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A must-have in kitchen: the Food Blender The blender has been and is a popular and kitchen appliance. Foods and liquids placed in it are blended or chopped based on the speed set by the operator. Today's food blender can chop ice, make peanut butter, grate cheese, heat soup, and perform many other useful functions. The kitchen food blender is a motorized small appliance. A blade inside a jar is connected to a motor shaft. By varying current to the motor, the blade's speed is controlled. Preventive maintenance can reduce the repairs needed to keep a food blender running for many years. The two most important steps an operator can take are not to overload the blender and to keep the seals tight. How Food Blenders Work Applications Applications in science Preventive maintenance can reduce the repairs needed to keep a food blender running for many years. The two most important steps an operator can take are not to overload the blender and to keep the seals tight. The first electric blender was devel- oped in 1922, spe- cifically for making malts and milk shakes at soda fountains. Blenders begin to be sold to drug store soda fountain to make Horlick's malted milk shakes. Manteinance ENGINE POWER The more power in the engine, the more force is generated to the cutting blades. For kitchen stan- dard usage, pick a 1 - 1.5 horsepower machine. NUMBER OF BLENDER SPEEDS Available models offer a range from a single speed up to 14 speeds. Just one or two speed blenders are very easy to operate and are often very du- rable. CONTAINER MATERIAL AND CAPACITY Blender jars come in 3 types of materials, glass, plastic, and polycarbonate. Glass blender jars are strong, can withstand a variety of tempera- tures, and are dish- washer safe, but can crack easily. Plastic containers won't crack when you drop them, but they tend to be more diffi- cult to be cleaned. Polycarbonate blender jars are sturdy, can handle extreme tem- peratures, and are dishwasher safe. But they are the most expensive type. Tips on model choice Don’t overload the blender! Mix and crush ice in alcoholic cocktails Keep the seals tight! Usable for various of purposes Blade Jar Shaft Rubber Seal Rubber Seal Handle Cap Window Motor Switcher Speed Controller 1 2 3 Reduce small solids such as spices and seeds Make smooth purées of cooked vegetables and meat Crush ice and other ingredients in Frappucinos and smoothies Blend mixtures of powders, granules and liquids thoroughly The story at a glance Blenders also have a variety of applications in microbiology and food science. In addition to standard food-type blenders, there are a variety of other types of of blenders for laboratoy uses. 1922 Poplawski, received patents for a ma- chine that would reduce fruits and vegetables to a liquid. 1932 The Stevens Electric Company intro- duces the first liquefier blender. 1923 John Oster pur- chased Stevens Elec- tric and the first Osterizer® blender was introduced. 1946 Fred Waring, a popular musician, financed and released the "Miracle Mixer" in 1933. 1933 L. Hamilton, Chester Beach and Fred Osius improves inventor Poplawski's blender, and released a new version. 1937 Osius renames product the Waring Blendor after his financial backer Fred Waring. 1938 Fred Waring redesigned the appliance and released his own blender in 1937, the Waring Blendor. Vitamix introduced a new model with a stainless steel jar, instead of the Pyrex glass jar used by Waring. 1937 Modern Blenders Glass jars Plastic jars Polycarbonate jars Sources: ezinearticles.com - wikipedia.com - home.howstuffworks.com - ideafinder.com
