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Topic: Reed valve

	Reed valve for refrigeration compressor - Patent 4642037
		The valve sheet 20 has a peripheral edge 30 which is substantially coextensive with the valve plate 22 and, in the center portion, has a cutaway portion 32 around the discharge port 33, which is connected to a discharge valve, which may also be of the reed type, mounted in the discharge plenum chamber.
		2, with the present valve reed, the bias built into the valve by the bend line 52 and the set of the valve reed is such as to cause it to overcome the adhesive forces of the oil and move partially away from the valve seat 50.
		The twist imparted to the valve because of the deformation of the reed valve head out of the plane of the valve seat allows the valve to open slightly earlier in the discharge stroke of the piston than if the discharge valve were normally in the unstressed condition in sealing contact with the valve seat.
	www.freepatentsonline.com /4642037.html (4582 words)

	Reed valve assembly - Patent 4179883
		The present invention is a reed valve assembly in which gummous material coating is applied to a noise-propagating passageway of an apparatus equipped with a reed valve in such a way, as to reduce the outward propagation of sympathetic sounds produced by the resonance of a reed of the reed valve.
		Example 3 A reed valve assembly of which both a reed valve case and a filter case are coated with gummous material and of which a reed is not coated with fluorocarbon resin.
		A reed valve assembly of which the reed valve case 8 including the reed valve 7 is fixed to the filter case 4 inducing the primary is shown in Examples.
	www.freepatentsonline.com /4179883.html (1260 words)

	Reed valve - Wikipedia, the free encyclopedia
		Reed valves (also known as flapper valves) are commonly used in two-stroke engines to control the fuel-air mixture that is admitted to the engine crankcase.
		As the piston descends, it raises the crankcase pressure causing the valve to close to retain the mixture and pressurize it for its eventual transfer through to the combustion chamber.
		Reed valves are also used in valved pulse jet engines, such as the Argus engine in the German V-1 flying bomb.
	en.wikipedia.org /wiki/Reed_valve (307 words)

	Reed valve breather for evolution engine patent invention
		The illustrated breather valve 10 is commonly known as a "flapper" breather valve, because it includes a flexible member 21 which is commonly referred to as a flapper by those of skill in the relevant art.
		The reed valve assembly 600 may include at least one fastener 677, such as a screw, bolt, rivet, weld, etc., for fastening the at least one rigid member 680 and the at least one flexible member 670 to the body 640.
		The reed valve assembly 600 may be provided as a retrofit kit for engines (e.g., the 41/8'' bore engine series) previously manufactured and sold with alternative breather valve arrangements, or with new engines presently being manufactured and sold.
	www.freshpatents.com /Reed-valve-breather-for-evolution-engine-dt20060518ptan20060102113.php?type=description (4128 words)

	Valve - Wikipedia, the free encyclopedia
		Although valves are sometimes made connected or integral with some other object like a vessel, many valves are manufactured initially as a separate item to be connected afterwards to some other object such as a pipe, tube, or pump head on at least one of the valve ports either by a manufacturer or the user.
		Valve sizes are commonly given by the outer diameter of tubing or pipng the ports connect to; for example, a 1-inch valve is sized to connect to 1-inch outer diameter tubing.
		However, valves may eventually wear out from use and develop a leak, either between the inside and outside of the valve or, when the valve is shut to stop flow, between the disc and the seat.
	en.wikipedia.org /wiki/Valve (2720 words)

	Kawasaki Concours - Valve Adjust
		On some motorcycles, the reed valves may be secured to the top of the valve cover with silicon adhesive.
		Adjust all four valves for the piston that is at TDC on the compression stroke.
		If these were removed, reinstall on the top of the valve cover so that the wide part of the reed valve goes toward the front of the engine, and the smaller, tapered end of the reed valve goes toward the rear.
	www.delp.net /Concours/Tech/Microfiche/Valves (1471 words)

