GB1380568A - Gaseous fuel control device and burner system - Google Patents

Gaseous fuel control device and burner system

Info

Publication number
GB1380568A
GB1380568A GB5000473A GB5000473A GB1380568A GB 1380568 A GB1380568 A GB 1380568A GB 5000473 A GB5000473 A GB 5000473A GB 5000473 A GB5000473 A GB 5000473A GB 1380568 A GB1380568 A GB 1380568A
Authority
GB
United Kingdom
Prior art keywords
valve
flow
burner
flame
open
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
GB5000473A
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.)
Robertshaw Controls Co
Original Assignee
Robertshaw Controls 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 Robertshaw Controls Co filed Critical Robertshaw Controls Co
Publication of GB1380568A publication Critical patent/GB1380568A/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
    • F23N5/02—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium
    • F23N5/10—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using thermocouples
    • F23N5/107—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using thermocouples using mechanical means, e.g. safety valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
    • F23D14/04—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2235/00—Valves, nozzles or pumps
    • F23N2235/12—Fuel valves
    • F23N2235/18—Groups of two or more valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2235/00—Valves, nozzles or pumps
    • F23N2235/12—Fuel valves
    • F23N2235/24—Valve details

Abstract

1380568 Burner controllers ROBERTSHAW CONTROLS CO 14 Dec 1971 [15 Dec 1970] 50004/73 Divided out of 1380567 Heading F4T A fuel control device for a dual flow rate burner, particularly of the type forming the subject matter of Specification 1,380,567, has only a single fuel inlet 12, Fig. 6, and a single fuel outlet 14, means operative to provide fuel flow to the outlet selectively at two predetermined flow rates corresponding to the two rates of the burner which produces two different flame configurations, a flame sensor T for sensing both flame configurations, and a safety shut-off valve 18 responsive to the flame sensor so as to be maintained open as long as any flame emanates from the burner. The valve 18 has a holding solenoid 24 energized by thermocouple T but of insufficient power to open this valve. A manual control knob 48 has an OFF position, a PILOT position, and an ON position, a button 32 being depressable only in the PILOT position to open valve 18 and simultaneously close a valve 38 to block a main fuel flow path, an auxiliary fuel flow passing via a by-pass passage 74 to outlet 14. After ignition of the auxiliary flow, valve 18 remains open, unless the flame goes out, and knob 48 is turned to the ON position whereat the main fuel flow passes via valves 18, 22 and 36, 38 into and through a plug valve 42, rotated by knob 48, and thence to outlet 14 via a thermostatic valve 52, Fig. 1, the auxiliary flow continuing via passage 74 and a variable restrictor 75. The flow via passage 74 may or may not be controlled by an exterior flow channel in plug valve 42. The thermostatic valve 52 comprises a spring biased member 56 having a seat 54 and actuated by a snap-acting mechanism 64 responsive to a rod-in-tube thermostat 68 with a temperature selector 72 so that with the valve 52 closed or open the burner operates at a standby or main rate respectively.
GB5000473A 1970-12-15 1971-12-14 Gaseous fuel control device and burner system Expired GB1380568A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US9824670A 1970-12-15 1970-12-15

Publications (1)

Publication Number Publication Date
GB1380568A true GB1380568A (en) 1975-01-15

Family

ID=22268325

Family Applications (2)

Application Number Title Priority Date Filing Date
GB5000473A Expired GB1380568A (en) 1970-12-15 1971-12-14 Gaseous fuel control device and burner system
GB5803171A Expired GB1380567A (en) 1970-12-15 1971-12-14 Gaseous fuel burner

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB5803171A Expired GB1380567A (en) 1970-12-15 1971-12-14 Gaseous fuel burner

Country Status (13)

Country Link
US (1) US3762639A (en)
AU (3) AU451000B2 (en)
BE (1) BE776669A (en)
CA (1) CA959751A (en)
DE (1) DE2162009A1 (en)
DK (1) DK131954C (en)
ES (1) ES397945A1 (en)
FR (1) FR2118593A5 (en)
GB (2) GB1380568A (en)
IT (1) IT943931B (en)
NL (1) NL7117100A (en)
NO (1) NO131362C (en)
SE (2) SE7410582L (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3870458A (en) * 1973-09-26 1975-03-11 Robertshaw Controls Co Plural rate burner with deflection of high rate flame against flame sensing element
US3846064A (en) * 1973-09-28 1974-11-05 Robertshaw Controls Co Flame spreader with stress relief for a burner
US4108370A (en) * 1977-02-23 1978-08-22 Robertshaw Controls Company Fuel control system having by-pass means and parts therefor and the like
DE2915725A1 (en) * 1979-04-19 1980-10-30 Gok Gmbh & Co Kg Pilot burner safety device - is fitted behind baffle on main gas valve
GB8431029D0 (en) * 1984-12-07 1985-01-16 Kinder J M Combustion assemblies
US5281130A (en) * 1986-07-11 1994-01-25 Lebaigue Research Limited Domestic gas fires
US5275555A (en) * 1992-08-14 1994-01-04 Goodridge Mark S Holding and covering a gas pilot
DE19825846A1 (en) * 1998-06-10 1999-12-16 Agt Gas Technology Gmbh Device for securing a gas burning point
EP1552199B1 (en) * 2002-09-25 2010-12-22 BSH Bosch und Siemens Hausgeräte GmbH Gas tap comprising an electromagnetic safety valve
US8141788B2 (en) * 2008-02-11 2012-03-27 Marine Canada Acquisition Inc. Thermostatic control device
US8931707B2 (en) 2008-02-11 2015-01-13 Marine Canada Acquisition Inc. Appliance with thermostatic controls
US9423153B2 (en) * 2009-03-24 2016-08-23 Robertshaw Controls Company Unregulated integrated function gas valve for a water heater
US9746176B2 (en) 2014-06-04 2017-08-29 Lochinvar, Llc Modulating burner with venturi damper
US10633816B2 (en) * 2016-06-06 2020-04-28 Daniel Jensen Ground thawing device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1881637A (en) * 1928-10-29 1932-10-11 Honeywell Regulator Co Fuel regulating device for gas ovens
US1917345A (en) * 1931-05-19 1933-07-11 Vedoe Peterson Co Oven regulator
US3559884A (en) * 1969-02-19 1971-02-02 Emerson Electric Co Gas valve

Also Published As

Publication number Publication date
AU3685671A (en) 1973-06-21
IT943931B (en) 1973-04-10
AU6967474A (en) 1974-08-15
FR2118593A5 (en) 1972-07-28
DE2162009A1 (en) 1972-07-13
AU469371B2 (en) 1974-08-15
AU6967374A (en) 1974-08-15
DK131954B (en) 1975-09-29
SE7410582L (en) 1974-08-20
AU451000B2 (en) 1974-07-25
NO131362C (en) 1975-05-14
BE776669A (en) 1972-04-04
CA959751A (en) 1974-12-24
NL7117100A (en) 1972-06-19
GB1380567A (en) 1975-01-15
NO131362B (en) 1975-02-03
ES397945A1 (en) 1974-07-01
SE7410581L (en) 1974-08-20
DK131954C (en) 1976-02-23
US3762639A (en) 1973-10-02

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees