US173154A - Improve me nt in air-pumps - Google Patents
Improve me nt in air-pumps Download PDFInfo
- Publication number
- US173154A US173154A US173154DA US173154A US 173154 A US173154 A US 173154A US 173154D A US173154D A US 173154DA US 173154 A US173154 A US 173154A
- Authority
- US
- United States
- Prior art keywords
- air
- pumps
- cylinder
- piston
- improve
- 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
Links
- 239000007788 liquid Substances 0.000 description 4
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 235000011187 glycerol Nutrition 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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
- 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
Definitions
- This invention relates to certain improve ments in air-pumps; and consists of an upright cylinder having an annular space at the outer edge of its lower half, containing glycerine or other liquid, to serve as packing for the bell-shaped piston-head, the sides of which fit into the annular space. It being immersed in the liquid prevents'any communication bevided with suitable valves, by which air is allowed to pass inward when the motion of the piston is in one direction, and outward when the motion is in the opposite direction.
- valves opening outward are connected with pipes which are connected with a pipe that is common to both, so that when a reciprocating motion is imparted to the piston a constant and steady flow of air will be maintained.
- Figure 1 is a top view of the cylinder, showing the stuflEing-box c, inletvalve a, and the outlet-pipe 0.
- Fig.2 shows a vertical section of the cylinder, taken in the line of its center, A being the cylinder, B the piston, and O the annular space to hold the liquid packing.
- Fig. 3 is a sectional view of the inlet-valve.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details Of Reciprocating Pumps (AREA)
Description
D.'E. BANGS.
, AIR-PUMP, No.173,154. v relented Feb .8,18 76.
NJETERS. PIIDTO-UTHDGRAPNEFL WASHINGTON. D. C. v
NITED STATES:
PATENT OFFICE x p DAVID E. BANGS, OF MEDFORD, MASSACHUSETTS.
IMPROVEMENT IN AIR-PUMPS.
' Specification forming part of Letters Patent No. 173,154, dated February 8, 1876; application filed December 15, 1875.
To all whom it may concern:
Be it known that I, DAVID E. BANGS, of th town of Medford, county of Middlesex and State of Massachusetts, have invented certain Improveinen ts in Air-Pumps, of which the following is a specification:
This invention relates to certain improve ments in air-pumps; and consists of an upright cylinder having an annular space at the outer edge of its lower half, containing glycerine or other liquid, to serve as packing for the bell-shaped piston-head, the sides of which fit into the annular space. It being immersed in the liquid prevents'any communication bevided with suitable valves, by which air is allowed to pass inward when the motion of the piston is in one direction, and outward when the motion is in the opposite direction.
The valves opening outward are connected with pipes which are connected with a pipe that is common to both, so that when a reciprocating motion is imparted to the piston a constant and steady flow of air will be maintained. The advantages of this arrangement are, that a constant flow of air can be maintained by,
the use of only one cylinder, and that, owing to the small quantity of liquid employed, the liability of vaporarising therefrom to be carried off with the air is very much lessened,
and thereby delivering the air in a pure and dry state.
In the drawing, Figure 1 is a top view of the cylinder, showing the stuflEing-box c, inletvalve a, and the outlet-pipe 0. Fig.2 shows a vertical section of the cylinder, taken in the line of its center, A being the cylinder, B the piston, and O the annular space to hold the liquid packing. Fig. 3 is a sectional view of the inlet-valve.
By reference to the drawing, the operation of my invention will be readLy understood. Motion being imparted to the piston in a downward direction, the air in the lower part of the cylinder will be forced out through the pipe 6, the valve b opening outward and preventing its return. At the same time the inlet-valve a opens by the pressure of the atmosphere, and fills the upper .part of the cylinder with air, to be in turn forced through the pipe c on the upward movement of the piston,-the valve a operating the same as a on the downward movement.
I am aware that other devices have been used with which a pressure of air is produced by the weight of an=inverted bell resting in water, the same as the gasometer in common use; but
What I claim as new, and desire to secure by Letters Patent, is
- The combination of the covered cylinder A with piston B, with rod working through stuffin g-box c, and operating to produce a constant current of air, substantially as described.
DAVID E. BANGS.
Witnesses:
W. S. HILL, W. T. WYMAN.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US173154A true US173154A (en) | 1876-02-08 |
Family
ID=2242561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US173154D Expired - Lifetime US173154A (en) | Improve me nt in air-pumps |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US173154A (en) |
-
0
- US US173154D patent/US173154A/en not_active Expired - Lifetime
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