US1844353A - Electric discharge device - Google Patents

Electric discharge device Download PDF

Info

Publication number
US1844353A
US1844353A US323300A US32330028A US1844353A US 1844353 A US1844353 A US 1844353A US 323300 A US323300 A US 323300A US 32330028 A US32330028 A US 32330028A US 1844353 A US1844353 A US 1844353A
Authority
US
United States
Prior art keywords
discharge
chamber
vapor
mercury
condensing
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
US323300A
Other languages
English (en)
Inventor
Foulke Ted Eugene
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
Priority to FR633203D priority Critical patent/FR633203A/fr
Application filed by General Electric Vapor Lamp Co filed Critical General Electric Vapor Lamp Co
Priority to US323300A priority patent/US1844353A/en
Priority to DEP60860D priority patent/DE512155C/de
Priority to GB37021/29A priority patent/GB344906A/en
Priority to FR37669D priority patent/FR37669E/fr
Application granted granted Critical
Publication of US1844353A publication Critical patent/US1844353A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/24—Circuit arrangements in which the lamp is fed by high frequency AC, or with separate oscillator frequency
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J65/00—Lamps without any electrode inside the vessel; Lamps with at least one main electrode outside the vessel
    • H01J65/04—Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating plasma display panels
    • H01J65/042—Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating plasma display panels by an external electromagnetic field
    • H01J65/048—Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating plasma display panels by an external electromagnetic field the field being produced by using an excitation coil

Definitions

  • discharge devices of the "type 11 frequency magnetic field iii cc-iidenseiiie vepor cdry os heretofore produced have 1 ii iii ed in their use due "to the dense discj'eeree yieidiiig ir-7 er" an order ezieer than square closureiiiiie'ber coifdd iio'; (i therein for iong periods 0 imeu 3 input imo such e device cute the intense discharge iperst cf cury iiocreeses e. is reached, essure c esiiiy oi ris- M, em
  • the device preferablv contains a small quantity of one of the rare gases or any other inert gas, or a mixture thereof, as set forth in my pending application Serial No. 101,001 filed April 9, 1926.
  • the device is then given its final exhaust, during which the temperature of the device is raised by means of applying a torch or baking in an oven.
  • An induction discharge considerably above normal is set up in the device whereby certain impurities which tend to shorten the life of the device are removed.
  • the rare gas, if used is admitted, and the device sealed off. The device is then ready for operation.
  • a base 10 carries a vertical support member 11, at the upper end of which is the pivot 12 which supports the lever 13, thereby supporting the entire discharge device.
  • a handle 15 is provided for the operation of the lever 13.
  • the base 10 also carries an upright 16, which has near its top the serrations 17 arranged along a segment of a circle struck from the pivot 12.
  • a spring dog 18 carried by the lever 13 engages these serrations and provides means for yieldably holdlng the lever 18 in any desired position.
  • the vapor pressure thus maintained within the device during operation may be varied by tilting the device by means of the handle 15 whereby the amount of mercury protruding into the chamber 1 from the passage 4 is varied. The more mercury there is thus exposed to the discharge the higher the rate of evaporation becomes. The vapor pressure therefore increases until the rate of condensation, due to the higher operating temperature, increases to the point where it again equals the rate of evaporation. In like manner tilting the device in the opposite direction will decrease the vapor pressure. As a result of this means of control this device can be adapted to various rates of electrical input, atmospheric conditions and the like without structural change, a feature which is ofthe greatest importance.
  • Customary means for increasing or decreasing the rate of cooling of the chamber 2 could advantageously beiemployed to regulate the vapor pressure within the device.
  • an asbestos sheath might be placed about the chamber 2 to decrease the rate of cooling, and thereby increase the vapor pressure.
  • a metallic sheath with or without cooling fins might be employed to increase the rate of cooling and thereby decreasethe vapor pressure within the device.
  • An electromagnetic induction discharge device comprising a discharge chamber, a condensing chamber, a passage from the lower-part of said condensing'chamber to the lower part of said discharge chamber, mercury in said condensing chamber and'said passage, said mercury extending from said passage a short distance into said discharge chamber, and a passage for mercury vapor from the upper part of said discharge chamber to the upper part of said condensing chamber.
  • a gaseous discharge device comprising a discharge chamber, a condensing chamber, a passage from the lower part of said discharge chamber to the lower part of said condensing chamber, a second chamber to the upper part of said condensing chamber, mercury in said device, and
  • a gaseous discharge device comprising a discharge chamber, a condensing chamber, a passage from the lower part of said discharge chamber to the lower part of said condensing chamber, a second passage from the upper part of said discharge chamber to the upper part of said condensing chamber, mercury in said contill densing chamber and extending through said lower passage into said discharge chamber, and means for varying the amount of mercury extending into said discharge chamber.
  • the method of operating an electric vapor discharge device which comprises producing an electromagnetic induction discharge in said vapor in a suitable discharge chamber, continuously condensing some of said vapor in a chamber remote from said discharge chamber, collecting said condensed vapor, and returning it to said discharge chamber through an opening in the bottom thereof.
  • the method of operating an electric vapor discharge device which comprises producing a discharge in said vapor in a suitable discharge chamber, continuously condensing some of said vapor in a chamber remote from said discharge chamber, collecting said condensed vapor, returning it to said dischargechamber through an opening in the bottom thereof, and varying the amount of said condensed vapor exposed to the discharge to vary the rate of evaporation thereof.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Discharge Lamps And Accessories Thereof (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
US323300A 1928-12-03 1928-12-03 Electric discharge device Expired - Lifetime US1844353A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR633203D FR633203A (fr) 1928-12-03 1927-04-08 Tubes à décharge électrique et à induction
US323300A US1844353A (en) 1928-12-03 1928-12-03 Electric discharge device
DEP60860D DE512155C (de) 1928-12-03 1929-07-24 Elektrische Gasentladungslampe
GB37021/29A GB344906A (en) 1928-12-03 1929-12-03 Improvements in and relating to electric discharge devices
FR37669D FR37669E (fr) 1928-12-03 1929-12-03 Tubes à décharge électrique et à induction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US323300A US1844353A (en) 1928-12-03 1928-12-03 Electric discharge device

