US233492A - Stephen d - Google Patents
Stephen d Download PDFInfo
- Publication number
- US233492A US233492A US233492DA US233492A US 233492 A US233492 A US 233492A US 233492D A US233492D A US 233492DA US 233492 A US233492 A US 233492A
- Authority
- US
- United States
- Prior art keywords
- tubes
- moisture
- underground
- chamber
- drying
- 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
- 238000001035 drying Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 210000003414 Extremities Anatomy 0.000 description 2
- 241000234435 Lilium Species 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 230000000875 corresponding Effects 0.000 description 2
- 239000002274 desiccant Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
- F24F3/1411—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by absorbing or adsorbing water, e.g. using an hygroscopic desiccant
Definitions
- the object of my invention is to prevent the accumulation of and to remove. moisture from underground tubes containing telegraph-wires, and thereby insure the insulation of the wires; and my invention consists iu the combination, with a system of underground tubes, of mechanical means for maintaining a circulation of dry air and drying or condensing chambers for relieving the air of moisture.
- Figure l is a sectional elevation of my underground-telegraph line constructed in accordance with my invention
- Fig. 2 is a transverse section.
- a A are sealed tubes containing the insulated wires a.. These tubes are laid in pairs in a trench, or within an outer pipe, as shown in Fig. 2. At one end the tubes A are connected together by a tube, b, and at the other end the tubes A aijconnected to a drying or condensing chaml er, B, and a pump or airforcing apparatus, C.
- the chamber C contains chloride cfcalcium or other material having affinity for moisture.
- the pump C is fitted with an inlet-valve in its connection to the chamber B and an outlet-valve in its connection to tube A, so that by operation of the pump the air shall be drawn from one tube A through the chamber B, and discharged into the other tube A, a continual circulation being thereby kept up through the tubes.
- the air
- the pumps and drying-chambers are to be located at the extremities of the pipe system, or at several points in the line, as may be required.
- a refri geratin g-cha-m ber in place of the chamber containing chemi cals, as described, a refri geratin g-cha-m ber ma y be used for producing condensation by cold.
- drying or condensing chamber may be dispensed with and a circulation ot' air through the sealed pipes depended on for carrying olf the moisture.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Geophysics And Detection Of Objects (AREA)
Description
(Model.)
S. D. FIELD. Underground Telegraph.
Patented Oct. 19, 1880.
INETOR 7) @4 2%/ WITNES BY g ATTORNEYS.
N. PETERS, PHOTO L THOGRAFHER UNITED STATES PATENT EEICE.
STEPHEN D. FIELD, OF NEW YORK, N. Y.
UNDERGROUND TELEGRAPH.
SPECIFICATION forming part of Letters Patent No. 233,492, dated October 19, 1880.
Application filed March 13, 1880. (Model.)
To all whom it may concern:
Be it known that I, STEPHEN D. FIELD, ot' the city, county, and State of New York, have invented a new and useful Improvement in Underground-Telegraph Lilies, of which the following is a specification.
The object of my invention is to prevent the accumulation of and to remove. moisture from underground tubes containing telegraph-wires, and thereby insure the insulation of the wires; and my invention consists iu the combination, with a system of underground tubes, of mechanical means for maintaining a circulation of dry air and drying or condensing chambers for relieving the air of moisture.
In the accompanyingdrawings, forming part of this specilication, Figure l is a sectional elevation of my underground-telegraph line constructed in accordance with my invention, and Fig. 2 is a transverse section.
Similar letters of reference indicate corresponding parts.
A A are sealed tubes containing the insulated wires a.. These tubes are laid in pairs in a trench, or within an outer pipe, as shown in Fig. 2. At one end the tubes A are connected together by a tube, b, and at the other end the tubes A aijconnected to a drying or condensing chaml er, B, and a pump or airforcing apparatus, C. The chamber C contains chloride cfcalcium or other material having affinity for moisture. The pump C is fitted with an inlet-valve in its connection to the chamber B and an outlet-valve in its connection to tube A, so that by operation of the pump the air shall be drawn from one tube A through the chamber B, and discharged into the other tube A, a continual circulation being thereby kept up through the tubes. The air,
as it passes through the chamber B,is relieved of its moisture, and the dry air forced into the tubes will take up any moisture there may be in the tubes.
