US1331846A

US1331846A - Pump

Info

Publication number: US1331846A
Application number: US235983A
Authority: US
Inventors: Henry C Frahm
Original assignee: Individual
Current assignee: Individual
Priority date: 1918-05-22
Filing date: 1918-05-22
Publication date: 1920-02-24
Anticipated expiration: 1937-02-24

Description

PUMP.

APPLICATION FILED MAY 22, 1918.

` 1,331,846. i Patented Feb. 24,1920.

2 SHEETS-SHEET li o o i A y l l 704/ r ATTORNEY H'. C. FRAHM.

PUMP.

APPLICATION FILED MAY 22, Isla.

1,381,846. Patented Feb. 24,1920.

2 SHEETS-SHEET 2.

INVENTOR WITNESSES ATTOR N EY UNITED STATES PATENT ormoni.

nnuaire. FimH-M, oF HALC'Ydn, onL'I'ro"aura.v

To all whom it may concern.'

v Be it known that I, HENRYiCfFRAHM, a

citizen of the UnitedV States, `residing at Halcyon, in the county of San Luis Obispo and State of California, have invented certain new and useful Improvements in Pumps, of which the following is a speciflcation. f

This invention relates to pumps, and more particularly to a pump of the doublegact-ing 4the piston,

Pe l l Y One of the main obgectsrof the invention is to .provide 'a pumpof the character. de-

scribed of simple construction yand operation, and capable of pumping a relatively great Iquantity. ofwater in agiven time.

A A'further object is to provide a pump composed of a minimum of parts in which when moved in either direction, will force water into the outlet "andl will simultaneusly draw water into the inlet, 'thus insuring smoothness" of operation and avoid-1 ing 'unnecessary vibration. v A still further obj ect is to provide al pump which maybe readily sembled for cleaning, repairs, and other purposes.'Y .f i

Further objects tailed description.

In the drawingsz Y c Figure 1 is a top plan view of a pump constructed in accordance with my invention partly broken away to show the `interior construction.v

Fig. 2 .is a sectional vi tially on line 2--2 of Fig. 1`.

Fig. 3 is a centrallongitidin'al section. Fig. 4 is an end view taken from the discharge or outlet end, partly in, `section.V

The pump casing designated Vgenerally by A is provided with a central cylindrical body-portion 1 whichis enlarged at one end will appear `from the deew taken substan- `to provide an inlet valve casing2 project sisecinctin of Letters Patent.

` threaded to receive supportingV `secured therein. Each of thespiders is vpro.- vided with a central hub l1O'in which isse-V assembled or disasy proximately,

being provided with spaced openings, spiders 9 cured the y'lower end 'portion of avalve 'pin Harigel ca-p 12 `which slidably receives the neck 13`of a disk valve 14 which is normally forced downwardly-by a `coil spring A15., mounted about theV neck 'of the valve and l l Y v y t i 1 l Patented Feb. 24,v l1920. Application-med May 22, 191s. serial 110,235,983; y Y f 5 .11 on heupperend of 'which is" threaded ,a i

confined between the'valvebody and"caip1-12.

,'These valvest fact to normally close the linlet openings between theinlet valve casing 2 and the inlet 'connection 5. The body 1 is further provided, at its forward end, with an outlet casing A17 'formed 4'integral therewith, this Vcasing having 'a'lower portion 18 and an uppersubst'antial'ly rectangular portion 19, these ltwo portions of the casing being separated by a central horizontal web upper andl ilower compartments. This web is provided .adjacent e'achside `of the casing 17 with an outlet openingr fan'd isthreaded lto -receive a spider 21 similar to the spiders 20 which serves to divide the Vcasinginto i 9, which carries a pin 22 slidably` receiving theneck 23 `of a disk outlet valve 24hor- :n ially4 -h'eld yin seatedposition an expansion 'coil spring 25 Confined between thebody Vof the valveIandI the flange cap 2'6 secured A These valves on theupper `end of pin 22. servev to. controlcommunication between the water receiving spaces =27 `and the .exhaust Lchamber 28.

A. pumpv cylinder `30 is mounted the casing A concentric withbody 1 thereof. j Y

This cylinder corresponds in lengtln. ap-

to' theV interior length of the casing and fits lsnugly between the: upper arcuate web member 31 formed integral with the top portion of the body 1 and inlet casing ingQ 'and the web 20 of outlet or exhaust casing17, and the arcuate member 32 formed integralA with the Vlower portions of the body 1 andthe lower porti'on 18 of the exhaust 30 fits tightly against the front closure plate 33 of the exhaust casing 17, a suitable packing ring or gasket 3.4@ being provided in the casingf17- As .willbe noted more clearly Vplate 33 for the reception of the forward end portion ofthe cylinder so as to insure a `fluid tight closure therefor.l The lower portion of the rearwardyend portion of the cylinder 30 lits tightly .in the arcuatehead cured to the valve plate mid-way between the inlet valve 24 and serves. to divide, 1n

let compartments 39 and 40. As will be evi- Y dent, ,thecylinder 39 alsogserves tov provide twowat'er

