US774531A - Exhausted-head. - Google Patents

Description

PATENTED NOV. 8, 1904.

F. M. OVERHOLT. EXHAUST HEAD. APPLICATION FILED NOV. 24, 1903.

N0 MODEL.

T {a Na 1, lfl u m y me UNITED STATES Patented November 8, 1904.

FRANK M. OVER-HOLT, OF MINNEAPOLIS, MINNESOTA.

EXHAUST-HEAD.

SPECIFICATION forming part of Letters Patent No. 774,531, dated November 8, 1904,

Application filed November 24, 1903 Serial No. 182,440. (No model.)

To all whom, it may concern.-

Be it known that I, FRANK M. OVERHOLT, of Minneapolis, Hennepin county, Minnesota, have invented certain new and useful Improvements in Exhaust-Heads, of which the follow ing is a specification.

This invention relates to exhaust-heads adapted to be placed at the end of an exhaustpipe that projects above the roof of a building; and the object of the invention is to provide means for removing the water of condensation to the end that the steam discharged from the head will be practically dry and there will he no drippings to rot the roof in summer and to freeze and cause leaks therein in the winter.

The invention consists generally in various constructions and combinations, all as hereinafter described, and particularly pointed out in the claims.

In the accompanying drawings, forming part of this specification, Figure 1 is a vertical sectional view of an exhaust-head embodying my invention. Fig. 2 is ahorizontal section on the line :0 w of Fig. 1.

In the drawings, 2 represents a cylindrical casing having a closed hopper-shaped bottom 3 and an open top 4, that is surrounded, preferably, by a flanged ring 5. The bottom 3 has a discharge-hole 6 for the water that accumulates within the head, and a pipe 7 is arranged to receive the water of condensation that collects in the bottom of the head.

9 is a pipe-section centrally arranged in the bottom 3 and projecting above the same and having a threaded lower end for convenience in attaching the apparatus to the end of an exhaust-pipe. Above the open upper end of the pipe 9 and centrally arranged with respect to the casing 2 is a conical member 10, supported on an elbow 11, that is secured to the wall of the casing by braces 12 and 13. The opposite end of the elbow depends to a point near the bottom 3 and discharges the steam and the water of condensation into the space near and above said bottom.

The operation of the device is as follows: The exhaust-steam flowing in through the pipe 9 will enter the conical member 10, and engaging the flaring walls thereof a portion of the water will be separated from the steam and precipitated upon the floor 3. The steam flowing on and entering the elbow 11 will contact with the wall thereof and a further separation of the water and steam will take place. The steam will then flow down through the depending end of the elbow and out of its open lower end and then rise to the top of the casing and be discharged therefrom into the open air.

During the time that the steam is passing through the members 10 and 11 a very large percentage of the water will be separated therefrom and precipitated upon the bottom of the casing, and from thence it will flow back through the pipe 7 into the heater, and the steam discharged at the top of the casing will be practically dry, and there will be no moisture on the roof around the exhaust-head to rot the roof in summer and cause it to freeze and become leaky during the winter.

I am aware the exhaust-heads have been heretofore patented for this same purpose, having devices for causing the steam to follow a tortuous path from the time it enters the head until the time it is discharged therefrom, and hence I make no claim, broadly, to such an apparatus.

My invention consists in the conical member arranged above the steam-inlet pipe and connected to one arm of an elbow, whose other arm is downwardly turned and arranged to discharge the steam into the lower portion of the apparatus.

I claim as my invention 1. An exhaust-head comprising a casing having an open top and a hopper-bottom provided with a water-discharge opening, an intake-pipe leading into said casing through said bottom and extending above the level of said discharge-opening, a conical cap or head provided above the open end of said pipe within said casing and near the same, and a U-shaped pipe having one end connected to said cap and the other end depending to a point near said hopper-bottom.

2. An eXhau st-head-com prising a cylindrical casing having an open top and a bottom provided with a water-discharge opening, an in take-pipe leading into said casing through said bottom and extending above the level of said discharge-opening, a conical cap provided over the open end of said pipe and near the same and of greater diameter at its lower end than the top of said pipe, and an elbow \v1thin said casing having its short arm connected to the upper end of said cap and its long arm depending below said cap to a point near said bottom.

An exhaust-head. comprising a casing having an open top and a bottom provided with a water-disoharge opening, an intakepipe leading into said casing through said bottom and extending above the level of said discharge-opening, a conical cap having an open upper end provided above the open end of said pipe and near the same, and a U-shaped pipe having one end adapted to fit the open end of said cap and gradually decreasing in diameter toward its other end and terminating near said bottom below said cap, substantially as described.

In witness whereof I have hereunto set my hand this 20th day of November, 1903. v FRANK M. OVERHOLT. in presence of- RICHARD PAUL, M. HAGERTY.

Images