US175375A - Improvement in automatic heat-regulators for furnaces - Google Patents

Improvement in automatic heat-regulators for furnaces Download PDF

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US175375A
US175375A US175375DA US175375A US 175375 A US175375 A US 175375A US 175375D A US175375D A US 175375DA US 175375 A US175375 A US 175375A
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furnaces
tube
regulators
rod
improvement
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/0046—Sequential or parallel reactions, e.g. for the synthesis of polypeptides or polynucleotides; Apparatus and devices for combinatorial chemistry or for making molecular arrays
    • 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

Definitions

  • wamissis l CQ W@ N. PETERS.
  • the air-current also causes a quicker action of the contracting ⁇ part when the heat of the furnace fa-lls, and thus makes the regulator more sensitive.
  • the air will vbe taken from outside of the building to utilize the variations of the exterior temperature, to facilitate the responsive action of the regulator to the requirements of colder or warmer weather.
  • My invention also consists of the inclosed rod having radial iianges or studs, in combination with the incl'osing-tube for centering it in said tube, so that the current of air passing through the tube will circulateall around it.
  • Figure l is a longitudinal sectional elevation of my improved regulator, the section being taken on line ma'.
  • Fig. 2 is a trailsverse section on line y y of Fig. l.
  • Fig. 3 is a front elevation of the indicator of the regulator, and
  • Fig. 4 is a transverse section on line y y.
  • A is the expanding and contracting tube for working the regulating-lever B with the variations of the heat.
  • D is the inclosed rod, which is required not to expand.
  • This rod I 110W propose to arrange inside of tube A, which I make enough larger than the rod to afford ample space for a current of air wholly surrounding the ro'd, and provide inlet-openings at ⁇ E, and a draft flue or tube at F, to effect the circulation, the inlet and draft flue being in communication With the exterior atmosphere, while the rod and the tube arel mostly *located Within the heating-chamber of the furnace.
  • the inclosed rod will, when arranged to push, be made of a number of short sections of different lengths; to facilitate the filling of the regulators to furnaces of different sizes without having to cut the rods when pulling them up; 'but when made to pull it will be made of one piece.
  • the tube F may connect with the chimney, for facilitating the draft or not, as preferred.
  • J is a cap for connection to the outside of' the furnace-wall, for the support of the tube D, the air-inlets being made in it, and it supports an adjusting-screw, L, for setting the rod to alter the regulator, as may be required, from time to time.
  • This screw also carries a pointer or index-finder, M, in connection with the dial N on cap O, by which to set the screw to any required position.
  • N is a keeper, for the support of the tube at the other side of the furnace.
  • the regulator is arranged horizontally' across the hotair chamber of the furnace, extending through the walls at the cup and the keeper.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Description

A. C. N'ORCROSS. AUTOMATIC HEAT REGULATOR Fon FURNACE.
B'atenz'ed mmh ze, l1-8'1-6..
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ATTORNEYS.
wamissis: l CQ W@ N. PETERS. PHOTO-LITHOGRAPHER WASH ALVIN C. NORCROSS, 'OF BOSTON, MASSACHUSETTS.
IMPROVEMENT IN AUTOMATIC HEAT-REGULATORS FOR FURNACES.
Specication forming part of Letters Patent No. 175,375, dated March 28, 1876; application led October 16, 1875.
To all whom it may concern Be it known that I, ALVIN O. N ORGROSS, of Boston, in the county of Suffolk and State of Massachusetts, have invented a new and Improved Automatic Heat-Regulator for Furnaces, of which the following is a specifica- My invention relates to automatic regulators for furnaces, consisting of one expanding and contracting part and another non-expand,- ing, or comparatively non-expanding, part, so placed in the furnace as to be subject to the heat of the furnace for Working the regulator by the expanding and contracting part as the heat rises and falls; and the invention consists of the part which is not required to expand located within a tubular expanding part having provision for a current ot' air to flow through it from outside of the furnace to keep the other part from heating, the object being to enable a metal rod of ordinary expanding and contracting qualities to be used where a substance ot' non-expanding properties has been heretofore required.
The air-current also causes a quicker action of the contracting` part when the heat of the furnace fa-lls, and thus makes the regulator more sensitive.
The air will vbe taken from outside of the building to utilize the variations of the exterior temperature, to facilitate the responsive action of the regulator to the requirements of colder or warmer weather.
My invention also consists of the inclosed rod having radial iianges or studs, in combination with the incl'osing-tube for centering it in said tube, so that the current of air passing through the tube will circulateall around it.
Figure lis a longitudinal sectional elevation of my improved regulator, the section being taken on line ma'. Fig. 2 is a trailsverse section on line y y of Fig. l. Fig. 3 is a front elevation of the indicator of the regulator, and Fig. 4 is a transverse section on line y y.
Similar letters of reference indicate corresponding parts.
Ais the expanding and contracting tube for working the regulating-lever B with the variations of the heat. D is the inclosed rod, which is required not to expand. This rod I 110W propose to arrange inside of tube A, which I make enough larger than the rod to afford ample space for a current of air wholly surrounding the ro'd, and provide inlet-openings at `E, and a draft flue or tube at F, to effect the circulation, the inlet and draft flue being in communication With the exterior atmosphere, while the rod and the tube arel mostly *located Within the heating-chamber of the furnace.
In order to maintain the rod in the center of the tube, so that it shall be exposed alike on all. sides to the air, I provide the rod with radial studs or dan ges G, which keep it in the middle, as shown. Y
In practice, the inclosed rod will, when arranged to push, be made of a number of short sections of different lengths; to facilitate the filling of the regulators to furnaces of different sizes without having to cut the rods when pulling them up; 'but when made to pull it will be made of one piece.`
The tube F may connect with the chimney, for facilitating the draft or not, as preferred.
J is a cap for connection to the outside of' the furnace-wall, for the support of the tube D, the air-inlets being made in it, and it supports an adjusting-screw, L, for setting the rod to alter the regulator, as may be required, from time to time. This screw also carries a pointer or index-finder, M, in connection with the dial N on cap O, by which to set the screw to any required position.
N is a keeper, for the support of the tube at the other side of the furnace. The regulator is arranged horizontally' across the hotair chamber of the furnace, extending through the walls at the cup and the keeper.
Having thus described my invention, I claim as new and desire to secure by Letters Patent- 1. The combination of expanding-tube A, non-expanding rod D, intermediate air-channel E, and a tube, F, forming a draft-flue, as and for the purpose specific( 2. The regulating-rod, having the radial studs G, in combination with the inclosingtube, substantially as specilied.
ALVIN O. NORUROSS. Witnesses:
T. B. MosHER,
ALEX. F. ROBERTS.
US175375D Improvement in automatic heat-regulators for furnaces Expired - Lifetime US175375A (en)

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