US916886A - Air-accumulator. - Google Patents

Description

w. P. MERRYMAN.

AIR AGGUMULATOR.

APPLICATION FILED NOV.19,190-7.

Patented Mar. 30, 19%

Pm 8 I 6 witmaooco U NITEI) STAIil-ES PA lliiihliil fli lldiiil WVILLIAM FRANCIS MERRYMAN, OF IIENVER, ASSIHNOR ()l (l\ l'I-IlALl TU l'il'lh llY- R.'\\'OLUO'l"l, Oi DENVER. COLORADO.

AIR-AOCUM'ULAIOR.

No. 916,886. Specification of Letters Patent. Patented March 30, 1909.

Application filed November 18, 1907. Serial No. 402,937.

T all whom it m I J/ concern: The same reference characters indicatetlic 55 Be it known that .l, \l'inmnn Flowers same parts in an the \"lGWS.

- '1 1 w J l v 1",, MERRYMAN, a citizen of the l mtcd States, lies the numeral 5 (lGHlgDut-a the [Io/1,410

residing in the city and county of Denver 'tleroughwhich the water may pass. Mount- 5 and State of Colorado, have invented certain ed upon this nozzle is the air accumulator (i new and useful Improvements in Air-Accuhaving a main chamber 7 and an auxiliary 60 mulators; and I do declare the. following to chamber The nozzle is centered in the be a full, clear, and exact description of the chamber 7 by means of centering screws 9.

invention, such as will enable others skilled The air accumulator is provided with an 10 in the art to which it appcrtains to make and opening 10 directly in front of tho dis .uirge use the same, reference being had to the opening of the nozzle but remorcd'a short accompanying drawings, and to the figures distance therefrom. 'ihc rear portion of the of reference marked thereon, which form a accumulator or that remote from the dispart of this specification. charge extremity of the nozzle, is provided My invention relates to improvements in with twonippios and 13, one communicatair accumulators or devices for accumulating ing with the chamber 7 and the other with the the air passing with a stream of water or auxiliary chamber 8. The auxiliary chaniother liquid through a nozzle or pipe or conbor 8 communicates with the main chamber duit of any kind. I '2' at its forward extremity by means of an 20 The device is more especially adapted for opening 14.

use in connection with the nozzles of fire When the device is in use, tubes 15 and 16 hose, in order to enable a fireman to wear a are "connected at one extremity with the mask adapted to exclude smoke and gases nipples 12 and 13 respectively, while their to which firemen are subject in entering opposite extremities lead to a mask .17 worn 25 burning buildings. This air accumulator by the user of the device (see Fig. 1). lhis.

is mounted upon the hose nozzle and promask its the face so closely as to exclude jccts slightly beyond the discharge end the surroululing atmosphere as well as thereof. As the water leaves the discharge smoke and noxious gases of any kind with extremity of the nozzle it expands and the which the air may-be laden. By means of 30 air contained therein accumulates in my the tubes 15 and 16, fresh air is supplied to -improved device and may be utilized by the the operator and the exhaust air removed.

fireman wearing the mask for breathing It is evident that my improved device pur oses. may be advantageously employed wherever y improved air accumulator is considerit maybe properly connected with the nozzle 35 ably larger than the hose nozzle, the latter or other device or pipe through which water being centered therein leaving a chamber or other liquid is passing, since liquid issuing around the nozzle with which the exhaust from a pipe or nozzleunderpressure, releases tube is connected. Outside of the main a considerable quantity of air at the issuing chamber, is an air chamber separated from extremity of the discharge pipe or nozzle,

40 the main chamber except at the forward and this air by means of my accumulator,

extremity of the device or where the water may be utilized in a true state since the disleaves the nozzle Where an opening is procharge of water from the forward extremity vidod to allow the air to enter the auxiliary of the accumulator pro rents smoke or noxchamber. ions gases from entering the accumulator 45 Having briefly outlined my improved conand mingling with the air.

struction, I will proceed to describe the same llnving thus described my ii'ivcntion, what in detail reference being made to the aecon1- 1 claim is: panyingdrawing in which is illustrated an 1. The combination with a nozzle of an embodiment thereof. air accumulator comprising a casing sur- 50 In this drawing, Figure 1 is a perspective rounding the nozzle whereby an air chamber View showing my improved device in use. around the nozzle and within the casing is Fig. 2 is a detailvicw showing the device in formed, the casing being also provided with longitudinal section, and on a larger scale. an auxiliary air cl'iamber whose body portion Fig. 3 is a side elevation of the same. is separated from the main ,air chamber butv 'wi 'hiose forward extremity is in communicatlonwith the main'chamber, and tubes re speetively connected wlth the mom and auxiliary chambers, whereby h'esh an 9.1 eeee rear extremities of the chambers having 5 openings, tubes connected with the said openings, and a mask with which the 0p- 18 posite extremities of the tehes are connected,

supplied to the operator and the exhaust en the forward extremity of the casing having removed.

2. The combination with a hose nozzle, of

an air accumulator comprising a easing mounted upon the nozzle and provided with i it main air u chamber, the latter being separated from the artition, the forward chamber and en auxiiierv air main chamber by a extremity of the sum Iary chamber belng in communication with the main chamber, the

en openipg in line with the dischzirrge extremity ,of the nozzle. y

In testimony whereof I efiix my signature in presenoe of two wltnesses.

WILLIAM FRANCIS MERRYMAN. Witnesses:

DENA NELSON, JESSIE HOBART.

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