US246084A - Ejector - Google Patents
Ejector Download PDFInfo
- Publication number
- US246084A US246084A US246084DA US246084A US 246084 A US246084 A US 246084A US 246084D A US246084D A US 246084DA US 246084 A US246084 A US 246084A
- Authority
- US
- United States
- Prior art keywords
- head
- ejector
- flange
- openings
- water
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 238000010276 construction Methods 0.000 description 4
- 230000001808 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 241000499489 Castor canadensis Species 0.000 description 2
- 235000011779 Menyanthes trifoliata Nutrition 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006011 modification reaction 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
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/14—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid
- F04F5/16—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing elastic fluids
- F04F5/20—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing elastic fluids for evacuating
- F04F5/22—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing elastic fluids for evacuating of multi-stage type
Definitions
- Mimssea isxwmwm 4.m V M Why N. PETERS. FhulbLilhcgmpher. Washington. 0. c.
- FIG. 1 is a longitudinal vertical section of my improved pump.
- Fig. 2 is a perspective View of the inner head, and
- Fig. 3 is a modified form of my improvement.
- the outer head, a is of the usual or any desired form, and is provided with a steam-nozzle, I), and inductionopening 0.
- the inner head, (1, is a separate piece, and is formed with a collar or flange, 6, designed to fit into and close the outer end, f, of the head a.
- the operation of the ejector is as follows:
- the steam-jet drives out the air from the inner head first, and the water flowing in is caught by the jet and propelled with great velocity through the narrow symmetrical inner head. This draws the air from the outer head through the holes 6, and after it the water, establishing the double stream, and securing the known advantages of the doubleactin g ejector.
- Fig. 3 shows a modification in which the outlet-openings c of the outer head, a enter the outer extension, 0 of the head 61, the inner end of said extension being made flaring where itmerges into the flange e.
- the currents from both heads are brought together in'the tube 6 which is made to operate as a combining-tube.
- double head herein used I mean an ejector having an outer shell and an independent inner shell composed of the combining and discharge tube, the inner shell head closing the end of the outer head, an out- Ward extension of the inner head or combinin g-tube beyond the outer head, and discharge- 15 openings opening from the outerhead through the flange into the said combining-tube, substantially as and for the purposes described.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Jet Pumps And Other Pumps (AREA)
Description
(ModeL) H-. COLL.
v EJEGTOR. No. 246,084. Patented Aug. 23.1881.
Mimssea isxwmwm 4.m V M Why N. PETERS. FhulbLilhcgmpher. Washington. 0. c.
UNITED STATES Par p xgr FFICEQ HUGH COLL, OF BLACK HAWK, ASSIGNOR TO J. B. 817 WM. J. SHERRIFF,
OF PITTSBURG, PENNSYLVANIA.
EJ ECTOR.
SPECIFICATION forming part of Letters Patent No. 246,084, dated August 23, 1881.
Application filed February .11, 1881. (ModeL) To all whom it may concern:
Be it known that I, HUGH COLL, of Black Hawk, in the county of Beaver and State of Pennsylvania, have invented a new and useful Improvement inEjectors and I do heretages of this construction are that it enables me to make and finish the heads and various parts of a doubleacting ejector separately, thereby securing more perfect form, better operation facility in fitting, and cheapening the manufacture.
To enable others skilled in the manufacture to make and use my invention, I will now describe its construction and manner of use by reference to the accompanying drawings, in which- Figure 1 is a longitudinal vertical section of my improved pump. Fig. 2 is a perspective View of the inner head, and Fig. 3 is a modified form of my improvement.
Like letters of reference indicate like parts in each.
The outer head, a, is of the usual or any desired form, and is provided with a steam-nozzle, I), and inductionopening 0. The inner head, (1, is a separate piece, and is formed with a collar or flange, 6, designed to fit into and close the outer end, f, of the head a.
In order to make the pump double-actingthat is, to take its water through both heads- Iprovide suitable openings or water-passages, 0', through the flange c, which openings may be round or ofany other desired shape. If desired,the periphery of the flange may be screwthreaded, and by being screwed into the coupling f be attached to and support the head cl in the head a, or it maybe plain, and be merely dropped into the coupling f, and held there by screwing in the discharge-pipe. (Shown in dotted lines.) The outer'jextension, c of the head at may be omitted, if desired, as it is merely a guide for the innerjet. It acts also to increase the velocityof the outer current by reducing the width of the passage.
The operation of the ejector is as follows: The steam-jet drives out the air from the inner head first, and the water flowing in is caught by the jet and propelled with great velocity through the narrow symmetrical inner head. This draws the air from the outer head through the holes 6, and after it the water, establishing the double stream, and securing the known advantages of the doubleactin g ejector.
Fig. 3 shows a modification in which the outlet-openings c of the outer head, a enter the outer extension, 0 of the head 61, the inner end of said extension being made flaring where itmerges into the flange e. In this case the currents from both heads are brought together in'the tube 6 which is made to operate as a combining-tube.
In making the double-acting ejector in this form I obtain the advantage of finishing the heads separately, as thereby I am enabled to make their curves more perfectly adapted to securing the best operation of the ejector. am also enabled to form the openings which supply the water from the outer head to correspond exactly to the power of the innerjet, and thus regulate the operation of the pump. I also save in the cost of fitting, as the labor is much less upon this form than upon previous forms of double acting ejectors. The flange closes the end of the outer head,except as to the openings 6. The effect of this is to preserve the steam-jetfrom total condensation until it passes the limit of the head-that is to say, it does not meet the second supply of water-and is consequently still alive until it passes entirely beyond the head into the discharge-pipe, andhence has still a reserve power to apply to obtaining a greater velocity and a oonseqeent increase of capacity. This tends to prevent all backlash or reaction in the outer head.
By the term double head herein used I mean an ejector having an outer shell and an independent inner shell composed of the combining and discharge tube, the inner shell head closing the end of the outer head, an out- Ward extension of the inner head or combinin g-tube beyond the outer head, and discharge- 15 openings opening from the outerhead through the flange into the said combining-tube, substantially as and for the purposes described.
In testimony whereof I have hereunto set my hand.
HUGH COLL. Witnesses:
T. B. KERR, D. E. DAVIS.
Publications (1)
Publication Number | Publication Date |
---|---|
US246084A true US246084A (en) | 1881-08-23 |
Family
ID=2315412
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US246084D Expired - Lifetime US246084A (en) | Ejector |
Country Status (1)
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US (1) | US246084A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3346702A1 (en) * | 1983-12-23 | 1985-07-04 | Hydromak Lehnen GmbH & Co KG, 4100 Duisburg | Apparatus for applying and fastening binding material, for example wires, around articles |
US6138456A (en) * | 1999-06-07 | 2000-10-31 | The George Washington University | Pressure exchanging ejector and methods of use |
-
0
- US US246084D patent/US246084A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3346702A1 (en) * | 1983-12-23 | 1985-07-04 | Hydromak Lehnen GmbH & Co KG, 4100 Duisburg | Apparatus for applying and fastening binding material, for example wires, around articles |
US6138456A (en) * | 1999-06-07 | 2000-10-31 | The George Washington University | Pressure exchanging ejector and methods of use |
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