US1789368A - Pendulum counter governor - Google Patents

Description

Jan. 20, 1931. A. c. MANTZ 1,789,368

PENDULUM COUNTER common Filed Aug. 6, 192a 2'Sheots-Sh902 1 [/V VENTOR BY lgyzui .5 Wmfz A TTORNEY A. c. MANTZ ,358;

PENDULUM QOUNI'ER GOVERNOR Filed Ahg. s 1928 2 sneewsneet 2 fig 5 A INVENTOR BY @mi 6% ?!2 W 4 TTORNEY ings in which I Patented-Jan. ;;1 9 31 r Aueus'rlci. iren'rz, or wALLA wrisnrneron "rnnnuinun' counrnn eovnnnon' I f,

fay nca'tioa filed August 6,1928; Serial 110,297,998. i

This invention relates toa, pendulum counter governor'and has] as one of itsIobEl jects toprovide a counter, governor effect-at a pre.-"determin'ed time "depending upon cergtain ground conditions and is morejpa'rt cularly adapted for use on combined'har'vesterjs 11 when operating on hillylground;

Another. object'ofgthe invention is to plo Vide a pendulum-counter governor adapted; to efiect'the action 'of. the governor. and depending in. turn forits action uponthe per-y cent of-grade over which the harvesteris operating, 1 g

A further by the angle of inclination of the .inachine to which it is appliedfwhich when' applied,

to a harvester. will act' againstthe: governor to increase-the speed of the machinery there. 29. by. counteracting the abnormal load per unlt T of the mechanism due to its inclined position.

- A furtherohject of the invention'is toipro-l vide a pendulurncounter governor that will overcomethe necess1ty of slowing up-when a harvester movesdown hill loy'increasing the speed of the machinery, and controlling the speed to a predetermined maximum velocity;

With these and other objects in view referi ence is now. had to the: accompanying drawvice applied;

Fig. 2 is a side elevation thereof showing 5 thedevice at rest; 7 1 Fig. 3"s an enlargedside elevation of the device. in the normal at rest position;

Fig. 4 is a similar view to Fig. 3 but showing the device in the operative position;

Fig. 5 shows a plan view of the bell crank; and V Fig. 6 shows a rear elevation .oftheup- 'wardly extending lever armshowing adjusting provisions.

7' Having reference'to the drawings likenu-J Inerals refer to like parts throughoutthe several views and the numerall refers to an internal combustion engine more particularly adapted touse on harvesters, the engine com- 0 prising in general a crank case 2. a block 3,

front elevation of :aharvesteri I internal combustion eng ne showing the de-i C a head 4:, an ofi'set portion. -c a rrying 6;Whichofiset portion may occur as shown or 1 the; bolts -may..represent the stud bolts used 5' V to" Secure the head-"of the engine-to its block, an ntake manlfold ,7, a carburetor- 8,- a 'tir'n-fi lngigear lc'a se'9, a-governor'case. l0 madeat part of thetlming gear case andjconta'ining F the usual automatic; governor (not, shown) 'a ern'or sharpie to be fitted on its lforward fend, with an operating lever'13 andpa connecting fiylever 16. I

journal. 11 through which 'extends the gov rod '14 adapted to connect {this member witlr" e r p p v a butterfly valve 15 by'meansf of thebutter;"-

object ofthe invention isto pro-: g I 15 vide a pendulum counter governor operable Theiboltsfi are utilized tOQsecure the de vice, which forms the subject matter of this invention, to the enginegproper andlbolt's" 17, 1

used'to' secure the gear housing 9' to t'helene i y be exp'lainedi'."v

The device consists o shaped; by twisting orjotherwise according to the engine to which it:will;be applied,"the main purpose'beingtoposition the whole defromitravel over uneven-ground.

