US2340283A - Flue control device - Google Patents
Flue control device Download PDFInfo
- Publication number
- US2340283A US2340283A US2340283DA US2340283A US 2340283 A US2340283 A US 2340283A US 2340283D A US2340283D A US 2340283DA US 2340283 A US2340283 A US 2340283A
- Authority
- US
- United States
- Prior art keywords
- damper
- flue
- control device
- casing
- furnace
- 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
Links
- 238000002485 combustion reaction Methods 0.000 description 18
- 238000010438 heat treatment Methods 0.000 description 14
- 230000003247 decreasing Effects 0.000 description 8
- 102100014017 ODAM Human genes 0.000 description 2
- 108060005663 ODAM Proteins 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L11/00—Arrangements of valves or dampers after the fire
- F23L11/02—Arrangements of valves or dampers after the fire for reducing draught by admission of air to flues
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L13/00—Construction of valves or dampers for controlling air supply or draught
- F23L13/02—Construction of valves or dampers for controlling air supply or draught pivoted about a single axis but having not other movement
Definitions
- This invention relates generally to heating apparatus and more particularly to flue control de-" vices therefor.
- Another object of the invention is to provide a new and improved flue control device including a casing having a flow passage therethrough for the products of combustion and having an air intake, the flow passage and air intake being controlled by a single pivoted damper for decreasing the effective flow capacity of the passage and for permitting entrance of air through the air intake.
- a further object of the invention is to provide a flue control device of the above mentioned character which is of simple cnstruction, inexpensive to manufacture and readily installed in difierent types of heating apparatuses.
- Fig. l is an elevational view of a heating apparatus or furnace showing my improved flue control device associated therewith;
- Fig. 2 is a top plan view of the control device
- Fig. 3 is a side view of the control device having parts broken away and in section;
- Fig. 4 is an end view of the control device looking from right to left of Fig. 3.
- the numeral 10 designates in general a heating apparatus or furnace which may be of any suitable type, the present furnace shown being a hand stoked steam furnace, having the usual draft damper ll.
- a flue or conduit 12 for carrying away the products of combustion and located in the flue I2 is my flue control device, designated in general by the numeral 13.
- the control device [3 includes a casing l4 which is preferably rectangular in shape having an inlet l and an outlet l6, respectively, in opposite walls of the casing and connected to pipe sections of the flue [2.
- the control device casing I4 is provided with an air intake or inlet ll in the top wall of the casing so that under certain conditions, such as when the draft damper I! is open, the draft or suction from the chimney causes basement air to be taken into the flue through theair intake ll thereby decreasing the effective flow capacity of the casing M for the passage of the products of combustion'
- a damper l8 which is preferably made of sheet metal andrectangular in form is hinged at one edge thereof adjacent the inlet'l5 at the topwall :l'l'. by apin or. rod 20 havingits opposite ends supported in the side walls of the casing. 14.
- Adjacen't -the opposite edge of the damper l8 from the pivot-rod 20, a bracket 2
- the damper I8 is shown in its lowered position to which it is limited by the stop screw 22 which may be adjusted, as desired.
- an operating arm 24 is rigidly secured to the damper adjacent the pivot rod 29 and the other end of the od 24 is connected by a suitable cord 25 extending, over pulleys 25 to the draft damper H.
- a weight 21 which acts to swing the damper l8 upwardly or counterclockwise, facing Fig. 3, thereby to increase the effective flow capacity of the casing l4 and to decrease or close the air intake ll.
- the weight 21 may be secured in any desired position along the arm 24 by means of a set screw 28.
- a lever 30 pivoted intermediate its ends, as at 3
- One end of the lever 3! is secured to the cord II, as at 33, and adjacent the other end of the lever there is a weight 34 which may be movably adjustable along the lever and held in any desired position of adjustment by a set screw 35.
- a pressure responsive member 36 is pivotally connected to the lever, as at 31, the member 36 being responsive to the steam pressure in the furnace which acts against the weight 34 to close damper H.
- the flue damper I 8 is moved to increase the flow capacity of the casing 14 to insure that the products of combustion will be safely carried away through the flue in the chimney.
