Title:
【発明の名称】ダウンシフト機能を有する自動変速機
Document Type and Number:
Japanese Patent JP2001525286
Kind Code:
A
Abstract:
For an automatic transmission (3) a downshift function is proposed in which, with the actuation of a brake pedal, a new downshift point (RA(NEU)) is calculated when the throttle valve is closed by adding to a basic downshift point (RS(ORD)) a characteristic variable (K1) wherein the characteristic variable (K1) is determined from a driving activity (FA) and a calculated brake pressure via a characteristic field.
Inventors:
Kai-Ube, Help Star
Franz-Josef, Schuler
Franz-Josef, Schuler
Application Number:
JP2000524152A
Publication Date:
December 11, 2001
Filing Date:
December 07, 1998
Export Citation:
Assignee:
ZF FRIEDRICHSHAFEN AG
International Classes:
B60W10/00; B60W10/02; B60W10/04; B60W10/18; B60W10/10; F16H61/02; F16H61/16; F16H61/18; F16H59/18; F16H59/44; F16H59/54; F16H61/00; (IPC1-7): B60K41/26; B60K41/00; B60K41/28; F16H61/16; F16H61/18
Attorney, Agent or Firm:
Kazuo Sato (3 others)