US186358A - Improvement in pumps - Google Patents

Improvement in pumps Download PDF

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US186358A
US186358A US186358DA US186358A US 186358 A US186358 A US 186358A US 186358D A US186358D A US 186358DA US 186358 A US186358 A US 186358A
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chamber
air
valve
pumps
pump
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04FPUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F1/00Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped
    • F04F1/18Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped the fluid medium being mixed with, or generated from the liquid to be pumped

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  • Figure l is a side elevation of a pump ernpreferably covered with rubber orother yieldbodying my improvements; Fig. 2, a section ing material, and when this plug is employed in the plane of the ⁇ line w,- Fig. 3, a section the tube O should pass through it.
  • the plug in the plane of theline z z; Fig. 4, a like rep- P, however, is only essential for the purpose resentation of the piston-head; Fig. 5, a side set forth. elevation of the escape-valve; and Fig. 6,A a
  • the operation of the pump is as follows: like representation of the base or stopper ap- During the upstroke of the piston air is plied to the lower end of the air-chamber.
  • valve B is closed by the usually employed to draw off the fluid condownstroke of the piston, and the air in the tents of casks, barrels, and smaller Y vessels; cylinder A is forced out through the tube H and consists in certain novel features, subinto the chamber G, holding both valves therestantially as hereinafter described, which I in firmly against their seats. From the chamemploy for the purpose of facilitating the ber G the air is forced through the tube M operation above referred to, and for improvinto the vessel, to which the pump is applied.
  • A represents the pistonthe valve J, so that the latter will not be chamber.
  • B is an upwardly-yielding valve in opened accidentally.
  • This valve or ventJ howthe bottom of the chamber A,and O is a reever, may be opened at any time by pressing movable cap applied to the top of the said it inwardly. In this manner all or any part chamber.
  • D is the piston, and Eis the pis ⁇ of the contents of the vessel may be drawn ton-stem.
  • F F are air-ports in the chamber off, and, owing to the elastic pressure exerted A. These ports are arranged, as shown, beby the air within the vessel, the flow will conlow the diaphragm, in which the valve B is tinue for some time after. the .action of the arranged.
  • G is an air-chamber, arranged bepiston ceases. If it is desirable thatthis flow low the chamber A. H is an air-duct entershould be stopped suddenly the valveJ should ing the chamberA at a point above the valvebe pressed, so that the air may thus escape. ⁇ seat of the valve B, and also entering the By constructing the pump in this manner chamber G.
  • I is an inwardly-opening valve it not only properly performs the work for arranged over the port, through which the w'hich it is intended in a satisfactory manner, duct H communicates with the chamber G. J but is compact, simple in construction, and is also an inwardly-opening valve, arranged readily portable.
  • the tube O by being verto cover a vent or port, K, in the chamber G. tically adjustable, admits of the pump being L is a base or bung connected to the chamber applied with facility to casks or vessels of G by means of -the duct M, which enters the various depths. said chamber and passes through the part L.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)

Description

UNITED Sfrritrns4 PATENT AOFFIGIn.,
f GEORGE n. MCORUM, or oHIcAGo, ILLINOIS.
IMPROVEMENT IN PUMPS..
Specification forming part` of Letters Patent N o. 186,358,` dated January 16, 1,877 application ,tiled December 12, 1876.
To all 'whom it may concern The periphery of the part L is screw-threaded,
`Be it known that l, GEORGE R. MGCRUM, as represented at L, and N is a correspondof Chicago, in the county of Cook and State ingly-threaded part run upon the part L', and of Illinois, have invented certain new and intended to serve as a bush'for the bung-hole useful Improvements in Pumps; and I do when the pump is applied, for example, to a hereby declare the following to beafull, clear, barrel, with the intention of having it reand exact description thereof, which will enmain there for a considerable time. O is an able others skilled in the art to which my ineduction-tube passing through the part L, and vention appertains to apply myimprovements vertically adjustable therein.
to use, reference -beinghad to the accompany- In order to adapt the pump for frequent reing drawing, forming a part hereof, and in movals or transfers from vessel to vessel, Iapwhich ply to the part L the hollow tapering plug P,
Figure l is a side elevation of a pump ernpreferably covered with rubber orother yieldbodying my improvements; Fig. 2, a section ing material, and when this plug is employed in the plane of the` line w,- Fig. 3, a section the tube O should pass through it. The plug in the plane of theline z z; Fig. 4, a like rep- P, however, is only essential for the purpose resentation of the piston-head; Fig. 5, a side set forth. elevation of the escape-valve; and Fig. 6,A a The operation of the pump is as follows: like representation of the base or stopper ap- During the upstroke of the piston air is plied to the lower end of the air-chamber. sucked in through the ports F F, and passes Like letters of reference indicate likeparts. thence through the valve B into the chamber My invention relates to that class of pumps or cylinder A. The valve B is closed by the usually employed to draw off the fluid condownstroke of the piston, and the air in the tents of casks, barrels, and smaller Y vessels; cylinder A is forced out through the tube H and consists in certain novel features, subinto the chamber G, holding both valves therestantially as hereinafter described, which I in firmly against their seats. From the chamemploy for the purpose of facilitating the ber G the air is forced through the tube M operation above referred to, and for improvinto the vessel, to which the pump is applied. ing the construction of pumps of this class in This pressure of air in the vessel causes the various particulars, as will hereinafter more contents to flow out through the tube O. I` fully appear. deem it best to have a small spring, a, rest on In the drawing, A represents the pistonthe valve J, so that the latter will not be chamber. B is an upwardly-yielding valve in opened accidentally. This valve or ventJ, howthe bottom of the chamber A,and O is a reever, may be opened at any time by pressing movable cap applied to the top of the said it inwardly. In this manner all or any part chamber. D is the piston, and Eis the pis` of the contents of the vessel may be drawn ton-stem. F F are air-ports in the chamber off, and, owing to the elastic pressure exerted A. These ports are arranged, as shown, beby the air within the vessel, the flow will conlow the diaphragm, in which the valve B is tinue for some time after. the .action of the arranged. G is an air-chamber, arranged bepiston ceases. If it is desirable thatthis flow low the chamber A. H is an air-duct entershould be stopped suddenly the valveJ should ing the chamberA at a point above the valvebe pressed, so that the air may thus escape.` seat of the valve B, and also entering the By constructing the pump in this manner chamber G. I is an inwardly-opening valve it not only properly performs the work for arranged over the port, through which the w'hich it is intended in a satisfactory manner, duct H communicates with the chamber G. J but is compact, simple in construction, and is also an inwardly-opening valve, arranged readily portable. The tube O, by being verto cover a vent or port, K, in the chamber G. tically adjustable, admits of the pump being L is a base or bung connected to the chamber applied with facility to casks or vessels of G by means of -the duct M, which enters the various depths. said chamber and passes through the part L. Having thus described my invention, what 2. The combination of the hollow plug P, the vertically-adjustable discharge-pipe O, and an air-pump attached to and communicating with the said plug, substantially as and for the 'purposes specied.
3. The combination, in connection with an air-pump, of the vent orl valve J, and the hollow plug communicating with the said vent, substantially as and for the purposes specied.
. GEORGE R. MCCRUM. Witnesses:
F. F. WARNER, ULLMAN STRONG.
US186358D Improvement in pumps Expired - Lifetime US186358A (en)

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