US868459A - Sprinkler-head. - Google Patents

Description

V PATENTED OCT. 15, 1907. A. M. LEWIS. SPRINKLER HEAD. APPLICATION FILED H3120. 1907.

ARTHUR M.-LEWIS, F PHILADELPHIA, PENNSYLVANIA, ASSIGNOR TO' INTERNATIONAL v SYLVANIA.

SPRINKLER COMPANY, OF PHILADELPHIA, PENNSYLVANIA, A CORPORATION OF PENN- SPRINKLER-HEAD.

Specification of Letters Patent. Application filed February 20,1907. Serial No. 358,457.

Patented Oct. 1 5, 1907.

To all whom it may concern: lie it known that I, ARTHUR H. LEWIS, a citizcn of the United States, residing in Philadelphia, Pennsylvania, have invented certain Improvements in Sprin- 5 kler-Heads, of which the following is a specification.

My invention relates to improvements in automatic lire extinguishing apparatus of the particular class V knowu as sprinkler heads:having for its object the provision of a device of this class of such construction that under operative conditions it shall direct Water ver a certain limited and predetermined area to the t rec-ted not only over a certain area, but shall be so dis-' I tributcd as to be most effective in extinguishing a fire within the area which it serves. I

These objects I attain as hereinafter set forth, refer ence being had to the accompanying drawings, in \vhich:- I

Figure 1 is a perspective view of a sprinkler head constructed according to my invention; Fig. 2, is a vf-rtical section of the sprinkler head shown in Fig. l; Figs-i, is a horizontal section taken on the line 33,

shown in F ig. 2, but illustratingthe course taken by the water as it is directed by the sprinkler head. i

In the above drawings, A represents the tubular base of a sprinkler head, threaded in the customary 3o fire extinguishing system. Projecting from this base are two arms a, united'to form a yoke, and carrying opposite the base a deflector plate a of the construction described. and claimed in a pending application of John (1-. Scott, filed Sept. 4, 1906, Serial No. 333,146. This plate has substantially parallel grooves a. extending outwardly from the yoke arms a and lies in a plane.

substantially normal to the plane of the arms a. In the center line of the head, at the point of junction of said arms a, is a. screw b forming a socket for the reception ot-one end of a lever b. A' second lever 12' engages a cap or valve I) normally closing the opening in the base piece, and also engages the lever b in such a manner that the point of contact between the yoke piece and the-lever b, the point of contact between the lever b and the valve b and the point or points of.

contact between the levers, are not in a straight line.

Each of the levers b and b has a free arm and these two arms are separably connected by a pair of links 0 V and 0 held together by fusible solder having av relatively low and predetermined melting point. So far th sprinkler head is similar in construction to those heretofore known, and my invention consists in placing between and to one side of the arms a a deflecting web or guide section D. As will be seen from Figs. 2

Fig. 2, and Fig. 4, is a vertical section, similar to that manner for attachment to the water supply pipe for a Q and 3, this web extends from the deflector plate a on one side of the plane of the arms a toward the outlet of the tubular piece A; being flared at its upperedge'and curved outwardly so as to catch or be struck by the water coming from said outlet of the base when the valve is released and gradually changing its course so as to direct it all onto the opposite side of the-plane of the arms; the curvature of this piece being upwardl and outwardly from the socket scre'w b.

It is, of course, obvious that while I have illustrated the deflector or guide web D as formed integral with the arms a and the deflecting plate a; it may be made in a piece separate therefrom, if desired, and be secured in place in any desired manner.

Under operating conditions the two lovers 1) and k with their connecting links, project on that side of the plane of the arms a opposite the guide plate D, and

when the temperature in the vicinity of the sprinkler head rises, above a predetermined point, the links 0 and c separate, allowing the levers b and b to spring apart. The valve b is then forcibly moved frolntho sea-t b at the end of the tubular base A, either by pressure within the supply pipe or by -springs, and the water flows outwardly as indicated in Fig. 4. In so doing it strikes the deflector or guide web D and is given a curvature to the opposite side of the sprinkler head, as well as spread out to some extent before it strikes the plate a". Upon this it is still further spread out so as to be finallydelivered' over an 'area in the form of a fiat and relatively dense sheet, which has been found most effective for the quick extingniishing of fire. v

The device is particularly adapted for use in car storage sheds or barns, Where it is desirable to protect a line of cars extending adjacent to a wall. Under such conditions the sprinkler heads will be mounted so as to direct water delivered by them away from the wall toward-the cars; it being obvious that by this means such water is guided over areas where it is needed, thus avoiding unnecessary waste and consequent low efiiciency, necessarily resulting from the I use of sprinklers of the ordinary constm'ction.

Iclaim 1. As a new unitary article of manufacture, a sprinkler head constructed to direct water over a definite area on one side only of a plane parallel to the line of the outlet of said head including means for changing the direction outlet, temperature responsive means normally preventing tlmv from said outlet. at deflector plate opposite the outlet lying in a plane substantially at right angles to the line thereof. and a guide piece placed to direct water from the outlet toward one side of the deflector, plate, substantially as described.

7. The combination of a sprinkler head consisting of a tubular strut-lure designed for attachment to a fluid supply system. doth-cling, means for the sprinkler head consisting of a concave \veh placed to deflect liquid from the outlet to one side of the line thereof, with a deflector plate form in; a continuation of the web and constructed to spread the water in a sho t substantially at riglitangles to the line of the outlet, substantiiill) as described;-

ti. As :1 new unitary article of. manufacture a sprinkler head havina' an outlet, and a deflector on one side of outlet consisting of a concave plate curved through an angle of t l l l l l l i 90 to direct water from said outlet to one side only 01. the head, substantially as described.

7. A sprinkler head hav'ing an outlet, and a deflector therefor having a portion on one side of said outlet, and curved to bring another portion opposite the outlet so'as to cause the entire flow from the head to be directed to one side only thereof, substantially as described.

R. The combination of a sprinkter head consisting of a tubular base, a yoke projecting therefrom, a concave detlector projecting on one side of the plane of the yoke and formed to direct the water from the outlet toward the opposite side of said plane, a cantor the outlet, levers interposed between the cap and the yoke and projecting on that side of said yoke opposite the deflector, and temperature responsive means for normally holding the levers in position to maintain the cap over the outlet, substantially as described.

In" testimony whereof, I have signed my name to this specification, in the presence of two subscribing witnesses.

Witnes-cs:

Ii. .lonxsox, J. F. Maximum.

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