- the pressure responsive member 36 moves up overcoming the weight 34 and closing the damper II and through thecord 25 lifts the flue damper weight 21 and swings the damper l8 downwardly, which movement is limited by the adjustable stop member 22.
- damper I8 is moved to its down position to decrease heat loss through the flue l2, the movement of the damper f8 downwardly not only decreasing.
- a flue control device for heating apparatus comprising, a casing having an in'let'and an outlet for the products of combustion andhaving a top wall, said top wall having, an opening providing a marginal flange, a damper withinsaid casing and hinged to said flange adjacent said first-named inlet, said damper being. operable upon pivoting in one direction" to increase air flow into said casing through said air inlet and to decrease correspondingly flow of the products of'combustion through said casing, and adjustable stop means centrally positioned on the damper engageable with said marginal flange to limit movement of said damper in said one direction, said adjustable stop means being attached to the top of said damper remote from the edges thereof! and having a retractib'le member bearing against the top of said casing when said damper is in open position.
- a flue control device for heating systems comprising. in combination with a furnace having, a flue outlet, a rectangular casing adapted to bein'serted in' the flue outlet, said casing having top,, bottom, side and end walls, alined inlet and outlet openings in the end walls, said top wall having a rectangular opening providing a marginaL inwardly directed flange extending from the side and end walls, a damper hinged to the under sideof themarginal flange adjacent the V inlet opening'whereby said damper may swing into and out of the path of the products of combustion passing, through said casing, a relatively narrow stop strap directly connected to the outer wall. of the damperuand remote. from the edgesthereof and a bufiermember carriedby the freeend of the strap adapted to engage the marginalflange to limit inward swinging movement of the damper and prevent complete stoppageof the flueinlet. JOHN VLADU.
Description
Jamzs, 1944. J. VLADU FLUE CONTROL DEVICE Filed Aug. 10, 1940 i l l 5 l l 1 L Patented Jan. 25, 1944 TE S E-1S PATEN OFFICE ......Z:::i*:...... t
John Vladu, Detroit, Mich, assignor ofone-half to LaWrenceA. Shaper, Detroit, and one-half to Lynden Itutley, Highland Park, Mich.
Application August 10, 1940, Serial No. 352,047
' 2 Claims- This invention relates generally to heating apparatus and more particularly to flue control de-" vices therefor.
It is an object of the present invention to provide for heating apparatuses a new and improved flue control device of a character which willmaterially reduce loss of heat through the'stack or chimney J 1' ,1 :1-
Another object of the invention is to provide a new and improved flue control device including a casing having a flow passage therethrough for the products of combustion and having an air intake, the flow passage and air intake being controlled by a single pivoted damper for decreasing the effective flow capacity of the passage and for permitting entrance of air through the air intake.
A further object of the invention is to provide a flue control device of the above mentioned character which is of simple cnstruction, inexpensive to manufacture and readily installed in difierent types of heating apparatuses.
Other objects of the invention will become apparent from the following detailed description taken in connection with the accompanying drawing in which:
Fig. l is an elevational view of a heating apparatus or furnace showing my improved flue control device associated therewith;
Fig. 2 is a top plan view of the control device;
Fig. 3 is a side view of the control device having parts broken away and in section; and
Fig. 4 is an end view of the control device looking from right to left of Fig. 3.
Referring to the drawing by characters of reference, the numeral 10 designates in general a heating apparatus or furnace which may be of any suitable type, the present furnace shown being a hand stoked steam furnace, having the usual draft damper ll. Leading from the furnace l0 there is a flue or conduit 12 for carrying away the products of combustion and located in the flue I2 is my flue control device, designated in general by the numeral 13. The control device [3 includes a casing l4 which is preferably rectangular in shape having an inlet l and an outlet l6, respectively, in opposite walls of the casing and connected to pipe sections of the flue [2. In order to decrease efficiently heat loss through the flue l2 the control device casing I4 is provided with an air intake or inlet ll in the top wall of the casing so that under certain conditions, such as when the draft damper I! is open, the draft or suction from the chimney causes basement air to be taken into the flue through theair intake ll thereby decreasing the effective flow capacity of the casing M for the passage of the products of combustion' A damper l8 which is preferably made of sheet metal andrectangular in form is hinged at one edge thereof adjacent the inlet'l5 at the topwall :l'l'. by apin or. rod 20 havingits opposite ends supported in the side walls of the casing. 14. Adjacen't -the opposite edge of the damper l8 from the pivot-rod 20, a bracket 2| is rigidly secured to the dampe l8 and carries anadjustable stop member .in .the form of a screw .22 which is arranged to engage the upper surface of the easing top wall to limit downward swinging movement of the damper Hi. In Fig. 3, the damper I8 is shown in its lowered position to which it is limited by the stop screw 22 which may be adjusted, as desired.
