US380509A - Lift or force pump - Google Patents

Lift or force pump Download PDF

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US380509A
US380509A US380509DA US380509A US 380509 A US380509 A US 380509A US 380509D A US380509D A US 380509DA US 380509 A US380509 A US 380509A
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water
pipe
cylinder
pump
plunger
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M57/00Fuel-injectors combined or associated with other devices
    • F02M57/02Injectors structurally combined with fuel-injection pumps

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  • My invention relates to that class of handpumps in which the water is lifted or forced from a lower to a higher level, in contradistinction to those in which a partial vacuum is created by the reciprocation of the plunger and the water raised by the weight of the atniosphere.
  • Figure 1 is a central vertical section of a pump embodying my invention.
  • Fig. 2 is avertical section in the line 2 2, Fig. 2.
  • Fig. 2 is a partial horizontal section of Fig. 2 in the line 2 2, Fig. 2.
  • Fig. 3 is a view, partly in section and partly in elevation, showing a modified construction.
  • Fig. 4 is a detail view of the plunger in Fig. 3.
  • the reference-numeral l designates the body or cylinder of the pump, which may be double, as in Figs. 1, 2, and 2, or single, as in Figs. 3 and 4, the construction of the cylinders notbeing essentially different in either case. It consists of a V61 tical cylindrical shell of suitable diameter to accommodate the plunger and provided with inlet-ports 2, cut through its wall at a point not far from midway the length of the cylinder. In the inner face of the cylinder are out circular channels 3, leading from its upper end down to the level of the ports 2, said channels alternating in arrangement with the said ports.
  • the cylinder 1 is part of a base, 4, having an extension, 5, within which is formed a valve-chamber, 6, communicating with the lower end of the cylinder by a water-way, 7.
  • a valve-chamber communicating with the lower end of the cylinder by a water-way, 7.
  • the chamber 6 is placed a check-valve, 8, engaging with a seat, 9.
  • a delivery-pipe, 10, is screwed upon a threaded nipple, 11, within which the valve seat9 is formed.
  • the pipe 10 extends to the point where the water is delivered.
  • the plunger 12 composed of an iron bell-shaped shell without packing, to the upper closed end of which the actuating-rod 13 is centrally attached.
  • This plunger operates within the pumpcylinder,and has a close surface-contact below the horizontal plane of the inlet-ports 2. Above this point the plunger bears upon the cheeks 14 of the cylinder-shell, airingrcss being given by the air-pipe15.
  • an air-pipe,15 is tapped into the extension 5, communicating with the water-way 7, between the cylinder 1 and the check-valve 8.
  • each cylinder having the construction already set forth.
  • a piston or plunger, 12 reciprocates; but instead of the connection with the actuating-rod 13 each plunger is provided with a vertical rack-bar, 16, with which is geared a double sector-gear, 17, centrally mounted, relatively to the rack-bars 16, upon a bracket, 18.
  • the actuating-rod 13 is connected by a pi votjoint, 19, to one of these rack-bars, and its other end is mounted upon a wrist-pin, 20, carried bya gear, 21, journaled on a stud, 22, in a housing, 23, of any suitable pattern. Meshing with the gear 21 is a pinion, 24, also journaled within the housing and driven by the crank 25.
  • the extension 5 is broadened and contains two check-valves, 8, having alternate action, each closing and opening the double water-way 7.
  • an air-pipe, 15, is employed, communicating with the common water-way 7 between the two cylinders and the two checkvalves.
  • Each plunger 12 is provided with an airchamber, 12, by which the shock of a sudden stroke is softened and all the benefit of an airglobe substantially obtained.
  • valve-chamber and delivery-pipe substantially as described.
  • a pump the combination, with a pair of totallysubmerged vertical cylinders having lateral inlet-ports, a common delivery-pipe, and alternately reciprocating plungers, of water-Ways leading from the base of each cylinder to a common delivery-pipe, check-valves located between said water-ways and delivery pipe, an air-pipe communicating with a chamber common to said water-ways, and air-valves located in said chamber, substantially as described.
  • a totallysubmerged vertical cylinder mounted upon a base, 4, provided with an extension, 5, having formed therein a water-way, 7, leading from the lower end of the cylinder, and a valvechamber, 6, and air-chamber 25, communieating with said water-way, said vertical cylinder being provided with lateral inlet-ports, 2, vertical channels 3, and check-pieces 14, a bell-shaped plunger, '12, a delivery-pipe, 10, communicating with the base of the cylinder, an air-pipe, 15, check-valve 8, and air-valve 15?, substantially as described.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)

