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Topic: Contact breaker

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	Contact breaker - Wikipedia, the free encyclopedia
		The purpose of the contact breaker is to interrupt the current flowing in the primary circuit of the ignition coil.
		The contact breaker is operated by an engine-driven cam, and the position of the contact breaker is set so that they open (and hence generate a spark) at the exactly correct moment needed to ignite the fuel at the top of the piston's compression stroke.
		The contact breaker is usually mounted on a plate that is able to rotate relative to the camshaft operating it.
	en.wikipedia.org /wiki/Contact_breaker (455 words)

	CARS Automotive Training Series
		Contact breaker ignition systems provide a simple means of establishing and interrupting the current flowing in the primary ignition circuit.
		The dwell angle in contact breaker systems is designed to allow sufficient time for current to flow through the primary winding and establish the necessary magnetic field.
		The contact breaker is a mechanically operated electrical switch in the primary ignition circuit.
	homepages.ihug.co.nz /~educate1/CDX/Mod6D1.htm (592 words)

	Class Definition for Class 200 - ELECTRICITY: CIRCUIT MAKERS AND BREAKERS
		Subject matter wherein the rotary contact is used in a device in a multicylinder engine for distributing the ignition voltage to the spark plugs in a definite sequence.
		Subject matter in which the contact pressure between the fixed and movable contacts is exerted in a line radial to the arc of movement of the pivoted contact.
		Subject matter in which a rotary contact is used in a device in a multicylinder engine for distributing the ignition voltage to the spark plugs in a definite sequence.
	www.uspto.gov /go/classification/uspc200/defs200.htm (2858 words)

	Bosch electronic ignition
		The contact angle or dwell time (the amount of time the contacts are closed) remains very important in this system, because the amplifier does not change the timing, it only amplifies breaker point pulses.
		The current through the contact breaker points is kept to a certain level (not close to zero).
		The distributor contains contact breaker point, a capacitor, a vacuum advance, a centrifugal advance, contacts for the electronic ignition and a shaft with lobs that is connected (through a gear) with the crankshaft.
	home.tiscali.nl /~t654319/mercedes/ignition.htm (1445 words)

	Class 200: ELECTRICITY: CIRCUIT MAKERS AND BREAKERS / U.S. Patent Classification Definitions
		Connector coupling devices comprised of two separable coupling members, in which one of the switch contacts is mounted in or on one of the coupling members and a cooperating switch contact is mounted in or on the complementary coupling member, said switch contacts serving also as coupling contacts of the respective members.
		Circuit makers and breakers in which the operating mechanisms thereof are controlled by continuous or indefinite lengths of material such as motion picture film, rope, yarn, endless belts and the like, travelling in a given path or being wound onto or unwound from spools or reels.
		Circuit makers and breakers especially adapted for use on vehicles to control the supply of current to vehicle turn indicating devices, and being generally operated by movement of a vehicle controlling means or by independent manual or pedal means.
	www.uspto.gov /web/offices/ac/ido/oeip/taf/def/200.htm (8955 words)

	Combined device for on-load breaking and visible isolation of an electric circuit - Patent 4596911
		This prohibition is due to the fact that the material opening of a contact circuit for breaking the current does not guard against the loss of insulation due to pollution of the insulators of the contact circuit by the electric arc which occurs at the moment of breaking.
		These two contact knives 7, 8 extend inside case 10 in the plane of blade 2, as far as the passage zone of jaws 4, 5 and they are further connected to respective current leadins 9, 9' passing through the walls of case 10.
		Thus, during closure of the contact, the contact knife 7, 8 is forcibly inserted between the two plates 12, 13 and moves them apart under the action of the resilient clip 14, which then provides the contact force in the closed state.
	www.freepatentsonline.com /4596911.html (3966 words)

	Battery Applications
		Consequently, the primary circuit is formed by the primary coil, ignition switch and contact breakers and the secondary circuit is formed by the secondary winding, distributor and spark plugs.
		The contact breakers break the current flow in the primary circuit so that voltage is induced in the secondary winding of the ignition coil.
		The contact surfaces of breaker points are made of conductible metal that continue in a strip of spring steel.
	www.indiacar.com /infobank/battery_od.htm (970 words)

	Contact breaker: Facts and details from Encyclopedia Topic (Site not responding. Last check: 2007-10-10)
		The purpose of the contact breaker is to interrupt the current current (electricity) quick summary:
		(and the position of the contact breaker is set so that they open (and hence generate a spark) at the exactly correct moment needed to ignite the fuel at the top of the cylinder's compression stroke.
		Contact breaker points suffer from wear - both mechanical (since they open and close several times every turn of the engine) and caused by arcing across the contacts.
	www.absoluteastronomy.com /encyclopedia/c/co/contact_breaker.htm (1207 words)

