US477381A - Air-compressor - Google Patents

Air-compressor Download PDF

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Publication number
US477381A
US477381A US477381DA US477381A US 477381 A US477381 A US 477381A US 477381D A US477381D A US 477381DA US 477381 A US477381 A US 477381A
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Prior art keywords
air
valve
pipe
water
compressor
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    • 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
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/0005—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00 adaptations of pistons
    • F04B39/0011—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00 adaptations of pistons liquid pistons

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  • My present invention relates to that class of automatic air-compressors which are designed to be operated by the pressure of water from the ordinary sup ply-pipes, the object being to produce a compressor of improved construction and operation, and which shall by lreason of such improvements be applicable for many purposes-as, for instance, to force or compress air into barrels of beer or the like and to expel the liquor therefrom to the taps, to be employed in connection lwit-h flushing apparatus for water-closets, for ventilation, and many other uses where compressed air is or may be utilized.
  • my invention may be said to consist generally in a vessel in which the water from the main rises to compress the air, the pressure of the air being employed to check the inow of the Water, suitable mechanism to permit the discharge of said compressed air from the vessel, a iioat operating to discharge the contained water, whereby a partial vacuum is formed and an iniiow of air permitted, and in certain other details of construction and operation, all of which will be .fully and clearly set forth in the following description and pointed out in the claims.
  • Figure l represents in vertical sectional view my improved air-compressor with the several parts thereof in their normal positions;
  • Fig. 2 a vertical sectional view taken in a line at right angles to the line of section of Fig. 1.
  • Fig. 3 represents in vertical sectional view my improved air-compressor with the several parts thereof in their normal positions;
  • Fig. 2 a vertical sectional view taken in a line at right angles to the line of section of Fig. 1.
  • Fig. 3 represents in vertical sectional view my improved air-compressor with the several parts thereof in their normal positions;
  • Fig. 2 a vertical sectional view taken in a line at right angles to the line of section of Fig. 1.
  • Fig. 3 represents in vertical sectional view my improved air-compressor with the several parts thereof in their normal positions;
  • Fig. 2 a vertical sectional view taken in a line at right angles to the line of section of Fig. 1.
  • Fig. 3 represents in vertical sectional view my improved air-compressor with the
  • FIG. 4 represents a diagrammatic view of the apparatus connected with a receiver for the com pressed air.
  • the reference-letter A denotes the outer casing, which'is preferably formed of cast metal and rectangular in shape, and is provided Withsuitable lugs a a, riveted to the sides thereof for connection with a wall or other upright.
  • the base b which forms a part of at CZ and is connected with the plug c by means of the coupling CZ', which extends to the valveseat.
  • the upper reduced end of the plug eX- tends a short distance above the base and vserves as a means for connection therewith of a cap e, formed with a series'of openings e to permit of the escape of the water from the supply-pipe.
  • the valve f which is normally opened,is conically shaped and has a stem f, which passes through an opening in the said cap.
  • the valve is steadied by means of a sleeve f2, which nts the opening in the plug, and is provided with longitudinal grooves f 3, by which the water is allowed to pass to the interior when the valve is opened.
  • the valve is operated by the action of the iioat g, which is loosely mounted on a rod h, having connection at its lower end with the valve-stem, as will be presently described.
  • the upper end of this rod enters a recess i', formed in a screwplug t', which is inserted in the head or top of the casing.
  • h is a stop secured to the rod hand which engages with the float when the water has reached a certain level.
  • the lower end of the rod is screw-threaded for connection with the leaf h2, which is held between the leaves j', formed on the outer end of a lever j, to which is joinedl the upper end of the valvestem.
  • This lever is pivoted centrally in a bracket 7c, bolted tothe base b, and its other end 'is passed through a slotin the valve-guide Z', extending downward from the stop-valve Z.
  • This valve-guide moves in a recess m', formed in a screw-plug m, inserted in the base.
  • the Siphon is supported in its vertical position by means of a stay n', bolted to the side of the casing, and its bend extends upward to a point a little below the normal position of the stop h', and the lower end is secured in a screw-threaded boss b3 in the base.
  • the discharge-pipe o is secured in a screw-threaded boss b4 and registers with the Siphon, as shown.
  • the pipe p is the air-pipe, and q a continuation thereof. These pipes are secured in screwthreaded bosses b b in the base in a manner similar to that employed in connecting the ⁇ siphon and discharge-pipe.
  • the pipe p has a short section p', which is supported by a stay p2, bolted to the head ofthe casing.
  • r is a check-valve formed in the section p'
  • valve consists of a seatr and a float-valve r2, the stem or guide fra of which works in an opening in the partition T4, a nut T5 limiting the downward movement thereof.
  • the Valve is operated and closed when by reason of leakage the water rises to a point above the predeterrmined level, and this construction prevents the passage of water into and through the air-pipe.
  • the cock q in the air-pipe is then opened and thecompressed air is conveyed to the desired point and utilized, as before stated.
  • the from the air being relieved the water again flows until the iioat engages the stop and operates the rod and lever. This movement closes the valve in the supply-pipe and t opens the valve of the siphon.
  • the contained water flows through the siphon until the oat in its downward passage operates the lever and shifts the valves to their normal position.
  • the outflow of the water tends to create a partial vacuum, which is Iilled by air from the airpipe, cock q being closed and q being opened,
  • the combination with a holder, of a Water-supply pipe, a vertically-movable valve for controlling same, a rod extending upward from said v alve and having the stops thereon, as described, a floatv thereon for engaging the stops, a siphon discharge-pipe, avalve for controlling the same, a pivoted lever connecting the valve and rod for simultaneously operating both valves, an. air-pipe for admitting and discharging air, and a float-valve therefor, all substantially as and for the purposes set forth.
  • the combination with a holder, of a supply-pipe therefor, a perforated cap above the supply-pipe, a valve for controlling the supply, operated by a float, a siphon discharge-pipe the return-bend of which terminates at a point near the base of the holder, a valve for said discharge-pipe, a lever pivoted to a standard above the base connections, between the discharge-valve and the iloat mechanism, whereby both valves are simultaneously operated, an air-pipe for admitting and discharging air, having its opening near the top of the holder, a seat in said opening, and a float-valve operating there- IOO

