US410091A - Fourths to f - Google Patents
Fourths to f Download PDFInfo
- Publication number
- US410091A US410091A US410091DA US410091A US 410091 A US410091 A US 410091A US 410091D A US410091D A US 410091DA US 410091 A US410091 A US 410091A
- Authority
- US
- United States
- Prior art keywords
- main tube
- steam
- inflow
- tubes
- nozzle
- 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
- 210000000214 Mouth Anatomy 0.000 description 8
- 230000003137 locomotive Effects 0.000 description 4
- 230000002093 peripheral Effects 0.000 description 4
- 241000731961 Juncaceae Species 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000010276 construction 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
- F04F5/44—Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
- F04F5/48—Control
- F04F5/52—Control of evacuating pumps
Description
(No Model.) 2 Sheets-Sheet I. 0. A. GOYNE BLOWER FOR PURNAGES.
No. 410,091. Patented Aug. 27 1 889.
VIZ/102 8858 ormgy u. PETERS. Phmumo n w. wnmmm n.0,
oview of the device.
UNITED STATES PATENT OFFICE. f
CHARLES A. GOYNE, OFASHLAND, PENNSYLVANIA, ASSIGN OR OF THREE- FOURTHS TO F. H. GOYNE, ARTHUR H. GOYN E, AND THOMAS R. GOYNE,
ALL OF SAME PLACE.
BLOWER FOR FURNACES.
SPECIFICATION forming part of Letters Patent No. 410,091, dated August 27, 1889.
Application filed April 10, 1889." Serial No. 306,681- (No model.) v
To all whom it may concern.-
Be it known that I, CHARLES A. GOYNE, a citizen of the United States, and a resident of Ashland, in-the county of Schuylkill and State of Pennsylvania, have invented certain new and useful Improvements in Blowers or Draft-Increasers for Furnaces of either Stationary or Locomotive Steam-Engines; and I do hereby declare that the following is a full, clear, and exact description of the invention, I
which will enable others skilled in the art to which it appertains to make and use the same.
The invention relates to blowers or draftincreasers for furnaces of either stationary or locomotive steam-engines, the object being to increase the inflow of air by means of a current of steam from the boiler above said furnace.
The invention consists in the construction and novel combination ofparts hereinafter described, illustrated in the accompanying drawings, and pointed out in the claims hereto appended.
In the accompanying drawings, Figure 1 represents an axial section of the device,
which section passes diametrically through the outer diverging inflow-tubes. Fig. 2 represents a similar section at right angles to that shown in Fig. 1. Fig. 3 represents a front Fig. 4 represents a furnace and boiler with the device attached. I
Referring to the drawings by letter, A designates the main tube of the device, provided with the peripheral flange a, having suitable perforations, by means of which and engaging-bolts of proper dimensions the device is secured to the front of a' furnace X, with the main tube projecting through an opening in the said front as below the grate. In practice the main tube will project into the ash-box. The inner end a of the main tube A stands below the grate-bars, and is flared to facilitate the escape of the inflowing air and cause the latter to spread out or diverge under the grate-bars, and thereby equalize the draft below all portions of the grate. Outside of the peripheral flange a are the similar diverging inflow-tubes B B-two or more in numbereach of whichhas a flared mouth I) to permit the air to enter more readily therein.
.0 is an outwardly-projecting boss situated at the meeting point or junction of the inflowtubes B, and provided with acentral threaded bore 0 to engage the threaded portion at of the steam-injector nozzle D, the outer end of which is connected by a pipe 1 flexible or otherwise, with the steam-dome of the boiler Y.
E is a regulating-valve in the outer portion of said nozzle, which valve can be more or less opened by a lever or hand-wheel e. The point- F of the steam-nozzle within the main tube is of a conical frustum shape, and its bore is contracted at f, whence the said bore widens outwardly, as at f, to the end of the nozzle, in order to spread the discharge of steam therefrom into the main tube.
In practice the united areas of the crosssections of the inflow-tubes B are about equal to the area of the cross-section of the main tube.
In operation, when the steam is driven from the boiler through the injector-nozzle D the jet passes into the main tube A and causes partial vacuums in each of the inflow-tubes B, into which the outside air rushes and passes through the main tube to a point below the grate, whence itrises through the furnace and promotes combustion, the action being similar to that of a water-injector. By widening the outer portion of thebore of the nozzleD at f, as described, the steam-jet is widened, and thereby is caused to act with equal force upon all the inflow-tubes B, so that the draft is equalized and comes with equal force from all points. This is apparent from the direction of the arrows in Fig. 2.
Having thus described my invention, I claim- 1. The herein-described draft-increasing device, consisting of the main tube having the inner flaring mouth, the outer curved diverging inlettubcs having flaring months, the opening between said inflow-tubes, and the steam-injector nozzle fitting in said opening provided with a regulating-valve and having its inner end contracted and then widened or flared, substantially as and for the purpose described.
2. The herein-described draft-increasing device, consisting of the main tube having the inner flaring mouth and annular flange, the curved inflow-tubes having flaring mouths, the threaded boss in the main tube between said inflow-tubes, the steam-injector having its inner end engaging said boss and having the point of its nozzle conical and the bore thereof contracted and then flaring out-
Publications (1)
Publication Number | Publication Date |
---|---|
US410091A true US410091A (en) | 1889-08-27 |
Family
ID=2479025
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US410091D Expired - Lifetime US410091A (en) | Fourths to f |
Country Status (1)
Country | Link |
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US (1) | US410091A (en) |
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0
- US US410091D patent/US410091A/en not_active Expired - Lifetime
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