US112611A - Improvement in safety-valves - Google Patents
Improvement in safety-valves Download PDFInfo
- Publication number
- US112611A US112611A US112611DA US112611A US 112611 A US112611 A US 112611A US 112611D A US112611D A US 112611DA US 112611 A US112611 A US 112611A
- Authority
- US
- United States
- Prior art keywords
- valve
- piston
- valves
- safety
- improvement
- 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 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 206010019233 Headache Diseases 0.000 description 2
- 241000193803 Therea Species 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000009877 rendering Methods 0.000 description 2
- 230000000284 resting Effects 0.000 description 2
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/18—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on either side
- F16K17/19—Equalising valves predominantly for tanks
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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
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7771—Bi-directional flow valves
- Y10T137/7772—One head and seat carried by head of another
- Y10T137/7773—Supporting valve only spring biased
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Multiple-Way Valves (AREA)
Description
` i the county of Essex and State` of New Jersey, have 1 made certain Improvementsin SafetyValves, of which the following isa specification. l
The improvementrelates `to providing, `in one Aattaehmeutlto boilers, against `the two-fold contingencontinuously rendering iron and copper boilers at any` f i ,lo `meet .and obviatefthese dangers it requires a sired pressure, which `shallbe so'construeted as to be a of water or steam, yet shallfreely open and allow a free ingress of air whenever` that pressure is removed 1 combined in smalli space, all the parts easy of access "i" `For the pressure-gauge, ais a piston in a! Cylinder,
i spring, d, the lower end of the spring resting on thel i, piston a, and the upper end receiving the pressure of the'regnlating-screw cap @,through which the stem c v projects. i
j will@ lil5 i `srt;their c. MARSH, or
JNEWARK, NEW JERSEY.
i l Letters Patent No 112,611, dated March 14,1871.
IMPRovEMEN-r IN -sAFETv-vALvEs.
l The `Sehefiule referred to h1 these Letters Patent and paxt of the same.
" I, `STEWABIJO.` MARSH;-` of the ctyfof Newark, in
cies of explosion and collapse, to which neglect, carelessness,l1or other `and unavoidable circumstances are timeliable.
valve conveniently adjustable, at pleasure, to any de# safely and pcrfectlyyclosed y under pressure of a head bythe bcilerbeconing empty. l
Itis also desirable that the two features should be for adjustment, for repairing, or cleansing.` y
" Our mannerof meeting and satisfying these requirements is shown in the accompanyingl drawing, in which the parts in'their combinings areshown in views in section.
b, having? a guide-stem, c, around which iis* a sti Inffront of the valve-case is an escape-pipe, f, the `position of which is designated by; dotted circles in- One end of the cross-pipe below is connected with the boiler, and the other With a stop-cock. Wheny the steam forces the p'iston against the spring resistcourse there is an immediate relief.
For the ingress of air, when required, there is within the lower` end ofthe piston a valve, j, the stem of which slides in the guide-nut k.
Through the guide-nut lo there are apertures l, and also through the edges of the valve j thereA are holes, that are closed by the valve-seat when the valve is pressed and held up against it. Above the valve-seat is an opening, fm., with holes therefrom into the recess n, around the piston a.
When 'the piston is down toits resting-place andV the valve therein is also down, there is a free passage for air through the escape-pipe, piston, valve, and guide-nut into the boiler; but the moment there is a head-pressure.'of water in the boiler, the valve j rises toits seat and closes all the openings, preventing escape of water or steam until the piston is forced above the esc-apepipe provided for that purpose. What I claim and desire to secure .is- The piston a, cylinder b, spring d, valve j, and
l guide-uut It, all constructed, combined, and arranged as and for thepurpose hereinabove set forth.
STEWART O. MARSH. Witnesses:
W. M. Goonrive, EDWARD OOLLVEB.
Iig. 1, andthe pipefshown in a sectional `sideview in
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US112611A true US112611A (en) | 1871-03-14 |
Family
ID=2182078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US112611D Expired - Lifetime US112611A (en) | Improvement in safety-valves |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US112611A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4068680A (en) * | 1976-07-21 | 1978-01-17 | Robertshaw Controls Company | Self-contained vent valve unit and system utilizing the same |
| US20110224223A1 (en) * | 2008-07-08 | 2011-09-15 | The Regents Of The University Of California, A California Corporation | MTOR Modulators and Uses Thereof |
-
0
- US US112611D patent/US112611A/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4068680A (en) * | 1976-07-21 | 1978-01-17 | Robertshaw Controls Company | Self-contained vent valve unit and system utilizing the same |
| US20110224223A1 (en) * | 2008-07-08 | 2011-09-15 | The Regents Of The University Of California, A California Corporation | MTOR Modulators and Uses Thereof |
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