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2. Product - Categorize product trend survey (2)

2. Product - Categorize product trend survey (2). Category of product trend survey. Major companies of Household water purifier*. Major companies of Portable water purifier. ① Searching website ② Under $20 ③ Non-Electrical devices ④ Exclusion chemical method. Companies of low-cost

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2. Product - Categorize product trend survey (2)

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  1. 2. Product - Categorize product trend survey (2) Category of product trend survey Major companies of Household water purifier* Major companies of Portable water purifier ① Searching website ② Under $20 ③ Non-Electrical devices ④ Exclusion chemical method Companies of low-cost water purifier *Source : U.S. Market for Residential Water Treatment Products, 2008, SBI

  2. 2. Product - Classify by result of the product analysis (3) Household Portable Filtration UV Irradiation Hybrid Filtration UV Irradiation Hybrid Under-the-Sink(UTS) Unit Counter-Top Unit Faucet-Mounted Unit Flow-Through Unit Pump Type Flow-Through Straw Type Shower head

  3. 3. Technology - Classify effective range of technology (1) Barley stone Filtration System Physical method Electrical devices Existing Filtration Adsorptive Activate carbon Other Cartridge Filtration Chemical method Non-Electrical devices Mechanical Sand Filtration Other Microfiltration Biological method Competitive Technologies Ion Exchange Reverse Osmosis Ultrafiltration Membrane Separation Other Disinfection Ultraviolet(UV) Ozone Treatment :The excluded range of Search Evaporator Other :The range of Search : The range of technical factors through 3P analysis Chelating Agents & Zeolites *Source : Filters to 2013 (US industry forecasts for 2013 & 2018), 2009, The Freedonia Group(revised by R&D Patent center)

  4. 3. Technology - Classify applied technology (2) Applied technology factors Pretreatment Filter Shape Single layer Multi layer Ball Hybrid Material Activated Carbon Polyester Polypropylene Ceramic Mesh Semi-permanent glanular material Hybrid Method Pre-filtration Sediment filtration

  5. 3. Technology - Classify applied technology (3) Applied technology factors Pretreatment Filter Membrane Filter Hollow fiber filter Activated Carbon Reverse Osmosis Polyester Nano filter polypropylene Micro Filtration Ceramic Ion Exchange Mesh Hybrid Micro Filtration+ Reverse Osmosis fitter Micro Filtration+ Hollow fiber filter Securing of pressure Pressurization Pump method Gravity method Suction method Pressure loss Adjust filter pore size Value-added function Sterilization Absorption Ultraviolet rays

  6. Process of patent analysis

  7. 1. Process of patent analysis • Searching, Analyzing and Classifying about Securing of pressure / Prefilter Simpler Hollow fiber membrane Minimization of fouling phenomenon Faster Securing of pressure Clean Prefilter Removal of turbidity Durability and semi-permanence Ease of cleaning and replacement : 1st Patent analysis : Future progress expected Sterilization technology Removal of bacteria (except for heavy metal, virus, etc.) Ease of combination with prefilter or polymer hollow fiber membrane

  8. 2. Searching patent information with key words Prefilter Securing of pressure • (정수* or 정화* or 여과* or (water* and (purif* or seperat*)) or waterpurif*) and ((전처리* and 필터*) or 전처리필터* or (프리* and 필터*) or 프리필터* or (세디먼트* and 필터*) or 세디필터* or (선처리* and 필터*) or 선처리필터* or 녹물* or 불순* or 녹찌꺼기* or 부유* or 흙탕물* or 흙물* or 모래* or 이물질* or (pre* and filt*) or prefilt* or (sediment* and Filt*) or sedimentfilt* or rust* or Scal* or Dirt* or Silt* or contamin* or impuri* or float* or mud* or sand* or foreign* or alien* or bacteria* or virus* or cyst* or giardia* or cryptosporidium* or chlorine* or metal* or taste* or odor*) and (내구* or 기계적* or 강도* or 영구* or 반영구* or 지속* or 저가* or 저가* or 염가* or (낮은* and 가격*) or (낮은* and 단가*) or 저비용* or (낮은* and 비용*) or durabili* or endur* or persist* or semipermanen* or semiinfinit* or permanen* or infinit* or etern* or lasting* or long* or cheap* or economic* or inexpens* or reason* or (low* and cost*) or (low* and price*)) • ((water* and (purif* or Seperat*)) or waterpurif*) and ((pre* and filt*) or prefilt* or (sediment* and Filt*) or sedimentfilt* or rust* or Scal* or Dirt* or Silt* or contamin* or impuri* or float* or mud* or sand* or foreign* or alien* or bacteria* or virus* or cyst* or giardia* or cryptosporidium* or chlorine* or metal* or taste* or odor*) and (durabili* or endur* or persist* or semipermanen* or semiinfinit* or permanen* or infinit* or etern* or lasting* or long* or cheap* or economic* or inexpens* or reason* or (low* and cost*) or (low* and price*)) • (가정* or 휴대* or 간이* or 캠핑* or 야영* or 등산* or 여행* or 군용* or 군사용* or 극한* or 익스트림* or 오지* or famil* or home* or house* or potab* or hand* or simpl* or camp* or hik* or travel* or trip* or tour* or jouney* or militar* or extrem* or wild* or backwood* or remot*) and (정수* or 정화* or 여과* or (water* and (purif* or filt* or clean* or dispens*)) or waterpurif* or waterfilt* or waterclean* or waterdistpens* or hydrostatic*) and (압력* or pressure* or 펌프* or 피스톤* or 인젝터* or 주입* or 흡입* or pump* or piston* or inject* or squeez* or suck*) not (전기* or 전자* or 전원* or 배터리* or 베터리 or 자외선* or 화학* or 촉매* or 산 or 기체* or 차량* or 엔진* or electric* or power* or batter* or UV or Ultraviolet* or chemical* or catalyst* or acid* or gas* or air* or car* or vehicle* or engine*) • (famil* or home* or house* or potab* or hand* or simpl* or camp* or hik* or travel* or trip* or tour* or jouney* or militar* or extrem* or wild* or backwood* or remot*) and ((water* and (purif* or filt* or clean* or dispens*)) or waterpurif* or waterfilt* or waterclean* or waterdistpens* or hydrostatic*) and (pressure* or pump* or piston* or inject* or squeez* or suck*) not (electric* or power* or batter* or UV or Ultraviolet* or chemical* or catalyst* or acid* or gas* or air* or car* or vehicle* or engine*)

