GB674448A - Safety device for gas-heated appliances - Google Patents

Safety device for gas-heated appliances

Info

Publication number
GB674448A
GB674448A GB9851/50A GB985150A GB674448A GB 674448 A GB674448 A GB 674448A GB 9851/50 A GB9851/50 A GB 9851/50A GB 985150 A GB985150 A GB 985150A GB 674448 A GB674448 A GB 674448A
Authority
GB
United Kingdom
Prior art keywords
plunger
gas
safety device
open
pilot
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
GB9851/50A
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.)
Lovell Manufacturing Co
Original Assignee
Lovell Manufacturing 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 Lovell Manufacturing Co filed Critical Lovell Manufacturing Co
Publication of GB674448A publication Critical patent/GB674448A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N5/00—Systems for controlling combustion

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Feeding And Controlling Fuel (AREA)

Abstract

674,448. Valves. LOVELL MANUFACTURING CO. April 21, 1950 [June 21, 1949], No. 9851/50. Class 135 [Also in Group XI] In a safety device for gas-heated appliances having a plunger 1 depressable against a spring 23 to open a normally closed valve 4 in the gas supply 11 to the main burner 15 and pilot burner 12 and thermostatically-actuated latch means, e.g. the electromagnet 14, responsive to the heat of the pilot flame for holding the valve 4 open, a rotary control knob 20 and cam means actuated thereby are provided for depressing the plunger. The knob rotates a sleeve 19 having a helical cam slot within a fixed sleeve 22 having a straight slot, so that a rod 16 having a pin 17 passing through both slots depresses the plunger. Contact 24 on the plunger bridges contacts 25, 26 to ignite the pilot burner electrically.
GB9851/50A 1949-06-21 1950-04-21 Safety device for gas-heated appliances Expired GB674448A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US674448XA 1949-06-21 1949-06-21

Publications (1)

Publication Number Publication Date
GB674448A true GB674448A (en) 1952-06-25

Family

ID=22076025

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9851/50A Expired GB674448A (en) 1949-06-21 1950-04-21 Safety device for gas-heated appliances

Country Status (1)

Country Link
GB (1) GB674448A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2901034A (en) * 1959-08-25 Valve arrangement
DE1135847B (en) * 1956-07-14 1962-09-06 Junkers & Co Safety device for gas-heated devices
GB2350884A (en) * 1999-06-11 2000-12-13 Stoves Group Plc Gas flow control using manually operable cam

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2901034A (en) * 1959-08-25 Valve arrangement
DE1135847B (en) * 1956-07-14 1962-09-06 Junkers & Co Safety device for gas-heated devices
GB2350884A (en) * 1999-06-11 2000-12-13 Stoves Group Plc Gas flow control using manually operable cam

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