Valve
For other uses, see Valve disambiguation . For the electronic component, see Thermionic valve . For the game development company see Valve Corporation . Cleanup date December 2006 Image Water valves with spigots.jpg ..
Leaf valve
A leaf valve is a one way valve check valve consisting of a diagonal obstruction with an opening covered by a hinged flap. mech engineering stub ..
Valve stenosis Valve stenosis can refer to Pulmonary valve stenosis Aortic valve stenosis Mitral valve stenosis disambig Long comment to avoid being listed on short pages ..
P-valve
P valve may refer to Proportioning valve Dry suit dry suit P valve , or Pee Valve disambiguation Long comment to avoid being listed on short pages ..
Valve (disambiguation)
Wiktionary valve A valve is a device that regulates the flow of fluids. Valve may also refer to Valve Corporation , a computer software games company responsible for the best selling Half Life games Valve ..
Valve replacement Valve replacement surgery is the replacement of one or more of the heart valve s with either an artificial heart valve or a bioprosthesis homograft from human tissue or xenograft e.g. from pig . There are four ..
Valve float Valve float is an adverse condition which occurs when the poppet valve s on an internal combustion engine valvetrain do not remain in contact with the camshaft lobe during the valve closure phase of the cam ..
Hydrogen valve
A hydrogen valve is a special type of valve that is used for hydrogen at very low temperatures or high pressures in hydrogen storage or for example hydrogen vehicles . Types High pressure ball valve s up ..
Presta valve
Image Presta valve in context.jpg thumb A closed Presta valve shown in context of the rim, spokes, and tire of a bicycle wheel . See Image Presta valve close.jpg close up . The Presta valve is a valve ..
Valve seat
unreferenced date November 2006 The valve seat in an internal combustion engine internal combustion spark ... exhaust valve rests during the portion of the engine operating cycle when that valve is closed. The valve ..
Heart valve
to illustration above. Pulmonary valve not visible, leaflets of the tricuspid and aortic valves ... valves above and aortal and mitral valve below . In anatomy , the heart valves are valve s in the heart ..
Valve oil Valve oil is a lubricant for valves of brass instrument s. It is typically comprised mostly of mineral oil with a small amount of other ingredients. Use of valve oil Besides lubricating the moving parts ..
Valve shim
context date May 2007 A valve shim is a disc of hardened metal of precisely calibrated height used to adjust the clearance US lash between a cam lobe and the Poppet valvevalve on which it operates where ..
Valve timing
In a piston engine , the valve timing is the precise timing of the opening and closing of the valves. In four stroke cycle engines and some two stroke cycle engines, the valve timing is controlled by the camshaft ..
Bypass (valve)
In rebreather breathing sets, a bypass is a hand operated valve that can be used to let more oxygen or other breathing gas into the breathing system, by passing the cylinder s flow rate control valve. diving ..
Trip valve
Trip valve mechanisms are a class of steam engine valve gear developed to improve efficiency . The trip mechanism allows the inlet valve to be closed rapidly, giving a short, sharp cut off . The valve ..
Valve gear
Image Walschearts valve gear.jpg thumb 300px The Walschaerts valve gear on a steam locomotive a PRR E6 s . The valve gear of a steam engine is the mechanism that operates the inlet and exhaust valve s to admit ..
Valve hall
image Manitoba Hydro BipoleII Valve.JPG thumb right A 2000 A 250 kV thyristor valve at the Manitoba Hydro Henday converter station, April 2001 A valve hall is a building which contains the valves of the static ..
Side-valve
Articles on Side valve engines include Flathead engine Ford Flathead engine See also Cam in block disambig ..
Guardian valve
A guardian valve is a valve used in Marine ocean marine steam turbine propulsion plants to prevent steam ... installed between the astern throttle valve and the astern elements of the low pressure LP turbine ..
Float valve
A float valve is a mechanical feedback mechanism that regulates fluid level by using a float to drive an inlet valve so that a higher fluid level will force the valve closed while a lower fluid level will force ..
Sun valve
A sun valve Solventil , solar valve is a form of flow control valve , notable because it earned its inventor Gustaf Dalén the Nobel prize in physics . The valve formed part of the Dalén light which was used ..
Hagmann valve
The Hagmann Valve works similarly to any other open wrapped trombone valve configuration. Pulling the Trigger ... from the rotory valve in that the angles at which the air flows 60 , or 66 in bass trombones is dramatically ..
Duckbill valve
Refimprove date September 2007 A duckbill valve is a valve , manufactured from rubber or synthetic elastomer ... contamination due to backflow. One end of the valve is stretched over the outlet of a supply line ..
Valve guide
Unreferenced date March 2007 In most types of reciprocating engine s, a valve guide is provided for each poppet valve in the cylinder head . Along with the valve spring, it serves to positively locate ..
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