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Topic: Centrifugal governor

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Governor (device)

Boulton and Watt

Steam engine

Watt steam engine

Centrifugal force

Governor

James Watt

Internal combustion engine

Diesel engine

Piston

Flywheel

Linkage (mechanical)

Wind generator

Steam locomotive

Cylinder

	Centrifugal force - Wikipedia, the free encyclopedia
		Centrifugal force (from Latin centrum "center" and fugere "to flee") is a term which may refer to two different forces which are related to rotation.
		Similarly, the potential energy of the centrifugal force is often used in the calculation of the height of the tides on the Earth (where the centrifugal force is included to account for the rotation of the Earth around the Earth-Moon center of mass).
		Centrifuges are used in science and industry to separate substances by their relative masses.
	en.wikipedia.org /wiki/Centrifugal_force (1650 words)

	Centrifugal governor - Wikipedia, the free encyclopedia
		A centrifugal governor is a specific type of governor that controls the speed of an engine by regulating the amount of fuel admitted, so as to maintain a near constant speed whatever the load or fuel supply conditions.
		As the speed of the prime mover increases, the central spindle of the governor rotates at a faster rate and the two masses move outwards, and this motion is translated by the series of rods and arms to the throttle valve, reducing its aperture.
		The centrifugal governor is often used in the cognitive sciences as an example of a dynamic system, in which the representation of information cannot be clearly separated from the operations being applied to the representation.
	en.wikipedia.org /wiki/Centrifugal_governor (403 words)

	New Page
		Governors may be actuated through the movement of centrifugal flyweights or by the air-pressure differential produced by a governor valve and venturi assembly.
		The centrifugal flyweight type may incorporate a mechanical linkage system to control the injection pump, or it may include a hydraulic system to transmit the action of the weights to the pump.
		The governor linkage is connected to the injection pump in such a manner that the spring moves the control mechanism toward the full-fuel position.
	www.free-ed.net /sweethaven/MechTech/EngineMech/EngMech01_Main.asp?iNum=0405 (3030 words)

	- The "governor" - (Site not responding. Last check: 2007-10-09)
		The centrifugal governor was yet used in windmills (please see the photo), in former times (prior to Watt's age).
		The use of this ingenious device was the adjustement of the distance between the bedstone and the runner stone, this distance changes as changes the windmill rate.
		The application of this device to the steam engine has a great importance in the technology history because it was the founder of a great family of devices for the installations automatic control.
	www.geocities.com /Athens/Acropolis/6914/regole.htm (222 words)

	Wacky Patent of the Month (Nov. 1996): U.S. Patent 3,216,423
		The member 61 also funnels the centrifugal pressures of organs lying between the fetus and the head of the woman towards and against the fetus, thus augmenting the latter's tendency to be pressed out of the womb through the pelvic opening and out of the mother's body.
		As the speed of rotation of the governor increases to such given speed, the governor balls 111 fly outwardly and upwardly and lift the sliding ring 108, which raises the prongs 109 and causes them to operate the switch 110 to cause suitable means in the controller 16 to switch out the motor 15.
		Both the body of the mother and the fetus are subjected to centrifugal forces which are functions of distance from the center of rotation and the speed of rotation.
	colitz.com /site/3216423/3216423.htm (3801 words)

	[No title] (Site not responding. Last check: 2007-10-09)
		] A clutch operated by centrifugal force from the speed of rotation of a shaft, as when heavy expanding friction shoes act on the internal surface of a rim clutch, or a flyball-type mechanism is used to activate clutching surfaces on cones and disks.
		An outward pseudo-force, in a reference frame that is rotating with respect to an inertial reference frame, which is equal and opposite to the centripetal force that must act on a particle stationary in the rotating frame.
		] An instrument which permits magnification and observation of living cells being centrifuged; image of the material magnified by the objective which rotates near the periphery of the centrifuge head is brought to the axis of rotation where it is observed in a stationary ocular.
	www.accessscience.com /Dictionary/C/C15/DictC15.html (2466 words)

