US1659456A

US1659456A - Coal-saving attachment for furnaces

Info

Publication number: US1659456A
Application number: US38639A
Authority: US
Inventors: John T Brown
Original assignee: Individual
Current assignee: Individual
Priority date: 1925-06-22
Filing date: 1925-06-22
Publication date: 1928-02-14
Anticipated expiration: 1945-02-14

Description

Feb. 14, 1928.

J. T. BROWN COAL SAVING ATTACHMENT FOR FURNACES Filed June 22, 1925 ATTORNEY R O N E V m Patented Feb. 14, 1928.

JOHN '1. BROWN; or nnoonrnnaw YORK; I

COAL-SAVING n'rmcnmnum non. FURNACES.

A ncauoa'nieeaun ae, 1925. Serial 1%. 38,839..

This invention relates to improvements in furnaces, particularly apartment house furnaces, or the like, and it is the principal object of the invention to provide a so'called self-feeder, in which the coal provides a gastight closure or seal, thus avoidin -a11 (lan ger of asphyxiation especially by the gas es caping during the feeding of the furnace.

Another object of the'invention isthe provision of a coal feeder magazine which is kept filled and from which the coal is automatically fed to the grate.

A further object of the invention is the provision of anair-tight coal seal for furnaces, preventing the draught from driving the coal gas into the feeder, thus avoiding all danger connected with the, feedingof the furnace. I

A still further object of the invention is, j the provision ofa furnace with a coal magazine and adjustable chute connected therewith for feeding-the coal to the grate and for pro'vidinga gas-tight seal by the falling or feed coal itself.

These and other objects and advantages of my invention will become more fully apparent as the description thereof proceeds, and will thenbe more specifically defined in the appended claims.

In the accompanying drawingforming amaterial part of this disclosure:

Fig. 1 is a front elevation of a furnace with a portion thereof broken away disclosing certain interior parts of the furnace, and having a coal magazine,constructed according to the invention, mounted therein.

Fig. 2 is a detail view of a chute. Fig. 3 is a detail side elevation thereof, 11-

v lustrating the adjustability of the chute.

Fig. i is a sectional detail View ofa modification of the chute.

The furnace 10 has mounted therein, a coal magazine 11 for the reception of the coal 12, and equipped with a cover 13 hinged to the front of the furnace, and a chute 14 through which the coal is fed from the magazine 11 to the grate 15. The chute 14 has a lining 16 of fire clay, and upper converging sides 17 preferably also lined with fire-proof material 16. These sides are adapted to be bolted to the chute 14, as indicated at 18, or secured thereto in any ap-. propriate manner. A plurality of openings 19 in the sides 17 engageable by bolts to the chute, permit an adjustment of these sides within certain limits, to better accommodate the interior of the furnace.

In Fig. 4 a modified form of chute'20 is" illustrated having the walls ofits body held together or braced by means of the turnbuckle arrangement 21while the upper converging sides 22 are made integrally with a the chute and a strengthening rib 23 is pro vided at the point of junction between the sides and chute and the ends of the strengthennlg'ribs 2&- permit o-fsuitably supporting the chute tothe furnace 10 to hold it in place against displacement, The chute 20 comprises an upper "hopper provided by them: verging walls 22 and a lower adjustable discharge nozzle comprising the spaced side and

end Walls

25 and 26 respectively. Each side wall 25 of the nozzle portion is provided with an end wall section 26 which is disposed substantially at right angles to the plane of the sidewalls 25. The end wall sections of one side member 25 are positioned in telescoping relation to the endwall sections of the other side member as illustrated in Fig. 4 and these side members are retained in spaced relation by the fuel as it passes through the passage formed by the sides 25 and the ends 26 and by the turnbuckle. When it is desired to reduce the size of this passage the side elements 25 may be drawn closer together by adjustment of the turn buckles.

A door 24. at the front of the furnace allows the removal ofthe ashes, etc, and cleaning doors 25,0'1' inspection and draught regulz'itiondoors may bearranged as shown, in any desired and required manner.

It will be clear that if the magazine is filled with coal the same will produce an air-tight seal because the coal will be fed successively to the grate and will not burn before it reaches the same under its own weight. The weight of the coal will pack the same tightly andprevent the gas from escaping from the furnace, otherwise than through the fines provided for this purpose.

The coal will be gradually consumed and the burnt coal will make room for more coal falling through the chute. Thus any danger of asphyxiation'by gas entering the magazine during the feeding operation is positively avoided and the coal may be fed at any time without danger.

It is to be understood that such changes in the construction of the furnace as come within the scope of the appended claims, without departure from the spirit of the invention and the principle involved.

Having thus described my invention, what ll claim as new, and desire to secure by Letters Patent, is:

1. In a device of the class described, a fuel hopper comprising converging sides, a fuel 'dlscharge nozzle comprising substantially vertical sides made integral with the converging sides of said hopper, end sections 7 on said vertical sides substantially perpendicular to the plane thereof, the end sections of one of said sides being positioned in telescoping relation to the end sections ofthe other side of said nozzle, and means comprising turnbuckles secured at their extremities for retaining said sides at a predetermined distance apart.

2. In a device of the class described, a fuel feeder comprising an upper hopper having converging sides, a lower discharge nozzle comprising substantially vertical sides integral with the converging sides of said fuel hopper, end flanges on the extremities of the sides of said nozzle disposed substantially at right angles thereto, the end flanges of one of said sides being positioned in telescoping relation to the end flanges of the other side of said nozzle, and adjustable means comprising a turnbuckle for varying the distance between said sides for suitably.

ing a turnbuckle for predetermining the distance between said sides for varying the size of the passage therebetween. I

In testimony whereof Ihave affixed my signature. 1 r a I JOHN T. BROWN.