US2001922A - Apparatus for sampling liquids - Google Patents

Description

May 21, 1935. E; w. PRIBBLE 2,001,922

APPARATUS FOR SAMPLING LIQUIDS Filed Aug. 7, 1935 2 Sheets-Sheet 1 I II I H /3 l3 l I; FIG.2 II u U y 1935. E w. PRIBBLE 2,001,922

APPARATUS FOR SAMPLING LIQUIDS Filed Aug. 7, 1935 2 Sheet2-heet 2 FIG.3 F| ;.4

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IN V EN TOR.

ATTORNEYS.

Patented May 21 1935 tihu n ieh elates t ep eiie u i k ng emples 9. iquid om anks o reservoirs, an he pertiw e fl e u n am ng l u d which ye a ten ency to stratify when left for a s time in an inert condition.

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When rud o i lace i a ks t fo tora ehQ-leit et an eehs der hl tim h x an matter such as sand or shale settles to the bottom tea elens with he ea ie po ti n o the oil. 'fflhes e settlings are known as basic sediment? hqi eehime ly r erred o in the a as B.

the consi s e he ly o e lev efi en shale. ignpregenated with the heaviest portion of heeilhhh e'e e B. h on i h tan will ereque ehrwerdi to t ten w r t e e tpqrt U will occur- In takin sam l f om a a k it i the e o e h e s t r 't a ample tree; r ri es ieht in he t e to hen m x them r r ie obta n an avera l of the oil, The apparatusnow used for eltin such samp es s com h hi h er e 1 hief and u uall c nsis r en eh Q- EQ-WQ Whe l atteste t b low red n a l w h ru ite-v es b t o cl e pe ed fr m abo he teh s Ie l s ng he v s el see n the oilt Qt ap ratus as v h hh a ste r tory due to the fact that it is necessaryfor the perate! to ues at W t h ighten the tankh Yeti-Qu sam les a e aken he ample are hereiP- e us all eh h at ir la h s n t e ehk end there or e et etree y r e t a eesteth u the s m le f the when th y a t illustrated in the accompanying drawings come prises a preferably square elongated vessel l have mixedcal arrangement for operating the closure when the itsbeing lowered, meets the stratum of B. S.. This type is impractical because the closure is in many instances prevented from functioning due qeeht e ith the s d r e e in hefB The prime object of my nvention is to provide Him a device of the class described which will be automet eel v opera ed to ak he samp es a .var ous 7 ree-d e mined he hts e k- "Other objects of my invention are to provide QQY of this class which is new, novel, practiel and o util y: i h w l e s ve a tion; which will prevent the closure from being inter.- vcepted in its operation by contact with the B. 8.; which will makeit possible to obtain at rue IQPIG'. sentative sample of a tank. of oil; which will embody a ppsitivemeansfor opening the closure without" damage to the operating mechanism; which will be durable; which will be compara- Another type of oil thief also has a mechanie ssel contacts the bottom ofthe tank, or in i elvz these to manu a ture; he prese tin heehenisin o whieh e e ins lle as an ac es SQI'YIIDOEI eil thi f urpo e tee wh ebit'isihtehde W hes and other ob ects in ofwhich, a 1M t gure 1 15a side .elevationai view of t e fle vice; i l

Fig. 2 a front elevation; A. I

Fig. 3 is a detail of the. closurereleasing ineohae nism; and, 1 c

Fi 4 is a detailo'f theextension mechanism to be used in connection with the triprrod shown inFigslflndz- Like characters of reference designate f'like tages thereof and it is also understood that-the drawings are to be interpreted as being illus: trative and notrestrictive.

One practical embodiment of the invention-as ingvan open bottom 2 and preferably having an entirely opentop 3. The vessel isbounded by a front La backigand two sides 6 and I; Pivotally mounted in the sideswfi and T and spanning the top 3 is'a bail 8 of any;desireclconfiguration. The

bail is, adapted to receive a cable or other sup,

porting means for lowering the vessel intoa body of liquid.' Rigidly attached by screws '9 to the which will bee heieht maeeomn ms. s1. the

v ewe wi l mere-f ll ap ear inventiomconsistsin. the const uct on n vel feat res, nd eombinatien of parts herei after more ful described. pointed u -la he claims here owep ehoed and illus otd in th accompa yin two-sheet draw ea lojii like sides 6 and. 7 adjacent thebottom 2 is provided a:base-.bracket l8 which'projects outwardly past. the front 4 andwhich at each side is provided withabracefl. 1 I w The base=bracketyllactsas aguide' for a 010,-. sure or gate [2 which isadapted" to slide in grooves, not shown,'carried by the inner surfaces of the wallsof the vessel, when theclosure is at its outer end of its throw. Thefront end: of the closure is provided-with two spaced upstanding projections 13 between which extends a pin l4.