	Dan's Motorcycle Reed Valves
		Reed valves are simply a one way valve.
		A reed valve in the carb manifold will let the fuel mixture in but not out.
		Some fuel pumps and carburetors also use what is essentially a reed valve to control the fuel through the pump or carb.
	www.dansmc.com /reedvalve.htm (275 words)

	Comparing ZDZ 40 Sportsman to rotary valve, how much performance difference really?
		Although the hole itself, in the crank case may be larger where the reed valve is mounted, the reeds themselves shroud much of the inlet area when open.
		Reeds are and have been used for a million years for mostly one reason and that is because they put out and produce low end torque, from motorcycles to carts,and chainsaws and everything in between the reed system produces the low end torque that the rotary valve system doesn't.
		Reed valve engines seem to be more user friendly over all but the rotarys definately clean house when properly tuned.
	www.rcuniverse.com /forum/tm.asp?m=776157 (2957 words)

	Reed Valve Removal 1500/1600 Vulcan Engines
		Reed valves are mounted on the right front of the #1 (front) cylinder and left rear of the #2 cylinder.
		Their purpose is to inject air into the exhaust stream immediately after the exhaust valve which causes any hydrocarbons that escaped the explosion in the combustion chamber to burn.
		Disconnect whichever you have and toss the valve in a box along with the old reed valves and hoses.
	www.gadgetjq.com /rv_removal.htm (1294 words)

	Pulse Jet Engine: Reed Valve Assembly
		The job of the reed valve is to allow fresh air/fuel to be drawn into the combustion chamber but to slam closed when the mixture is ignited -- thus making sure that all the pressure exits out the back of the engine through the exhaust tube.
		Its job is to stop the reed valve from blowing open too far during the intake phase.
		The center of the retaining washer/seat is flat and holds the center of the reed valve hard against the back of the intake venturi.
	www.aardvark.co.nz /pjet/reedvalve.htm (620 words)

	Reed valves in two-stroke motors. What are reed valves in outboard motors? What do they do, and how?
		Pictured below is the reed plate removed from a 3 cylinder OMC outboard with reed cages for cylinders 2 and 3 removed from plate; cage # 1 is still mounted on plate.
		The blue arrows are pointing at the thin, stainless reeds that are pulled opened by crankcase vacuum at the appropriate time according to direction of piston travel.
		The blue arrows are pointing at the reed stops which are designed to prevent reeds from fluttering, or opening too far at high speed and bending, cracking, or breaking.
	www.brokeboats.com /reedvalves.html (329 words)

	Flapper Reed Valves, Washers, Curved Washers, Wave Spring Washers, Ball Bearing Washers, Slotted Washers, Cup Washers, ...
		Reed Valve is a Flapper valve steel component used in different types of compressors for effective control of gas, fuel and air.
		Flapper Reed valves must be capable of working continuously for long periods without failure.
		After blanking cold worked edges of reed valves are rough and need to be well rounded.
	www.internationalsprings.com /reed_valves.htm (496 words)

	Reed Valve Injection Engines
		The reed(s) on a reed valve induction engine function essentially as a one-way doggie-door, admitting air when the motor is drawing air/fuel mixture, and closing when crankcase compression (known as "pre-charge") begins.
		Fiberglass reeds have relatively low spring tension, so they instantly respond to pressure changes in the crankcase (known as "signal").
		Fiberglass reeds are good for low- to mid-range power and carbon fiber reeds are better for high RPM performance.
	www.extremely-cheap-gas-powered-scooters.com /id296.html (281 words)

	The Reed valve with rubber valves and american valve
		Valve and piping in san diego globe valves industrial valve manufacturer excess flow valves.
		Keystone valves split wedge gate valves mac valves epiphone valve jr fleck water softner valve neway valve seat cutter keystone valve mitral valve prolapse.
		Shower valves powers valves mechanical heart valve st jude valve valve job prices betts valves blowoff valve industrial valves control valves steam radiator valves valve spring compressor solenoid valve with position indication pressure relief valve zodiac recessed valve.
	reed-valve.khhdl.com (639 words)

