GB1299802A - Induction plasma generator - Google Patents

Induction plasma generator

Info

Publication number
GB1299802A
GB1299802A GB4853/70A GB485370A GB1299802A GB 1299802 A GB1299802 A GB 1299802A GB 4853/70 A GB4853/70 A GB 4853/70A GB 485370 A GB485370 A GB 485370A GB 1299802 A GB1299802 A GB 1299802A
Authority
GB
United Kingdom
Prior art keywords
gas
plasma
supplied
tubes
buffer
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
Application number
GB4853/70A
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.)
Humphreys Corp
Original Assignee
Humphreys Corp
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 Humphreys Corp filed Critical Humphreys Corp
Publication of GB1299802A publication Critical patent/GB1299802A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00—Generating plasma; Handling plasma
    • H05H1/24—Generating plasma
    • H05H1/46—Generating plasma using applied electromagnetic fields, e.g. high frequency or microwave energy
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03H—PRODUCING A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03H1/00—Using plasma to produce a reactive propulsive thrust

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Electromagnetism (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Plasma Technology (AREA)
  • Discharge Lamps And Accessories Thereof (AREA)

Abstract

1299802 Induction coupled plasma generators HUMPHREYS CORP 2 Feb 1970 [3 Fob 1969] 4853/70 Heading H5H The invention of Specification 1,231,093 is modified in that an annular stream of a buffer gas is supplied between the auxiliary sheath gas and main plasma gas. The buffer gas is supplied at a velocity intermediate the velocities of said plasma gas and said sheath gas, and thus moderates the velocity transition between the plasma core gas and the sheath gas. The stabilizing structure or transition channel structure comprises a plurality of axially extending, spaced tubes 200 disposed in a ring and supplied with a coolant. The upper ends of each pair of tubes 200 are soldered together to provide a return flow passage for the coolant as in Specification 1,299,803. Outside the ring of tubes 200 is a buffer tube 202 of quartz and then the plasma chamber tube 66<SP>11</SP> surrounded by coil 64<SP>11</SP>. Reference has been directed by the Comptroller to Specification 1,231,093
GB4853/70A 1969-02-03 1970-02-02 Induction plasma generator Expired GB1299802A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US79612169A 1969-02-03 1969-02-03

Publications (1)

Publication Number Publication Date
GB1299802A true GB1299802A (en) 1972-12-13

Family

ID=25167354

Family Applications (2)

Application Number Title Priority Date Filing Date
GB52022/71A Expired GB1299803A (en) 1969-02-03 1970-02-02 Improvements in or relating to induction plasma generators
GB4853/70A Expired GB1299802A (en) 1969-02-03 1970-02-02 Induction plasma generator

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB52022/71A Expired GB1299803A (en) 1969-02-03 1970-02-02 Improvements in or relating to induction plasma generators

Country Status (9)

Country Link
US (1) US3530335A (en)
AT (1) AT305453B (en)
BE (1) BE745354A (en)
CH (1) CH513565A (en)
DE (1) DE2004839C3 (en)
FR (1) FR2033904A5 (en)
GB (2) GB1299803A (en)
IL (1) IL33675A0 (en)
NL (1) NL7000559A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE766850A (en) * 1971-05-07 1971-11-08 Elphiac Sa PLASMA OVEN.
US4918031A (en) * 1988-12-28 1990-04-17 American Telephone And Telegraph Company,At&T Bell Laboratories Processes depending on plasma generation using a helical resonator
DE4019729A1 (en) * 1990-06-21 1992-01-02 Leybold Ag ION SOURCE
FR2683422B1 (en) * 1991-10-31 1994-01-21 Rc Durr Sa HIGH FREQUENCY GENERATOR FOR PLASMA TORCH.
US5216330A (en) * 1992-01-14 1993-06-01 Honeywell Inc. Ion beam gun
US6752972B1 (en) * 2000-05-10 2004-06-22 Essox Research And Development, Inc. Plasma processing method and apparatus
CN112728971B (en) * 2020-12-30 2021-10-19 西安交通大学 Preheating device in nuclear thermal propulsion system

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3264508A (en) * 1962-06-27 1966-08-02 Lai William Plasma torch
US3246115A (en) * 1963-06-03 1966-04-12 Giannini Scient Corp Arc compounded combustion and flame arrangement
US3301995A (en) * 1963-12-02 1967-01-31 Union Carbide Corp Electric arc heating and acceleration of gases
US3347698A (en) * 1964-01-10 1967-10-17 Metco Inc Radio frequency plasma flame spraying
US3373306A (en) * 1964-10-27 1968-03-12 Northern Natural Gas Co Method and apparatus for the control of ionization in a distributed electrical discharge
US3324334A (en) * 1966-03-15 1967-06-06 Massachusetts Inst Technology Induction plasma torch with means for recirculating the plasma

Also Published As

Publication number Publication date
CH513565A (en) 1971-09-30
GB1299803A (en) 1972-12-13
DE2004839C3 (en) 1975-06-19
FR2033904A5 (en) 1970-12-04
IL33675A0 (en) 1970-03-22
NL7000559A (en) 1970-08-05
DE2004839A1 (en) 1970-08-13
US3530335A (en) 1970-09-22
AT305453B (en) 1973-02-26
BE745354A (en) 1970-07-16
DE2004839B2 (en) 1974-11-07

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee