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Scavenging is the process of replacing the exhaust gas in a cylinder of an internal combustion engine with the fresh air/fuel mixture (or fresh air, in the case of direct-injection engines) for the next cycle. If scavenging is incomplete, the remaining exhaust gases can cause improper combustion for the next cycle, leading to reduced power ...
stihl.com. Andreas Stihl AG & Co.(commonly referred to as Stihland styled as STIHL, /stiːl/ ⓘ,[3]German:[ʃtiːl]) is a German manufacturer of chainsawsand other handheld power equipment including trimmersand blowers headquarted in Waiblingen, Baden-Württemberg, near Stuttgart, Germany. Stihl was founded in 1926 by Andreas Stihl, an ...
A leaf blower, commonly known as a blower, is a device that propels air out of a nozzle to move debris such as leaves and grass cuttings. Leaf blowers are powered by electric or gasoline motors. Gasoline models have traditionally been two-stroke engines, but four-stroke engines were recently introduced to partially address air pollution concerns.
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String trimmer. A man using a gasoline-powered string trimmer. A string trimmer, also known by the portmanteau strimmer and the trademarks Weedwacker, Weed Eater and Whipper Snipper, [ 1][ a] is a garden tool for cutting grass, small weeds, and groundcover. It uses a whirling monofilament line instead of a blade, which protrudes from a rotating ...
Number of employees. 13,800 (2023)[ 2] Website. husqvarnagroup.com. The Husqvarna Group ( Swedish pronunciation: [ˈhʉ̂ːsˌkvɑːɳa ˈɡruːp]) is a Swedish manufacturer of outdoor power products including robotic lawn mowers, chainsaws, trimmers, brushcutters, cultivators, and garden tractors. Founded as a firearms manufacturer in 1689, it ...
An illustration of several key components in a typical four-stroke engine. For a four-stroke engine, key parts of the engine include the crankshaft (purple), connecting rod (orange), one or more camshafts (red and blue), and valves. For a two-stroke engine, there may simply be an exhaust outlet and fuel inlet instead of a valve system.
Simplicity Manufacturing Company is an American company based in Port Washington, Wisconsin that builds lawn and garden equipment under various brands. The company was founded by William J. Niederkorn in 1922, and started building walk-behind two-wheeled tractors in 1939. Between 1941 and 1945, due to World War II, Simplicity Manufacturing ...