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SBW Rotary polystable 3 position shifter concept.

IP.com Disclosure Number: IPCOM000244946D
Publication Date: 2016-Feb-04

Publishing Venue

The IP.com Prior Art Database

Related People

Jonathan Love: AUTHOR

Abstract

Rotary 3 position Gear Shifter mechanism with optimized solenoid use. In this concept requires only 2 solenoids in providing end of travel hard stops for a 3 position shifter. It should be noted the third solenoid in the concept is for P/N locking in a manner that is not covered in the above mentioned Kostal patent.

This text was extracted from a PDF file.
This is the abbreviated version, containing approximately 53% of the total text.

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SBW Rotary polystable 3 position shifter concept. Inventor: Jon Love

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Concept overview

This concept is a 3 position polystable shifter with a Park button in the center of the knob or located on the shifter bezel.

Features:
End of travel hard stops Park lock
Neutral lock
Auto park

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Patent background

In this concept requires only 2 solenoids in providing end of travel hard stops for a 3 position shifter.

It should be noted the third solenoid in the concept is for P/N locking in a manner that is not covered in the above mentioned Kostal patent.

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Terms and Naming

P/N lock hole #2

Option #2: P button on bezel.

Solenoid #2 (Red center reflects passive/engaged position.)

Park/Neutral lock slot with four equally spaced lock holes

End of travel slot 1

P/N lock hole #1

P/N lock hole #3

Solenoid #1 (White center reflects active/disengaged.)

Solenoid #3

End of travel slot 2

Option #1: P button in center of knob.

P/N lock hole #4

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Park (all solenoids passive/engaged)

With the key off all three solenoids are passive. Solenoid 1 engages one of the 4 locking holes in the Park/Neutral locking slot. This blocks rotation of the shift knob.

With the vehicle in the run position, brake not depressed, the cluster could display a message such as "depress brake to select gear.

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Vehicle in Run mode with brake depressed
(solenoid 2 passive/engaged, solenoid 1 and 3 active/disengaged)

Brake depressed

The shifter turns off solenoid 1 and 2.

The shifter also turns off Park display and displays Neutral.

Note Solenoid 2 engaged in end of travel slot 1 provides end of travel hard stops.

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Reverse

Shift knob rotated clockwise. Solenoid...