US1432709A - Pump suction strainer - Google Patents
Pump suction strainer Download PDFInfo
- Publication number
- US1432709A US1432709A US406541A US40654120A US1432709A US 1432709 A US1432709 A US 1432709A US 406541 A US406541 A US 406541A US 40654120 A US40654120 A US 40654120A US 1432709 A US1432709 A US 1432709A
- Authority
- US
- United States
- Prior art keywords
- strainer
- pump
- valve
- pump suction
- suction strainer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/10—Valves; Arrangement of valves
- F04B53/1037—Flap valves
Definitions
- the principal Vobject of thepinvention being to provide means tor ⁇ automatically scraping the exterior ot the strainer every time the pump is used.
- Another object of the invention is to provide a cylinder formed of aA plurality ot scraping blades which surround the strainer with means for attaching the cylinder to the suction valve ins'uch a manner 'that when the val ve is raised. the cylinder will be partly rotated to cause the blades to pass over the perforated' walls of the strainer 't scrape foreign matter therefrom.
- Another object of the invention is to provide spring means for holding the valve in closed position and for returning the scraper cylinder to its normal position, thus the scraper cylinder will be given a partial rotation in one direction when the valve is raised and will be rotated back to its normal position by the spring means while the.
- This invention also consists in certain other features of construction and in the combination and arrangen'ient'of the several parts, to be hereinafter t'ully described, illustrated in the accompanying drawings and specifically pointed out in vthe appended claims.
- Figure 2 is a longitudinal sectional view through Figure l.
- Figure 3 is a bottom view.
- Figure 4 is a cross section on line 4-4 of Figure l. i
- Figure 5 is a cross sectionon line 5-*5 of Figure l. l y
- this cylinder which is attached to fthis end, this cylinder being provided with rows of perforations as shown at 1J: indicates the ⁇ :toot valve which is placed in theV pipe l immediabove the strainer and the stem oi This stemis made in the form of an Archi medean screw, the rend i ot ⁇ which passes through clearance hole made in the bottom of tliestrainer. ⁇ l
- the valve is provided with wings 6 which engage the longitudinally extending guides. 7- tor preventing turning movement of the valve while permitting it to be moved vertically under the action of the pump.
- the scraper cylinder S is termed ot a hub 9 having an opening therein snugly engaging the screw so that the hub will be caused to rotate by the screw passing' through it ⁇ and the radiating arms oi" blades l() which have rightangularly extending parts l1 which engage the sides of the inder, the arms or blades 10 engaging the bottom of the strainer.
- a coiled spring 12 is placed around the lower end of the screw and said spring bears against the hub 9 and a washer 13 is held on the screw by the nut la which engages the screw threaded end oli-said screw.
- This spring will hold the valve upon its seat and when said valve is raised by the suction of the pump the stem and as this stem passes will also be raised through the huh it will cause the scraper thus causing strainer cylcylinder to be partly rotated the blades to scrape the 'walls ot' the strainer cylinder' and when the suction stroke ot the pumpis completed the spring will return the parts to normal position so that the lscraper cylinder is rotated in an opposite spaces between the blades are vertically ar-v ranged the matter scraped off the strainer by the 4blades will drop by gravity from said spaces.
- the invention is adaptedto be used on all ⁇ forms of reciprocating pumps for handling dirty fluids which are liable to choke an ordinary strainer, such as bllge and donkey pumps aboard ships, and those used in coal mines, factories and the like.
- This invention will be found extremely advantageous CIK for use on ship pumps as its use will render unnecessary the engineer or his lttenc'lmit divinginto the iithy hilge Water to @lean choked strainers.
- VVILLTr-LM (ft. Mei OKAY.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Electromagnetic Pumps, Or The Like (AREA)
Description
w. G. MACKAY.
PUMP SUCTION STRAINER. APPLICAUON FILED Aus.2a, 1920. RENEwED JUNE lo, 1922.
1,432,709. Patented oct. 17,1922.
2 SHEETS-SHEET l.
WITNESI w. G. MACKAY.
PUMP SUCTION STRAINER. APPLlcAnoN FILED AUG.2B. 1920. RENEwED JUNE 10, 1922.
Patented Oct. 17, 1922.
2 SHEETS-SHEET 2.
INVENTOR Patentedl @et l?, i922.
insana WILLIAM; fog, enterrar, or 'woncssrnn raassaorrosnrrs.
PUMP sucrron srseniiin.v
Application inea August 2851920, semi No. 406,541.
for pump strainers, the principal Vobject of thepinvention being to provide means tor` automatically scraping the exterior ot the strainer every time the pump is used.
Another object of the invention is to provide a cylinder formed of aA plurality ot scraping blades which surround the strainer with means for attaching the cylinder to the suction valve ins'uch a manner 'that when the val ve is raised. the cylinder will be partly rotated to cause the blades to pass over the perforated' walls of the strainer 't scrape foreign matter therefrom. g Another object of the invention is to provide spring means for holding the valve in closed position and for returning the scraper cylinder to its normal position, thus the scraper cylinder will be given a partial rotation in one direction when the valve is raised and will be rotated back to its normal position by the spring means while the.
valve is being lowered. r
This invention also consists in certain other features of construction and in the combination and arrangen'ient'of the several parts, to be hereinafter t'ully described, illustrated in the accompanying drawings and specifically pointed out in vthe appended claims.
ln describing my invention in detail, reiterence drawings wherein like characters denote like or corresponding parts throughout the sev-v eral views, and 1n which l Figure l is a sideV view showing the strainer end of the pump with my invention l applied thereto.
