US70927A

US70927A - whittemoke

Info

Publication number: US70927A
Authority: US
Publication date: 1867-11-12
Anticipated expiration: 1884-11-12

Description

A. s. WHITTEMORE/ Chimney.

Patented Nov. 12, 1867-.

N. PETERS. Phaic-Lilhogmphar, Washington. a c.

@eitrhtatzs gaunt ffirr.

substantially as and for the purpose set forth.

GHIMNEYS.

at: fiflgzhnlr trams in in time Eaters $8M zmh mating gm ntttge same.

TO ALL WHOM IT MAY CONCERN:

Be it known that I, A. S. WHITTEMORE, oi Willimantic, in the county of Windham, and State of Connecticut, have made anew and useful Improvement in Combined Chimney and Ventilator; and I do hereby declare that the following is a full, clear, and cxact'description thereof, which will enable those skilled in the art to make and use the same, reference being had to the accompanying drawings, and to the letters of reference marked thereon.

This invention consists in combining a chimney or flue with a ventilator in such amanner that the compartments of a building may be thoroughly ventilated, and the chimney or flue at the same time rendered perfectly fire-proof. 'In the accompanying sheet of drawings Figure 1 is a vertical central section of my invention, taken in the line a: 2:, fig. 2.

Figure 2, a horizontal section of the same, taken in the liney y, fig. 1.

Similar letters of reference indicate like parts. I

A represents a chimney or flue, constructed of tiles of any suitable length, say two feet, and'of a diameter corresponding to the size of the stove or furnace to which it is applied. These tiles are formed with flanges a at each end. These flanges are simply an enlargement of the exterior tiles to form abutting ends of considcrable area, the flange at one end of each tile having an annular recess, 6, at its inner edge, while the flange at the opposite end has an annular recess, a, at its outer edge, so that the tongue d, formed by'the recess 6 at one end of a tile, may fit into the recess a in the flange of the adjoining tile, and the tongue e formed by the recess c fit into the recess 6. These flanges have annular recessesfmade in them, in which elastic circular metal hands B'are fitted, the ends of the bands overlapping each other and expanding or contracting with the tiles so as to insure tightjoints at all times, without being liable to fracture the ends of the tiles. This tile-chimney or fiue is encompassed bya sheet-metal pipe, C. Galvanized iron or i nc would probably be the best material.

This pipe considerably exceeds in diameter the chimney or flue, so that a space,f, is allowed between the flue and pipe for the passage of air, which is admitted into the lower end-of the latter through a tube (shown in red) from the outer side of the building, and thus pure air may be let into any compartment through which the pipe and flue pass by having holes 9 made in the pipe, near the floor of the compartment, and vitiated air may be let inbo the pipe through holes it made in the former, near the ceiling of the compartment. This air-tube, it will be seen, renders the chimney or fiue incapable of setting fire to any adjacent combustible material, as the latter cannot come in direct contact with the chimney ,or flue.

Having thus described my invention, I claim as new, and desire to secure by Letters Patent- The combination of a tile-chimney or flue A with an air pipe, 0,, the latter encompassing the former, and communicating with the external air and the compartments within the building, substantially as and for the purpose specified.

I further claim the elastic bands B, fitted in the annular rccessesf in the flanges at the ends of the tiles,

. A. S. WHITTEMQRE.

Witnesses:

J. R. ARNOLD, W. C. -WITTER.