US1878159A - Gas or vapor electric device and method of controlling the same - Google Patents

Gas or vapor electric device and method of controlling the same Download PDF

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Publication number
US1878159A
US1878159A US332130A US33213029A US1878159A US 1878159 A US1878159 A US 1878159A US 332130 A US332130 A US 332130A US 33213029 A US33213029 A US 33213029A US 1878159 A US1878159 A US 1878159A
Authority
US
United States
Prior art keywords
mercury
vapor
sleeve
heat
controlling
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
Application number
US332130A
Other languages
English (en)
Inventor
Roy D Mailey
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Vapor Lamp Co
Original Assignee
General Electric Vapor Lamp Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by General Electric Vapor Lamp Co filed Critical General Electric Vapor Lamp Co
Priority to US332130A priority Critical patent/US1878159A/en
Priority to FR37338D priority patent/FR37338E/fr
Priority to GB1188/30A priority patent/GB347127A/en
Priority to FR38152D priority patent/FR38152E/fr
Priority to FR38862D priority patent/FR38862E/fr
Priority to FR40076D priority patent/FR40076E/fr
Priority to FR40301D priority patent/FR40301E/fr
Priority to FR40462D priority patent/FR40462E/fr
Application granted granted Critical
Publication of US1878159A publication Critical patent/US1878159A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/52—Cooling arrangements; Heating arrangements; Means for circulating gas or vapour within the discharge space
    • H01J61/523—Heating or cooling particular parts of the lamp
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J13/00—Discharge tubes with liquid-pool cathodes, e.g. metal-vapour rectifying tubes
    • H01J13/02—Details
    • H01J13/04—Main electrodes; Auxiliary anodes
    • H01J13/16—Anodes; Auxiliary anodes for maintaining the discharge
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/04—Electrodes; Screens; Shields
    • H01J61/045—Thermic screens or reflectors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0072—Disassembly or repair of discharge tubes
    • H01J2893/0088—Tubes with at least a solid principal cathode and solid anodes
    • H01J2893/009—Anode systems; Screens
    • H01J2893/0093—Anodic arms

Definitions

  • The-present invention relates to gaseous discharge devices and particularly to devlces in Which'a condensable vapor is used alone or useful features of construction and combinations of parts and method of operation thereof as hereinafter set forth and claimed.
  • FIG. 1 is an elevation, partly in sect-ion, of a discharge device commonly known as a hot cathode tube with the present invention embodied therein,
  • Fig. 2 is an elevation of a mercury arc device of the Cooper Hewitt type embodying my invention.
  • Fig. 3 is an end view of the device of Fig. 2.
  • a conventional hot cathode tube is shown in which the envelope 1 of glass, quartz or the like has an anode 2 at one end thereof and a cathode 3 and heater a at the other end, the leads thereto being sealed through the walls of said envelope in a well known manner.
  • a gaseous atmosphere is provided for the envelope 1, comprising a vaporizable substance such as mercury, lithium, sodium and the like, or any con'ibination thereof, and if desired for any reason, any of the gases commonly used in such devices or a mixture thereof may also be intrmluced into the envelope 1 with the vaporizable substance.
  • the vaporizable substance is mercury, the pool 5 thereof resting near the cathode seaiAvithin the envelope 1, and a rare gas such as neon is used to facilitate starting the discharge, although this may be omitted.
  • a rare gas such as neon is used to facilitate starting the discharge, although this may be omitted.
  • the lamp is started into operation the first discharge takes place in the gas within the envelope. The heat of this discharge vaporizes some of the mercury, the discharge then taking place partly in the mercury, this process continuing until so much mercury is vaporized that substantially all the discharge takes place in the mercury.
  • the electrical and radiation characteristics of the lamp, once this stage is reached, are those of mercury, and are entirely dependent upon the vapor pressure of the mercury.
  • a sleeve 7 of metal orother suitable material is slidably' fitted aboutltiioirenvelope 1 ad- 'acent to the cathode 3 and cathode seal 6.
  • l referleeve 7 along the envelope 1 the extent to which said cathode 3 is surrounded by said sleeve 7 can be readily varied, and thereby the amount of radiant heat from cathode 3 intercepted by the sleeve is likewise varied. By intercepting this radiant heat the sleeve 7 raises the temperature of the mercury pool 5 in either, or both, of two ways, in part depending upon the material used for the sleeve 7.
  • the sleeve 7 If the sleeve 7 is opaque it will reduce the radiation losses from the cathode chamber of the envelope 1, and thereby cause the temperature of all parts of that structure to increase, the mercury pool 5 thereby being brought to a higher temperature. If the sleeve 7 also be a good heat conductor, some of the radiant heat intercepted will be conducted through said sleeve to the wall of the envelope 1 adjacent to the mercury pool 5, P
  • a modified form of the invention has been applied to a mercury arc device of the Cooper Hewitt type having the arc tube 10 with cathode chamber 11 and anode chambers 12.
  • these anode chambers open downward, as shown, and difiiculty is then encountered as a result of condensation of mercury in the anode chambers especially around the inlead seal, which is relatively cool.
  • a heat intercepting sleeve 13 which closely fits the anode chamber 12 and extends from the inlead seal almost to the point where said chamber is sealedinto the arc tube 10, is provided for each of the anode chambers 12.
  • This sleeve 13 serves to reduce the radiation losses and to conduct heat from the heated portion of the chamber around the anode to the cooler portion around the seal, in which the mercury tends to collect, in the same manner as set forth in connection with Fig. 1, thereby maintaining the anode chamber free of condensed mercury.
  • adjust-ability is obtained by sliding the sleeve 13 downwardly.
  • an electric discharge device and means comprising a body opaque to heat rays movable on said device for diverting a variable amount of heat from a warm portion of said device to a cooler portion thereof.
  • an electrode chamber and means comprising an ad'- justable thermally conductive sleeve about said chamber to transfer a variable amount of heat from a warmv portion of said chambar to a cooler portion thereof.
  • an electric discharge device containinga condensable vapor and having an electrode chamber in wh ch condensed vapor tends to collect, and means comprising an adjustable thermally conduc-- tive sleeve about said chamber to transfer a regulatable amount of heat from a warm portion of said chamber to the portion where said condensed va or tends to collect.

