triz 02function writing exercise
TRANSCRIPT
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T RIZ POWER T OOLS
Function Writing
xercises These Exercises begin with simpler functions and
progress to “confusing functions”. The rules to function writing are found in the appendix to“TRIZ Power Tools—Job #5 Resolving Problems”
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Everyday Language | Functional Language
Everyday Language | Functional Language
The BallBreaks theGlass
?
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Everyday Language | Functional Language
Everyday Language | Functional Language
Ball
Glass
Breaks
(changes # pieces)
The BallBreaks theGlass
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Everyday Language | Functional Language
Everyday Language | Functional Language
?The bearingholds therod
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Everyday Language | Functional Language
Everyday Language | Functional Language
Bearing
Rod
Holds /
Constrains(ControlsPosition)
The bearingholds therod
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Everyday Language | Functional LanguageEveryday Language | Functional Language
?The pipe
conductsthe liquid
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Everyday Language | Functional LanguageEveryday Language | Functional Language
Pipe
Liquid
Conducts
(Controls path)
The pipe
conductsthe liquid
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Everyday Language | Functional LanguageEveryday Language | Functional Language
?The wire
conductselectricity
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Everyday Language | Functional LanguageEveryday Language | Functional Language
Wire
Charges
Conducts(controls path)
Fuzzy Term
The wire
conductselectricity
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Everyday Language | Functional LanguageEveryday Language | Functional Language
?The cap
seals the bottle
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Everyday Language | Functional LanguageEveryday Language | Functional Language
The cap
seals the bottle
Cap
Liquid
Constrains
(Controls position)
Bottle
Constrains(Controls position)
Constrains(Controls position)
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Everyday Language | Functional LanguageEveryday Language | Functional Language
?The
lighteningrod protectsthe house
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Everyday Language | Functional LanguageEveryday Language | Functional Language
Rod
Charges
Conducts
(changes path)
The
lighteningrod protectsthe house
House
Damage
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Everyday Language | Functional LanguageEveryday Language | Functional Language
?The
Thermometermeasures thetemperature
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Everyday Language | Functional LanguageEveryday Language | Functional Language
Liquid
Glass
Cools
The
Thermometermeasures thetemperature
Mercury
Cools
Observer
Informs
Positions
Heats
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Everyday Language | Functional LanguageEveryday Language | Functional Language
The goldimproves the
reliability
Shown is a slidingcontact switch. Goldcoats the switch arm
and the contacts thatstick up.
?
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Everyday Language | Functional LanguageEveryday Language | Functional Language
Gold
Charge
Conducts(controls the
path)
The gold
improvesthereliability
Conductors
Holds(controls the
Position)
Oxy /H20
Stops
(controls thePosition)
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Everyday Language | Functional LanguageEveryday Language | Functional Language
?The paint
stopsdeterioration
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Everyday Language | Functional LanguageEveryday Language | Functional Language
The paint
stopsdeterioration Paint
Holds(controls the
Position)
Oxy /H20
Stops(controls the
Position)
Wood
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Everyday Language | Functional LanguageEveryday Language | Functional Language
The
toothbrush brushes theteeth
?
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Everyday Language | Functional LanguageEveryday Language | Functional Language
bristles
Plaque/food particles
Disturbs
(changeslocation)
The
toothbrush brushes theteeth
Teeth
Holds
(Controlslocation)
Guides
(ControlsPath)
HandlePositions
User Positions
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Everyday Language | Functional LanguageEveryday Language | Functional Language
?The Oil
Lubricatesthe piston
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Everyday Language | Functional LanguageEveryday Language | Functional Language
The Oil
Lubricatesthe piston
Oil
Piston
Guides(controls
path)
Positions(Controls
Position)Bore
Restrain(Friction)