Concept design What is a design concept? Clarifying functional requirements Generating design concepts Analyzing alternative designs Developing “product” alternatives Evaluating product alternatives Concept Design Review Information flow & storage Intellectual property protection
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Concept design What is a design concept? Clarifying functional requirements Generating design concepts Analyzing alternative designs Developing “product”
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Concept design
What is a design concept? Clarifying functional requirements Generating design concepts Analyzing alternative designs Developing “product” alternatives Evaluating product alternatives Concept Design Review Information flow & storage Intellectual property protection
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Info flow during formulation and concept design phases
For slowing and stopping a spinning shaft?Alternative Physical principle Abstract Embodiment
1 fluid friction fan blade on shaft2 magnetic field re-generative brake3 surface friction disk and caliper brake
What is an alternative concept design?
For fastening sheets of paper?Alternative Physical principle Abstract Embodiment
1 spring force paperclip2 bent clamp staple3 bendable clamp cotter pin4 adhesion glue
Physical principle
Def. - the means by which some effect is causedConservation of energy Archimedes’ principle Ohm’s law Conservation of mass Bernoulli’s law Ampere’s law Conservation of momentum Boyle’s law Coulomb’s laws of electricity Diffusion law Gauss’ law Newton’s laws of motion Doppler effect Hall effect Newton’s law of gravitation Joule-Thompson effect Photoelectric effect Pascal’s principle Photovoltaic effect Coriolis effect Siphon effect Piezoelectric effect Coulomb friction Thermal expansion effect Euler’s buckling law Hooke’s law Newton’s law of viscosity Poisson effect/ratio Newton’s law of cooling Heat conduction Heat convection Heat radiation
(Pahl & Beitz, European community)
“Working principle” of a disc brake
Note: no sizes, only vague shape
motion(rotation)
physical principle(friction force caused by caliper clamping force)
material(solid)
surface(planar area)
working geometry
Design concept
Definition: abstract embodiment of:
physical principle, material, and geometry.
Surfaces, motion
Purposefully vague
Inputs & outputs to decision making
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FormulationFormulation
Customer Needs
Customer requirementsImportance weightsHouse of QualityEng. characteristicsEng. Design Spec’s
1. open package 2. examine shaver, cord, travel case, and cleaning brush, 3. read instruction booklet 4. fill out warranty card 5. plug in shaver to charge batteries 6. put shaver, case, cord, brush in bathroom cabinet drawer
Daily use 7. remove charged shaver from drawer 8. trim hair 9. shave face or legs 10. remove cutter blade cover 11. brush cutter blade 12. replace cover 13. repeat step 5. 14. store shaver in drawer 15. repeat steps 7-14 until blades need replacing
Def.: A symbol, design, word, or letter used by a manufacturer or dealer to distinguish his products from those of his competitors. Examples: IBM, GE, XEROX, COKE, Pentium
Trademarks
Trade Dress is a distinctive, nonfunctional feature, which distinguishes a merchant's or manufacturer's goods or services from those of another. (appearance)
The trade dress of a product involves the "total image" and can include the color of the packaging, the configuration of goods, etc... Even the theme of a restaurant may be considered trade dress.
Examples include the packaging for Wonder Bread, the tray configuration for Healthy Choice frozen dinners, and the color scheme of Subway sub shops.
Def.: A document granting monopoly rights to produce, use, sell or get profit from an invention, process, plant(biological) or design. Examples: Utility patent - Xerox copying, Canon Laser engine, household appliances, light bulbs, cameras. Process patent - polymers such as Lexan, Rayon, Delrin Design patent - ornamental aspects of a product such as shape, configuration, and/or any surface decoration.
Patents
Def.: A method used to make a product, that is kept secret by the company manufacturing the product. Examples: Coca-Cola, Coors beer, other food recipes