	Swing Governor - How It Works
		The Swing Governor™ is the training tool to keep your balance in check throughout the entire golf swing by triggering the Core muscles (Transverse Abdominus) which is the body's natural Stabilizing muscles.
		Centrifugal power is generated by the lower body resisting the turning of the upper body
		The Swing Governor™ is completely out of the way, and the inertia of the downswing flings the body through to the finnish position.
	www.swinggovernor.com /how_it_works.htm (862 words)

	[No title] (Site not responding. Last check: 2007-10-09)
		The governor is mounted on a non-moving platform, usually at the top or bottom of the hoistway and is connected to the elevator by a rope, tension device, and a tension switch.
		An electronic overspeed governor system as in claim 2 further comprising an input/output port receiving a position signal indicative of an elevator position and providing said activation signal, wherein said microprocessor is coupled to said input/output port and computes said velocity value in response to said position signal.
		An electronic overspeed governor system as in claim 1 further comprising: a further microprocessor in communication with said microprocessor and in communication with said input/output port, said further microprocessor detecting a fault condition; wherein said further microprocessor serves as said microprocessor upon detection of said fault condition.
	www.wipo.int /cgi-pct/guest/getbykey5?KEY=00/39015.000706&ELEMENT_SET=DECL (2605 words)

	Submarine Main Propulsion Diesels - Chapter 10
		Overspeed governors are of the centrifugal type; that is, the action of the governor depends upon the centrifugal force created as the governor weights revolve.
		Centrifugal force is the force that tends to move a body away from the axis about which it is revolved.
		The speed setting of the governor is changed by increasing or decreasing the compression of the speed adjusting spring which opposes the centrifugal force of the flyballs.
	www.maritime.org /fleetsub/diesel/chap10.htm (6515 words)

	Motion-picture camera accommodating silent-film and sound-film cassettes - Patent 4148566
		Motor 62 lies in series with a switch 66, forming part of a centrifugal governor 63, and with a further switch 71 which is mechanically coupled with an extension 70 of one of the cassette feelers 47.
		Governor 63 comprises a pair of weighted leaf springs 67a, 67b which are interconnected by a ring 67 and are mounted on a shaft 62a of motor 62 carrying an eccentric 8a to which the transport claw 8 is articulated.
		The same feeler motion deactivates the centrifugal governor 63 by displacing a stud 69a on an extension 69 of the feeler into engagement with switch contact 66a whereby the two contacts 66a, 66b are jointly deflected beyond the reach of ring 67 so that switch 66 remains closed with any operating speed of motor 62.
	www.freepatentsonline.com /4148566.html (2939 words)

	Hammond's Patent Sweep Governor : Sussex Mills Group (Site not responding. Last check: 2007-10-09)
		This is basically a large centrifugal governor similar in action to the type used to control the tentering of millstones.
		Hammond's governor was intended to override the Cubitt gear whenever the sweep speed varied from a predetermined norm, whatever the wind or load conditions.
		In the early 1980s this Governor was renovated and installed in a working configuration in Jill Windmill at Clayton by volunteers from the Jack And Jill Windmills Society.
	www.sussexmillsgroup.org.uk /Hamgov.htm (553 words)

	Computation and Dynamical Models of Mind*
		Van Gelder intends the centrifugal governor to be a paradigm example of the class of dynamical systems to which the mind belongs (pp.
		The inability of the governor to fulfill a Turing machine-type role for dynamicism leaves two options for understanding the relation between the mind and the centrifugal governor.
		Van Gelder's attempts to strengthen the role of the governor by comparing it to the Turing machine are indicative of his reluctance to assign the governor to the logically weak position of a simple example.
	watarts.uwaterloo.ca /~celiasmi/Papers/dynamics.mm.html (4103 words)