bearing upon. the "harvest itself and as har= r a bracket 18am I the leg 19 adaptedto-besecured to the engine by one of the ,bolts 6, and adapted, to bef vice that" its principal operating 'part'may g operate'by gravitywhen the machine given"- a declination-from the'hori'z o nta-l occurring gineare also utilized to secure 'otherparts'of thedevicelin-a manner andfor"a purp'ose'to .70 5 Y In further explanation let it here-be saiclf i' thatthe device is'more a-pplicablefor'use'on combined harvesters, but'as" it has no' directvestersareold inthe art the harvester will not be shown in the drawing. Suffice it to say, however, that as a rule the engines used to drive harvesters are positioned thereon with the usually termed side of the engine now pointing'towardrthe front of the: harvester, being laterally positioned thereon, and

hence this part of the'eng ine shownin Fig. I v 1 will betermedits -"front 'while'thie u'sui ally termed ends of the en ine, asq'illus trated'in Fig. 2, will now betermed its side; With the above in mind the bracket fur ther .consistsof a pendant 20 arranged by ing a hole in the lower end of the pendant curvingits-upper portion over andprovidin which to movably support and secure a pendulum=21 consisting of a pendulum rod 1 22, upon the lower end of which is a weight.

23 slidably and adjustably secured thereon by means of a set screw 24in the usualmanner of such construction.

As the carburetor 8 is positioned at the front'of'theiengine, as shown in Figs. 1 and p 2, and as its butterflyvalve 15 is arranged in 10 standard practice to be operated with a lateral movement, by a 'le'ver'ldand throughthe medium of the connecting rod14.-,a bell crank.

25 is provided to change the forward move ment of the pendulum to a-lateralmovement which crank is pivotally mounted upon a bracket- 26* shapedfor suitableiattachment to oneaof the bolts 17- of thei-timinggear case a 9; and the pendulum 21 isconnected to'the' connecting rod 14 by means of a' sho'rtrod 271 formedwith aneye'28 on one-endadaptedzto.

encircle the pendulum rod, and-supported thereon adjustably by means of'a collar 29' secured .to' the-pendulum rod by means of a. set-screw 30i V, a V

The; other end of the rod is bent down: ward-,as shownin- Fig. 4, and i's pivota'lly se cured inone-arm 31 of the bell crank-prefer.-' ablyby means: of -a cotter' key 32 as shown,

7 whereby to impart the movement ofthe pendu'lum 'dueto the inclination of the engine and the-efi'ectof gravit to the bell crank and to change the direction of thismovement .of

- the pendulu-m, an operating rod 33' isrsimi';

larly secured in thesecon'd arm'34s of the bell crankand-thisrdd is extended in agenerally i parallel direction with the connecting ro d 114;

towhich it is loosely secured: by meansao f a collar 35 adjustably attached to the connect-' ing rod} andfhaving an upturned clips-'36:

adapted to slidably receive the operating-rod 33 which isprovided onits outerportiou with a nutformin'g'astop 3?, the whole-being: arranged so that with the engine having 33H? upward inclination," as;v when going. ;up* hill .in other. w-ords elevating. the front of the'e'ngine, whereby thependulum wouldnormally swingtowarjdthe back, that the operating rod would have no efiect upon the; movement 0 f the connecting rod, and contra, were the engine moving down hill and gravity movingthe pendulum forward of itsor'i-ginal nor mal position this movement of the pendulum would tend to movethe-bell cra'nkin a reverse: direction to thatabove recited when the-stop w1llengage the clip tooperate -against the,

action of the governor and openthe butterflyval-ve,;therebyto increase the speed .of-the engine and all mechanisms attachedtoaand operated by-said engine.

,[Obviously there is a Inaximum speedat, which any engineis designedto operate and;

there is also a maximum speed'for the machinery which goesflto' make up a harvester' andihence to overcome the natural tendency of the device to further open the butterfly valve-upon the steeper grades, which might normally result disastrously, .means is provided to overcome this tendency and to maintain a certain predetermined maximumspeed which means consists of a pendulum counterpoise 38 consisting'of a rod 39 on the lower end olfwhich is adjustably secured a weight 40 and fha'rvin'g its upper end extended to provide an upwardly extending lever arm 41 which leverarm is preferably flattened to provide suitable width to receive adjusting holes 42,. as shown in. Fig. 6, and fora purpose presently to be explained.

