Appliance Design - January 2009 - (Page 25)

COMMERCIAL APPLIANCES CookTek’s Icogneeto heating unit reaches a 90 percent of efficiency, meaning that almost all of the energy produces heats the pan. The CookTek Incogneeto Under Granite Buffet System heats a pot through magnetic waves generated under the counter. example might be found at a local pizza parlor that is using the WOW Oven from Middleby Marshall, Elgin, Ill. The conveyor belt can cook a pizza in around 4 minutes, which is 35 percent faster than previous models, and features energy reduction modes to reduce consumption. To cook the pizza, the oven uses vertical columns of heated air blown by squirrel cage blowers through ducts, which the company calls fingers. Bill Schjerven Sr., who is the vice president of engineering for Middleby, says New versions of the Hobart combi-oven will feature a Bluetooth enabled barcode scanner that can be used to download recipes and scan bar codes on food packages and boxes. www.applianceDESIGN.com this type of blower creates more movement than does an axial fan blade and this turbulence is what helps to quickly cook the pizza. During slow periods, the ovens will go into one of three idle modes. Controlling this is an internal PLC, which works with inverters on the blowers, temperature thermocouples, and a photosensor that the company calls its “energy eye.” If no food is placed on the conveyor for a set amount of time, the PLC will direct the blowers to slow, so less heat is pumped out of the end of the oven, and less heat is needed to keep the oven at temperature. When needed, recovery takes about 5 seconds. The second mode occurs after a user configurable amount of inactive time. Here, the blowers slow, burner levels are reduced, and the temperature falls by 100 DegF. When the photosensor detects pizza, the PLC will fire up the burners and blowers, but hold the conveyor until the internal temperature reaches to within 5 degrees of the set cooking temperature. The third mode shuts the system down after a set amount of idle time has passed. However, a standing pilot light remains lit for quick recovery times. Actual times depend on how long the oven has cooled down, but typically it takes only a few minutes to recover. Another unique commercial appliance, and one of the most efficient appliance types on the market, is the Incogneeto Under Granite Buffet System from CookTek, Chicago. The buffet holding unit features an induc- tion charger that is mounted under solid countertop surfaces such as granite or engineered stone. The technology produces an electromagnetic field that travels through the countertop and heats cookware, which is made of magnetic materials. This colors • textures special effects functionality color consulting & technical service 2nd generation bonded metallics large or small volumes custom colors, fast global partnership …any questions? colorworksforyou www.tiger-coatings.com 800.243.8148 applianceDESIGN January 2009 25 7/14/08 11:08:51 AM AD08084Tige.indd 1 http://www.tiger-coatings.us http://www.tiger-coatings.us http://www.appliancedesign.com

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Appliance Design - January 2009 Contents Editorial Shipments/Forecasts News Watch Supplier Spotlights Commercial Appliances Plastics & Parts Electronics Motors Design Marts Association Report: NAFEM Advertiser’s Index

Appliance Design - January 2009

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