	Das Originalhandbuch Suzuki GT750
		The contact breaker assembly is located on the engine left side and made up of each three contact points and condensers on the stator base, which are marked with „L”, „C” and „R” corresponding to the cylinder location, and the breaker cam shaft on which the cam and timing plate are installed.
		A condenser connected in parallel with the contact point is equipped to absorb the electric energy and keep it from sparking between the contact breaker points.
		Remove the contact breaker cap, and the contact point base with the points and condensers on it after scribing a mark both on the base and the case near the fitting bolt in order to indicate the position of the base in the case of reassembling.
	www.wbcnet.de /tips/orighb_zuend.html (1478 words)

	DISTRIBUTOR
		Adjust the position of the fixed contact by moving the contact breaker bracket until the specified gap of 0.014 0.016 in (0.35 - 0.40 mm) is obtained between the contact points.
		The fixed contact bracket can be moved by inserting a screwdriver into the notched hole at the opposite side of the plate and turning the screwdriver clockwise to decrease the gap, or anti-clockwise to increase the gap
		The contact breaker points on the 45D4 distributor should be inspected in a similar manner to that described for the 25D4 type above.
	drcwww.uvt.nl /~bogaard/manual/tuneup/5.htm (1451 words)

	Circuit Breaker - Aaker Home
		Click on Circuit Breakers (1) to get instant price and availability for the 3,000 new circuit breakers from these circuit breaker manufacturers that are listed in our internet online circuit breaker database and then (2) to order any of these circuit breakers online.
		You may return a used or obsolete circuit breaker to Aaker.com within 30 days of its purchase if you (1) obtain a Return Authorization for the circuit breakers and (2) either buy circuit breakers of equal value or pay a 20% restocking charge.
		Contact kits are the most expensive and most frequently purchased replacement parts for the routine maintenance of motor starters and contactors.
	www.aaker.com (862 words)

	Enjoying MG - November 98 - It's all about timing
		Conventional contact breakers in our MG distributors start to deteriorate immediately after fitting and require changing at approximately six thousand mile intervals, by which time they are usually worn out.
		Lumenition has developed three systems, all of which replace the standard contact breaker and condenser with electrical triggering devices with no touching parts so that wear is impossible.
		The photo shows the standard contact breaker and condenser, both of which should be removed along with the rotor arm.
	www.mgcars.org.uk /mgoc/emg/itsall1.htm (921 words)

	Steam & Engine of Australia - Magneto Lucas RS1
		If adjustment is necessary, keep the engine in the position to give maximum opening of the contacts and slacken the two locking screws in the contact breaker base (do not slacken the screw nearest the felt pad).
		If the fault is not yet apparent, remove the contact breaker cover, and with the engine slowly turned by hand, examine the action of the contact breaker rocker arm; it is possible that the arm is not answering to its control spring, and is remaining permanently open as the cam is rotated.
		If this appears to be so, remove the contact breaker lever as described on earlier, and examine the pin on which the lever works.
	www.steamengine.com.au /ic/magneto/lucas_rs1 (1080 words)

	Engine Contact breaker points
		Bosch make a set of contact breaker points 1 237 013 835-825 which is identical to the Marelli points originally fitted to Fulvias.
		The electric current from the wire, which is connected to the screw with the wire from the capacitor, flows to the point on the hammer (the moving part of the contact breaker set) via the spring.
		Although the contact breakers looked new, the two rivets were actually bad.
	www.viva-lancia.com /fulvia/qanda/engine/points.php (488 words)

	TigersUnited.com (Site not responding. Last check: 2007-10-10)
		The jumper lead is used to ensure that test is not affected by possible resistance in the contact breaker points or faulty earthing of the fixed contact point.
		Higher readings are caused by dirty or defective contact breaker points, defective lead from the coil CB terminal to the moveable contact breaker connection, or faulty earthing of the contact mounting plate or distributor body.
		If a voltage reading is taken at the call SW terminal with the contact breaker points open, battery voltage will be recorded because of the very small current taken by the voltmeter.
	www.tigersunited.com /resources/wsm/wsmB67.asp (545 words)

	ZENSOL - Sharing Knowledge - Circuit Breaker Motion Tests
		In this zone, also called the pre-arc zone, as the contacts come closer to each other, the dielectric, as a function of the separation distance, becomes insufficient and a pre-arc current forms within an arc, the duration of which is a function of the speed of the contacts.
		The mobile part is attached to the mobile contact of the breaker under test, and moves with the contacts, while the fixed part acts as a reference.
		The moving contact of the circuit breaker is attached to the piston by an insulating rod.
	www.zensol.com /VA/html/share-motion.htm (2635 words)