Publications (1)

Publication Number Publication Date
US1844353A true US1844353A (en) 1932-02-09

Family

ID=23258591

Family Applications (1)

Application Number Title Priority Date Filing Date
US323300A Expired - Lifetime US1844353A (en) 1928-12-03 1928-12-03 Electric discharge device

Country Status (4)

Country Link
US (1) US1844353A (de)
DE (1) DE512155C (de)
FR (2) FR633203A (de)
GB (1) GB344906A (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2484332A (en) * 1944-09-09 1949-10-11 Emil R Capita Ultraviolet light apparatus
US2975330A (en) * 1960-06-01 1961-03-14 Varian Associates Electrodeless discharge method and apparatus

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE740045C (de) * 1938-11-08 1943-10-11 Georg Waldner Verfahren zur Erzeugung einer zusaetzlichen weissen Temperaturstrahlung im Quecksilberdampflichtbogen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2484332A (en) * 1944-09-09 1949-10-11 Emil R Capita Ultraviolet light apparatus
US2975330A (en) * 1960-06-01 1961-03-14 Varian Associates Electrodeless discharge method and apparatus

Also Published As

Publication number Publication date
DE512155C (de) 1930-11-07
GB344906A (en) 1931-03-03
FR633203A (fr) 1928-01-25
FR37669E (fr) 1931-01-14

Similar Documents

Publication Publication Date Title
US2291054A (en) Vacuum diffusion pump
US4660297A (en) Desorption of water molecules in a vacuum system using ultraviolet radiation
SU953975A3 (ru) Устройство дл стерилизации жидкостей
JPS5776320A (en) Cooling device for bearing part
US3457454A (en) Stabilized light source for operation at substantially constant temperature and intensity
US2252052A (en) Sublimating apparatus
JPS5780729A (en) Annealing device for semiconductor
US1919490A (en) Source of light and method of operating the same
US2305947A (en) Diffusion pump
JPS56135987A (en) Gas laser device
US2892665A (en) Discharge lamp manufacture
US2514275A (en) Apparatus for condensing metal vapors
US1673850A (en) Thermionic valve
US3117714A (en) Gas or vapour condensers
US2471325A (en) Vacuum dehydration
US3497134A (en) Vapor vacuum pump
US1861620A (en) Gaseous discharge device
US1246118A (en) Incandescent lamp.
GB344906A (en) Improvements in and relating to electric discharge devices
Knipp High vacuum and electrodeless discharge technique
US1909447A (en) Vaporizing apparatus and means for controlling the vapor pressure thereof
JPS57180069A (en) Discharge lamp with low pressure metallic vapor
Livshits et al. Diamagnetic Ejection of Gas Condensations from Sunspot Regions
NO123107B (de)
US1110601A (en) Cooling device for vapor electric apparatus.