Valve float is an adverse condition which can occur at high engine speeds when the poppet valves in an internal combustion engine valvetrain do not properly...
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Ballcock (redirect from Float valve)
A ballcock (also balltap or float valve) is a mechanism or machine for filling water tanks, such as those found in flush toilets, while avoiding overflow...
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In spring-valve engines the traditional remedy for valve float is to stiffen the springs. This increases the seat pressure of the valve (the static...
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against the pressure in the cylinder. Use of automatic valves simplified the mechanism, but valve float limited the speed at which the engine could run, and...
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An overhead valve engine, abbreviated (OHV) and sometimes called a pushrod engine, is a piston engine whose valves are located in the cylinder head above...
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to be a type of float chamber. A float chamber works by allowing liquid within the chamber to lift a float which is linked to a valve which regulates...
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Look up float in Wiktionary, the free dictionary. Float may refer to: Lowboy (trailer), called a float in Eastern Canada usage Float (parade) Float (sculpture)...
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water, the float moves upwards and closes the valve. If air collects in the valve body, the waterline lowers, as does the float, and the valve opens to...
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Valvetrain (redirect from Valve train)
rocker arm, and closed by a coiled spring called a valve spring. Valve float occurs when the valve spring is unable to control the inertia of the valvetrain...
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carburettor. Note that the float valve of a carburettor (controlling the fuel level within the carburettor) is not a needle valve, although it is commonly...
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open the valve. A related issue is valve float at high RPM, where the spring tension does not provide sufficient force to either keep the valve following...
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Flush toilet (redirect from Valve closet)
discharged through a "toilet flapper valve" (not to be confused with a type of check valve), or through a siphon. A float usually controls the refilling device...
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power from higher RPM without the danger of valve float. Some engines are designed to open each intake valve at a slightly different time, which increases...
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media related to Ball valves. Butterfly valve Control valve Gate valve Globe valve Hydrogen valve Needle valve Pinch valve Piston valve Plastic pressure pipe...
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reserved the desmodromic valve heads for its higher performance bikes and its race bikes. These valves do not suffer from valve float at high engine speeds...
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which traditional poppet valves with springs can fail due to valve float and spring resonance and where the desmodromic valve gear is too heavy, large...
17 KB (1,948 words) - 05:43, 10 July 2024
valvetrain may occur when a valve stays open longer than usual. Valve float can possibly result in loss of compression, misfire, or a valve and piston colliding...
11 KB (1,398 words) - 03:55, 30 March 2024
Four-stroke engine (section Valve train)
quickly, valve springs cannot act quickly enough to close the valves. This is commonly referred to as 'valve float', and it can result in piston to valve contact...
28 KB (3,628 words) - 04:52, 28 July 2024
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...
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it refills. In all cases, the valve itself is attached to a sensor, such as a float switch or similar system where float attached to the desired length...
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through a valve, they are much less dense than water because they are composed mainly of air, surrounded by a thin layer of synthetic material. Float-assisted...
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hydraulic lifters, switched to solid lifters in 1970 models to minimize valve float at high RPMs; the dual exhaust system was improved, but rated power stayed...
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Cementing equipment (redirect from Float shoe)
used to ensure satisfactory zone isolation is obtained. Float Shoes and Collars (float valves) prevent backflow after the cement has been pumped into...
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Carburetor (section Float chamber)
"float chamber" or "float bowl". Fuel is delivered to the float chamber by a fuel pump. A floating inlet valve regulates the fuel entering the float chamber...
29 KB (3,493 words) - 02:54, 30 August 2024
redlines is valve float. At high speeds, the valve spring simply cannot keep the tappet or roller on the camshaft. After the valve opens, the valve spring...
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some cases to prevent overrevving and the consequences of it, such as valve float and connecting rod failure. Primers may be used to help start the engine...
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in an OHC engine. This reduced inertia in OHC engines results in less valve float at higher engine speeds (RPM). A downside is that the system used to...
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A valve is a device or natural object that regulates, directs or controls the flow of a fluid (gases, liquids, fluidized solids, or slurries) by opening...
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manifold. Under full throttle and light load, other effects (such as valve float, turbulence in the cylinders, or ignition timing) limit engine speed...
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A globe valve, different from ball valve, is a type of valve used for regulating flow in a pipeline, consisting of a movable plug or disc element and a...
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