US432773A - Fire and water indicator for steam-boilers - Google Patents
Fire and water indicator for steam-boilers Download PDFInfo
- Publication number
- US432773A US432773A US432773DA US432773A US 432773 A US432773 A US 432773A US 432773D A US432773D A US 432773DA US 432773 A US432773 A US 432773A
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- Prior art keywords
- fire
- line
- boilers
- steam
- boiler
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title description 4
- 239000000446 fuel Substances 0.000 description 2
- 238000010422 painting Methods 0.000 description 2
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Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F7/00—Signs, name or number plates, letters, numerals, or symbols; Panels or boards
Definitions
- This invention has for its object to provide improved means for indicating the proper height of the water-line of a steam-boiler, and, if desired, the height of the fire-line. It is found in practice that the height of the water-line of a steam-boiler for effective work with economy of fuel can only be determined by a test in each case, the proper height varying. in diff rent boilers. I have found that of two tubular boilers of the same diameter andlength and connected with the same'chimney one required two and a half inches of water above the tubes, while the other required eightinches, and neither boiler worked satisfactorily with the waterline at any other height.
- My invention consists, first, in a water-line indicator comprising a holder adapted to be attached in a vertical position to a boilerhead, and an arm or indicating device which is vertically adjustable on said holder and is provided with means for positively securing it at any point to which it may be adjusted, so that when the holder is attached to .the boiler the said arm may be adjusted to the point which is found by tests to be the proper water-line for the boiler and then secured at said point.
- the invention also consists in another indicator applied to said holder at a lower point to indicate the fire-line.
- Said arms are preferabl y provided with distinguishing marks or characteristics, such as the words water-line and fire-line, or they may be differently colored or distinguished each from the other in any suitable way, as by painting the one blue and the other red.
- Figure 1 represents a front end elevation of a boiler-casing provided with my improved indicator.
- Fig. 2 represents a section on line a: at, Fig. 1.
- a represents the front plate of the casing of a tubular boiler, to which is attached by screws 12 Z) the holder 0, which supports the Water-line indicator cl and the fire-line indicator (2.
- Said holder is preferably composed of a plate, which is bent at its ends to form legs 2 2, having ears 3 3, which rest on the casing a and are secured thereto by the screws 1) b.
- the main portion of the plate is offset from the casing by the legs 2 2 and is provided with a longitudinal slot 4.
- the indicators (Z c are here shown as arrowshaped arms having projections 5 5 formed to bear on the edges of the holder 0, and se cured to the holder by screws 0; inserted in the backs of the said projections, the heads of the screws bearing against the rear side of the holder at opposite sides of the slot 4.
- the arms d e are thus held at right angles with the holder 0, and are enabled to be adjusted to any points on the holder by loosening the screws 01 and positively held at any points to which they may be adjusted by tightening said screws.
- this adjustable waterline indicator adapted to be firmly secured at any desired height on or in suitable relation to a boiler, cannot be overestimated, not only for safety, but also for economy and power.
- the extent to which the slotted body of the plate is set off from the casing to is such as to make the indicators (Z c stand out from the casing as far as the gage-tube 1) stands out, so that said indicators point directly at the gage-tube.
- the improved indicating device composed of the longitudinally-slotted plate constrneted for attachment to a boiler-casing or other fixed support in proximity to the boiler-front, and the transverse arms of different indicating character, adapted to be secured on the plate, one at the fire-line and one at the water-line of the boiler, and provided with setscrews passing through the slot in the plate, substantially as described.
Description
(No Model.)
S. SMITH.
FIRE AND WATER INDICATOR FOR STEAM BOILERS. N0. 432,7'73. Patented July 22, 1890.
INENTEJF] mmu* I III-l 5 NITED STATES PATENT OFFICE.
SIDNEY SMITH, OF CAMBRIDGE, MASSACHUSETTS.
SPECIFICATION forming part of Letters Application filed June 29, 1839.
Patent No. 432,773, dated July 22, 1890.
Serial No. 316,059. (No model.)
T0 00% whom it may concern:
Be it known that I, SIDNEY SMITH, of Cambridge, in the county of MiddleseX and State of Massachusetts, have invented certain new and useful Improvements in Fire and W'ater Line Indicators for Steam-Boilers, of which the following is a specification.
