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Common causes of backfires are: Wankel rotary engines are known for leaking oil into the exhaust system which causes backfire. Poor or unregulated engine timing is often a cause of intake backfires, but can also be responsible for exhaust backfires. Backfires and loud explosion-like sounds are common when an antilag system is present and active.
Two-stroke engines which use crankcase compression do not require a crankcase ventilation system, since all of the gases within the crankcase are then fed into the combustion chamber. Many small four-stroke engines such as lawn mower engines and electricity generators simply use a draught tube connected to the intake system.
Axi-symmetric stall, more commonly known as compressor surge; or pressure surge, is a complete breakdown in compression resulting in a reversal of flow and the violent expulsion of previously compressed air out through the engine intake, due to the compressor's inability to continue working against the already-compressed air behind it.
In 2007, Kohler created a joint venture in China called Kohler-YinXiang Ltd., based in Chongqing, China, to manufacture small gasoline engines, and intends to begin importing more of their engines, rather than building them in the US. [12] [13] Kohler's UK subsidiary is the Cheltenham-based Kohler Mira Ltd, best known for manufacturing Mira ...
Pressure in cylinder pattern in dependence on ignition timing: (a) - misfire, (b) too soon, (c) optimal, (d) too late. In a spark ignition internal combustion engine, ignition timing is the timing, relative to the current piston position and crankshaft angle, of the release of a spark in the combustion chamber near the end of the compression stroke.
Lombardini. Lombardini Srl was an Italian manufacturer of diesel engines up to 134HP, which is now part of American manufacturer Kohler Co. after acquisition. The company was founded in Reggio Emilia by brothers Adelmo and Rainero Lombardini in 1933 under the name of "Lombardini Fabbrica Italiana Motori S.p.A.".
During engine idle, brief but periodic negative pressure pulses in the exhaust system draw air through the aspirator valve and into the exhaust stream at the catalytic converter. This system, marketed as Pulse Air, was used by American Motors, Chrysler, and other manufacturers beginning in the 1970s. The aspirator provided advantages in cost ...
The Kohler Company was founded in Sheboygan, Wisconsin in 1873, when John Michael Kohler II (1844–1900) took over his father-in-law's steel and iron factory. During the late 19th century it prospered as the producer of plumbing products and enamelware. In 1912, land around a new factory just west of Sheboygan became the Village of Kohler ...