passages

41 and 42 which extend along eachvside of the cylinder-and communicate, at their forward ends, withthe water: compartments 27of the lower portion 18' of the casing'17. A closure plug 43 is ymounted'infthe .rearward end of cylinder 430. `This plug is Iof semi-circular outline, and has its greatest axis directed `vertically thus .dividing the endv of the cylinder into two equal parts, and forming a semi-circu lar inletJ opening-44 which establishes directfcommunication' between the rearward end of the-cylinderand the inlet compartment-39. As will beclear from Fig. 3, this plug is provided with a shoulder 43a which acts yas al spacing member to hold the rearward end of the cylinder in vspacedV relation to the vinner face of closure plate 3 for casing "2, thus. insuring free flow of water --n either` direction through opening 44. CylinderBO isfurther provided, .adjacent Aits Yforward pend, with an opening- 45 which communicates directly with the outlet water compartment 27 with which the water passage 41 communicates. Suitable elbows 46 communicate with the exhaust compartment 538 .of't'hezexhaust valve casing 17 Yso as to permit the water'to be conveyed tothe usual 'alrdome orv head withwhich the discharge pipefcommunicates, or if preferred, the wa- -ter :may be discharged directly Vfroml the 'casing 17. To permit ready accessto the initerior -of the exhaust valve chamber,

plate 47 'is secured on the upperV end of the casing17 yby capscrews 48 so as Vto-bedetachable therefrom. 1 j

A piston 49 fits snugly in the cylinderjBO and: is adapted to be reciprocated therein by meansl of thepiston' rod 50 which may be connected to lany suitable operating mechanism. When thepistonis drawn outwardly or toward thevfront of the pump casing A, the inlet valve 14 which is positioned within the inlet'compartment 39 will Aberaised'so astopermit waterto be drawn into this compartment and into thecylinder ini front of the piston 49. When the'piston'ismoved rearwardly inthe cylinder, the valve in inlet compartment 39 will be closed and the'water lwlthinfthe cylinder 30-in back of the piston will' be yforced outof the cylinder through lthe opening 44 into'thecompartment 39, this assage with v'sults in' unseating the exhaust valve 24 so as to permit lthe water to flow into the exhaust chamber 28, and through the outlet 5l there- -pfintothe elbow 46.'` lAlso,:du1ing this'rearl By removing the end plates 'ofthe casing,

'a cap v I claimas new and ward movement of the piston 49, a vacuum will be formed in the cylinder 30 in front of the piston thus causing the other inlet valve 14 to be raised or unseatedso as to admit waterinto the inlet compartment 40 and into the cylinder 30 vthrough the water passage 41'V andthe outlet compartment v27 *with which i this passage communicates. When the piston is again moved toward the front of the casing, this water' will be forced through the opening. 451into'the compart ment 27," so asto unseat the other exhaust valve 24, the water then owing into exhaust chamber 28l and through the openings 5l thereof and elbows V46.' *By this"construction, when the piston ofthe pump is moved in either direction, water will be forced into `the exhaust chamber28, andequal'quantity Of-water will be VVsimultaneously drawn into the pump casing y,so as to be forced'into 85 the exhaust chamber L'when the piston is V movedvin the opposite'directionf This'insures'a pumpwhich is'capableof pumping a relatively great quantity of water or other fluid within a comparatively short time,`and 90 also serves lto eliminateunnecessary or 'Y vibratiomias the piston is at all timesworking against-a cushion formedby theiwater beingexpelled from the pump'.

the piston may .be'readily'detac'hed from the pistonrod 50, by rmeans YofA any suitable"l instrument, the closure plugY 43 being irstremoved fromvthefend ofthe cylinder; f Also, the cylinder may-'bereadilyremoved from the casing, thus permitting the pump Yto be quicklyV and easilydisassembled for cleaning, repair and similar purpose. v l i The foregoing description'and the draw ings, have referenceto' whatV may beconsidered the preferred' or approved, iformV of my invention. {ti/sto be unnderstood'that'l may make such changes in constructionand arrangement and" combinationofpar-ts, materials, dimensions,"etc1, as-*fmay prove 'ex- 110 pedient and` fall vwithin the scope'o'f the appended claims.-v '1 'z' Having thus described my invention what desire to'secure by Letters l?atentis:--l l 1 f e "S j 1. Ina device "of Vthecharacter described, the combination of a pump casing consisting of a centralcylindrical body portion pro- ,videdV` with a cylinder extending there-V through and projecting therebeyond, a dividedoutlet casinglformed atone endof said body and extending thereabove, thus' forming a nplurality of compartments, valve means for each compartment, a divided intake valve casing uponthe opposite end of said body and dependingjtherebelow, thus formingapair of compartments insaid Vintake casing, valve means in said intakeV casing, means for `forming` communication -between said cylinder` and "body portion, and

l through said cylindrical body and eXtendpiston reciprocalywithin said cylinder casing, all for the purposes set forth.

2. In a device of the class described, the

combination of a cylindrical body portionA having an intake valve casing at one end thereof and an outlet casing at the opposite end thereof, said intake valve casing having a horizontal valve plate, valve'members carried by said plate, a partition member carried by the central portion of said valve plate and having an arcuate head on its upper portion, a pump cylinder extending ing into each of said casngs,`said pump cylinder being smaller than Vsaid cylindrical body to form passage Ways upon the exterior of the cylinder, said cylinder resting upon said arcuate head, thereby forming a pair of compartments 1n said mtake casing,

a horizontal web carried within said outlet casing and having an arcuate Web thereon, said pump cylinder engaging said last mentioned arcuate Web, thus forming a plurality of compartments in said outlet casing, valve means carried by said horizontal web, Whereby a valve means Will communicate with each of saidlast mentioned compartments, intake means connected to the intake casing, valve means connected to the outlet casing, and a piston reciprocally mounted within said pump cylinder.

In testimony whereof I affx'my signature in presence of two Witnesses.

HENRY C. FRAHM." Witnesses: i

T. R. PHILBRICK,

ELMER C. WHITE.