Induction Cooker Essay

375 Words2 Pages
HISTORY Induction cooking has been widely used around the world since 1970. In the early of nineteen century, induction cooking was witnessed for the first time. In 1950s, induction cooker that was first demonstrated at Chicago in a 'World Fair. This demonstration was held by Frigidaire, a company owned by General Motors. In that demonstration, a pot of water is boiled and a piece of newspaper is placed between surface of the induction cooker and the pot to show the convenient and safety of induction cooking. However, the demonstration does not make sense as it did not attract the attention of producer to manufacture it. Since early 1970s, R&D Center of Westinghouse Electric Corporation, USA initiated the modern utilization of induction cooking. These induction cookers used automotive electronic ignition systems’ transistors to manage the electronically-generated high frequency current, that is, 25 kHz current. The stand-alone single-burner range was known as the Cool Top Induction Range. Westinghouse Electric Corporation invented their second induction ranges, Cool Top 2 which consisted of a set of cookware made of Quadruply, with a superior property. The price of this induction range was about US$1500, which is sky-high price at that time. Production took place from 1973 until 1975. In US, induction cooker technology was developed by National Aeronautics and Space Administration (NASA) for the use in space program. Consumer units were subsequently marketed, yet, perplexed by low efficiency, noise problems and reliability. Although induction cookers lose its brightness in the consumer market of US, it extended its influence to the Europe and Asia. During 2000s, European manufacturers made a great discovery in the insulating materials conception for joining the induction generator coils together with the electronics. With recent improvements in

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