WO2009047520A3 - Improvements in park brakes of vehicles - Google Patents

Improvements in park brakes of vehicles Download PDF

Info

Publication number
WO2009047520A3
WO2009047520A3 PCT/GB2008/003436 GB2008003436W WO2009047520A3 WO 2009047520 A3 WO2009047520 A3 WO 2009047520A3 GB 2008003436 W GB2008003436 W GB 2008003436W WO 2009047520 A3 WO2009047520 A3 WO 2009047520A3
Authority
WO
WIPO (PCT)
Prior art keywords
vehicles
park brakes
park
stable
uni
Prior art date
Application number
PCT/GB2008/003436
Other languages
French (fr)
Other versions
WO2009047520A2 (en
Inventor
Jonathan Charles Wheals
Jonathan Seed
Original Assignee
Ricardo Uk Ltd
Jonathan Charles Wheals
Jonathan Seed
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GB0719734A external-priority patent/GB0719734D0/en
Priority claimed from GB0722190A external-priority patent/GB0722190D0/en
Application filed by Ricardo Uk Ltd, Jonathan Charles Wheals, Jonathan Seed filed Critical Ricardo Uk Ltd
Publication of WO2009047520A2 publication Critical patent/WO2009047520A2/en
Publication of WO2009047520A3 publication Critical patent/WO2009047520A3/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
    • F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
    • F16H63/30—Constructional features of the final output mechanisms
    • F16H63/34—Locking or disabling mechanisms
    • F16H63/3416—Parking lock mechanisms or brakes in the transmission
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
    • F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
    • F16H63/30—Constructional features of the final output mechanisms
    • F16H63/34—Locking or disabling mechanisms
    • F16H63/3416—Parking lock mechanisms or brakes in the transmission
    • F16H63/3425—Parking lock mechanisms or brakes in the transmission characterised by pawls or wheels
    • F16H63/3433—Details of latch mechanisms, e.g. for keeping pawls out of engagement

Abstract

A park brake mechanism of a vehicle has a bi-stable latch giving alternative stable conditions of engagement and disengagement in response to a repeated uni-directional input pulse. Various embodiments are disclosed.
PCT/GB2008/003436 2007-10-09 2008-10-09 Improvements in park brakes of vehicles WO2009047520A2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB0719734.6 2007-10-09
GB0719734A GB0719734D0 (en) 2007-10-09 2007-10-09 Improvements in park brakes of vehicles
GB0722190.6 2007-11-12
GB0722190A GB0722190D0 (en) 2007-11-12 2007-11-12 Improvements in park brakes of vehicles

Publications (2)

Publication Number Publication Date
WO2009047520A2 WO2009047520A2 (en) 2009-04-16
WO2009047520A3 true WO2009047520A3 (en) 2009-06-11

Family

ID=40510599

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2008/003436 WO2009047520A2 (en) 2007-10-09 2008-10-09 Improvements in park brakes of vehicles

Country Status (1)

Country Link
WO (1) WO2009047520A2 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8925706B2 (en) 2012-09-26 2015-01-06 Dana Automotive Systems Group, Inc. Vehicle parking brake control lever and pin with rollers
JP7059907B2 (en) 2018-11-28 2022-04-26 トヨタ自動車株式会社 Parking lock device
DE102020203452A1 (en) 2020-03-18 2021-09-23 Mahle International Gmbh Parking lock for a transmission of an electric or hybrid vehicle
DE102020206988A1 (en) * 2020-06-04 2021-12-09 Zf Friedrichshafen Ag Parking lock for a motor vehicle
DE102020120621B4 (en) 2020-08-05 2022-05-19 Schaeffler Technologies AG & Co. KG Parking lock actuation system and method for operating a parking lock actuation system
DE102020120619B4 (en) 2020-08-05 2022-05-19 Schaeffler Technologies AG & Co. KG parking lock actuation system
DE102020120622B4 (en) 2020-08-05 2022-05-19 Schaeffler Technologies AG & Co. KG Method for resetting a parking lock actuation system and a parking lock actuation system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0122750A1 (en) * 1983-04-15 1984-10-24 William Alexander Barr Safety parking brake for automatic transmissions
DE10034746A1 (en) * 1999-07-28 2001-02-01 Luk Lamellen & Kupplungsbau Discrete gearbox for vehicle has parking lock that can be operated by gear wheel engagement/disengagement actuator to lock driven shaft
US6332257B1 (en) * 1999-04-30 2001-12-25 Chrysler Corporation Method of converting an existing vehicle powertrain to a hybrid powertrain system
EP1447291A1 (en) * 1997-05-14 2004-08-18 JSJ Corporation Park-position interlock system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0122750A1 (en) * 1983-04-15 1984-10-24 William Alexander Barr Safety parking brake for automatic transmissions
EP1447291A1 (en) * 1997-05-14 2004-08-18 JSJ Corporation Park-position interlock system
US6332257B1 (en) * 1999-04-30 2001-12-25 Chrysler Corporation Method of converting an existing vehicle powertrain to a hybrid powertrain system
DE10034746A1 (en) * 1999-07-28 2001-02-01 Luk Lamellen & Kupplungsbau Discrete gearbox for vehicle has parking lock that can be operated by gear wheel engagement/disengagement actuator to lock driven shaft

Also Published As

Publication number Publication date
WO2009047520A2 (en) 2009-04-16

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