A rotary valve (also called rotary-motion valve) is a type of valve in which the rotation of a passage or passages in a transverse plug regulates the...

lower cowling, where it was a notorious fire hazard. Most rotaries had normal inlet valves, so that the fuel (and lubricating oil) was taken into the...

attachment valves are usually rotary, although the desire to maintain "openness" through the valve section by eliminating 90° bends in the valve and tubing...

200 °C, which makes it a versatile solution. Rotary valves constitute a derivation of the general butterfly valves and are used mainly in powder processing...

Sattler's valve attachment added about 3 feet (0.9 m) of tubing to lower the fundamental pitch from B♭ to F, controlled by a rotary valve, and is essentially...

they usually have 3 rather than 4 or 5 valves. Tubas are made with either piston or rotary valves. Rotary valves, invented by Joseph Riedl, are based on...

angle, making it symmetrical, whereas the rotary valve allows the opening to begin and close earlier. Rotary valve engines can be tailored to deliver power...

sound"). The euphonium is a valved instrument. Nearly all current models have piston valves, though some models with rotary valves do exist. Euphonium music...

in action as rotary valves, a rotary valve engine may run better than a reed valve engine at a small rpm range but the reed valve engine often runs better...

with rotary valves and were widely used in orchestras in the 19th century. The valve trombone emerged concurrently with the invention of valves in the...

intended to replace the traditional rotary valve on the French horn, but instead revolutionized the design of trombone valve attachments. Combined with open-wrap...

Other brass instruments use rotary valves, notably the orchestral horns and many tuba models, but also a number of rotary-valved variants of those brass instruments...

the operation of valves by the left hand, which route the air into extra sections of tubing. Most horns have lever-operated rotary valves, but some, especially...

use of a rotary valve. Each valve fed a pair of cylinders and was mounted alongside, rotating parallel to them. Four ports cast into the valve alternately...

Rotary feeders, also known as rotary airlocks or rotary valves, are commonly used in industrial and agricultural applications as a component in a bulk...

angle valve, wedge type gate valve Rotary valve: The valve disc rotates. Examples: Butterfly valve, ball valve Control valve: Controls flow parameters proportional...

A rotary actuator is an actuator that produces a rotary motion or torque. The simplest actuator is purely mechanical, where linear motion in one direction...

workings can be found below. The valves are usually piston valves, but can be rotary valves; the latter are the norm for the horn (except in France) and...

YB100 & KH100 models, also with a single-cylinder two-stroke engine and rotary valve being examples. Honda also made visually similar machines but with four-stroke...

steel cylinder, Piston and crankshaft. Cox reed valve engines are nearly indestructible. The needle valve and carburettor are behind the cylinder where...

has three piston valves and employs the same fingering system as other brass instruments, although four-valve versions and rotary-valve versions also exist...

four) valves in order to change their pitch. Most trumpets have valves of the piston type, while some have the rotary type. The use of rotary-valved trumpets...

and coolants. A rotary union is sometimes referred to as a rotating union, rotary valve, swivel union, rotorseal, rotary couplings, rotary joint, rotating...

original position by gravity. The two pistons shared a common four-way rotary valve connected directly to a steam boiler. The next major step occurred when...

A poppet valve (also sometimes called mushroom valve) is a valve typically used to control the timing and quantity of petrol (gas) or vapour flow into...

circuits approved the use of a rotary valve tuning slide in place of the standard tuning slide on the soprano. The rotary valve was actuated by the left hand...

brass ensemble Mnozil Brass. Up until late 2006, he played a traditional rotary valve bass trumpet made by Gebr. Alexander of Mainz, but now plays a redesigned...

engine (or Corliss engine) is a steam engine, fitted with rotary valves and with variable valve timing patented in 1849, invented by and named after the...

limitations of the regular rotary valve, as well as the reliability and maintenance issues of the popular Thayer axial flow valve that arise from its relatively...

by a simple needle valve and venturi system. Fuel/air mixture intake to the crankcase is controlled via a reed valve or rotary valve depending on the engine...