One end of an operating arm 24 is rigidly secured to the damper adjacent the pivot rod 29 and the other end of the od 24 is connected by a suitable cord 25 extending, over pulleys 25 to the draft damper H. Adjustable on and along the rod 24 there is a weight 21 which acts to swing the damper l8 upwardly or counterclockwise, facing Fig. 3, thereby to increase the effective flow capacity of the casing l4 and to decrease or close the air intake ll. The weight 21 may be secured in any desired position along the arm 24 by means of a set screw 28.
Mounted on top of the furnace Ill there is shown the usual type of draft damper operating means which includes a lever 30 pivoted intermediate its ends, as at 3|, to a bracket 32 which is rigidly secured to thetop of the furnace. One end of the lever 3!) is secured to the cord II, as at 33, and adjacent the other end of the lever there is a weight 34 which may be movably adjustable along the lever and held in any desired position of adjustment by a set screw 35. Intermediate the fulcrum of the lever and the weight 34, a pressure responsive member 36 is pivotally connected to the lever, as at 31, the member 36 being responsive to the steam pressure in the furnace which acts against the weight 34 to close damper H.
Operation combustion the flue damper I 8 is moved to increase the flow capacity of the casing 14 to insure that the products of combustion will be safely carried away through the flue in the chimney. When the steam pressure has reached the desired pressure, the pressure responsive member 36 moves up overcoming the weight 34 and closing the damper II and through thecord 25 lifts the flue damper weight 21 and swings the damper l8 downwardly, which movement is limited by the adjustable stop member 22. Thus, when the damper is closed and combustion consequently retarded, damper I8 is moved to its down position to decrease heat loss through the flue l2, the movement of the damper f8 downwardly not only decreasing. the efiectiver flow capacity of the casing M to passage of gases therethrough from the furnace but also co'rre spondingly increasing the flow capacity, of the air intake I! so that the force of the chimney draft on the flue is correspondingly decreased with resultant saving in escape of heat through the flue l2.
What I claim is:
1. A flue control device for heating apparatus comprising, a casing having an in'let'and an outlet for the products of combustion andhaving a top wall, said top wall having, an opening providing a marginal flange, a damper withinsaid casing and hinged to said flange adjacent said first-named inlet, said damper being. operable upon pivoting in one direction" to increase air flow into said casing through said air inlet and to decrease correspondingly flow of the products of'combustion through said casing, and adjustable stop means centrally positioned on the damper engageable with said marginal flange to limit movement of said damper in said one direction, said adjustable stop means being attached to the top of said damper remote from the edges thereof! and having a retractib'le member bearing against the top of said casing when said damper is in open position.
2. A flue control device for heating systems comprising. in combination with a furnace having, a flue outlet, a rectangular casing adapted to bein'serted in' the flue outlet, said casing having top,, bottom, side and end walls, alined inlet and outlet openings in the end walls, said top wall having a rectangular opening providing a marginaL inwardly directed flange extending from the side and end walls, a damper hinged to the under sideof themarginal flange adjacent the V inlet opening'whereby said damper may swing into and out of the path of the products of combustion passing, through said casing, a relatively narrow stop strap directly connected to the outer wall. of the damperuand remote. from the edgesthereof and a bufiermember carriedby the freeend of the strap adapted to engage the marginalflange to limit inward swinging movement of the damper and prevent complete stoppageof the flueinlet. JOHN VLADU.