, 'l hependulum. counterpoise secured tothe bracket 18 by means of an extendedsupport 43 attached theretodn. azmanner= that the counterpoisexwi'll normally.- rest parallel with the pendulum, and connecting. the counterp oise and :the pendulum and ope'rating'incombinatiou with these two is an 7 adjustable: control: rod-i44- provided with" an;

eye 45 on one of its endsgwherewith to engage the pendulum rod 22-withz its Qtherxend AEG passed: through one oftbeaboVementionedholes in the upwardly extending lever-arm, and provided :with a 1 stop 4?: in the sh'a-pezof a -nut .thread'edly engaging: the adjusting riocl for adjustment purposes, and this-stop= is pesitionecl wit-h respect torther lever arm that 7 upon movement: of the engine. up an incline the counterpoise would not reflect? the moveis pivotally- I ment of the pendulum bu trwitlr the engine in a declined position the counterpoisef would belmovedagainst the'efiect of: gravity and ing influence of the: penclul-urn'38.

In harvester ;w0rlr on hilly'groundvit is commonlrnowledge that when the machine mo vesi down-hill thereaisiax tendency of the grain to pile up on the cleaner'sieves instead of moving. uniformly over the sieves whence the blast of air from the fan-of the machine may passthrough the-thin: layer to remove the chaif, weed seeds and the like therefrom,-

but-with-the grain piledup as when the niachine is not on a level', an' extra strong: blast ofair would be required in an effort-to clean the wheat, which strong blast would remove conside'rable of the wheat itself, the blast however should 1 be increased in proportion with the gradual increase of the" grain and thereby prevent an excessive pi l'e of the grain to accommulateiiii any one place uponthe': screen that would prevei it thorough cleans-'- in' zftatu uy speeding" up the engine imparts greater velocity to the vibrators of the downhill as the speed'of'the engine will be 1 increased whereby to take care-of abnormal V vester mechanism.

.sonnecting rod 1% in a manner that four screens and hence with increased shaking and vibration, and with-the otherunits of the 'mechanism accelerated, including the cylinder of the harvester, the harvester IHZLY'COH- tinue at its normal rate of travel when going accumulations in any of the units of the har- In practice the device isconnected to the percent grade will move the pendulum sufricient to start to open the buterfly valve, but.

upon reaching say a fifteen percent grade the pendulum has moved forward sufficient to move the .counterpoise by means ofthe properly adjusted control rod (see F 4) when the arrangement'of the levers formed by the pendulum rod in conjunction with the pendulum counterpoi'se rod and its upwardly extending lever arm will gradually stop further advanced movement of the pen-v dulum with a result that no further gain in 1 speed will be causedby a steeper grade.-

lVith the device attached to the'engine in themanner shown in Figs. 1 and 2 and with the harvester on level ground the pendulum 'arm and adapted to restrain the normal acmeans to impart the result of said'action-to said throttle for. control thereof.

3; In an automatic throttle control,'if a throttle, a bracket, a pendulum swung from; said bracket, means operably connectingsaid' Jpendulum' and saidthrottle, a pendulum}v counterpoise pivotally T mounted on said 1 bracket and provided with anextended leverarm, and a control rod slidably and adjust ably connecting said pendulum and said lever tion. of said pendulum, at-a predetermined position, by the counter action of said-lever, 1

arm. r v

In testimony whereof I affix myvsignaturer AUGUST O. MANTZ.

obviously will assume a vertical position to be I i changed only with a'change from the'hori- 'zontal of the engine and as therewill be no effect upon lnclining the engine upward, effect being unnecessary when the engine and harvester is in this position therefore the device will not operate until the engine again 7 assumes a declined position when the pendua ium will move forward and thus accelerate the engine as above explained until the pendulum advances to a pre-determined position when the counterpoise will prevent further of the engine.

To prevent lateral movement of the pen I dulum a guide rod 48, as shown in Figs. 1

and 2, may be utilized. Obviously, any other suitable means'may be employed for the purpose.

Having thus described my invention, I 1. In an automatic throttle control, a throttle, bracket supported gravity actuated weights, means connecting said weights and disposed to provide for independent action thereof through a certain period of operation and for-cooperable and opposedaction k at a predetermined period of operation, and

' movement thereof and further-acceleration lliu

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