	Boyesen.com - Rad Valve (Site not responding. Last check: 2007-11-04)
		Located between the carburetor(s) and the crankcase, the reed induction system consists of a reed cage upon which is mounted a pair of reed valves.
		At this point, the reed valves open and the charge is drawn through the carburetor and into the crankcase.
		One of the major benefits of reed induction is that the opening and closing of the reed valves is not fixed, but is controlled by the actual airflow demands of the engine.
	www.boyesen.com /article/articleview/37 (950 words)

	Metal Improvement Company - Reed Valves
		Reed valves are precision stampings that operate in demanding environments.
		Metal Improvement Company's early participation at the design level for reed valves enables us to suggest alternatives for increasing efficiency and facilitating manufacturing, not only of the valve but also the compressor.
		These processes will yield reed valves that are virtually identical in dimension and performance to production level reed valves.
	www.metalimprovement.com /reed_valves.php (276 words)

	V-Force 3 Reed Cage - VForce MX Parts (Site not responding. Last check: 2007-11-04)
		In addition to having adjustable reed stops that allow you to increase or decrease the amount of tension on the reed pedals, the V-Force actually has twice the reed tip surface with its four-reed design.
		The V-Force reed petals only travel half the distance of a standard valve resulting in greater airflow through the entire RPM range and increasing reed petal life.
		The VForce reed assembly is one of the single best after-market performance parts that I have worked with in many years.
	www.faster-motocross.com /v-force-delta-reed-cage.html (553 words)

	Snowmobile World.com: Snowmobile Reed Valve Overview, Maintainence, Installation
		Cycling up and down at over 300 times a second, the reeds in your motor are the key to good performance, fuel economy and clean emissions.
		With 3500 miles, the reeds and entire intake system are ready for inspection and general maintenance.
		While this might not be the model of sled that you ride, most of the sleds on the market use a very similar system in their cylinder designs.
	www.snowmobileworld.com /tech_center/tech_courses/reedvalve1.php (129 words)

	Valve & Curb Keys
		Reed’s selection of Valve Keys is the most complete and most compact available to turn gate valves in the street and curb stop valves to individual buildings.
		Reed Valve Keys are made from heavy gauge steel mechanical tubing, with other features of strength such as solid steel machined Curb Key ends.
		Reed offers the broadest choice of the most compact keys.
	www.reedmfgco.com /index.html?session_id=54b31a898f7e258fb1bf09ffbe7ccb46&screen=valve_curb_keys (330 words)

	S&S Cycle® Reed Valve (Site not responding. Last check: 2007-11-04)
		With three steel reeds that open on the downstroke of the piston, air and oil can come into the cam chest quickly and easily.
		When the piston changes direction, the vacuum closes the reeds, preventing air from entering the crankcase and maintaining pressure, thus improving scavenging.
		Designed to work on crankcase pressure rather than timing, the reed valve is an upgraded replacement.
	www.mcadvantages.com /HTM/Engines/SS_ReedValve.htm (80 words)

	Moto Tassinari V-Force 2 Reed Valve
		This valve is best suited for the rider who likes sensitive throttle control off the bottom and has a tendancy to overrev the motor on top.
		APPLICATION: All current MX Aftermarket reed valves, in general, are fast becoming a rider's favorite choice for quick, bolt-on performance.
		This valve is best suited for the rider who likes sensitive throttle control off the bottom and has a tendency to overrev the motor on top.
	www.transworldmotocross.com /mx/product_reviews/article/0,13190,343891,00.html (356 words)

	Boyesen.com - Reed Valve Spacer Kit (Site not responding. Last check: 2007-11-04)
		The Reed Valve Spacer Kit increases the intake tract length by moving the reed cage away from the crankshaft.
		This increases the flow volume under the piston and the rear boost ports in the crankcase.
		The action of the reeds are no longer impeded by the adverse effects caused by the rotation of the crankshaft.
	www.boyesen.com /article/articleview/39 (221 words)

