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All the cone valves move when the corresponding key is pressed. Therefore, in order for a pipe to sound in a cone valve chest, two events must occur: A stop must be activated so that the the stop channel is filled with wind. A key must be pressed, opening the cone valves under all the pipes for that note, so that wind is admitted to any pipe ...
Valves stop (or regulate) the flow of liquids or gases. They are categorized by application, such as isolation, throttling, and non-return. Isolation valves temporarily disconnect part of a piping system to allow maintenance or repair, for example. Isolation valves are typically left in either a fully open or closed position.
An Aspin valve consists of a cone-shaped metal part fitted to the cylinder head in an internal combustion engine. Aspin valves were first patented by Frank Metcalf Aspin in 1939, [1] although the idea was devised before this time. [citation needed] The valve rotates to provide the opening and closing necessary for intake and exhaust.
Hollow jet valves are a type of needle valve used for floodgate discharge. A cone and seat are inside a pipe. Water flows through an annular gap between the pipe and cone when it is moved downstream, away from the seat. Ribs support the bulb assembly and supply air for water jet stabilization. Ring jet valves are similar to fixed cone valves ...
General parameters used for constructing nose cone profiles. Given the problem of the aerodynamic design of the nose cone section of any vehicle or body meant to travel through a compressible fluid medium (such as a rocket or aircraft, missile, shell or bullet), an important problem is the determination of the nose cone geometrical shape for optimum performance.
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The impingement surface can be formed in a spiral to yield a spiral shaped sheet approximating a full cone spray pattern or a hollow-cone spray pattern. [4] The spiral design generally produces a smaller drop size than pressure swirl type nozzle design, for a given pressure and flow rate. This design is clog resistant due to the large free passage.
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