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GB2430243B - Mechanism for protecting an internal combustion engine from damage caused by excessive rotational speed - Google Patents

Mechanism for protecting an internal combustion engine from damage caused by excessive rotational speed

Info

Publication number
GB2430243B
GB2430243B GB0519071A GB0519071A GB2430243B GB 2430243 B GB2430243 B GB 2430243B GB 0519071 A GB0519071 A GB 0519071A GB 0519071 A GB0519071 A GB 0519071A GB 2430243 B GB2430243 B GB 2430243B
Authority
GB
United Kingdom
Prior art keywords
engine
protecting
internal combustion
clutch
driven wheel
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
GB0519071A
Other versions
GB2430243A (en
GB0519071D0 (en
Inventor
James William Griffith Turner
Steven Kenchington
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lotus Cars Ltd
Original Assignee
Lotus Cars Ltd
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
Application filed by Lotus Cars Ltd filed Critical Lotus Cars Ltd
Priority to GB0519071A priority Critical patent/GB2430243B/en
Publication of GB0519071D0 publication Critical patent/GB0519071D0/en
Publication of GB2430243A publication Critical patent/GB2430243A/en
Application granted granted Critical
Publication of GB2430243B publication Critical patent/GB2430243B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D48/00—External control of clutches
    • F16D48/06—Control by electric or electronic means, e.g. of fluid pressure
    • F16D48/08—Regulating clutch take-up on starting
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D25/00—Fluid-actuated clutches
    • F16D25/08—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member
    • F16D25/088—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member the line of action of the fluid-actuated members being distinctly separate from the axis of rotation
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D48/00—External control of clutches
    • F16D48/06—Control by electric or electronic means, e.g. of fluid pressure
    • F16D48/066—Control of fluid pressure, e.g. using an accumulator
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D48/00—External control of clutches
    • F16D48/06—Control by electric or electronic means, e.g. of fluid pressure
    • F16D48/10—Preventing unintentional or unsafe engagement
    • 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
    • F16H61/00—Control 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
    • F16H61/16—Inhibiting or initiating shift during unfavourable conditions, e.g. preventing forward reverse shift at high vehicle speed, preventing engine over speed
    • 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
    • F16H61/00—Control 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
    • F16H61/18—Preventing unintentional or unsafe shift, e.g. preventing manual shift from highest gear to reverse gear
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B11/00—Automatic controllers
    • G05B11/01—Automatic controllers electric
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/30—Signal inputs
    • F16D2500/302—Signal inputs from the actuator
    • F16D2500/3024—Pressure
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/30—Signal inputs
    • F16D2500/306—Signal inputs from the engine
    • F16D2500/3067—Speed of the engine
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/30—Signal inputs
    • F16D2500/314—Signal inputs from the user
    • F16D2500/31406—Signal inputs from the user input from pedals
    • F16D2500/31413—Clutch pedal position
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/50—Problem to be solved by the control system
    • F16D2500/504—Relating the engine
    • F16D2500/5046—Preventing engine over-speed, e.g. by actuation of the main clutch
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/50—Problem to be solved by the control system
    • F16D2500/512—Relating to the driver
    • F16D2500/5126—Improving response to driver inputs
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/70—Details about the implementation of the control system
    • F16D2500/704—Output parameters from the control unit; Target parameters to be controlled
    • F16D2500/70422—Clutch parameters
    • F16D2500/70424—Outputting a clutch engaged-disengaged signal
    • 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
    • F16H61/00—Control 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
    • F16H61/16—Inhibiting or initiating shift during unfavourable conditions, e.g. preventing forward reverse shift at high vehicle speed, preventing engine over speed
    • F16H2061/166—Preventing or initiating shifts for preventing stall or overspeed of engine

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)

Abstract

A mechanism for protecting an internal combustion engine from damage from excessive speeds of revolution. The mechanism is used in a vehicle having a driven wheel connected to the engine via a clutched manual transmission with a manually operable clutch control (10). The mechanism has a detector (21, 22, 23) for detecting a condition in which the engine is decoupled from the driven wheel by the clutch and a combination of driven wheel speed and a manually selected gear ratio would result in an excessive speed of revolution of the engine if the clutch was closed to couple the engine and the driven wheel. Decoupling means (17) decouples the clutch control from the clutch when the said condition is detected by the detector (21, 22, 23).
GB0519071A 2005-09-19 2005-09-19 Mechanism for protecting an internal combustion engine from damage caused by excessive rotational speed Expired - Fee Related GB2430243B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0519071A GB2430243B (en) 2005-09-19 2005-09-19 Mechanism for protecting an internal combustion engine from damage caused by excessive rotational speed

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0519071A GB2430243B (en) 2005-09-19 2005-09-19 Mechanism for protecting an internal combustion engine from damage caused by excessive rotational speed

Publications (3)

Publication Number Publication Date
GB0519071D0 GB0519071D0 (en) 2005-10-26
GB2430243A GB2430243A (en) 2007-03-21
GB2430243B true GB2430243B (en) 2007-08-15

Family

ID=35249016

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0519071A Expired - Fee Related GB2430243B (en) 2005-09-19 2005-09-19 Mechanism for protecting an internal combustion engine from damage caused by excessive rotational speed

Country Status (1)

Country Link
GB (1) GB2430243B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2491628A (en) * 2011-06-09 2012-12-12 Ford Global Tech Llc Inhibiting, delaying or slowing down clutch engagement due to unsuitable vehicle parameters
JP2016141230A (en) * 2015-01-30 2016-08-08 本田技研工業株式会社 Hydraulic oil pressure shift lock mechanism
JP6477658B2 (en) * 2016-10-18 2019-03-06 トヨタ自動車株式会社 Clutch operating device
KR101798114B1 (en) * 2017-05-08 2017-11-15 콘티넨탈 오토모티브 게엠베하 Apparatus and method to control transmission of dual clutch transmission
DE102017110332B3 (en) 2017-05-12 2018-06-21 Schaeffler Technologies AG & Co. KG Method for avoiding bursting damage to a drive train of a vehicle

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5020361A (en) * 1989-09-14 1991-06-04 Navistar International Transportation Corp. Engine overspeed sensing and readout
EP0516309A2 (en) * 1991-05-25 1992-12-02 Massey Ferguson S.A. Clutches

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5020361A (en) * 1989-09-14 1991-06-04 Navistar International Transportation Corp. Engine overspeed sensing and readout
EP0516309A2 (en) * 1991-05-25 1992-12-02 Massey Ferguson S.A. Clutches

Also Published As

Publication number Publication date
GB2430243A (en) 2007-03-21
GB0519071D0 (en) 2005-10-26

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20130919