	[No title] (Site not responding. Last check: 2007-11-04)
		The keys to designing the reed valves are making the reeds as stiff as possible with as little mass as possible, but there must be enough room on the reed to block the fluid ports to and from the chamber.
		The width of the base is always 0.2 in while the diameter of the top of the flap is 0.12 in (Reeds 1-6) and 0.16 in (Reeds 7-14), while the flow orifice is 0.08 in in diameter.
		Also shown are the deflections of the tip of the reed under the maximum stress condition (calculated for cantilever beam geometry) and the deflection at the tip of the reed at 1000 psi (instantaneous constant pressure) done in FEMLAB.
	rclsgi.eng.ohio-state.edu /~rupinsky/2005_08_25_Reed_Valve_Discussion.doc (834 words)

	Xtreme Outfitters REEDS AND VALVES - V-Force Delta Reed Valves - Boysen Rad Valves - Boysen Pro Series Reeds - Boysen ... (Site not responding. Last check: 2007-11-04)
		A aero-form reed valve that corrects the problems associated with existing reed valve designs.
		Maintains flow velocity through the valve and redirects the intake charge for even distribution to the intake ports.
		Pro series reeds use a carbon fiber top reed coupled with a durable fiberglass/epoxy bottom reed.
	www.xoutfitters.com /moto/valves/honda.html (211 words)

	V-Force Delta 2 Reed Valve System - V2M
		For the 2002 KTM 250SX a 2001 sotck manifold is required.Case modifications required for the TM 125 99-01 and TM 250/300 96-01.
		Reed cages are fiber-reinforced composite and feature new reed stops for adjustable reed tension.
		Carbon-fiber reeds have twice the tip area of conventional reeds.
	www.parkeryamaha.com /index.asp?PageAction=VIEWPROD&ProdID=25861 (268 words)

	Delta VForce 3 Kaw KX125 (03-05) from V-Force Reed Valve Systems
		The VForce3 reed valve system by Moto Tassinari incorporates features you won't find with other system on the market.
		By doubling the reed tip surface (over a stock standard valve design) the petals now only need to open half as far to provide the same flow as a stock style cage.
		This is a significant advantage when you factor in that a reed petal opens and closes 133 times per second at 8,000 rpm.
	www.langstonracing.com /eshopprod_cat_2455-19876_product_251886.Delta_VForce_3_Kaw_KX125_03-0.htm (145 words)

	Kawasaki Triples Reed Valve conversions by Aylor Engineering (Site not responding. Last check: 2007-11-04)
		A reed valve is basicly a one way valve made of
		As soon as there is enough vacuum in the crankcase, the reed valve opens to admit the air/fuel mixture.
		soon as the vacuum drops the reed valve closes the intake port trapping all the mixture in the crankcase to produce the
	mywebpage.netscape.com /johnayleng/index.html (746 words)

	TM ICC Reed Valve - Carbontech10 Carbontech / Swedetech TM ICC Reeds (No Stiffeners) (Site not responding. Last check: 2007-11-04)
		These carbon fiber reeds are designed for use on TM K9 and TM K9B ICC 125cc 2-stroke engines, in conjunction with Pro-ICC shifter kart competition.
		Because the reeds control the amount of air / fuel mixture entering the engine, choosing the best reeds is important for getting the maximum amount of horsepower from your 2-cycle engine.
		Another factor in choosing a reed is its potential to damage the engine, in the event of breakage.
	www.fastech-racing.com /item239.html (236 words)

	Curtiss-Wright Corporation - Reed Valves (Site not responding. Last check: 2007-11-04)
		We know how to make reed and ring valves that will perform flawlessly and efficiently well beyond design requirements.
		It was precisely through developing processes that extended the life of reeds by as much as ten times, that MIC came to be in the business of manufacturing these very critical components of compressors, vacuum pumps and internal combustion engines.
		At the Reed Valve Division, we start with the very best Swedish high carbon and stainless steels, cold rolled to extreme tolerances of thickness, flatness and hardness.
	www.curtisswright.com /segments/metal_treatment/reed_valves.asp (203 words)

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