	Governor (device) - (Site not responding. Last check: 2007-10-09)
		A governor is a device used to measure and regulate the speed of a machine, such as an engine.
		A classic example is the centrifugal governor, also known as the Watt or fly-ball governor, which uses weights mounted on spring-loaded arms to determine how fast a shaft is spinning, and then uses proportional control to regulate the shaft speed.
		There are two types of automobile governors, one limiting the rotational speed of the engine, the other limiting the speed of the vehicle.
	psychcentral.com /psypsych/Governor_(device) (454 words)

	34 Pa. Code § 7.283. Safety requirements.
		Tiller rope construction shall not be used for governor cables except when used for the portion of the cable wound on the safety drum.
		Governor cables shall be of iron or steel, monel metal, phosphor bronze or equivalent, and shall not be less than 3/8 inch in diameter.
		The size, material and construction of the governor rope, and the proper tripping speed of the governor, shall be stamped on the governor stand or on a brass plate attached to it in letters not less than 1/4 inch in height.
	www.pacode.com /secure/data/034/chapter7/s7.283.html (952 words)

	Steam Fire Engines
		61, is a modification of the ordinary centrifugal governor.
		The standard is bored out of the solid, forming a long and perfect bearing for the spindle; the arms and balls are of gun metal, the joint pins of steel; every part of the governor is finished bright, except the bracket carrying the lever, and the square base of the standard, which are painted.
		There is no jar in the working of the parts; the feathers move noiselessly in their grooves; the governor rod moves up and down through the spindle and the hubs D and D', and can be regulated by hand to give any required opening of the steam ports to suit the work to be done.
	www.harvestfields.ca /ebook/01/010/13.htm (6500 words)

	Comments on 9023 \| Ask MetaFilter (Site not responding. Last check: 2007-10-09)
		As the shaft speed increases, the centrifugal force pulls on the weighted pads on the ends of the springs, which will then rub against the inside of the drum, slowing down the shaft.
		The simplest is a cetrifugal one, based on the same principle that a figure skater uses to control her spin speed.
		governor, which is used in some mechancical grandfather clocks.
	ask.metafilter.com /mefi/9023 (1434 words)

	Centrifugal governor: Facts and details from Encyclopedia Topic (Site not responding. Last check: 2007-10-09)
		Speed (symbol: v) is the rate of motion, or equivalently the rate of change of position, expressed as distance d moved per unit of time t....
		The action of the governor is dependent on centrifugal force[For more info, click on this link].
		Another kind of centrifugal governor consists of a pair of masses on a spindle inside a cylinder, EHandler: no quick summary.
	www.absoluteastronomy.com /encyclopedia/c/ce/centrifugal_governor.htm (1033 words)

	Centrifugal governor: Encyclopedia topic (Site not responding. Last check: 2007-10-09)
		The action of the governor is dependent on centrifugal force (centrifugal force: The outward force on a body moving in a curved path around another body).
		The first governor was designed by James Watt (James Watt: Scottish engineer and inventor whose improvements in the steam engine led to its wide use in industry (1736-1819)) in 1788 following a suggestion from his business partner Matthew Boulton (Matthew Boulton: matthew boulton (september 3, 1728-18 august 1809), english manufacturer...
		This is used in a spring-loaded record player (record player: Machine in which rotating records cause a stylus to vibrate and the vibrations are amplified acoustically or electronically) and a spring-loaded telephone dial to limit the speed.
	www.absoluteastronomy.com /reference/centrifugal_governor (340 words)

	PIRA 1Q40.00 CONSERVATION OF ANGULAR MOMENTUM (Site not responding. Last check: 2007-10-09)
		A flyball governor can be expanded or contracted by squeezing a handle.
		A small governor is spun on a hand crank rotator.
		The Cenco Watt's governor shown with a valve regulating gear.
	www.physics.ncsu.edu /pira/1mech/1Q40.html (1163 words)