This invention has for its object to provide improved means for indicating the proper height of the water-line of a steam-boiler, and, if desired, the height of the fire-line. It is found in practice that the height of the water-line of a steam-boiler for effective work with economy of fuel can only be determined by a test in each case, the proper height varying. in diff rent boilers. I have found that of two tubular boilers of the same diameter andlength and connected with the same'chimney one required two and a half inches of water above the tubes, while the other required eightinches, and neither boiler worked satisfactorily with the waterline at any other height.
My invention consists, first, in a water-line indicator comprising a holder adapted to be attached in a vertical position to a boilerhead, and an arm or indicating device which is vertically adjustable on said holder and is provided with means for positively securing it at any point to which it may be adjusted, so that when the holder is attached to .the boiler the said arm may be adjusted to the point which is found by tests to be the proper water-line for the boiler and then secured at said point.
The invention also consists in another indicator applied to said holder at a lower point to indicate the fire-line. Said arms are preferabl y provided with distinguishing marks or characteristics, such as the words water-line and fire-line, or they may be differently colored or distinguished each from the other in any suitable way, as by painting the one blue and the other red.
In the accompanying drawings, forming a part of this specification, Figure 1 represents a front end elevation of a boiler-casing provided with my improved indicator. Fig. 2 represents a section on line a: at, Fig. 1. Fig.
3 represents a section on line y y, Fig. 2.
The same letters of reference indicate the same parts in all of the figures.
In the drawings, a represents the front plate of the casing of a tubular boiler, to which is attached by screws 12 Z) the holder 0, which supports the Water-line indicator cl and the fire-line indicator (2. Said holder is preferably composed of a plate, which is bent at its ends to form legs 2 2, having ears 3 3, which rest on the casing a and are secured thereto by the screws 1) b. The main portion of the plate is offset from the casing by the legs 2 2 and is provided with a longitudinal slot 4. The indicators (Z c are here shown as arrowshaped arms having projections 5 5 formed to bear on the edges of the holder 0, and se cured to the holder by screws 0; inserted in the backs of the said projections, the heads of the screws bearing against the rear side of the holder at opposite sides of the slot 4. The arms d e are thus held at right angles with the holder 0, and are enabled to be adjusted to any points on the holder by loosening the screws 01 and positively held at any points to which they may be adjusted by tightening said screws.
The importance of this adjustable waterline indicator, adapted to be firmly secured at any desired height on or in suitable relation to a boiler, cannot be overestimated, not only for safety, but also for economy and power. The extent to which the slotted body of the plate is set off from the casing to is such as to make the indicators (Z c stand out from the casing as far as the gage-tube 1) stands out, so that said indicators point directly at the gage-tube.
I claim The improved indicating device composed of the longitudinally-slotted plate constrneted for attachment to a boiler-casing or other fixed support in proximity to the boiler-front, and the transverse arms of different indicating character, adapted to be secured on the plate, one at the fire-line and one at the water-line of the boiler, and provided with setscrews passing through the slot in the plate, substantially as described.
I11 testimony whereof I have signed my name to this specification, in the presence of two subscribing witnesses, this 24th day of June, A. D. 1889.
SIDNEY SMITH.
\Vitnesses:
O. F. BROWN, A. D. HARRISON.
Publications (1)
Publication Number | Publication Date |
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US432773A true US432773A (en) | 1890-07-22 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US432773D Expired - Lifetime US432773A (en) | Fire and water indicator for steam-boilers |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2805923A (en) * | 1953-12-07 | 1957-09-10 | Johns Glover | Apparatus for chemically treating water |
WO1993022968A1 (en) * | 1992-05-12 | 1993-11-25 | Ellis, David | Oxygen flow meter indicator |
-
0
- US US432773D patent/US432773A/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2805923A (en) * | 1953-12-07 | 1957-09-10 | Johns Glover | Apparatus for chemically treating water |
WO1993022968A1 (en) * | 1992-05-12 | 1993-11-25 | Ellis, David | Oxygen flow meter indicator |
US5293866A (en) * | 1992-05-12 | 1994-03-15 | David Ellis | Oxygen flow meter indicator |
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