an automatic lubricator, is a device fitted to a steam engine to supply lubricating oil to the cylinders and, sometimes, the bearings and axle box mountings as well. there are various types of automatic lubricator, which include various designs of displacement, hydrostatic and mechanical lubricators.
the windmill fantail is an earlier example of automatic control, but since it does not have an amplifier or gain, it is not usually considered a servomechanism. the first feedback position control device was the ship steering engine, used to position the rudder of large ships based on the position of the ship's wheel.
a blowout preventer bop is a specialized valve or similar mechanical device, used to seal, control and monitor oil and gas wells to prevent blowouts, the uncontrolled release of crude oil or natural gas from a well. they are usually installed in stacks of other valves.
an oscillating cylinder steam engine is a variant of the simple expansion steam engine which does not require valves to direct steam into and out of the cylinder. instead of valves, the entire cylinder rocks, or oscillates, such that one or more holes in the cylinder line up with holes in a fixed port face or in the pivot mounting trunnion .
a short block is an engine sub-assembly comprising the portion of the cylinder block below the head gasket but above the oil pan. an in-block cam engine includes the camshaft, timing gear, and any balance shafts. overhead cam engines don't include those parts.
a poppet valve also called mushroom valve is a valve typically used to control the timing and quantity of gas or vapor flow into an engine.. it consists of a hole, usually round or oval, and a tapered plug, usually a disk shape on the end of a shaft also called a valve stem. the portion of the hole where the plug meets with it is called the 'seat' or 'valve seat'.
if this application becomes reliable, these micro-devices could be installed on a global scale and notify homeowners of potentially dangerous compounds. plant sciences. lab-on-a-chip devices could be used to characterize pollen tube guidance in arabidopsis thaliana. specifically, plant on a chip is a miniaturized device in which pollen tissues .
a v12 engine is a twelve-cylinder piston engine where two banks of six cylinders are arranged in a v configuration around a common crankshaft. v12 engines are more common than v10 engines. however, they are less common than v8 engines. the first v12 engine was built in 1904 for use in racing boats.
minecraft is a sandbox video game created by swedish developer markus persson, released by mojang in 2011 and purchased by microsoft in 2014. it is the single best-selling video game of all time, selling over 180 million copies across all platforms by late 2019, with over 112 million monthly active players.. in minecraft, players explore an intentionally blocky, pixelated, procedurally .
a blowout preventer bop is a specialized valve or similar mechanical device, used to seal, control and monitor oil and gas wells to prevent blowouts, the uncontrolled release of crude oil or natural gas from a well.they are usually installed in stacks of other valves. blowout preventers were developed to cope with extreme erratic pressures and uncontrolled flow formation kick emanating .
a gas tap is a specific form of ball valve used in residential, commercial, and laboratory applications for coarse control of the release of fuel gases such as natural gas, coal gas, and syngas . like all ball valves its handle will parallel the gas line when open and be perpendicular when closed, making for easy visual identification of its status.
a valve job is best done with grinding stones and either electric or pneumatic tools. lapping compound and a lapping tool may be used, and is more economical for home auto repair, however lapping will only provide limited results and will not be effective on a valve or seat with anything more than very light wear or damage.
the standard wet liner inline-four engine was a 2,088 cc inline four cylinder petrol engine produced by the standard motor company.originally developed for the ferguson te20 tractor, it was widely used for standard passenger cars of the 1950s, most notably the vanguard.later it was successfully used in standard's popular early generation triumph tr series sports cars.
the family ii is a strht-4 piston engine that was originally developed by opel in the 1970s, debuting in 1979. available in a wide range of cubic capacities ranging from 1598 to 2405cc, it simultaneously replaced the opel ohv, opel cih and vauxhall slant-4 engines, and was gm europe's core powerplant design for much of the 1980s.. the engine features a cast iron block, an aluminium head .
the sleeve valve is a type of valve mechanism for piston engines, distinct from the usual poppet valve.sleeve valve engines saw use in a number of pre-world war ii luxury cars and in the united states in the willys-knight car and light truck.they subsequently fell from use due to advances in poppet-valve technology, including sodium cooling, and the knight system double sleeve engine's .