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Jet Pumps And Other Pumps (AREA)

Description

(No Model.) BvSheets--Sheet 1.
A. OBREN.
AIR COMPRESSOR.
No. 477,381. Patented: June 21, 1892.
\n e I. cf
L G C YH: Noms Farias co., mom-mno., wsymnrou, o, c4
(No Model.)
B Sheets-Sheet 2. A. OBRIEN..
AIR COMPRESSOR. 4
PatentedJune 21, 1892.
(No Model.) 3 Sheets-Sheet. 3. y A. OBRIEN.
AIR COMPRESSOR. n No. 4.7%381. Patented-June 21', 1892.
'me noms PETERS co.. now-mno., wnsnmccraw, Lv4 c.
NITED STATES PATENT OFFICE.,
ARTHUR oRiEN, OF'HELENA, MONTANA.
AIR-COMPRESSOR.
SPECIFICATION forming part of Letters Patent o. 477,381, dated June 21, 1892.
Application filed September 30, 1891.' Serial No. 407,227. (No model.)
To @ZZZ whom it may concern:
Be it known that I, ARTHUR OBRIEN, a citizen of the United States, residing at Helena, in the county of Lewis and Clarke and State of Montana, have invented certain new and useful Improvements in Air-Compressors; and I do hereby declare the following to be a full, clear, and exact description of the invention,
such as will enable others skilled inthe artv to which it appertains to'make and use the same.
My present invention relates to that class of automatic air-compressors which are designed to be operated by the pressure of water from the ordinary sup ply-pipes, the object being to produce a compressor of improved construction and operation, and which shall by lreason of such improvements be applicable for many purposes-as, for instance, to force or compress air into barrels of beer or the like and to expel the liquor therefrom to the taps, to be employed in connection lwit-h flushing apparatus for water-closets, for ventilation, and many other uses where compressed air is or may be utilized.
To these several ends my invention may be said to consist generally in a vessel in which the water from the main rises to compress the air, the pressure of the air being employed to check the inow of the Water, suitable mechanism to permit the discharge of said compressed air from the vessel, a iioat operating to discharge the contained water, whereby a partial vacuum is formed and an iniiow of air permitted, and in certain other details of construction and operation, all of which will be .fully and clearly set forth in the following description and pointed out in the claims.
Upon reference being had to the accompanying drawings, in which like letters of reference refer to like part-s throughout, Figure l represents in vertical sectional view my improved air-compressor with the several parts thereof in their normal positions; Fig. 2, a vertical sectional view taken in a line at right angles to the line of section of Fig. 1. Fig. 3
is a horizontal section of the same, and Fig.
4 represents a diagrammatic view of the apparatus connected with a receiver for the com pressed air.
The reference-letter A denotes the outer casing, which'is preferably formed of cast metal and rectangular in shape, and is provided Withsuitable lugs a a, riveted to the sides thereof for connection with a wall or other upright. The base b, which forms a part of at CZ and is connected with the plug c by means of the coupling CZ', which extends to the valveseat. Y The upper reduced end of the plug eX- tends a short distance above the base and vserves as a means for connection therewith of a cap e, formed with a series'of openings e to permit of the escape of the water from the supply-pipe. The valve f, which is normally opened,is conically shaped and has a stem f, which passes through an opening in the said cap. The valve is steadied by means of a sleeve f2, which nts the opening in the plug, and is provided with longitudinal grooves f 3, by which the water is allowed to pass to the interior when the valve is opened. The valve is operated by the action of the iioat g, which is loosely mounted on a rod h, having connection at its lower end with the valve-stem, as will be presently described. The upper end of this rod enters a recess i', formed in a screwplug t', which is inserted in the head or top of the casing.
h is a stop secured to the rod hand which engages with the float when the water has reached a certain level. The lower end of the rod is screw-threaded for connection with the leaf h2, which is held between the leaves j', formed on the outer end of a lever j, to which is joinedl the upper end of the valvestem. This lever is pivoted centrally in a bracket 7c, bolted tothe base b, and its other end 'is passed through a slotin the valve-guide Z', extending downward from the stop-valve Z. This valve-guide moves in a recess m', formed in a screw-plug m, inserted in the base.
