US179689A - Improvement in pumps - Google Patents

Improvement in pumps Download PDF

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Publication number
US179689A
US179689A US179689DA US179689A US 179689 A US179689 A US 179689A US 179689D A US179689D A US 179689DA US 179689 A US179689 A US 179689A
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Prior art keywords
pistons
suction
pump
pumps
improvement
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
    • F01B1/00—Reciprocating-piston machines or engines characterised by number or relative disposition of cylinders or by being built-up from separate cylinder-crankcase elements
    • F01B1/06—Reciprocating-piston machines or engines characterised by number or relative disposition of cylinders or by being built-up from separate cylinder-crankcase elements with cylinders in star or fan arrangement
    • F01B1/0641—Details, component parts specially adapted for such machines
    • F01B1/0668—Supporting and guiding means for the piston
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/18—Mechanical movements
    • Y10T74/18024—Rotary to reciprocating and rotary

Definitions

  • Figure 1 represents a vertical longitudinal section of my improved pump, taken on the line 0000, Fig. 2.
  • Fig. 2 is a vertical transverse section of the same on the line 0 c, Fig. 1; and
  • Fig. 3 is a detail top view of the piston carrying pins.
  • My invention relates to an improved rotary and suction pump of considerable power and eflicacy; and it consists of a revolving shaft, that imparts rotary motion to two sliding pistons, which are simultaneously reciprotated, so as to move alternately toward or away from each other, and produce thereby a compound action of the valves.
  • A represents a cylindrical casing, which is closed by heads A titted tightly thereto.
  • the heads A carry in suitable stutfing-boxes the central shaft (J,which is revolved by suitable power.
  • Two pistons, B slide in opposite directions on the shaft, and are revolved therewith by a liXed diametrical post or rod, 1), that extends midway be-' tween the heads from shaft 0. and engages two parallel carrier-pins, E, which are applied near each end and side of the post D, passing in longitudinal direction through the casing,
  • the pistons are'arranged with wave-grooves composed of four spiral curves, which produce simultaneously with each complete revolution of the piston four strokes of the same within the casing.
  • wave-grooves composed of four spiral curves, which produce simultaneously with each complete revolution of the piston four strokes of the same within the casing.
  • the effect of the compound rotating and reciprocating motion thus imparted to the pistons is the compound action of the valves F, which are both arranged at the side facing the delivery-pipe, and operated jointly as suction and force valves.
  • the next stroke of the piston draws again water from the suction-pipe, and forces simultaneously the water in the central chamber through the valve of the piston, near the delivery-pipe, into the chamber or space formed between the same and the pump-head.
  • the outward stroke forces the water in this pipe into the delivery-pipe while filling at the same time the interior chamber by the action of the first piston toward the suction -head of the pump, in connection with the suction exerted by the partial vacuum formed between the pistons on their outward stroke.
  • a combined suction and force pump provided with two pistons, sinniltaneously rotating and reciprocating in the manner and for the purpose specified.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)

Description

H. DURRE.
PUMPS.
Patented July 11. 1876.
ATTORNEYS.
N PEN FHOTD-LITHOGRAPNER, WASHINGTBN. DY'C,
UNITED STATES v A'IfENT QFFIGE.
HENRY DURRn'oF'NEw YORK, N. Y.
IMPROVEMENT IN PUMPS.
Specification forming part of LettersPatent No. 179,689, dated July 11, 1876; application filed November 19, 1875. 1
To all whom it may concern Be it known that I, HENRY DURRE, of the city, county, and State of New York, have invented anew and Improved Rotary Pump, of which the following is a specification:
Figure 1 represents a vertical longitudinal section of my improved pump, taken on the line 0000, Fig. 2. Fig. 2 is a vertical transverse section of the same on the line 0 c, Fig. 1; and Fig. 3 is a detail top view of the piston carrying pins.
Similar letters of reference indicatecorresponding parts.
My invention relates to an improved rotary and suction pump of considerable power and eflicacy; and it consists of a revolving shaft, that imparts rotary motion to two sliding pistons, which are simultaneously reciprotated, so as to move alternately toward or away from each other, and produce thereby a compound action of the valves.
In the drawing, A represents a cylindrical casing, which is closed by heads A titted tightly thereto. The heads A carry in suitable stutfing-boxes the central shaft (J,which is revolved by suitable power. Two pistons, B, slide in opposite directions on the shaft, and are revolved therewith by a liXed diametrical post or rod, 1), that extends midway be-' tween the heads from shaft 0. and engages two parallel carrier-pins, E, which are applied near each end and side of the post D, passing in longitudinal direction through the casing,
and entering socket-holes a of the pistons. Simultaneously with the revolving motion, imparted to the pistons by the shaft U, they are reciprocated along the same and the connecting carrierpins by means of guide-pins B,
that pass through top and bottom perforations of the casing A, and extend into wavegrooves b at the circumference of the pistons, as seen in Fig. 1. sists of alternately ascending and descending spirals, that are connected by straight or curved parts at their points of junction.
In the drawing the pistons are'arranged with wave-grooves composed of four spiral curves, which produce simultaneously with each complete revolution of the piston four strokes of the same within the casing. By increasing the nuinber of spirals of which the wave-groove is composed a-greater number of strokes to each revolution of the pistons may be obtained.
The wave-groove 1) con- The effect of the compound rotating and reciprocating motion thus imparted to the pistons is the compound action of the valves F, which are both arranged at the side facing the delivery-pipe, and operated jointly as suction and force valves.
The forward stroke-of the piston, near the suction-pipe, draws the water to the interior of the pump, near the suction-head, the returnstroke forcing it into the chamber formed between the pistons.
The next stroke of the piston draws again water from the suction-pipe, and forces simultaneously the water in the central chamber through the valve of the piston, near the delivery-pipe, into the chamber or space formed between the same and the pump-head.
The outward stroke forces the water in this pipe into the delivery-pipe while filling at the same time the interior chamber by the action of the first piston toward the suction -head of the pump, in connection with the suction exerted by the partial vacuum formed between the pistons on their outward stroke.
The alternating suction and force action of the pistons at each revolution of. the same produces an easy-going and powerful pump, of compact shape and superior effect.
Having thus described my invention, I claim as new and desire to secure by Letters Patent- 1. A combined suction and force pump, provided with two pistons, sinniltaneously rotating and reciprocating in the manner and for the purpose specified.
2. In a rotary pump, the combination of" the revolving shaft, having a diametricallyextending rod or post, with longitudinal carrier -pins, engaging socket holes of the pis HENRY DUBRE.
Witnesses T. B. MOSHER, PAUL GoEPEL.
US179689D Improvement in pumps Expired - Lifetime US179689A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2973137A (en) * 1959-01-19 1961-02-28 Garrett Corp Cam piston two-stage compressor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2973137A (en) * 1959-01-19 1961-02-28 Garrett Corp Cam piston two-stage compressor

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