US2238395A - Pump - Google Patents

Description

Apri115, 1941.

A. NITTKA PUMP Filed Feb, 1s, 1939 the type described' in level inthe meterme-151941 y 1 f Application February 13, I v A ,z canna '(cn'ioa-g-ifjj I Vjand 'havii'lgy anfextens My invention Vrelates to pumps, and its princi-` n or other rfluid in the well under conditions in which natural pressure upon the surface of the f y or is exhausted, andrin order to enable those skilled in the art to which j liquid is non-existent my invention relates to make and use my saidv i pal object is to provide means for producing-an Y artificial pressure vupon the surface of the water invention,` I will now describe a preferred embodi-4 ment of the same as applied to a rotary pumpof Figure 1 shows an elevation partly in section of a completepumping and storage equipmenthaving myinvention applied thereto. f

,. g my 4prior patent, Serial No. f A2,065,090, issued December 22,-' 1936, reference bef- 1 l inghadtothe accompanying drawing,V in which- Y y 15.fwhile the yalve V2 Figure 2v isy a.l vertical elevation of the pump,

drawn toenlarged scale, taken in section on the center line.

line 3-v-3 of yFigure 2. f

Referring more particularly the central shaft I8 and driven through the pulley :land belt .B from the puney 2s' upon the motor A which, inthe present case, is electrically driven. I designates the inlet or suction pipeof the pump showingsl of the storage tank to be here-v designate correspondingnpartgnm) throughout theseveral views. A

A Figure 4is as fragmentary section taken on line `4--4 of Figure 3 illustratingin general the constructionof the air inlet and discharge valves;

" 'partsmof the pump are-designated by the'lsame y characters as are usedinthe prior patent abovek I v respective inlet -suchcommon construction to need no description,` v

and 3 designatesthe outlet nozzle of the sam'e',

K thesaid nozzle being connected througlrrubbert 'ori other flexible couplingfll "and pipe 32to` the the tank T lower portion `of the storage'tank T, being provided with an outlet pipe T' and-with as to cutoff current to the motor tank reaches i a predetermined point;

"i ldescribedand afloat F adaptedto rest upon the upperfsurface of the waterv in thetank and tooperate at the required` time through lever F' 45 and switch ySso a A when the ley 2s"lisniotintes.j 'up v r y n [low theg'water level in the Figure 3 is a horizontal sectional view taken on 29 l byaunionUwitha l Thus it willbewseenthat y movementof the ilap'valve |3, a corresponding `vertical movement is imparted tothe piston |34 f1 and,y as a resultran air'pressure issetrup withinv f the well sovthat the amount of liquidraised at f each rotationy of the rotor. 30 is very much iny on #whichlthegpull onjthe .shaft `j|8-.is the rotor 30 and in cooperative relation withthe'saidgotor is a iap valve.|3` hingedat |2, which controls the passage rof liquid from' the interior of the casingy i'tothe outletr or discharge nozzle il.l Connected to or integral kwiththe iiap valve I3 4is a leverl |32,

the said lever be'ir'ig-connected by a link |33 vto a piston |34.r The pistoni is 'slidably vmounted in the cylinder |35 andthe said cylinder is provided with inlet and outlet valves V', tively. ,Y f l 'I'he valve Vf is open to atmospheric pressure,

y dischargeslnto a pipe 9.' The inlet pipe j1 is provided with a strainer or nozzle 1lv positioned below thelevel of .the water in the Well-VW" and provided .with openings 18 .as shown in Figure I. The pipe 9 extends downwardlybe-A well, andis provided witha U-shapedportion 9| which is connected Short pipe of which-,'. of bell mouth shape, is located within the nozzleor strainer 1I.v l j with' each oscillatory creased. i n f Inlthe'present drawing, numerous component cited,"so that no repetitionl of the sarnefis deemed necessary.' The valves l and vdischarge chambers, are of v vItwll lbe observed from thefore'going specification'and by reference to lthe drawing that I forth, and while I have herein yhave provided a mechanism which is well adapted to the'purpose set suit any particular or peculiar requirements without departing from the spiritof myinvention as the switch S being-connected through wires to K' vytl'ie'leads of thernotor 'in the manner well known in the art 1 VThe pump P follows in generalthe construction in bearings shownin' the'drawing lof. my prior patent beforev l' defined in the appended claims.

,Thegblow oigvalve designatedfZ in Figure 1 and yshowny in` detail'in Figure 5 consists merely 'of a pipe Z' threadedlysec'ured at-Z2 withinthe y'top of the tank yT and having'a piston Z5 normal- `lv presseddownwards bya spring Z4.v The spring Zlisadjusted bymeans ofthe screw cap lZ3. so 'as to controlgthe pressure kupon the piston Z5-in f pl V2', respecy 92, the upper end V,v', together with theirv f f y showna preferred ernbodiment'of my inventiomitwill be readily understood that a lvarious modifications in detail may be vmade to the proper manner, so that when a predetermined air pressure is reached within the tank the piston is raised so as to uncover the lateral po'rt ZI, as will be understood.

Having thus described my I claim and desire to secure the United States is: n

1. The combination. with a pump having a housing, a rotor within said housing, a vertical suction pipe adapted to extend into a well, outlet opening, and an oscillatory valve member operated in one resilient means tion so 'as to control the dow oi housing to said outlet opening; having a cylinder, a pistonin said cylinder,

said invention, what by Letters Patent ot for operating it in liquid from said mik' means connecting said piston `with said valve y member, and a discharge pipe upon said air pump of said suction suction pipe pipe, whereby upon each 4oscillation of saidvalve member.

direction by said rotor and having l the other direcadjacent said 2. The combination, housing, a rotor within said suction pipe adapted to extend into a weil. an outlet opening, and an oscillatory valve member operated in one direction by said rotor ing resilient means for operating it in the other direction so as to control the iiow of liquid from said housing to said outlet openinll; of a outlet opening,

valve open having. an lupwardly turned portion terminatinz within .the .lower end o! said upon said connecting said to said lever. whereby air is delivered to valve member, and link means piston said suction pipe upon each oscillation o! said valve member.

ALFREDNIT'IK.

andhav-y

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