	TRIUMPHS only : Technical Service Bulletin (Site not responding. Last check: 2007-10-10)
		A probable cause for complaint of ignition distributor noise on Stag models is excessive clearance between the contact breaker mounting platform and the lugs of the distributor base plate.
		To reset the lugs, rotate the contact breaker platform until the Nylon pads in the platform are in line with the retaining lugs.
		After resetting the lugs check that the contact breaker platform is free to rotate within the limits of the vacuum unit locating pin slot.
	www.triumphsonly.com /pages/technical/74-a-5.htm (193 words)

	Distributor Business (Site not responding. Last check: 2007-10-10)
		The rotor contacts the central high voltage cable from the coil via a spring loaded carbon brush.
		The distributor also houses the centrifugal advance unit: a set of hingedweights attached to the distributor shaft, that cause the breaker points mounting plate to slightly rotate and advance the sparktiming with higher engine rpm.
		The capacitor is connected parallel to the breaker points, to suppress sparking and prevent wear of the points.
	www.relativeaccess.com /File/30573-Distributor.Business.Html (620 words)

	AMERICAN - Online Information article about AMERICAN
		When signals are to be sent from either station the operator turns the switch c out of contact with the stop b, and then operates precisely as in open circuit sending.
		For the dot the armature is deflected by the first current, the ink-wheel being brought into contact with the paper and after a short interval pulled back by the reverse current.
		In the case of the dash the ink-wheel is brought into contact with the paper by the first current as before and is pulled back by the reverse current after three times the interval.
	encyclopedia.jrank.org /ALM_ANC/AMERICAN.html (9818 words)

	ELECTRIC CONTACT BREAKER for power tools contacting live- grounded conductors
		Metabo Contact is an electric contact breaker for power tools used in construction.
		Upon exposure to any of these materials, the contact electronics are activated, the tool’s power is cut, and an LED glows red to notify the user of the caution.
		The contact function can also be switched to the off position during use, but it will always default to the on position when it is first powered up.
	www.cif.org /nominations/nom_427.html (121 words)

	Distributor Versions
		The purpose of this month's tech tip is to provide a BASIC understanding of the different distributors that VW used and to identify the proper tune-up components (contact breaker points, cap, rotor and condenser) required.
		This distributor looks identical to the 111-905-205-L listed above with the exception that the contact breaker points now are a 1-piece unit instead of the 2-piece units previously used.
		Removing the contact breaker points can easily identify this distributor.
	www.wolfsburgwest.com /wired/wired_01_00/wired_01_2000.htm (403 words)

	MOTOR VEHICLES - LoveToKnow Article on MOTOR VEHICLES (Site not responding. Last check: 2007-10-10)
		By rotating the body of the switch (called the contact breaker) the ignition could be timed to suit exactly the speed of the pistons and, in this way, greater piston speed was obtainable.
		The leather-faced conical clutch, although still employed, has in many cases given way to the multiple-disk clutch in which a number of disks bearing against each other, either flat in section, or (as in the Hele-Shaw clutch) having annular tapered grooves, are contained in an oil-tight box.
		These plates are capable of being separated laterally from each other when out of gear, or brought into frictional contact with each other when it is desired to start the car.
	www.1911ency.org /M/MO/MOTOR_VEHICLES.htm (11542 words)

	contact breaker gap - M115 - ShopForum
		Was hoping if anyone could tell me what should the correct contact breaker gap be on a M115 (W123 200)?
		The old Austrian bloke that started the Benz shop I work in,Est.1964, said, "All CB points set to 15 thou".
		Contact Us - Homepage - Archive - Top
	www.mercedesshop.com /shopforum/showthread.php?t=6512 (156 words)

	Ningbo Qile Electrical Appliances Industrial General Company breaker, circuit breaker, converter, fuse holder, load ...
		We have introduced the DW intelligent type universal breaker contact system that reaches the same advanced standards of similar international products to the domestic market.
		Receiving provincial recognition for our high quality standards, our intelligent type universal breaker contact system was used as a component part for the Shengzhou 5 Spaceship launch base.
		If you are interested in any of our products or would like to discuss OEM service, please contact us with your detailed inquiries.
	qile.en.alibaba.com /aboutus.html (444 words)

	Casino Breaker: Contact Us (Site not responding. Last check: 2007-10-10)
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	www.casinobreaker.com /contact.html (122 words)

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