US135198A - Improvement in steam vacuum-pumps - Google Patents
Improvement in steam vacuum-pumps Download PDFInfo
- Publication number
- US135198A US135198A US135198DA US135198A US 135198 A US135198 A US 135198A US 135198D A US135198D A US 135198DA US 135198 A US135198 A US 135198A
- Authority
- US
- United States
- Prior art keywords
- vessel
- steam
- vacuum
- water
- pumps
- 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.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 28
- 239000000203 mixture Substances 0.000 description 6
- 238000005192 partition Methods 0.000 description 6
- 230000000630 rising Effects 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 240000002027 Ficus elastica Species 0.000 description 2
- 241000190070 Sarracenia purpurea Species 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 230000000875 corresponding Effects 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920001195 polyisoprene Polymers 0.000 description 2
- 238000004326 stimulated echo acquisition mode for imaging Methods 0.000 description 2
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F9/00—Diffusion pumps
Definitions
- This invention consists in the combination of a vacuum-vessel having an enlarged lower portion, a discharge-box which constitutes its bottom, a central stem that forms the steaminlet, and also a condensing device, whereby on the lling of the aforesaid vessel and admission thereto of steam it rises to permit the water to escape, and thereby itself constitutes the discharge-valve of the pump; also, whereby any momentum which the incoming water may acquire is not checked, but is enabled to escape by raising the vessel.
- Figure l is a central vertical section of a pump constructed according to my invention.
- Fig. 2 is a horizontal section of the same.
- A is the vacuum-vessel of the pump. Unlike those described in my previous applications for Letters Patent, it is formed without a bottom. Its lower portion is of considerably larger area than the main portion, and has an outwardly-rounded bottom edge. Its
- the stem B just alluded to, consists of a pipe furnished with feet, which are bolted to the bottom of a discharge-box, D. It is closed at the bottom, and is divided near the top ot' the vessel A by a transverse partition, b, into two portions, the upper of which communicates with the steam-valve C, and the lower of which forms a condensing device.
- this pump is as follows: A vacuum is irst formed in the vessel by the condensation of steam or other means, and water is forced up into it by atmospheric pressure. In filling the vessel, should the water acquire a momentum the vessel will be lifted up to permit the water to escape till the momentum be entirely exhausted. On the filling of the vessel, the steam-valve C is shifted to admit steam to it, whereby the vacuum is destroyed and the water discharged, the vessel, ofcourse, rising to permit its escape.
- MICHAEL RYAN FRED. HAYNEs.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
Description
W. BURDUN.
YSteam Vacuum-Pumps Patented Jan. 28, 18 73.
UNITED STATES PATENT OFFICE.
IMPROVEMENT IN STEAM VACUUM-PUMPS.
Specification forming part of Letters Patent No. 135,198, dated January 28, 1873.
To all whom it may concern:
Be it known that I, WILLIAM BURDoN, of Brooklyn, in the county of Kings and State of New York, have invented an Improvement in Steam Vacuum-Pumps, of which the following is a specification:
This invention consists in the combination of a vacuum-vessel having an enlarged lower portion, a discharge-box which constitutes its bottom, a central stem that forms the steaminlet, and also a condensing device, whereby on the lling of the aforesaid vessel and admission thereto of steam it rises to permit the water to escape, and thereby itself constitutes the discharge-valve of the pump; also, whereby any momentum which the incoming water may acquire is not checked, but is enabled to escape by raising the vessel.
In the accompanying` drawing, Figure l is a central vertical section of a pump constructed according to my invention; and Fig. 2 is a horizontal section of the same.
Similar letters of reference indicate corresponding parts.
A is the vacuum-vessel of the pump. Unlike those described in my previous applications for Letters Patent, it is formed without a bottom. Its lower portion is of considerably larger area than the main portion, and has an outwardly-rounded bottom edge. Its
upper portion is contracted to fit a pipe or stem, B, on which the vessel slides up and down. A cup, a., on the top of the vessel filled with water forms a packing to keep the vessel air-tight. The stem B, just alluded to, consists of a pipe furnished with feet, which are bolted to the bottom of a discharge-box, D. It is closed at the bottom, and is divided near the top ot' the vessel A by a transverse partition, b, into two portions, the upper of which communicates with the steam-valve C, and the lower of which forms a condensing device. Holes or perforations just above the partition permit the induction of steam to the vessel, and larger holes below said partition permit the ingress of water into the condensing device at each filling of the vessel. Perforations near the bottom of the condensing device permit the escape of the water in a spray or shower, as soon as the water being dischargedfrom the vessel recedes below them. The bottom of the discharge-boXD constitutes also the bottom of the vacuum-vessel, and where the latter comes in contact with it the said bottom is faced with India rubber or other packing material. E is a condensing-pipe which leads from the discharge-box to the upper part of the vacuum-vessel.
The operation of this pump is as follows: A vacuum is irst formed in the vessel by the condensation of steam or other means, and water is forced up into it by atmospheric pressure. In filling the vessel, should the water acquire a momentum the vessel will be lifted up to permit the water to escape till the momentum be entirely exhausted. On the filling of the vessel, the steam-valve C is shifted to admit steam to it, whereby the vacuum is destroyed and the water discharged, the vessel, ofcourse, rising to permit its escape.
I omitted to mention that when the vessel filled the condensing device forming part'oivthe stem B is also filled.
As soon as the water recedes below the lower series of perforations in said device the water therein sprays out and condenses the surrounding steam. lVhen the steam enters the enlarged lower portion of the vessel it is, of course, suddenly expanded, and by comingl in contact with a larger area of water is somewhat condensed, and consequently its pressure is reduced. On account of this the condensing-pipe begins to shower forth water, and thereby a vacuum is formed, the supply of steam having, of course, been shut off previ` ously. On the formation of the vacuum the vessel shuts down and fills again. When full, steam is again admitted, and thus the operation continues.
What I claim as my invention is l. The combination of the rising and falling vacuum-vessel A, having an enlarged lower portion, the discharge-box D, constituting the bottom thereof, and the central guide-stem B, forming both a steam-inlet and a condensing device, the whole operating substantially as and for the purpose set forth.
2. The combination, with the vessel A and stem B, of a water-cup, c, essentially as and for the purpose specified.
WM. BURDON. Witnesses:
MICHAEL RYAN, FRED. HAYNEs.
Publications (1)
Publication Number | Publication Date |
---|---|
US135198A true US135198A (en) | 1873-01-28 |
Family
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Application Number | Title | Priority Date | Filing Date |
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US135198D Expired - Lifetime US135198A (en) | Improvement in steam vacuum-pumps |
Country Status (1)
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US (1) | US135198A (en) |
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- US US135198D patent/US135198A/en not_active Expired - Lifetime
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