US1454561A - Chimney draft device - Google Patents

Chimney draft device Download PDF

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Publication number
US1454561A
US1454561A US464947A US46494721A US1454561A US 1454561 A US1454561 A US 1454561A US 464947 A US464947 A US 464947A US 46494721 A US46494721 A US 46494721A US 1454561 A US1454561 A US 1454561A
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Prior art keywords
chimney
rotor
spiral
secured
fan
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Expired - Lifetime
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US464947A
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Prat Georges Jules
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    • 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
    • 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
    • F23L2700/00—Installations for increasing draught in chimneys; Specific draught control devices for locomotives
    • F23L2700/001—Installations for increasing draught in chimneys

Definitions

  • This invention has for its object to facilitate the mounting and dismounting of the rotors of fans employed for producing mechanical draft in chimneys.
  • the inven. tion is characterized by the discharge-spiral of the fan being secured, on the outside or on the inside, to the wall of the chimney,
  • This frame is also adapted to carry the mechanism through which the drive is transmitted to the rotor.
  • Figure 1 is a sectional elevation of the base of the chimney stack in which the fan is mounted; and Figure 2 a partial view shewing the rotor dismounted.
  • Vhat I claim is: '1.
  • a chimney In combination, a chimney, a discharge spiral secured in said chimney, a fan rotor arranged in said spiral, and means wholly supporting said rotor independently of said chimney.
  • Tn combination a chimney, a discharge spiral secured in said chimney, a fan rotor arranged in said spiral, and means arranged externally of said chimney and wholly supporting said rotor independently of said chimney.
  • a chimney In combination, a chimney, a discharge spiral secured in said chimney, and a rotor movable axially through the spiral.
  • a chimney, a rotor ar ranged in said chimney, stationary slides arranged externally of said chimney, and cured to said chimney and arranged at one supporting means for said rotor movably side of the rotor to provide a closed joint mounted in said slides whereby said rotor between the latter and said chimney, and 10 may be withdrawn from said chimney.
  • a chimney, a spiral of said ring In combination, a chimney, a spiral of said ring.
  • a fan rotor located in said chimney, a fan rotor ar- In testimon whereof I afiix my signature.

Description

May 8, 1923. I
G. J. PRAT CHIMNEY DRAFT DEVICE Filed April 27. 1921 Patented May 8, 1923.,
i matter GEORGES JULES FEAT, OF PARIS, FRANCE.
CHIMNEY DRAFT DEVICE.
Application filed April 27, 1921. Serial No. 464,947.
To all whom it may concern:
Be it known that I, Gnonons JULns PHAT, citizen of the Republic of France, residing at Paris, France, 146 Avenue des Champs Elysees, have invented certain new and useful Improvements in Chimney Draft Devices, of which the following is a specification.
This invention has for its object to facilitate the mounting and dismounting of the rotors of fans employed for producing mechanical draft in chimneys. The inven. tion is characterized by the discharge-spiral of the fan being secured, on the outside or on the inside, to the wall of the chimney,
and the rotor and its shaftsupported on a frame which is movable in relation to the chimney. This frame is also adapted to carry the mechanism through which the drive is transmitted to the rotor.
The invention is illustrated in the accompanying drawings wherein Figure 1 is a sectional elevation of the base of the chimney stack in which the fan is mounted; and Figure 2 a partial view shewing the rotor dismounted.
The collector or delivery spiral b of the fan for producing the draft-either by suction or ejector action-is secured permanently in the wall a of the chimney. The rotor 0, provided with vanes g, is supported by a frame (Z, which is preferably guided on slides e secured to the ground. This frame bears against the wall a of the chimney, the joint being secured by a flanged ring 7 by means of bolts, or in any other similar way, the rotor then occupying its proper po. i-' tion within the spiral.
As is known. the spiral of a fan needs but little attention whereas the rotor, together with its vanes and other moving parts, often needs frequent inspection and repair. My invention enables these opera tions to be performed without having to undertake the delicate task of dismounting the entire fan in relation to the chimney as, all that is necessary to get at the rotor, is to release the bolts, or other means by which the ring 7 is secured, and the bolts which fasten the frame on the slides, and to withdraw the rotor from operative position I am aware that rotary fans have already been constructed in which the rotor is independent from the casing and is adapted to be withdrawn therefrom but what I consider novel is the assemblage of the discharge spiral of such a fan in the wall of a chimney with mechanical draft.
Vhat I claim is: '1. In combination, a chimney, a discharge spiral secured in said chimney, a fan rotor arranged in said spiral, and means wholly supporting said rotor independently of said chimney. I
2. In combination, a chimney, a discharge spiral secured in said chimney, a fan rotor arranged in said spiral, and means Wholly supporting said rotor independently of said chimney and permitting withdrawal of said rotor from said spiral.-
Tn combination, a chimney, a discharge spiral secured in said chimney, a fan rotor arranged in said spiral, and means arranged externally of said chimney and wholly supporting said rotor independently of said chimney.
4:. In combination, a chimney, a discharge spiral secured in said chimney, a fan rotor arranged in said spiral,'and means arranged externally of said chimney and wholly supporting said rotor independently of said chimney and permitting withdrawal of said rotor from said spiral. 1
In combination, a chimney, a discharge spiral secured in said chimney, and a rotor movable axially through the spiral.
6. In combination, a chimney, a discharge spiral secured in said. chimney, afan rotor arranged in said. spiral. and means'wholly supporting said rotor independently of said chimney. and permitting the axial withdrawal of said rotor from said spiral.
'7. In combination, a chimney, a rotor ar ranged in said chimney, stationary slides arranged externally of said chimney, and cured to said chimney and arranged at one supporting means for said rotor movably side of the rotor to provide a closed joint mounted in said slides whereby said rotor between the latter and said chimney, and 10 may be withdrawn from said chimney. means supporting said rotor independently 8. In combination, a chimney, a spiral of said ring.
located in said chimney, a fan rotor ar- In testimon whereof I afiix my signature.
ranged in said spiral, a ring removably seiEORGES JULES PRAT.
US464947A 1921-04-27 1921-04-27 Chimney draft device Expired - Lifetime US1454561A (en)

Priority Applications (1)

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US464947A US1454561A (en) 1921-04-27 1921-04-27 Chimney draft device

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US464947A US1454561A (en) 1921-04-27 1921-04-27 Chimney draft device

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US1454561A true US1454561A (en) 1923-05-08

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4142828A (en) * 1976-06-04 1979-03-06 Mitsubishi Jukogyo Kabushiki Kaisha Openable rotor chamber construction for a vertical blower

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4142828A (en) * 1976-06-04 1979-03-06 Mitsubishi Jukogyo Kabushiki Kaisha Openable rotor chamber construction for a vertical blower

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