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Transmission shift assembly with automatic position reset

A transmission and shifter technology, applied in the field of shifting systems

Active Publication Date: 2021-06-01
DURA OPERATING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, in order for the transmission to shift out of Park, the vehicle brake may need to be applied, or the driver may be required to take some other action

Method used

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  • Transmission shift assembly with automatic position reset
  • Transmission shift assembly with automatic position reset
  • Transmission shift assembly with automatic position reset

Examples

Experimental program
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Embodiment Construction

[0039] Referring to the accompanying drawings in more detail, figure 1 and 2 A rotary shifter 10 is shown that may be used to shift between various gears of the transmission 11 . In at least some embodiments, the shifter 10 is not directly mechanically coupled to the transmission 11, but is in electrical communication with an actuator 13 coupled to the transmission 11 which in turn causes the selected shift in a so-called shift-by-wire system. Transmission gear changes. The shifter 10 may include a first shift member, such as a dial, knob, or other rotary selector 12 , that can be manually rotated by a user through a plurality of positions corresponding to a plurality of gears of the vehicle transmission. As non-limiting examples, the selector 12 may include and rotate to one or more positions corresponding to Park, Reverse, Neutral, and Drive of the vehicle transmission 11 .

[0040] The selector 12 may be mounted to a housing 14 (only a portion of which is shown to better...

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PUM

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Abstract

At least some embodiments of a transmission shifter include a first body rotatable between a plurality of positions, a second body rotatable between a plurality of positions, a retainer, and first and second actuators . The retainer is movable relative to the second body between a first position in which the retainer prevents rotation of the second body and a second position in which the retainer permits rotation of the second body. The first actuator is coupled to the retainer to move the retainer between a first position and a second position. The second actuator provides a force on the second body to rotate the second body when the retainer is in the second position.

Description

[0001] Citations from Co-Pending Applications [0002] This application claims the benefit of U.S. Provisional Patent Application Serial No. 62 / 611,027, filed December 28, 2017, the entire contents of which are incorporated herein by reference. technical field [0003] The present invention generally relates to a shifting system for a vehicle transmission. Background technique [0004] In some vehicles, a gear lever within the vehicle's passenger compartment can be moved by the vehicle operator to shift the vehicle's transmission between its park position and other gears (eg, reverse, neutral, and drive). The gear lever is mechanically coupled to the transmission by cables that transmit the movement of the gear lever to the transmission shift mechanism. Other vehicles use so-called "shift-by-wire" systems in which the operator shift lever or shift control unit is not physically coupled to the transmission shift mechanism by cables. Conversely, the shift control unit is ele...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H59/08
CPCF16H59/08F16H61/24F16H2059/081F16H2061/241F16H2061/243F16H2061/247F16H61/22F16H2059/0295
Inventor D·A·贝蒂J·D·吉兰
Owner DURA OPERATING