Description

(No Medal.) 2 Sheets-Sheet 1 J. NORTH.
LIFT 0R FORGE PUMP.
,509. Patented A1133, 1-888.
(No Model.) 2 Sheets-Sheet 2.
J. NORTH.
LIFT OR FORGE PUMP.
Patented Apr.. 3, 1888.
a /4. 1 M w %////W//// Wizawaaasz UNiTnn STATES PATENT @FFIQE.
JOHN NORTH, OF MIDDLETOYVN, CONNECTICUT.
LlFT OR FORCE PUMP.
SPECIFICATION forming part of Letters Patent No. 380,509, dated April 3, 1888.
Application filed June 9, 1887. Serial No. 240,761. (No model.)
To aZZ 1071 0122. it may concern.-
Be it known that 1, JOHN NORTH, a citizen of the United States, residing at Middletown, in the county of Middlesex and State of Con' necticut, have invented new and useful Improvements in Lift or Force Pumps, of which the following is a specification.
My invention relates to that class of handpumps in which the water is lifted or forced from a lower to a higher level, in contradistinction to those in which a partial vacuum is created by the reciprocation of the plunger and the water raised by the weight of the atniosphere.
It is the purpose of my present invention to provide a simple,durable, and easily-operated mechanism in which liability to freeze,as well as oxidation of the metal, is wholly avoided, while the action of the pump will effect a con stant circulation of air, by which the water is purified and the effects of long stagnation prevented.
It is also my purpose to provide a pump of such construction that it may be operated with comparatively little power and quickly produce a plentiful supply of water. i
It is one purpose of my invention also to so organize the pump that it will draw water from a well or cistern directly, or when lo-' cated at a distance therefrom and connected by a suitable pipe entering at or near the bottom of the reservoir.
The invention consists in the several novel features of construction and new combinations of parts hereinafter fully set forth, and definitely pointed out in the claims which follow this specification.
In the accompanying drawings, Figure 1 is a central vertical section of a pump embodying my invention. Fig. 2 is avertical section in the line 2 2, Fig. 2. Fig. 2 is a partial horizontal section of Fig. 2 in the line 2 2, Fig. 2. Fig. 3 is a view, partly in section and partly in elevation, showing a modified construction. Fig. 4 is a detail view of the plunger in Fig. 3.
In the said drawingathe reference-numeral l designates the body or cylinder of the pump, which may be double, as in Figs. 1, 2, and 2, or single, as in Figs. 3 and 4, the construction of the cylinders notbeing essentially different in either case. It consists of a V61 tical cylindrical shell of suitable diameter to accommodate the plunger and provided with inlet-ports 2, cut through its wall at a point not far from midway the length of the cylinder. In the inner face of the cylinder are out circular channels 3, leading from its upper end down to the level of the ports 2, said channels alternating in arrangement with the said ports.
The cylinder 1 is part of a base, 4, having an extension, 5, within which is formed a valve-chamber, 6, communicating with the lower end of the cylinder by a water-way, 7. \Vithin the chamber 6 is placed a check-valve, 8, engaging with a seat, 9. A delivery-pipe, 10, is screwed upon a threaded nipple, 11, within which the valve seat9 is formed. The pipe 10 extends to the point where the water is delivered.
Within the cylinder 1 is arranged the plunger 12, composed of an iron bell-shaped shell without packing, to the upper closed end of which the actuating-rod 13 is centrally attached. This plunger operates within the pumpcylinder,and has a close surface-contact below the horizontal plane of the inlet-ports 2. Above this point the plunger bears upon the cheeks 14 of the cylinder-shell, airingrcss being given by the air-pipe15. In order to per feet the work of the plunger, an air-pipe,15, is tapped into the extension 5, communicating with the water-way 7, between the cylinder 1 and the check-valve 8. The end of this pipe rises above the level of the water in the reservoir, and in a small valve-chamber just beneath the end of said pipe is seated an airvalve, 15, which closes as the plunger descends. The pump thus organized is placed in the well, cistern, or other reservoir, upon the bottom thereof, and the actuating-rod, as well as the outlet-pipe, is extended to the surface, or to any point or points where the operation of the pump and the delivery of the water may be desired. The total submersion of the. parts prevents oxidation of the iron, and also avoids the freezing which so often disables chain-pumps and occasions the injury of the rubber valves by the repeated use of hot water.
