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In four-stroke cycle engines and some two-stroke cycle engines, the valve timing is controlled by the camshaft. It can be varied by modifying the camshaft, or it can be varied during engine operation by variable valve timing. It is also affected by the adjustment of the valve mechanism, and particularly by the tappet clearance.
Yanmar was founded in March 1912 in Osaka, Japan, [2] by Magokichi Yamaoka. [3] [4] When the company began in 1912, it manufactured gasoline-powered engines. [5] In 1920 the company began production of a small kerosene engine. [6] In 1933, it launched the world's first practical small diesel engine, the HB model. [5] [7] [8]
A Yanmar 2GM20 marine diesel engine, installed in a sailboat. The center pulley is the crankshaft , the lower left one the seawater pump , the upper right one the alternator . The Yanmar 2GM20 is a series of inboard marine diesel engines manufactured by the Japanese company Yanmar Co. Ltd.
For twin-cam or DOHC engines, VCT was used on either the intake or exhaust camshaft. (Engines that have VCT on both camshafts are now designated as Ti-VCT.↓) The use of variable camshaft timing on the exhaust camshaft is for improved emissions, and vehicles with VCT on the exhaust camshaft do not require exhaust gas recirculation (EGR) as retarding the exhaust cam timing achieves the same ...
A timing mark is an indicator used for setting the timing of the ignition system of an engine, typically found on the crankshaft pulley (as pictured) or the flywheel. [1] These have the largest radius rotating at crankshaft speed and therefore are the place where marks at one degree intervals will be farthest apart.
King Charles III and Queen Camilla formally bid farewell to the Emir of Qatar Sheikh Tamim bin Hamad Al Thani and his wife Sheikha Jawaher as they leave Buckingham Palace on Dec. 4, 2024, in London.
Eggs sold at Costco that may be contaminated with salmonella are being recalled. The recall covers Kirkland Signature Organic Pasture Raised 24-Count Eggs.
Fair-catch free kick rule. Here's the exact wording of the NFL's rule on fair catches, from Rule 10, Section 2, Article 4: "After a fair catch is made or is awarded as the result of fair catch ...