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Slingshot is a water purification device created by inventor Dean Kamen.〔Ulanoff, Lance. ("Dean Kamen Honored by Popular Mechanics" ), ''PC Magazine'', October 9, 2009. Accessed October 20, 2009.〕 Powered by a Stirling engine running on a combustible fuel source, it claims to be able to produce drinking water from almost any source〔Malnson, Donald. ("Dean Kamen aims to clean water, generate electricity with Slingshot machine" ), Engadget, April 23, 2008. Accessed October 20, 2009.〕 by means of vapor compression distillation, requires no filters, and can operate using cow dung as fuel. The name of the machine is a reference to the slingshot used by David to defeat Goliath. ==Technical characteristics== In his TEDMED 2010 presentation, Kamen announced several goals for and characteristics of the machine: * five years of operation without overhaul or maintenance * use less than a kilowatt of power (lower than the power consumption of a hair dryer) * generate 1000 liters of pure water/day, enough for 100 people for hygiene and cooking * meets the U.S. pharmacopoeic standard for water for injections * requires no pre-treatment, pipelines, engineers, consumables (osmosis membranes, charcoal, etc.), or installation permits 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Slingshot (water vapor distillation system)」の詳細全文を読む スポンサード リンク
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