSHAFEN
- Assignee: ZF FRIEDRICHSHAFEN AG
- Current Assignee: ZF FRIEDRICHSHAFEN AG
- Current Assignee Address: DE FRIEDRICHSHAFEN
- Agency: Dority & Manning, P.A.
- Main IPC: F16H61/04
- IPC: F16H61/04 ; F16H61/686

Abstract:
A method for operating an automatic transmission is provided. The method includes initiating a synchronization of a positive shifting element of the automatic transmission while the automatic transmission is operating at less than a threshold output speed. The method also includes closing a first non-positive shifting element of the automatic transmission and positioning a second non-positive shifting element of the automatic transmission at an engaged configuration of the second non-positive shifting element during the synchronization of the first positive shifting element in order to synchronize the first positive shifting element.
Public/Granted literature
- US20160102753A1 Method for Operating an Automatic Transmission Public/Granted day:2016-04-14
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