The same invention, essentially, may be embodied in a doubleacting pump, as shown in the drawings. In this construction two cylinders 1 are mounted upon a prolonged base,
4, each cylinder having the construction already set forth. In each of these cylinders a piston or plunger, 12, reciprocates; but instead of the connection with the actuating-rod 13 each plunger is provided with a vertical rack-bar, 16, with which is geared a double sector-gear, 17, centrally mounted, relatively to the rack-bars 16, upon a bracket, 18.
The actuating-rod 13 is connected by a pi votjoint, 19, to one of these rack-bars, and its other end is mounted upon a wrist-pin, 20, carried bya gear, 21, journaled on a stud, 22, in a housing, 23, of any suitable pattern. Meshing with the gear 21 is a pinion, 24, also journaled within the housing and driven by the crank 25. In this modified construction the extension 5 is broadened and contains two check-valves, 8, having alternate action, each closing and opening the double water-way 7. In this form, also, an air-pipe, 15, is employed, communicating with the common water-way 7 between the two cylinders and the two checkvalves. In order to harmonize the admission of air by this pipe with the alternate action of the cylinders, plungers, and valves, I extend from the bottom of each cylinder an airchamber, 25 which communicates with one of the valve-chambers containing the air-valve 15. These air-valves alternate in action with the check-valves 8 and the latter hold the water in the outlet-pipe, while the former permit the rise of the plungers alternately.
I have shown in the drawings nuts 26, which limit the rise of the check-valves 8, as well as air-valve check-nuts 27; but it will readily be understood that any other construction which will effect like results will be within the limits of my invention.
Each plunger 12 is provided with an airchamber, 12, by which the shock of a sudden stroke is softened and all the benefit of an airglobe substantially obtained.
the water-way at the base of the cylinder, and
thence through the valve-chamber and delivery-pipe, substantially as described.
2. In a pump, the combination, with a pair of totallysubmerged vertical cylinders having lateral inlet-ports, a common delivery-pipe, and alternately reciprocating plungers, of water-Ways leading from the base of each cylinder to a common delivery-pipe, check-valves located between said water-ways and delivery pipe, an air-pipe communicating with a chamber common to said water-ways, and air-valves located in said chamber, substantially as described.
3. In a pump, the combination of a totallysubmerged vertical cylinder mounted upon a base, 4, provided with an extension, 5, having formed therein a water-way, 7, leading from the lower end of the cylinder, and a valvechamber, 6, and air-chamber 25, communieating with said water-way, said vertical cylinder being provided with lateral inlet-ports, 2, vertical channels 3, and check-pieces 14, a bell-shaped plunger, '12, a delivery-pipe, 10, communicating with the base of the cylinder, an air-pipe, 15, check-valve 8, and air-valve 15?, substantially as described.
In testimony whereof I affix my signature in presence of two witnesses.
JOHN NORTH.
\Vitnesses:
O. M. WILLIAMs, W. R. PLUM.
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5492535A (en) * 1994-04-06 1996-02-20 Cordis Corporation Hand-powered pumping apparatus for perfusion and other fluid catheterization procedures
WO2005005829A1 (en) * 2003-07-10 2005-01-20 Robert Bosch Gmbh Piston machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5492535A (en) * 1994-04-06 1996-02-20 Cordis Corporation Hand-powered pumping apparatus for perfusion and other fluid catheterization procedures
WO2005005829A1 (en) * 2003-07-10 2005-01-20 Robert Bosch Gmbh Piston machine

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