US92622A - Improvement in steam water-heaters - Google Patents

Description

W. B. MACK.

, Steam Heater. x No; 92,622. Patented July 13, I869.

' 797370656 5 fivenzvr dhtitml fittin WILLIAM B. 'MAGK", or DETROITIMIIGHIGAN,

Letters Patent No. 92,622, dated July 13, 1869.

IMPROVEMENT IN swam warren-Humans.

The Schedule referred to in these Letters Patent and making part of he em To all whom it may concern Be it known that I, WILLIAM B. MACK, of the city of Detroit, in the county of Wayne, and State of Michi gan, have invented a new and useful improvement insteamheaters to water-delivery pipes, which I term a Steam Water-Heating-Pipe Nozzle; and I do hereby declare that the following is a-full, clear, and exact description of the construction and operation of the same, reference being had to the annexed drawings, making a part of this specification, in which- Figure 1 is a longitudinal section through the centre of the nozzle. v D

Figure 2 is a cross-section of thecentral dischargenozzle, at or about the line a. I

My invention consists in the construction of avtapering corrugated radiatorpipe, secured centrally within a steam-casingor chamber, the several parts being;

arranged relatively with each other, as hereinafter described.

To enable those skilled in this branch of mechanical art and science, to fully understand and construct my invention, I will proceed to describe it..

I usually construct my steam-heating water-nozzle in four sections, exclusive of the connecting-parts and valve, substantially as seen. g

The section marked -A is a hollow cylindrical coupling, connected at one end by a screw-thread, or other suitable way, 'to the -water-pipe, represented by. a broken section at B, and it is provided at the other, with a valve-seat, s, and valve, 0, of any suitable'kind.

It is also threaded at the valve-end, to connect it with another section, D, forming an enlarged 'hollow steam-chamber casing, furnished, just above the valvelift, with a seat or diaphragm, c, boredthro'ugh in the centre, and tapped to receive the threaded endof a thimble, f, to which the but-end of the corrugated radiator-pipe (to be presently described) is brazed. v

This pipe, shown at E, is firmly connected tothe steam-casing D, by screwing the threaded end into the diaphragm-hole e aforesaid, the thimble and bore of the casing being of such relative proportionsas to form an annular space between for-steam, which is supplied from a steam-generator, through a steampipe, a broken portion, 1?, of which is shown as screwed into the wall of the chamber.

I usually construct the radiator-pipe of sheet-copper or brass, of a tapering form, substantially as shown, and corrugate it deeply, excepting at the extreme discharge-point, which is left round.

These corrugations, as clearly shown infig. 2, arei'or the purpose of exposing a. large radiating-surface to the action of the steam, and, at the same time, break up the enclosed water-column into comparatively thin sheets. .v

A tapering cylindrical casing, F, is screwed on the casing D, so as to surround the corrugated pipe nearly its whole length, thus forming a tapering continua-- tion of the annular steam chamber in the casing D. 1

An embouchnre nozzle-piece, G, reamed out from each end, hour-glass fashion, the area of the contrac tion being about eqnal to the area of thc water-discharge end of the pipe, is then screwed on the taperend: of the steam-casing, so that the steam-space may be narrowed down, when in close approximation to the discharging-water column.-.

A hose or pipe, H, (see dotted lines,) is; then coupled v to the embouchure, to convey the water, at the desired temperature, to any desired point in a building.

It-is not absolutely necessary that the parts marked A and D should be made in two separate sections,

for it will be readily seen that theymay be cast totemperature, the steam-pipe P must be furnished with a cook or valve, for the purpose of graduating thevolume of steam admitted according to itsiudicated pressure and condition, that is to say, whether in a surcharged state or not.

The operation is as follows: i The steam being admitted into the annular chamber J, of a temperature in proper exeessof that re- .quired of the water, and thecold water (under a relative area-pressure exceeding that of the steam) turned on into the corrugated water-pipe, the water absorbs a certain portion of the steam heat, conducted through the corrugated shell of the pipe, which heat is further increased by the contact with and condensation of the steam, as the diminished water-column is'be'ingrapidly driven through the steam-ring surrounding the central contraction of the embouchure.

When the rushing water-column fills the embouchure-stricture and hose or pipe beyond, the stea1n pressure behind accelerates the initial velocity of the water, and causes it to. be delivered at a distant point, so'rapidly as topart with but little of its heat acquired by continuously and silently absorbing the steam-heat, by radiation and condensation, without any of the detonations usually produced by steamand-water contact. 7

Should, by inadvertencathe proper relative steamand-water pressure be reversed, the check-valve 0 will close.

Besides being intended to furnish a constant supply ofhot'water for manufactiu'ing-purposes, my heatingnozzle, from its compactness and its economical use of steam, is especially adapted for domestic and otheroccasional and immediate uses.- g I am aware it is not new to heat water by the di rect; contact with steam-currents, or by placing the pipe, through which inflows, in a steam-chamber; therefore, I (101101; claim either mode, singly orcombined; irrespectire of the peculiar modifications and arrangements by which. I have better adapted themfor general and special uses. Therefore,

What I claim as my invention, and desire to secure by Letters Patent, is as follows:

I claim the construction and arrangement of the tapering corrugated pipe E, ernbouchure-nozzle G, and

check-valve O, with the steam-casing E, and steamand-walter casings D A, when the same are connected with steam and water-supply pipes P B, substantially in the manner set forth.

WILLIAM B. MACK. Witnesses;

JOSEPH KUHN, J AMES RoBmsoN.

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