By these means the difficulties heretofore experienced from moisture in underground tubes containing telegraplrwires are prevented.
The pumps and drying-chambers are to be located at the extremities of the pipe system, or at several points in the line, as may be required.
In place of the chamber containing chemi cals, as described, a refri geratin g-cha-m ber ma y be used for producing condensation by cold.
In some cases the drying or condensing chamber may be dispensed with and a circulation ot' air through the sealed pipes depended on for carrying olf the moisture.
I am aware that artificially-dried air has been used to till underground-telegraph tubes, and also that reservoirs of material having ainity for moisture have been placed along' the line of pipe; but no means have been used for bringing the imprisoned air continuously in contact with the drying agent.
Having thus described my invention, I claim as new and desire to secure by Letters Patent- The sealed pipes A A, connected at one end by a tube, b, and at the other communicating respectively with a drying-chamber, B, and airpump C, said pump and drying-chamber being themselves connected, as shown and described.
STEPHEN D. FIELD.
Witnesses:
GEO. D. WALKER., O. SEDGWIOK.
Publications (1)
Publication Number | Publication Date |
---|---|
US233492A true US233492A (en) | 1880-10-19 |
Family
ID=2302859
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US233492D Expired - Lifetime US233492A (en) | Stephen d |
Country Status (1)
Country | Link |
---|---|
US (1) | US233492A (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2441571A (en) * | 1945-04-28 | 1948-05-18 | Vacuum Process Corp | Method and apparatus for the prevention of condensation |
US2453318A (en) * | 1945-12-17 | 1948-11-09 | Stanolind Oil & Gas Co | Radioactivity logging device |
US2469328A (en) * | 1944-07-20 | 1949-05-03 | Andrew Corp | Dry-air pump |
US3679810A (en) * | 1970-12-21 | 1972-07-25 | Bell Telephone Labor Inc | System for maintaining low relative humidity in telephone cables and other enclosures |
US3715565A (en) * | 1972-02-17 | 1973-02-06 | Bell Telephone Labor Inc | System for maintaining low relative humidity in closures |
US5171336A (en) * | 1991-06-17 | 1992-12-15 | Shulick Robert J | Purge air system |
US20070294913A1 (en) * | 2004-11-12 | 2007-12-27 | Vsl International Ag | Corrosion Protection System for a Construction Including a Stay Cable |
CN110226205A (en) * | 2017-01-25 | 2019-09-10 | 住友电装株式会社 | Harness |
-
0
- US US233492D patent/US233492A/en not_active Expired - Lifetime
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2469328A (en) * | 1944-07-20 | 1949-05-03 | Andrew Corp | Dry-air pump |
US2441571A (en) * | 1945-04-28 | 1948-05-18 | Vacuum Process Corp | Method and apparatus for the prevention of condensation |
US2453318A (en) * | 1945-12-17 | 1948-11-09 | Stanolind Oil & Gas Co | Radioactivity logging device |
US3679810A (en) * | 1970-12-21 | 1972-07-25 | Bell Telephone Labor Inc | System for maintaining low relative humidity in telephone cables and other enclosures |
US3715565A (en) * | 1972-02-17 | 1973-02-06 | Bell Telephone Labor Inc | System for maintaining low relative humidity in closures |
US5171336A (en) * | 1991-06-17 | 1992-12-15 | Shulick Robert J | Purge air system |
US20070294913A1 (en) * | 2004-11-12 | 2007-12-27 | Vsl International Ag | Corrosion Protection System for a Construction Including a Stay Cable |
CN110226205A (en) * | 2017-01-25 | 2019-09-10 | 住友电装株式会社 | Harness |
US20200211736A1 (en) * | 2017-01-25 | 2020-07-02 | Sumitomo Wiring Systems, Ltd. | Wire harness |
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