Figure 2 is a longitudinal sectional view through Figure l.
Figure 3 is a bottom view. o Figure 4 is a cross section on line 4-4 of Figure l. i
Figure 5 is a cross sectionon line 5-*5 of Figure l. l y
In these views l indicates the lower end of the pump or pipe to which the pump4 is attached and 2 indicates theV strainer cylately 'this valve is extended through the strainer,
will be had to the accompanying `Renewed June 10, `1922. Serial No. 567,461.
inder which is attached to fthis end, this cylinder being provided with rows of perforations as shown at 1J: indicates the `:toot valve which is placed in theV pipe l immediabove the strainer and the stem oi This stemis made in the form of an Archi medean screw, the rend i ot `which passes through clearance hole made in the bottom of tliestrainer.` lThe valve is provided with wings 6 which engage the longitudinally extending guides. 7- tor preventing turning movement of the valve while permitting it to be moved vertically under the action of the pump.
The scraper cylinder S is termed ot a hub 9 having an opening therein snugly engaging the screw so that the hub will be caused to rotate by the screw passing' through it` and the radiating arms oi" blades l() which have rightangularly extending parts l1 which engage the sides of the inder, the arms or blades 10 engaging the bottom of the strainer. A coiled spring 12 is placed around the lower end of the screw and said spring bears against the hub 9 and a washer 13 is held on the screw by the nut la which engages the screw threaded end oli-said screw. This spring will hold the valve upon its seat and when said valve is raised by the suction of the pump the stem and as this stem passes will also be raised through the huh it will cause the scraper thus causing strainer cylcylinder to be partly rotated the blades to scrape the 'walls ot' the strainer cylinder' and when the suction stroke ot the pumpis completed the spring will return the parts to normal position so that the lscraper cylinder is rotated in an opposite spaces between the blades are vertically ar-v ranged the matter scraped off the strainer by the 4blades will drop by gravity from said spaces.
The invention is adaptedto be used on all `forms of reciprocating pumps for handling dirty fluids which are liable to choke an ordinary strainer, such as bllge and donkey pumps aboard ships, and those used in coal mines, factories and the like. This invention will be found extremely advantageous CIK for use on ship pumps as its use will render unnecessary the engineer or his lttenc'lmit divinginto the iithy hilge Water to @lean choked strainers. p It is thought from the 'foregoing' description that the advantages and nove feafein'esf of my invention will be readily apparent.
I desire it te lhe understood that E may I make changes in the construction and in the ,Gewinne-tron and arrangement of the "severa-i ynfovided thatsueh changes 'fait With- Y 1e scope ofi the appended claims; Qi/"hebt l eizrlln 151:--n
er.; foot vafive dbove the strainer, a eyi-inder surroundinglv the strzii-ne and formed of a plurality olii serztpirng bindes: :und inezursfior oscillating the `ey1^ind1er on the Strainer by the movement off this foot valve. 9;. in eon'biflmtion with a lpunrp and vits Strainer, :L foot veit-'eier the pump, e stein thereon pti-ssii* tiirough `the 'Strainer and twisted to produce :11nosei-iifzl'ting soreiv,` :i
1.111- eombination 'Withe pump and its* cylinder surrounding the strainer' and formed of a plurality oi? scraping blades and :t i-u-ih, said hub engaging the screw and Spring7 Ineens; 'for holding the foot valve in inde Surrounding the-'strainer and coin-- pr 1j a. huh engaging the screw and indi-` etinn bied-ee bovini@ rightatnomia-rij; extend`- C ingr parte at their outer endsfor engaging the side Walls of the strainer-i e eo-iled spring ontltei-lewergendo'il the SereW and t nut and Wes-her ier hoidi the spring 'between themives und* the hub, y
1n teStimo'a-ry whereof l MEX my signet-ure.
VVILLTr-LM (ft. Mei OKAY.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US406541A US1432709A (en) | 1920-08-28 | 1920-08-28 | Pump suction strainer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US406541A US1432709A (en) | 1920-08-28 | 1920-08-28 | Pump suction strainer |
Publications (1)
Publication Number | Publication Date |
---|---|
US1432709A true US1432709A (en) | 1922-10-17 |
Family
ID=23608417
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US406541A Expired - Lifetime US1432709A (en) | 1920-08-28 | 1920-08-28 | Pump suction strainer |
Country Status (1)
Country | Link |
---|---|
US (1) | US1432709A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2408053A1 (en) * | 1977-11-02 | 1979-06-01 | Ceske Vysoke Uceni Tech | PUMP STRAINER |
EP0167964A2 (en) * | 1984-07-12 | 1986-01-15 | Karl Jeromin | Check valve for a suction line |
-
1920
- 1920-08-28 US US406541A patent/US1432709A/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2408053A1 (en) * | 1977-11-02 | 1979-06-01 | Ceske Vysoke Uceni Tech | PUMP STRAINER |
EP0167964A2 (en) * | 1984-07-12 | 1986-01-15 | Karl Jeromin | Check valve for a suction line |
EP0167964A3 (en) * | 1984-07-12 | 1989-02-01 | Karl Jeromin | Check valve for a suction line |
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