US436159A - The noswfi petebs co - Google Patents

Description

(No Model.)

H. E. STAGER.

STEAM RADIATOR ATTACHMENT.

No. 436,159. Patented Sept. 9, 1890.

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HENRY E. STAGER, OF MILWAUKEE, WISCONSIN, ASSIGNOR OF ONE-HALF TO JAMES E. WOODWORTH, OF SAME PLACE.

STEAM-RADIATOR ATTACHM ENT.

SPECIFICATION forming part of Letters Patent No. 436,159, dated September 9, 1890.

Application filed March 10, 1890- Serlal No. 343,391. (No model.)

To all whom it may concern:

Be it known that I, HENRY E. 'STAGER, of Milwaukee, in the county of Milwaukee, and in the State of Wisconsin, have invented certain new and useful Improvements in Steam- Radiator Attachments; and I do hereby declare that the following is a full, clear, and exact description thereof.

My invention relates to steam-radiator attachments; and it consists in certain peculiarities of construction and combination of parts, to be hereinafter described with reference to the accompanying drawings, and subsequently claimed.

In the drawings, Figure 1 represents a longitudinal vertical section of my device, the section being taken on line 1 1 of thesucceeding figure; Fig. 2, a vertical transverse section on line 2 2 of Fig. 1, and Fig. 3 an end view of said device attached to a steamradiator.

Referring by letter to the drawings, A represents a portion of a steam-radiator, and fitted in an opening in one of the coils thereof is a hollow branch I) at the bottom of a shell B, the latter being provided at one end with a removable cap 0 to facilitate access to the interior thereof. Screw-threaded or otherwise suitably secured tothe top of the shell B is a casting 0, having a transverse partition d, provided with an opening e for the escape of air expelled from the radiator when steam is admitted thereto.

Fitted to the casting 0, above the partition d, is a thimble D, having a detachable cap f, and this thimble inoloses a plug E of expansible material opposed to the opening 6 in said partition. The thimble D is provided with an air-escape opening g. The upper end of the casting C is preferably in the form of a cup-shaped flange h, and it is also preferable to have a pipe t run from the top of the shell B to one of the radiator-coils, the latter terminus of the pipe being above the branch I) of said shell.

Secured to the inner side of the bottom of the shell B by means of a screw j is a plate F, provided with a standard It, and fulcrumed to this standard is an irregular-shaped lever G,

having its long arm provided with a float m,

the latter being preferably of soapstone or other suitable material in a solid form detachably connected to said arm of the lever.

The short arm of the lever is provided with a counter-weight n for the float, and pivotally connected to the lever between the float and counter-weight is a rod-valve H for the opening e in the partition (I of the castingO, the normal position of said lever and rodvalve being best illustrated in Fig. 1. When steam is let onto the radiator, the air in the latter is forced out through the attachment above described, the final outlet being through the opening g in the thimble D, and the expansion of the plug E, due to heat, closes the opening 6 in the partition (1 of the casting O to prevent the escape of steam after the air has been expelled, the cup-shaped flange h on said casting serving to arrest the drip caused by condensation of escaping steam prior to the automatic action of said plug. If from any cause the radiator fills with water, the latter will rise in the shell B of my attachment, and acting on the float m will move the lever G on its fulcrum to seat the rodvalve H and thus close the opening 6 in the partition 01 of the casting O, to thereby efiectually prevent any of the water from escaping into the apartmentin which said radiator may be located, this being the principal object of my invention. When water is drawn off from the radiator, a reverse operation to that just described takes place and the rodvalve H will be unseated as the float m on the lever G is lowered, the emptying of the shell B being made certain by the pressure of steam admitted through the pipe t', that connects the top thereof with said radiator.

By the construction and operation above described it will be seen that no Water can flow from the radiator in case the latter is flooded, and thus I obviate the damage and annoyance heretofore experienced with steamradiators because of the lack of some means for automatically closing the air-escape openings when flooding occurs.

I am aware that an expansion-valve for closing the air-escape opening in a radiator against the escape of steam is not new, and I lay no broad claim to the one shown, attention being called to the fact that the entire attachment, as shown, is designed for a new radiator; but if used in connection with an old device of this character the thimble I) and the expansion-plug E may be omitted and the expansion-valve belonging to the latter radiator substituted.

The general construction above described is the one preferred; but as the same result may be accomplished by various forms of the attachment without departure from the spirit of my invention I do not Wish to be understood as limiting myself to the one shown.

Having thus described my invention, What I claim as new, and desire to secure by Letters Patent, is

1. An attachment for steam-radiators, that comprises a shell having an air-escape opening, a standard arranged Within the shell, a counterbalanced float-controlled lever f ulcrumed to the standard, and a rod-valve connected to the lever in opposition to the air-escape opening, substantially as set forth.

2. An attachment for steam-radiators, that comprises a shell having the lower portion thereof provided with a fitting for connection with a radiator-coil, an air-escape opening in the shell, a float-controlled valve arranged within said shell to oppose the air-escape opening, and a pipe for connecting the upper portion of the aforesaid shell with the radiator at a point above said fitting, substantially as set forth.

3. An attachment for steam-radiators, that comprises a shell having an air-escape opening, a plate detaehably connected to the in ner side of the shell bottom and provided with a standard, an irreg ular-shaped lever f ulcrumed to the standard, a float and counterweight carried on opposite ends of the lever, and a rod-valve pivoted to said lever in opposition to the air-escape opening in said shell, substantially as set forth.

4. An attachment for steam-radiators, that comprises a shell having an air-escape opening, a standard arranged Within the shell, a counterbalanced float-controlled lever fulcrumed to the standard, a rod-valve connected to the lever in opposition to the air-escape opening, and an expansion-valve supported on said shell to also oppose said air-escape opening, substantially as set forth.

In testimony that I claim the foregoing I have hereunto set my hand, at Milwaukee, in the county of Milwaukee and State of VVisconsin, in the presence of two Witnesses.

HENRY E. STAGER.

\Vitnesses:

N. E. OLIPHANT, WM. KLUG.

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