Publications (1)
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US2340283A true US2340283A (en) | 1944-01-25 |
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Family Applications (1)
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US2340283D Expired - Lifetime US2340283A (en) | Flue control device |
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Cited By (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1981002463A1 (en) * | 1980-02-25 | 1981-09-03 | R Russell | Automatic draft controller |
US4422440A (en) * | 1980-02-25 | 1983-12-27 | Russell Robert J | Automatic draft controller |
US4480558A (en) * | 1982-10-08 | 1984-11-06 | Russell Robert J | Adjustable air inlet control system |
US20210123598A1 (en) * | 2019-10-25 | 2021-04-29 | The Marley Company Llc | Variable Orifice Restoration Device |
US11193069B2 (en) | 2018-12-28 | 2021-12-07 | Suncoke Technology And Development Llc | Coke plant tunnel repair and anchor distribution |
US11214739B2 (en) | 2015-12-28 | 2022-01-04 | Suncoke Technology And Development Llc | Method and system for dynamically charging a coke oven |
US11261381B2 (en) | 2018-12-28 | 2022-03-01 | Suncoke Technology And Development Llc | Heat recovery oven foundation |
US11359146B2 (en) | 2013-12-31 | 2022-06-14 | Suncoke Technology And Development Llc | Methods for decarbonizing coking ovens, and associated systems and devices |
US11359145B2 (en) | 2012-12-28 | 2022-06-14 | Suncoke Technology And Development Llc | Systems and methods for maintaining a hot car in a coke plant |
US11395989B2 (en) | 2018-12-31 | 2022-07-26 | Suncoke Technology And Development Llc | Methods and systems for providing corrosion resistant surfaces in contaminant treatment systems |
US11441077B2 (en) | 2012-08-17 | 2022-09-13 | Suncoke Technology And Development Llc | Coke plant including exhaust gas sharing |
US11486572B2 (en) | 2018-12-31 | 2022-11-01 | Suncoke Technology And Development Llc | Systems and methods for Utilizing flue gas |
US11508230B2 (en) | 2016-06-03 | 2022-11-22 | Suncoke Technology And Development Llc | Methods and systems for automatically generating a remedial action in an industrial facility |
US11643602B2 (en) | 2018-12-28 | 2023-05-09 | Suncoke Technology And Development Llc | Decarbonization of coke ovens, and associated systems and methods |
US11680208B2 (en) | 2018-12-28 | 2023-06-20 | Suncoke Technology And Development Llc | Spring-loaded heat recovery oven system and method |
US11692138B2 (en) | 2012-08-17 | 2023-07-04 | Suncoke Technology And Development Llc | Automatic draft control system for coke plants |
US11746296B2 (en) | 2013-03-15 | 2023-09-05 | Suncoke Technology And Development Llc | Methods and systems for improved quench tower design |
US11760937B2 (en) * | 2018-12-28 | 2023-09-19 | Suncoke Technology And Development Llc | Oven uptakes |
US11767482B2 (en) | 2020-05-03 | 2023-09-26 | Suncoke Technology And Development Llc | High-quality coke products |
US11788012B2 (en) | 2015-01-02 | 2023-10-17 | Suncoke Technology And Development Llc | Integrated coke plant automation and optimization using advanced control and optimization techniques |
US11795400B2 (en) | 2014-09-15 | 2023-10-24 | Suncoke Technology And Development Llc | Coke ovens having monolith component construction |
US11807812B2 (en) | 2012-12-28 | 2023-11-07 | Suncoke Technology And Development Llc | Methods and systems for improved coke quenching |
US11845898B2 (en) | 2017-05-23 | 2023-12-19 | Suncoke Technology And Development Llc | System and method for repairing a coke oven |
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-
0
- US US2340283D patent/US2340283A/en not_active Expired - Lifetime
Cited By (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4341344A (en) * | 1980-02-25 | 1982-07-27 | Russell Robert J | Automatic draft controller |
US4422440A (en) * | 1980-02-25 | 1983-12-27 | Russell Robert J | Automatic draft controller |
WO1981002463A1 (en) * | 1980-02-25 | 1981-09-03 | R Russell | Automatic draft controller |
US4480558A (en) * | 1982-10-08 | 1984-11-06 | Russell Robert J | Adjustable air inlet control system |
US11441077B2 (en) | 2012-08-17 | 2022-09-13 | Suncoke Technology And Development Llc | Coke plant including exhaust gas sharing |
US11692138B2 (en) | 2012-08-17 | 2023-07-04 | Suncoke Technology And Development Llc | Automatic draft control system for coke plants |
US11939526B2 (en) | 2012-12-28 | 2024-03-26 | Suncoke Technology And Development Llc | Vent stack lids and associated systems and methods |
US11845037B2 (en) | 2012-12-28 | 2023-12-19 | Suncoke Technology And Development Llc | Systems and methods for removing mercury from emissions |
US11807812B2 (en) | 2012-12-28 | 2023-11-07 | Suncoke Technology And Development Llc | Methods and systems for improved coke quenching |
US11359145B2 (en) | 2012-12-28 | 2022-06-14 | Suncoke Technology And Development Llc | Systems and methods for maintaining a hot car in a coke plant |
US11746296B2 (en) | 2013-03-15 | 2023-09-05 | Suncoke Technology And Development Llc | Methods and systems for improved quench tower design |
US11359146B2 (en) | 2013-12-31 | 2022-06-14 | Suncoke Technology And Development Llc | Methods for decarbonizing coking ovens, and associated systems and devices |
US11795400B2 (en) | 2014-09-15 | 2023-10-24 | Suncoke Technology And Development Llc | Coke ovens having monolith component construction |
US11788012B2 (en) | 2015-01-02 | 2023-10-17 | Suncoke Technology And Development Llc | Integrated coke plant automation and optimization using advanced control and optimization techniques |
US11214739B2 (en) | 2015-12-28 | 2022-01-04 | Suncoke Technology And Development Llc | Method and system for dynamically charging a coke oven |
US11508230B2 (en) | 2016-06-03 | 2022-11-22 | Suncoke Technology And Development Llc | Methods and systems for automatically generating a remedial action in an industrial facility |
US11845898B2 (en) | 2017-05-23 | 2023-12-19 | Suncoke Technology And Development Llc | System and method for repairing a coke oven |
US11505747B2 (en) | 2018-12-28 | 2022-11-22 | Suncoke Technology And Development Llc | Coke plant tunnel repair and anchor distribution |
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US11845897B2 (en) | 2018-12-28 | 2023-12-19 | Suncoke Technology And Development Llc | Heat recovery oven foundation |
US11680208B2 (en) | 2018-12-28 | 2023-06-20 | Suncoke Technology And Development Llc | Spring-loaded heat recovery oven system and method |
US11261381B2 (en) | 2018-12-28 | 2022-03-01 | Suncoke Technology And Development Llc | Heat recovery oven foundation |
US11760937B2 (en) * | 2018-12-28 | 2023-09-19 | Suncoke Technology And Development Llc | Oven uptakes |
US11819802B2 (en) | 2018-12-31 | 2023-11-21 | Suncoke Technology And Development Llc | Methods and systems for providing corrosion resistant surfaces in contaminant treatment systems |
US11486572B2 (en) | 2018-12-31 | 2022-11-01 | Suncoke Technology And Development Llc | Systems and methods for Utilizing flue gas |
US11395989B2 (en) | 2018-12-31 | 2022-07-26 | Suncoke Technology And Development Llc | Methods and systems for providing corrosion resistant surfaces in contaminant treatment systems |
US20210123598A1 (en) * | 2019-10-25 | 2021-04-29 | The Marley Company Llc | Variable Orifice Restoration Device |
US11767482B2 (en) | 2020-05-03 | 2023-09-26 | Suncoke Technology And Development Llc | High-quality coke products |
US11851724B2 (en) | 2021-11-04 | 2023-12-26 | Suncoke Technology And Development Llc. | Foundry coke products, and associated systems, devices, and methods |
US11946108B2 (en) | 2021-11-04 | 2024-04-02 | Suncoke Technology And Development Llc | Foundry coke products and associated processing methods via cupolas |
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