US142536A - Improvement in combined high and low water indicators - Google Patents
Improvement in combined high and low water indicators Download PDFInfo
- Publication number
- US142536A US142536A US142536DA US142536A US 142536 A US142536 A US 142536A US 142536D A US142536D A US 142536DA US 142536 A US142536 A US 142536A
- Authority
- US
- United States
- Prior art keywords
- lever
- improvement
- low water
- combined high
- 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 title description 18
- 239000000446 fuel Substances 0.000 description 2
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/0007—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm for discrete indicating and measuring
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/2931—Diverse fluid containing pressure systems
- Y10T137/3115—Gas pressure storage over or displacement of liquid
- Y10T137/3143—With liquid level responsive gas vent or whistle
- Y10T137/3146—Combined high and low level responsive
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/7287—Liquid level responsive or maintaining systems
- Y10T137/7358—By float controlled valve
- Y10T137/7365—Single float controls plural valves
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/7287—Liquid level responsive or maintaining systems
- Y10T137/7358—By float controlled valve
- Y10T137/7407—With counter-balance
Definitions
- My invention relates toimprovements in combined high and low water indicators for steam-boilers; and consists as follows:
- Figure l is a side view of my indicator as applied to the inside of steamboilers 5 Fig. 2, a longitudinalsection of one ofthe alar1n-whistle valves, 85e., section taken at right angles to Fig. l; Fig. 3, a plan of the adjustable yoke of the floats.
- A represents the top plate of a steam-boiler, to the under side of which is attached a lever, B, through its fulcrum b.
- This lever is of the form represented, curved downward, or it may be straightat one end, and provided at its short arm with an adjustable balance-weight, C.
- Hinged to the opposite or curved end of the lever B is a slotted yoke, D, Fig. 3.
- This yoke receives the attaching-screw ends of the iioats F, which are secured to the yoke by clamping nuts f.
- c is a stirrup or stop, through which the lever B passes, said stop being of a suflicient length in its inside to a1- low of a slight play of the lever up or down.
- valves H L On each side ofthe fulcrum b are placed valves H L which connect through slotted valve-rods h Z, with the alarm-whistles high' and low.
- the indicator is supposed to be in its normal or proper position, as repf resented in the drawings-that is, with the water in the boiler up to the water-line-the lever horizontal or balanced, the valves LZ by the action of their springs closed, the handvalves open. Now, if the water rises above the water-line the floats are raised with it, pressing up the lever, and if the water is allowed to continue flowing in to the boiler causing the lever to rise still higher until the under side of its short arm impinges part of the opening the at the lower valve-rod h, pressing it down,
- the stop a is provided to prevent the lever being raised or lowered too far so as to damage the valve. If, on the other hand, the water sinks down below a certain point below the water-line, the iioats falling with it, the lever is brought to bear down on the valve-rod Z, opening the valve, and sounding the alarm low.
- the hand-valves are to shut off the noise while the engineer corrects the diculty.
- the slotted yokes m are adjustable thereon by means of the nut m, to shorten or lengthen the valve-rod, as oc casion may require.
- valve-rods h l m' In combination with the lever B the valve-rods h l m', provided with adjustable slotted or stirrup ends m, substantially as and for the purposes ⁇ set forth and described.
- the slotted and adjustable hinged yoke D In combination with the lever B and iioats F, the slotted and adjustable hinged yoke D, substantially as set forth and shown.
- the iioats F provided with screw ends by which they may be suitably adjusted-in combination with the slotted hinged yoke D and lever B, substantially as and for the purposes described.
Description
I against the yoke m UNITED STATES PnTENT Urraca.
GEORGE WALTON, OF CINCINNATI, OHIO, ASSIGNOR TO POST & CO., OF
' SAME PLACE.
IMPROVENIENTIN COMBINED HIGH AND LO'WWATER INDICATORS.
Specification forming part of Letters Patent No. 142,536,
dated September 2', 1873 application filed Jim@ 26, 1873.
To all 'whom it may concern:
Be it known that I, GEORGE WALToN, of Cincinnati, in the county of Hamilton and State of Ohio, have invented certain new and useful Improvements in Combined High and Low Water Indicators; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it pertains to make and use it, reference being had to the accompanying drawings, which form part of this speciiication.
My invention relates toimprovements in combined high and low water indicators for steam-boilers; and consists as follows:
`In the drawings, Figure l is a side view of my indicator as applied to the inside of steamboilers 5 Fig. 2, a longitudinalsection of one ofthe alar1n-whistle valves, 85e., section taken at right angles to Fig. l; Fig. 3, a plan of the adjustable yoke of the floats.
A represents the top plate of a steam-boiler, to the under side of which is attached a lever, B, through its fulcrum b. This lever is of the form represented, curved downward, or it may be straightat one end, and provided at its short arm with an adjustable balance-weight, C. Hinged to the opposite or curved end of the lever B is a slotted yoke, D, Fig. 3. This yoke receives the attaching-screw ends of the iioats F, which are secured to the yoke by clamping nuts f. c is a stirrup or stop, through which the lever B passes, said stop being of a suflicient length in its inside to a1- low of a slight play of the lever up or down.
On each side ofthe fulcrum b are placed valves H L which connect through slotted valve-rods h Z, with the alarm-whistles high' and low.
The operation and advantages of the machine are as follows: The indicator is supposed to be in its normal or proper position, as repf resented in the drawings-that is, with the water in the boiler up to the water-line-the lever horizontal or balanced, the valves LZ by the action of their springs closed, the handvalves open. Now, if the water rises above the water-line the floats are raised with it, pressing up the lever, and if the water is allowed to continue flowing in to the boiler causing the lever to rise still higher until the under side of its short arm impinges part of the opening the at the lower valve-rod h, pressing it down,
valve, and allowing steamvto escape and sound the alarm high. The stop a is provided to prevent the lever being raised or lowered too far so as to damage the valve. If, on the other hand, the water sinks down below a certain point below the water-line, the iioats falling with it, the lever is brought to bear down on the valve-rod Z, opening the valve, and sounding the alarm low. The hand-valves are to shut off the noise while the engineer corrects the diculty.
By this indicator the engineer is duly apprised if the waterin the boiler rises or falls beyond a certain adjustable limit, and may prevent accident, while securing a great saving and economy in the running expenses. Water carried above surface acts as a condenser when a large loss of both power and fuel is the result. Of the loss and danger from too little water it is needless to speak.
The slotted yokes m are adjustable thereon by means of the nut m, to shorten or lengthen the valve-rod, as oc casion may require.
Having thus described my invention, what I claim as new, and desire to secure by Letters Patent, is-
l. In combination with the lever B the valve-rods h l m', provided with adjustable slotted or stirrup ends m, substantially as and for the purposes `set forth and described.
2. In combination with the lever B and iioats F, the slotted and adjustable hinged yoke D, substantially as set forth and shown.
3. The iioats F provided with screw ends by which they may be suitably adjusted-in combination with the slotted hinged yoke D and lever B, substantially as and for the purposes described. g
4. The lever B, fulcrum b, slotted alarmvalve rodslzl l, stop piece a, adjustable weight C, hinged and slotted yoke D, and adjustable iioats F, all arranged, constructed, and combined substantially as and for the purposes set forth. l Y
In testimony that I claim the foregoing I have hereunto set my hand this 24th day of June, 1873.
GEORGE WALTON. Witnesses:
A. DRAHMANN, E. P. BRADsTREET.
the line of the heatingA of the valve-stems h l
Publications (1)
Publication Number | Publication Date |
---|---|
US142536A true US142536A (en) | 1873-09-02 |
Family
ID=2211949
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US142536D Expired - Lifetime US142536A (en) | Improvement in combined high and low water indicators |
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US (1) | US142536A (en) |
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- US US142536D patent/US142536A/en not_active Expired - Lifetime
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