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1. WO2021004571 - METHOD FOR DETECTING EMERGENCY UNLOCKING OF A PARK LOCK

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Publication Number WO/2021/004571
Publication Date 14.01.2021
International Application No. PCT/DE2020/100506
International Filing Date 16.06.2020
IPC
F16H 61/12 2010.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
HGEARING
61Control functions within change-speed- or reversing-gearings for conveying rotary motion
12Detecting malfunction or potential malfunction, e.g. fail safe
F16H 63/34 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
HGEARING
63Control outputs to change-speed- or reversing-gearings for conveying rotary motion
02Final output mechanisms therefor; Actuating means for the final output mechanisms
30Constructional features of the final output mechanisms
34Locking or disabling mechanisms
CPC
F16H 2061/1212
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
HGEARING
61Control functions within ; control units of; change-speed- or reversing-gearings for conveying rotary motion ; ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
12Detecting malfunction or potential malfunction, e.g. fail safe
1208with diagnostic check cycles; Monitoring of failures
1212Plausibility checks; Counting means for repeated failures
F16H 61/12
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
HGEARING
61Control functions within ; control units of; change-speed- or reversing-gearings for conveying rotary motion ; ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
12Detecting malfunction or potential malfunction, e.g. fail safe
F16H 63/3425
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
HGEARING
63Control outputs ; from the control unit; to change-speed- or reversing-gearings for conveying rotary motion ; or to other devices than the final output mechanism
02Final output mechanisms therefor; Actuating means for the final output mechanisms
30Constructional features of the final output mechanisms
34Locking or disabling mechanisms
3416Parking lock mechanisms or brakes in the transmission
3425characterised by pawls or wheels
F16H 63/3458
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
HGEARING
63Control outputs ; from the control unit; to change-speed- or reversing-gearings for conveying rotary motion ; or to other devices than the final output mechanism
02Final output mechanisms therefor; Actuating means for the final output mechanisms
30Constructional features of the final output mechanisms
34Locking or disabling mechanisms
3416Parking lock mechanisms or brakes in the transmission
3458with electric actuating means, e.g. shift by wire
F16H 63/3483
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
HGEARING
63Control outputs ; from the control unit; to change-speed- or reversing-gearings for conveying rotary motion ; or to other devices than the final output mechanism
02Final output mechanisms therefor; Actuating means for the final output mechanisms
30Constructional features of the final output mechanisms
34Locking or disabling mechanisms
3416Parking lock mechanisms or brakes in the transmission
3483with hydraulic actuating means
F16H 63/3491
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
HGEARING
63Control outputs ; from the control unit; to change-speed- or reversing-gearings for conveying rotary motion ; or to other devices than the final output mechanism
02Final output mechanisms therefor; Actuating means for the final output mechanisms
30Constructional features of the final output mechanisms
34Locking or disabling mechanisms
3416Parking lock mechanisms or brakes in the transmission
3491Emergency release or engagement of parking locks or brakes
Applicants
  • SCHAEFFLER TECHNOLOGIES AG & CO. KG [DE]/[DE]
Inventors
  • ENDERS, Timo
  • MANNSPERGER, Ralf
Priority Data
10 2019 118 485.109.07.2019DE
Publication Language German (DE)
Filing Language German (DE)
Designated States
Title
(DE) VERFAHREN ZUR ERKENNUNG EINER NOTENTRIEGELUNG EINER PARKSPERRE
(EN) METHOD FOR DETECTING EMERGENCY UNLOCKING OF A PARK LOCK
(FR) PROCÉDÉ DE DÉTECTION D’UN DÉVERROUILLAGE D’URGENCE D’UN VERROUILLAGE DE STATIONNEMENT
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Abstract
(DE)
Die Erfindung betrifft ein Verfahren zur Erkennung einer Notentriegelung einer Parksperre, bei welchem die Parksperre (1) durch einen hydraulischen Parksperrenbetätiger (16) aktiviert bzw. deaktiviert wird, indem ein Haltemagnet (21) einen Kolben (22) eines Hydraulikzylinders (23) des Parksperrenbetätigers (16) feststellt oder freigibt, wobei durch eine von einem Parksperrenaktor (9) ausgelöste Bewegung einer Hydraulikflüssigkeit (11) eine Parksperrenklinke (2) in ein Parksperrenrad (3) ein- oder ausgeklinkt wird. Bei einem Verfahren, bei welchem sicher eine aktivierte oder deaktivierte Notentriegelung der Parksperre erkannt werden kann, wird ein Strom (I) des elektrischen Parksperrenaktors (9) ausgewertet, wenn der Parksperrenaktor (9) versucht, die Parksperre (1) zu öffnen.
(EN)
The invention relates to a method for detecting emergency unlocking of a park lock, in which the park lock (1) is activated and deactivated by a hydraulic park lock operating means (16) in that a retaining magnet (21) immobilises or releases a piston (22) of a hydraulic cylinder (23) of the park lock operating means (16), a park lock pawl (2) engaging in or disengaging from a park lock wheel (3) as a result of a movement of a hydraulic fluid (11) triggered by a park lock actuator (9). In a method in which an activated or deactivated emergency unlocking of the park lock can be detected reliably, a current (I) of the electrical park lock actuator (9) is evaluated when the park lock actuator (9) attempts to open the park lock (1).
(FR)
L’invention concerne un procédé de détection d’un déverrouillage d’urgence d’un verrouillage de stationnement, dans lequel le verrouillage de stationnement (1) est activé ou désactivé au moyen d’un actionneur de verrouillage de stationnement hydraulique (16), par la fixation ou libération d’un piston (22) d’un cylindre hydraulique (23) de l’actionneur de verrouillage de stationnement (16) au moyen d’un aimant de retenue (21), un mouvement d’un liquide hydraulique (11) déclenché par un actionneur de verrouillage de stationnement (9) amenant un loquet de verrouillage de stationnement (2) à s’encliqueter ou se désencliqueter dans une roue de verrouillage de stationnement (3). Dans un procédé, dans lequel un déverrouillage d’urgence activé ou désactivé peut être détecté de manière sûre, un courant (I) de l’actionneur de verrouillage de stationnement (9) électrique est évalué lorsque l’actionneur de verrouillage de stationnement (9) essaye d’ouvrir le verrouillage de stationnement (1).
Also published as
DE102019118485
Latest bibliographic data on file with the International Bureau
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