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  • Lasers (AREA)
  • Discharge Lamps And Accessories Thereof (AREA)
US332130A 1927-10-15 1929-01-12 Gas or vapor electric device and method of controlling the same Expired - Lifetime US1878159A (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
US332130A US1878159A (en) 1929-01-12 1929-01-12 Gas or vapor electric device and method of controlling the same
FR37338D FR37338E (fr) 1927-10-15 1929-07-04 Perfectionnements aux tubes à décharge électronique
GB1188/30A GB347127A (enrdf_load_stackoverflow) 1929-01-12 1930-01-13
FR38152D FR38152E (fr) 1927-10-15 1930-03-19 Perfectionnements aux dispositifs à décharge thermoionique
FR38862D FR38862E (fr) 1927-10-15 1930-03-22 Perfectionnements aux dispositifs à décharge thermionique
FR40076D FR40076E (fr) 1927-10-15 1930-04-24 Perfectionnements aux dispositifs à décharge thermionique
FR40301D FR40301E (fr) 1927-10-15 1931-04-03 Perfectionnements aux dispositifs à décharge thermoionique
FR40462D FR40462E (fr) 1927-10-15 1931-06-26 Perfectionnements aux dispositifs à décharge thermionique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US332130A US1878159A (en) 1929-01-12 1929-01-12 Gas or vapor electric device and method of controlling the same

Publications (1)

Publication Number Publication Date
US1878159A true US1878159A (en) 1932-09-20

Family

ID=23296832

Family Applications (1)

Application Number Title Priority Date Filing Date
US332130A Expired - Lifetime US1878159A (en) 1927-10-15 1929-01-12 Gas or vapor electric device and method of controlling the same

Country Status (2)

Country Link
US (1) US1878159A (enrdf_load_stackoverflow)
GB (1) GB347127A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2930921A (en) * 1954-05-28 1960-03-29 Patelhold Patentverwertung Process of filling a discharge chamber with mercury and product
US3723784A (en) * 1971-04-15 1973-03-27 Gen Electric Alumina ceramic lamp having heat-reflecting shields surrounding its electrodes

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2930921A (en) * 1954-05-28 1960-03-29 Patelhold Patentverwertung Process of filling a discharge chamber with mercury and product
US3723784A (en) * 1971-04-15 1973-03-27 Gen Electric Alumina ceramic lamp having heat-reflecting shields surrounding its electrodes

Also Published As

Publication number Publication date
GB347127A (enrdf_load_stackoverflow) 1931-04-13

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