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CLUTCH - Coggle Diagram
CLUTCH
Function
Connection point (engine & drivetrain)
Disengage/engage power flow
Safety system (prevent overload)
Requirements
Technical Requirements
Transmit all engine power (no slipping)
Safety mechanism for drivetrain
Good heat dissipation
Specific Requirements
Smoothly engage
Sharply disengage
Controlling force (pedal) suitable
Low inertia moment of driven parts
General Requirements
Dimensions, weights, etc.
Durability
Structure, Manufacture
Classification
By Torque Transmission Methods
Friction Clutch
1 clutch disk
Multiple clutch disks
Coil springs
Diaphragm spring
Wet Clutch
Conventional
Hydraulic Clutch
Torque Converter
Electromagnetic Clutch
By Drive Methods
Mechanical Drive
Linkage
Cable
Hydraulic Drive
Pneumatic powered
Vacuum powered
By Controlling Methods
Driver
Automatic
Structure – Working principle
Friction Clutch
Clutch Construction
Clutch pedal
Push rod
Master cylinder
Hydraulic hose
Release cylinder
Release fork
Clutch cover
Boot
Release bearing
Clutch disk
Fly wheel
Diaphragm spring
Pressure plate
Clutch Operation Flow
Mechanical portion
Hydraulic portion
Mechanism
Drive
Single Plate Clutch (Image Description)
Hydraulic Clutch
Components
Vent
Planetary Gear Sets
Clutch Pack
Front Pump
Torque Converter
Rear Pump
Turbine
Impeller
Stator
Principle
Turbine rotates drive line
Impeller driven by engine
Stator redirects oil flow
Specific parameters
Clutch Reserve Coefficient (β)
Purpose
Ensure all engine torque transmitted
Friction coefficient decreases
Spring force decreases
Clutch disk wears out
Formula: Mms = β * Memax
Memax: maximum engine torque
Mms: friction torque of clutch