	Using Mechanical Event Simulation in the Design of Mechanisms
		Flyball governors are designed to provide for physics-based feedback control in order to regulate the speed of the rotary steam engine.
		The flyball governor is modeled using flexible brick elements to represent the rods.
		At the onset of the first stage, all parts of the governor are given an initial axial rotation of 500 rpm about the Z axis.
	www.algor.com /news_pub/tech_white_papers/design_mechanisms (3858 words)

	Electricity 2 (Site not responding. Last check: 2007-10-09)
		He was one of the first physicists to recognize that this force was responsible for the Earth's flattening at the poles and for its expansion at the equator; he also experimented by having a shaft run through a soft clay globe, and making the globe rotate rapidly around the shaft (experience of the elastical rings).
		In order to highlight the properties of this force, some centrifugal machines had been created since the early 18th century that were able to make several objects rapidly rotate by means of a crank.
		When mercury is added to the vase, as a consequence of the centrifugal force, it moves to the most distant part of the rotational axis and separates from the coloured water that, in turn, moves to the internal part.
	www.uniurb.it /PhysLab/strumenti/me2.html (3099 words)

	The Steam Engine.
		If the centrifugal governor turns shall the strips with the pulley wheels going outside through the "from the out the middle point flying power".
		The axle rod of the centrifugal governor is operated through an axle rod #15 where on both side is mounted a pinion #25.
		It is good to seen the eccentrics #130 and #130a from the other two cylinders and also the contrate #28 that drive on the pinion #25 from the centrifugal governor.
	home.wanadoo.nl /rbeyersb/stoommachine.html (1221 words)

	JC3. The centrifugal governor (J Carr) (Site not responding. Last check: 2007-10-09)
		The centrifugal steam engine governor was developed by James Watt in the eighteenth century.
		Because of design changes, the centrifugal governor began to operate unreliably in the nineteenth century.
		The aim of this module is to study a system of three ordinary differential equations which describes the operation of this control device.
	www.ma.hw.ac.uk /~dugald/teaching/F14PA2/list/node53.html (111 words)

	Constant Speed Governor Operation
		The constant speed governor is based on standard centrifugal governor principles.
		Centrifugal foce, acting on fly weights, decreases and speeder spring force causes the fly weights to tip in lowering the pilot valve.
		Oil from the governor is transferred to the prop through the center of the crankshaft
	www.letu.edu /academics/aeronautical/Aircraft_systems/Resources/propellers/15_governor_operation.htm (453 words)

	Dynamics and Decomposition:
		The Watt governor (Figure 1) employs a spindle mounted on the flywheel and angle arms attached to the spindle.
		The computational governor is construed as a homuncular system since there are distinct operations which could be carried out by distinct homunculi, while by implication the Watt governor is not homuncular.
		The Watt governor has a variety of different parts: the flywheel, the spindle and angle arms, and a linkage mechanism connected to a valve controlling the steam.
	mechanism.ucsd.edu /~bill/research/dynamics.htm (3353 words)

	Swing Governor - Golf Swing Training Aids & Golf Swing Trainers
		The Swing Governor™ a full swing training tool to "kick start" your swing, before a game or before practice.
		With the body balanced, and coiling in the correct sequence, the body is now generating this very simple compact swing, with the hands just lightly holding onto the club.
		The hands and club are now whipped through due to centrifugal acceleration.
	www.swinggovernor.com (273 words)

	34 Pa. Code § 7.59. Safety equipment.
		(5) Governor cables shall be iron or steel, monel metal, phosphor bronze or equivalent and shall be not less than 3/8 inch in diameter.
		Tiller rope construction shall not be used for governor cables except that it may be used for the portion of the cable wound on the safety drum.
		(6) The size, material, and construction of the governor rope, and the proper tripping speed of the governor, shall be stamped on the governor stand or on a brass plate attached to it in letters not less than 1/4 inch in height.
	www.pacode.com /secure/data/034/chapter7/s7.59.html (745 words)

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