  9. 3. Analyze patent (1) Patent Information Technical Overview • Title – Compact water filtration pump • Inventor – SweetWater, Inc • Patent Number – US5534145 • Pub.Date – 1994.08.15 • Status of Right – maintenance • Abstract A pump for fluid filtration, said pump comprising: a housing; a piston rod slidably mounted on said housing for movement along a first axis of said housing; a piston affixed to a lower end of said piston rod; elongated lever means having one end pivotably attached to an upper portion of said housing and attachable at an intermediate location of said lever means to a cross head on an upper end of said piston rod for slidably moving said piston along said first axis of said housing when said lever means is pivoted; a pump cylinder having an upper end mounted to said housing for enabling said piston to slide within a circular inner bore of said cylinder; a lower end of said cylinder having inlet means for enabling fluid to enter said inner bore of said cylinder when said piston moves away from said inlet means; a replaceable filter cartridge; connector means for removably engaging said replaceable filter cartridge with said housing, said replaceable filter cartridge including: cylindrical filtering means concentric with and surrounding said pump cylinder; an inner plenum formed between an upper end portion of said pump cylinder and said filtering means for enabling a substantially uniform, laminar flow of unfiltered fluid to be pumped from said inner bore and through said inner plenum and through said filtering means when said piston moves within said inner bore; and baffle means abutting said cylindrical filtering means and adjacent said inner plenum at an upper end of said inner bore for directing said substantially uniform flow of fluid pumped from said inlet means and through said inner bore into said inner plenum and through said filtering means; and outlet means disposed at an upper end of said cartridge for enabling said fluid to exit said filter cartridge after said fluid is pumped through said filtering means at said substantially uniform flow. Exit Plenum Inlet

  10. 3. Analyze patent (2) Patent Information Technical Overview • Title – Portable water purification system • Inventors – Teledyne Industries, Inc. • Patent Number– US5589066 • Pub.Date – 1994.07.22 • Status of Right– maintenance • Abstract portable water purification system has a prefiler, a pumping unit, a reverse osmosis unit, a microbial control unit and a post filter for removing nuclear, biological, chemical and other contaminants from a water source. The hand operated pumping unit has a feed water cylinder and a concentrate cylinder to control ratios between intake and concentrate volumes. The system further prolongs the life of components by reducing the level of contaminants in contact with parts of the system. Concentrate Piston Feed water Piston Pressure Relief Valve Exiting Valve

  11. 4. Related patents (1) Raw water discharge pump(D107) Leverage combined pump(D1) Spring-coupled pump (D120) Hand pump (D46) BellowsType (D139) Straw Type (D30)

  12. 4. Related patents (2) US7402239 US6344146 US5120437 US5106500 US4714550 US4477347 EP01979272A1 JP2010247129A2 JP20060758112A2 JP2000301139A2 JP2000137549A2 JP11266737A2 JP10314726A2 JP10156386A2 JP09057248A2 JP09029235A2 JP09010763A2 JP08001148A2

  13. Design Concept

  14. 1. Benchmarking patent Patent Information Technical Overview • Title – Apparatus for low cost water disinfection • Inventor – WaterHealth International, Inc. • Patent Number –US6419821 • Pub.Date – 2000. 02. 25 • Status of Right – extinguishment • Abstract A low cost system for providing drinking water includes a feed water container with a simple ceramic filter covering an outlet of the feed water container. The preferred filter is generally cylindrically shaped with a bore extending partially therethrough, in a configuration commonly referred to as a 'ceramic candle' filter in developing countries. Under force of gravity, feed water filters through the ceramic to a storage container below. The filtered water is irradiated with ultraviolet (UV) energy either as it flows or after collection in the storage container. In one embodiment, filtered water is temporarily collected in an intermediate holding tank, where it can be irradiated constantly on in batches and periodically released to the lower container. Filtration through ceramic provides clear water with a low UV extinction coefficient for more efficient UV disinfection. Additionally, gravity fed filtration through ceramic provides a slow rate of water flow and a consequently high UV dose for a given UV intensity. Water disinfection Unit Using Gravity Ceramic filter Lid Inlet Upper Container Ceramic Filter Central Bore Outlet Pipe Lower Container Tap Circuit Inverted Cup UV Lamp

  15. 2. Design Concept (1)

  16. 2. Design Concept (2)

  17. 3. Design Concept improvement (1)   <Push> <Pull>

  18. 3. Design Concept improvement (2) ① Pulling ① Push ② Non-Fix ③ Fix ② Inflow water ③ Drain water

  19. 3. Design Concept improvement (3) • Simpler, Faster , but Clean! • Piston* • Lid • Pre-Filtering Net • Upper Container • Ceramic Filter • Lower Container • Hollow Fiber Membrane • Faucet for Drinking • Faucet for Life

  20. 4. Prototype

  21. Thank you

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