Rigidly attached to the front 4 adjacent the upper portion of the vessel is a fiat tapered spring l5 the lower end of which passes between the body of the closure and the pin I4 and is then turned upwardly. The spring is thus prevented from becoming disengaged from the closure. Said spring I5 is provided for the purpose of urging the gate 12 to a closed position. A lever 16 is pivotally mounted upon the front 4 by a fulcrum IT at a point slightly above the closure and the lower end of the lever *is adapted to contact the closure in such a manner that when its upper end is forced manually toward the front 4 the closure will be partially withdrawn from its closed position. A coil spring I8 is provided between the lever and the front 4 for normally holding the upper end of the lever at theend'of its throw away from the front 4. H

The sides 6 and l are each provided with rigidly mounted bearing members I9, 20, 2l, and 22, respectively. Slidably mounted in the bearings is provided-a trip-rod 23 which has its central portion bent at an angle forward and the front portion of which extends across the front 4. The front 4 is provided with a stop 24 which limits the-upward movement-of the trip-rod.

Around the rod 23 andbetween the bearings l9 and 20 and between the bearings 2| and 22 are provided respectively two sleeves 25 and 26 which are "each-normally held against-the respective bearings 20 and 22"by coil springs 21. One of the sleeves is provided with "a set screw 28 whereby it may be connected firmly to-the rod at any desired point intermediate its top and bottom. Rigidly mounted between the sleeves 25 and 26 and extending outwardly past the front 4 is a bracket 29 the lower end of'which is positioned adjacent the outer end of thegate I2 when the gate is at the outer end of its throw. The bracket 29 is adaptedto engage the lower up-turned end 30 of the spring l5 to hold the spring in a set position and to thus hold the gate at the outer end of its throw.

' A scale 3| of inches is provided upon the front 4 or upon the side 6 in order to indicate the distance below the bottom of the vessel at which the rod 23 is set. I

In operation, if it is desired to take a sample of fluid three inches above the bottom of a tank,

the set screw 28 will be loosened and the rod will be moved downwardly until its uppermost porwill pass through the bottom sediment and strike the bottom of the tank. The weight of the vessel will compress the springs 21 sufliciently to disengage the spring l5 from the bracket 29 and thespring will instantly force the closure l2 into aiclosed position.

Since the vessel during the lowering operation has had 'bothits top and bottom open it will have been lowered through the liquid without carrying any of the liquid downwardly with it, and therefore when the closure is closed the sample will be taken'at the'point at which the vessel is situated.' The closure 12 is preferably slightly wedge-shaped longitudinally and consequently will make a fluid tight seal with the hereinabove described grooves on the inner walls of the vessel which grooves are also tapered.

In Fig. 4 is illustrated an extension which may be used upon either or both ends of the rod 23. This extension consists substantially of a tube 32 adapted to pass over the end of the rod 23 and having a set screw 33 in its upper end for attaching it firmly to the rod. The lower end of the tube 32 is also provided with a similar set screw 34 whereby a second rod 35 may be firmly attached within the lower end of the tube. The tube 32 and the rod 35 may be of any desired length so that samples may be taken at any desired height above the bottom of a tank.

Obviously, the invention is susceptible of embodiment in forms other than that which is illustrated in the accompanying drawings and described herein, and applicable, for uses and purposes other than as detailed, and I therefore consider as my own all such modifications and adaptations and other uses of the form of the device herein described as fairly fall within the scope of my invention.

Having thus described my invention, what is,

claimed and desired to be secured by Letters Patent, is:

1. In a device of the class described, the combination with a body having open ends, and a slidable closure for the lower end thereof, of, a

spring carried by the exterior of the body and.v

connected to the closure for urging it to'a-closing position, longitudinally movable rods carried by opposite sides of the body and adapted to extend below the bottom thereof, said rods connect- 2. Organization as described in claim 1, and

spring means for sufficiently retarding upward movement of the rods with relation to the body to cause the rods to penetrate through bottom sediment before they are moved.

3. In a device of the class described, the combination with a body having open ends, and a slidable closure for the lower end thereof, of a spring carried by the exterior of the body and connected to the closure for urging it to a closing position, longitudinally movable rods carried by opposite sides of the body and adapted to extend below the bottom thereof, said rods connected together for simultaneous movement, a latch for holding the closure in an open position, said latch slidably. carried by the rods and adapted to be adjustably connected thereto for movement therewith, and adapted to release said closure to the action of said spring when the rods are moved upwardly with relation to the body, a fulcrum carried by the body, and a pry-bar mounted upon the fulcrum for urging the closure toward an open position.

4. Organization as described in claim 3, and spring means for sufficiently retarding upward movement of the rods with relation to the body to cause the rods to penetrate through bottom sediment before they are moved.

EMERSON w. PRIBBLET.

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