n is the Siphon-pipe, the return-bend of which terminates at a point near the bottom of the casing and is normally closed at this point by the aforesaid stop-valve Z, which consists of a cup=shaped casting having waterpassages Z2 in the sides thereof and a rubber IOO or other suitable disk in the bottom for makpressure ing a tight joint. The Siphon is supported in its vertical position by means of a stay n', bolted to the side of the casing, and its bend extends upward to a point a little below the normal position of the stop h', and the lower end is secured in a screw-threaded boss b3 in the base. The discharge-pipe o is secured in a screw-threaded boss b4 and registers with the Siphon, as shown.
p is the air-pipe, and q a continuation thereof. These pipes are secured in screwthreaded bosses b b in the base in a manner similar to that employed in connecting the` siphon and discharge-pipe. The pipe p has a short section p', which is supported by a stay p2, bolted to the head ofthe casing.
r is a check-valve formed in the section p',
and consists of a seatr and a float-valve r2, the stem or guide fra of which works in an opening in the partition T4, a nut T5 limiting the downward movement thereof. The Valve is operated and closed when by reason of leakage the water rises to a point above the predeterrmined level, and this construction prevents the passage of water into and through the air-pipe.
The operation of my apparatus is as follows: The parts being in the position shown in the drawings, the outlet for the air is closed by means of suitable cocks, as shown at q q in Fig. 4. The water from the main enters through the supply-pipe at a pressure of, say,
thirty pounds, and continues to ilow until the pressure of the air within thc casing equals the pressure of the Water, the inflow of which is then checked. The float which is raised by the inflowing water assumes a position, when the flow. is checked, a little below the stop."
The cock q in the air-pipe is then opened and thecompressed air is conveyed to the desired point and utilized, as before stated. The from the air being relieved, the water again flows until the iioat engages the stop and operates the rod and lever. This movement closes the valve in the supply-pipe and t opens the valve of the siphon. The contained water flows through the siphon until the oat in its downward passage operates the lever and shifts the valves to their normal position. The outflow of the water tends to create a partial vacuum, which is Iilled by air from the airpipe, cock q being closed and q being opened,
as will be apparent. The air-pipe cock q is then closed and the parts are in position for the next operation. If by reason of leakage or otherwise the inflow of Water is not checked by the action of the compressed air the water will upon reaching a certain level close the air-pipe ioat-valve and prevent the water from entering said pipe, as has been already stated.
The advantages of my improved construction of compressor will be apparent. I have combined simplicity with efficiency and have produced an apparatus which can be employed with equal success in many ways. The action is perfect, and the parts being few are not likely to get out of order or become broken.
What I claim as new, and desire to secure by Letters Patent, is
l. In an air-compressor, the combination, with a holder, of a Water-supply pipe, a vertically-movable valve for controlling same, a rod extending upward from said v alve and having the stops thereon, as described, a floatv thereon for engaging the stops, a siphon discharge-pipe, avalve for controlling the same, a pivoted lever connecting the valve and rod for simultaneously operating both valves, an. air-pipe for admitting and discharging air, and a float-valve therefor, all substantially as and for the purposes set forth.
2. In an air-compressor, the combination, with a holder, of a supply-pipe therefor, a perforated cap above the supply-pipe, a valve for controlling the supply, operated by a float, a siphon discharge-pipe the return-bend of which terminates at a point near the base of the holder, a valve for said discharge-pipe, a lever pivoted to a standard above the base connections, between the discharge-valve and the iloat mechanism, whereby both valves are simultaneously operated, an air-pipe for admitting and discharging air, having its opening near the top of the holder, a seat in said opening, and a float-valve operating there- IOO
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2421237A (en) * 1945-03-02 1947-05-27 Jacobsen Mfg Co Air charger for jet pumps
US2433021A (en) * 1945-03-09 1947-12-23 Jacobsen Mfg Co Shallow well self-priming pump

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2421237A (en) * 1945-03-02 1947-05-27 Jacobsen Mfg Co Air charger for jet pumps
US2433021A (en) * 1945-03-09 1947-12-23 Jacobsen Mfg Co Shallow well self-priming pump

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