US235263A - Stove-pipe damper - Google Patents

Stove-pipe damper Download PDF

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Publication number
US235263A
US235263A US235263DA US235263A US 235263 A US235263 A US 235263A US 235263D A US235263D A US 235263DA US 235263 A US235263 A US 235263A
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Prior art keywords
stove
rod
pipe
damper
plates
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J13/00Fittings for chimneys or flues 

Definitions

  • My invention is an improvement in the class of stove-pipe dampers which are made in two circular parts or pieces separated by a narrow space and secured to the same turning-rod.
  • Figure 1 is a plan view of my damper.
  • Fig. 2 is a sectional view of damper and a fragment of a stovepipe in which it is arranged for use.
  • Fig. 3 is an edge view of the damper-plates, the turning-rod being in section.
  • My damper consists of two partsto wit, the disks or circular plates A B, which are attached to the turning-rod (J and arranged parallel, but separated by'a narrow space.
  • the plate A is of greater diameter than plate B, and has an opening, a, in its center.
  • the plate B is imperforate.
  • These plates have each two square perforated lugs, which not only serve as means of attachment to the rod 0, but also hold the plates separated and parallel, as shown.
  • the lugs I) of plate A are beveled on their outer sides, and the lugs b of plate (No model.)
  • the rod 0 is squared or made polygonal where it passes through the lugs b b that are nearest the thumb-piece, and an enlargement, d, is also provided to prevent the rod from slidingin its bearings in the stove-pipe.
  • Thedamper retards but does not prevent the passage of smoke or products of combustion, as shown by arrows, even when adjusted transversely of the stove-pipe D, yet the heat is mainly deflected laterally and radiated from the pipe, so that it is utilized as fully as practicable with a given length of pipe.

Description

(No Model.)
' W. G. LINDSAY.
Stovepipe Damper.
No. 235,263. Patented Dec. 7,1880.
I 2. l 5 \\:\L Q
1L! 1 I 1 I I 1 III]- I .3,
WITNESSES INVENTOR ATTORNB um fm -N.FETERS, FHOTO-LITHbGNAPHEE WASHINGTON. D C.
UNITED STATES PATENT OFFICE.
WILLIAM G. LINDSAY, OF \VINNECONNE, WISCONSIN.
STOVE-Pl PE DAM PER.
SPECIFICATION forming part of Letters Patent No. 235,263, dated December '7, 1880.
To all whom it may concern:
Be it known that I, WILLIAM G. LINDSAY, of Winneconne, in the county of Winnebago and State of Wisconsin, have invented a new and useful Improvement in Stove-Pipe Dampers; and I do hereby declare that the following is a full, clear, and exact description of the same.
' My invention is an improvement in the class of stove-pipe dampers which are made in two circular parts or pieces separated by a narrow space and secured to the same turning-rod.
The improvement consists in the construction and arrangement of parts as herein described and claimed.
In accompanying drawings, Figure 1 is a plan view of my damper. Fig. 2 is a sectional view of damper and a fragment of a stovepipe in which it is arranged for use. Fig. 3 is an edge view of the damper-plates, the turning-rod being in section.
My damper consists of two partsto wit, the disks or circular plates A B, which are attached to the turning-rod (J and arranged parallel, but separated by'a narrow space. The plate A is of greater diameter than plate B, and has an opening, a, in its center. The plate B is imperforate. These plates have each two square perforated lugs, which not only serve as means of attachment to the rod 0, but also hold the plates separated and parallel, as shown. The lugs I) of plate A are beveled on their outer sides, and the lugs b of plate (No model.)
B on their inner sides, and the former, b, are so located as to pass between the latter, so that their beveled surfaces are in firm contact, and the plates are thereby prevented from lateral movement on each other.
The rod 0 is squared or made polygonal where it passes through the lugs b b that are nearest the thumb-piece, and an enlargement, d, is also provided to prevent the rod from slidingin its bearings in the stove-pipe. Thedamper retards but does not prevent the passage of smoke or products of combustion, as shown by arrows, even when adjusted transversely of the stove-pipe D, yet the heat is mainly deflected laterally and radiated from the pipe, so that it is utilized as fully as practicable with a given length of pipe.
What I claim as new is 1. The combination of the plates A B, having, respectively, square perforated lugs I) b, and the turning-rod 0, having a polygonal part, as shown and described.
2. The combination, with rod 0, of the plates A B, provided, respectively, with lugs b b, which are beveled on their contact sides and arranged as specified, so as to wedge together, as shown and described.
The above specification of my invention signed by me this 28th day of February, 1880.
WILLIAM G. LINDSAY. Witnesses:
HENRY It. HIGGINS, U. T. ALLEN.
US235263D Stove-pipe damper Expired - Lifetime US235263A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4279629A (en) * 1980-02-14 1981-07-21 Simms Donald S Fire prevention filter for chimneys and the like
US5795520A (en) * 1994-08-29 1998-08-18 International Business Machines Corporation Method for in-situ green sheet slitting
US20040069069A1 (en) * 2002-01-23 2004-04-15 Gysling Daniel L. Probe for measuring parameters of a flowing fluid and/or multiphase mixture

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4279629A (en) * 1980-02-14 1981-07-21 Simms Donald S Fire prevention filter for chimneys and the like
US5795520A (en) * 1994-08-29 1998-08-18 International Business Machines Corporation Method for in-situ green sheet slitting
US6521153B1 (en) 1994-08-29 2003-02-18 International Business Machines Corporation Method for in-situ green sheet slitting
US20040069069A1 (en) * 2002-01-23 2004-04-15 Gysling Daniel L. Probe for measuring parameters of a flowing fluid and/or multiphase mixture

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