GB1251391A - - Google Patents

Info

Publication number
GB1251391A
GB1251391A GB1251391DA GB1251391A GB 1251391 A GB1251391 A GB 1251391A GB 1251391D A GB1251391D A GB 1251391DA GB 1251391 A GB1251391 A GB 1251391A
Authority
GB
United Kingdom
Prior art keywords
flame
orifice
main
retention
chamber
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
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 filed Critical
Publication of GB1251391A publication Critical patent/GB1251391A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23Q—IGNITION; EXTINGUISHING-DEVICES
    • F23Q9/00—Pilot flame igniters

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Gas Burners (AREA)

Abstract

1,251,391. Pilot burners. RADIATION Ltd. 22 April, 1969 [30 April, 1968], No. 20457/68. Heading F4F. An ignition jet has a main flame orifice 12, a gas supply duct 11, an auxiliary chamber 19 in restrictable communication with the duct 11, and an auxiliary flame orifice 18 leading from the chamber 19 to provide a retention flame for the main flame. A screwed cap 1 tightens against an annular edge 15 of the body portion 3, in which a notch 16 is provided to communicate with the chamber 19 via a flat 5 on the screwed portion of the body 3. Excessive gas flow is initially provided for the retention flame, and this is reduced to the desired flow by screwing down the cap 1, crushing the edge 15, and reducing the notch 16. The ignition jet may be lit by a permanent pilot jet, or by a spark to a point in the region of the retention flame. There may be more than one main flame orifice, and the auxiliary orifice may be annular as shown, or a plurality of such orifices in annular arrangement may be provided. To create greater retention flame in the direction of the main flame, the flat 5 is machined in alignment with the main orifice 12.
GB1251391D 1968-04-30 1968-04-30 Expired GB1251391A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2045768 1968-04-30

Publications (1)

Publication Number Publication Date
GB1251391A true GB1251391A (en) 1971-10-27

Family

ID=10146268

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1251391D Expired GB1251391A (en) 1968-04-30 1968-04-30

Country Status (1)

Country Link
GB (1) GB1251391A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3699931A1 (en) 2019-02-22 2020-08-26 Prysmian S.p.A. Method for extracting crosslinking by-products from a crosslinked electrically insulating system of a power cable and related power cable

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3699931A1 (en) 2019-02-22 2020-08-26 Prysmian S.p.A. Method for extracting crosslinking by-products from a crosslinked electrically insulating system of a power cable and related power cable

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees