US2437771A - Stack - Google Patents

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Publication number
US2437771A
US2437771A US513081A US51308143A US2437771A US 2437771 A US2437771 A US 2437771A US 513081 A US513081 A US 513081A US 51308143 A US51308143 A US 51308143A US 2437771 A US2437771 A US 2437771A
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US
United States
Prior art keywords
sleeve
stack
flange
conical
spaced
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Expired - Lifetime
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US513081A
Inventor
Clyde F Wait
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PALACE Corp
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PALACE CORP
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Publication date
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Priority to US513081A priority Critical patent/US2437771A/en
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Publication of US2437771A publication Critical patent/US2437771A/en
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Expired - Lifetime legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61C—LOCOMOTIVES; MOTOR RAILCARS
    • B61C17/00—Arrangement or disposition of parts; Details or accessories not otherwise provided for; Use of control gear and control systems
    • B61C17/04—Arrangement or disposition of driving cabins, footplates or engine rooms; Ventilation thereof
    • 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
    • F23L17/00—Inducing draught; Tops for chimneys or ventilating shafts; Terminals for flues
    • F23L17/02—Tops for chimneys or ventilating shafts; Terminals for flues

Definitions

  • the invention relates charge of products of combustion and hasmore particular reference to a construction designed to stacks for the disfor use on low one-story structures stance, as automobile trailers.
  • Fig. 1 is a vertical central section through my improved stack
  • Fig. 2 is a top plan view thereof
  • Fig. 3 is a vertical central section through the portion of the stack passing through the roof and showin the thermal insulation for the same;
  • Fig. 4 is a cross section on line 4-4, Fig. 3.
  • A is a substantially cylindrical stack extending upward above the roof of the building.
  • B is a conical cap which is connected to and spaced from the upper end of the stack A by strips 0, said cap extending radially beyond the member A to form protecting eaves.
  • D is a cylindrical sleeve surrounding and spaced from the stack A being connected thereto by vertically extending webs or bracket members E. The sleeve D extends above the cave portions B of the cap B and is then provided with an inwardly contracting conical portion F which extends above the apex of said conical cap. At its lower end the sleeve with an annular bead G for imparting rigidity thereto.
  • a conical flange H which surrounds and is secured to the stack A.
  • conical flange I At the upper end flaring conical flange I.
  • the portion of the stack passing through the roof is surrounded by a second sleeve J which is open at its lower end to the interior of the house while its upper end extends adjacent to a conical flange H terminating in an outwardly flaring portion K.
  • a depending flange L at the, end of the flange H overlaps the flange K while leaving a suflicient air passage for the escape of air from the space between the sleeve and the stack.
  • any down draft current through the stack is effectually pre vented.
  • any external air current which may enter through the contracted top of the sleeve B will be directed downward outside of the eaves portion B and will escape through the open such, .for in- ,5: such current away from the stack so as to lower end of the sleeve;
  • any external current strikin against. the. conical flange H will be directed upward through the sleeve D, while the flaring flange I will direct the open upper end of pass outside of the eaves por tron B" escaping through the top.
  • the conical flange H, flaring flange I and contracting conical flange F cooperate with each other to normally cause any laterally directed air current to pass in an upward direction through the sleeve D thereby constituting an ejector which draws gas outward from the top of the stack instead of permitting any inward movement thereof.
  • a stack comprising a cylindrical portion extending upward above the roof of the building, a conical cap spaced above and secured to said cylindrical portion to extend radially beyond the same forming projecting eaves, a cylindrical sleeve surrounding and spaced from said cylindrical portion to overlap and extend parallel thereto for a large portion of its length being also spaced from the outer edge of the eaves portion of said cap and extending above the same, said sleeve being open at its lower end, an outwardly flaring flange at the upper end of said cylindrical portion.
  • a conical contracting portion at the upper end of said sleeve extending above the apex of said conical cap, a conical flange surrounding said cylindrical portion below the lower end of said sleeve for directing current upward through the latter, a second sleeve surrounding the portion of said cylindrical portion which passes through the roof and forming a heat insulation for the latter, said second sleeve extending upward beneath said last mentioned conical flange and spaced therefrom for the escape of air therethrough.
  • a stack comprising a cylindrical portion extending upward above the roof of the building, a conical cap spaced above and secured to said cylindrical portion to extend radially beyond the same formin projecting eaves,
  • said 2,437,771- 3 sleeve being open at its lower end, an outwardly Number flaring flange at the upper end of said cylindrical 21,884 portion for directing any upward current in the 152,994 sleeve outward beyond said eaves, a conical con- 230,483 tracting portion at the upper end of said sleeve 5 476,682 extending above the apex of said conical cap, a 567,775 conical flange surrounding said cylindrical por- 594,877 tion below the lower end of said sleeve for direct- 879,987 ing current upward through the latter, a second 898,855 sleeve surrounding the portion of said cylindrical 891,485 portion which passes through the roof and form- 911, ing a heat insulation for the latter, said second 1, 2 sleeve extending upward beneath said last men- 1,32 47 tioned con

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Transportation (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Duct Arrangements (AREA)

Description

arch 16, 1948. Q E WAIT 2,437,771 STACK Filed Dec. 6, 1943 2 Sheets-Sheet l FIGJ.
INVENTOR. CLYD E F. WAIT ATTORNEYS C. F. WAIT March 16, 1948.
STACK Filed Dec. 6, 1943 2 SheetsSheet 2 IFIG.4.
INVENTOR. CLYDE F. WAIT #uJM-MYM AT TOR NEYS Patented Mar. 16, 1948 TES F Corporation, Flint, Mich.
Michigan a. corporation of" Application December 6, 1943; Serial No. 513,081
(Cl. il -84) 2 Claims.
The invention relates charge of products of combustion and hasmore particular reference to a construction designed to stacks for the disfor use on low one-story structures stance, as automobile trailers.
It is the primary object of the invention to guard against down drafts Which frequently occur with constructions heretofore used and which with a heater using a gas or oil flame may extlnguish the same. With this object in View the invention consists in the construction as hereinafter set forth.
In the drawings:
Fig. 1 is a vertical central section through my improved stack;
Fig. 2 is a top plan view thereof;
Fig. 3 is a vertical central section through the portion of the stack passing through the roof and showin the thermal insulation for the same; and
Fig. 4 is a cross section on line 4-4, Fig. 3.
As illustrated in Fig. 1, A is a substantially cylindrical stack extending upward above the roof of the building. B is a conical cap which is connected to and spaced from the upper end of the stack A by strips 0, said cap extending radially beyond the member A to form protecting eaves. D is a cylindrical sleeve surrounding and spaced from the stack A being connected thereto by vertically extending webs or bracket members E. The sleeve D extends above the cave portions B of the cap B and is then provided with an inwardly contracting conical portion F which extends above the apex of said conical cap. At its lower end the sleeve with an annular bead G for imparting rigidity thereto. Below and spaced from the lower end of the sleeve D is a conical flange H which surrounds and is secured to the stack A. At the upper end flaring conical flange I. The portion of the stack passing through the roof is surrounded by a second sleeve J which is open at its lower end to the interior of the house while its upper end extends adjacent to a conical flange H terminating in an outwardly flaring portion K. A depending flange L at the, end of the flange H overlaps the flange K while leaving a suflicient air passage for the escape of air from the space between the sleeve and the stack.
With the construction as described any down draft current through the stack is effectually pre vented. Thus, any external air current which may enter through the contracted top of the sleeve B will be directed downward outside of the eaves portion B and will escape through the open such, .for in- ,5: such current away from the stack so as to lower end of the sleeve; On the'other hand, any external current strikin against. the. conical flange H will be directed upward through the sleeve D, while the flaring flange I will direct the open upper end of pass outside of the eaves por tron B" escaping through the top. The conical flange H, flaring flange I and contracting conical flange F cooperate with each other to normally cause any laterally directed air current to pass in an upward direction through the sleeve D thereby constituting an ejector which draws gas outward from the top of the stack instead of permitting any inward movement thereof.
This construction of stack has been thoroughly tested under various conditions of the external atmosphere and in every case has prevented the formation of any down current through the portion A.
What I claim as my invention is:
1. A stack comprising a cylindrical portion extending upward above the roof of the building, a conical cap spaced above and secured to said cylindrical portion to extend radially beyond the same forming projecting eaves, a cylindrical sleeve surrounding and spaced from said cylindrical portion to overlap and extend parallel thereto for a large portion of its length being also spaced from the outer edge of the eaves portion of said cap and extending above the same, said sleeve being open at its lower end, an outwardly flaring flange at the upper end of said cylindrical portion. for directing any upward current in the sleeve outward beyond said eaves, a conical contracting portion at the upper end of said sleeve extending above the apex of said conical cap, a conical flange surrounding said cylindrical portion below the lower end of said sleeve for directing current upward through the latter, a second sleeve surrounding the portion of said cylindrical portion which passes through the roof and forming a heat insulation for the latter, said second sleeve extending upward beneath said last mentioned conical flange and spaced therefrom for the escape of air therethrough.
2. A stack comprising a cylindrical portion extending upward above the roof of the building, a conical cap spaced above and secured to said cylindrical portion to extend radially beyond the same formin projecting eaves,
spaced from the outer edge of the eaves portion of said cap and extending above the same, said 2,437,771- 3 sleeve being open at its lower end, an outwardly Number flaring flange at the upper end of said cylindrical 21,884 portion for directing any upward current in the 152,994 sleeve outward beyond said eaves, a conical con- 230,483 tracting portion at the upper end of said sleeve 5 476,682 extending above the apex of said conical cap, a 567,775 conical flange surrounding said cylindrical por- 594,877 tion below the lower end of said sleeve for direct- 879,987 ing current upward through the latter, a second 898,855 sleeve surrounding the portion of said cylindrical 891,485 portion which passes through the roof and form- 911, ing a heat insulation for the latter, said second 1, 2 sleeve extending upward beneath said last men- 1,32 47 tioned conical flange and having an outwardly 1, 54, flaring flange beneath and slightly spaced from 1,586,653 said conical flange, and said conical flange hav- 9 ing a depending flange surrounding said flaring 2,0 1 flange, 2,080,476 CLYDE F. WAIT. 2,163,077 2,363,733 REFERENCES CITED The following references are of record in the file of this patent: g g UNITED STATES PATENTS 170,722 451 385 Number Name Date 13,772 Davies Nov. 6, 1855 4 Name Date Kihlholz Oct. 26, 1858 Hinckley et a1 July 14, 1874 LAmoureux July 27, 1880 Pancoast June 7, 1892 Watson Sept. 15, 1896 Hunt Dec. 7, 1897 Thompson Feb. 25, 1908 Evans Sept. 15, 1908 Leitch June 23, 1908 Knauss Feb. 2, 1909 Reenstrom Aug. 25, 1914 Carl Jan. 20, 1920 Redgate Oct. 5, 1920 Davis June 1, 1926 Clay Jan. 3, 1933 Heppenstall Jan. 26, 1937 Heppenstall May 18, 1937 Wilson June 20, 1939 Karol Nov. 28, 1944 FOREIGN PATENTS Country Date Great Britain 1884 Switzerland Oct. 16, 1934 Great Britain Aug. 5, 1936
US513081A 1943-12-06 1943-12-06 Stack Expired - Lifetime US2437771A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2640413A (en) * 1951-05-21 1953-06-02 Us Army Draft diverter
US2856837A (en) * 1955-06-10 1958-10-21 Robert K Thulman Chimney top
US2976797A (en) * 1958-09-22 1961-03-28 William S Newbill Chimney construction

Citations (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US13772A (en) * 1855-11-06 Chimney-cap
US21884A (en) * 1858-10-26 Chimney-cap
US152994A (en) * 1874-07-14 Improvement in combined ventilators and chimneys
US230483A (en) * 1880-07-27 l amoureux
US476682A (en) * 1892-06-07 Ventilator or oh imney-cowl
US567775A (en) * 1896-09-15 Chimney-top
US594877A (en) * 1897-12-07 James w
US879987A (en) * 1907-02-25 1908-02-25 Everett E Thompson Stove-flue.
US891485A (en) * 1908-04-11 1908-06-23 Virginia Blower & Mfg Company Inc Stationary ejector-ventilator.
US898855A (en) * 1904-06-09 1908-09-15 Powell Evans Ventilator.
US911541A (en) * 1908-04-14 1909-02-02 Tubular Heating & Ventilating Company Ventilator.
US1108234A (en) * 1914-05-07 1914-08-25 Walter Reenstrom Smoke-jack.
US1328647A (en) * 1917-03-13 1920-01-20 Carl Reinhold Adolph Combination-flue
US1354623A (en) * 1920-02-20 1920-10-05 George M Redgate Vent-head
US1586658A (en) * 1925-05-21 1926-06-01 Davis Irwin Suction ventilator
US1893272A (en) * 1930-05-26 1933-01-03 Clay Equipment Corp Combination ventilator and smoke pipe
CH170722A (en) * 1933-10-14 1934-07-31 Arm Pahud & Cie Fumivorous.
GB451385A (en) * 1935-09-23 1936-08-05 Hans Vaterlaus Improved cowl for chimneys ventilation shafts and the like
US2068916A (en) * 1934-02-05 1937-01-26 Robertson Co H H Ventilator
US2080476A (en) * 1933-11-07 1937-05-18 Robertson Co H H Ventilator
US2163077A (en) * 1938-01-31 1939-06-20 Lavett S Wilson Ventilator
US2363733A (en) * 1941-08-15 1944-11-28 Karol Josef Ventilator

Patent Citations (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US13772A (en) * 1855-11-06 Chimney-cap
US21884A (en) * 1858-10-26 Chimney-cap
US152994A (en) * 1874-07-14 Improvement in combined ventilators and chimneys
US230483A (en) * 1880-07-27 l amoureux
US476682A (en) * 1892-06-07 Ventilator or oh imney-cowl
US567775A (en) * 1896-09-15 Chimney-top
US594877A (en) * 1897-12-07 James w
US898855A (en) * 1904-06-09 1908-09-15 Powell Evans Ventilator.
US879987A (en) * 1907-02-25 1908-02-25 Everett E Thompson Stove-flue.
US891485A (en) * 1908-04-11 1908-06-23 Virginia Blower & Mfg Company Inc Stationary ejector-ventilator.
US911541A (en) * 1908-04-14 1909-02-02 Tubular Heating & Ventilating Company Ventilator.
US1108234A (en) * 1914-05-07 1914-08-25 Walter Reenstrom Smoke-jack.
US1328647A (en) * 1917-03-13 1920-01-20 Carl Reinhold Adolph Combination-flue
US1354623A (en) * 1920-02-20 1920-10-05 George M Redgate Vent-head
US1586658A (en) * 1925-05-21 1926-06-01 Davis Irwin Suction ventilator
US1893272A (en) * 1930-05-26 1933-01-03 Clay Equipment Corp Combination ventilator and smoke pipe
CH170722A (en) * 1933-10-14 1934-07-31 Arm Pahud & Cie Fumivorous.
US2080476A (en) * 1933-11-07 1937-05-18 Robertson Co H H Ventilator
US2068916A (en) * 1934-02-05 1937-01-26 Robertson Co H H Ventilator
GB451385A (en) * 1935-09-23 1936-08-05 Hans Vaterlaus Improved cowl for chimneys ventilation shafts and the like
US2163077A (en) * 1938-01-31 1939-06-20 Lavett S Wilson Ventilator
US2363733A (en) * 1941-08-15 1944-11-28 Karol Josef Ventilator

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2640413A (en) * 1951-05-21 1953-06-02 Us Army Draft diverter
US2856837A (en) * 1955-06-10 1958-10-21 Robert K Thulman Chimney top
US2976797A (en) * 1958-09-22 1961-03-28 William S Newbill Chimney construction

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