US1075068A - Radiator-valve. - Google Patents

Description

F. SHELL.

RADIATOR VALVE. APPLOATION FILED SEPTA, 1912.

imam@ 3mm/Wo@ @www FRANK L. SHELL, OF DEADWOOD, SOUTH DAKOTA.

RADIATORTLVE.

Specification of Letters Patent.

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` Application lecl September 4, 1912. Serial No. 718,525.

To all lwhom t may concern:

Be it known that I, FRANK L. SHELL, a citizen of the United States, residing at Deadwood, in the county of Lawrence and State of South Dakota, have invented new and useful Improvements in IRadiator- Valves, of which the following is a specification.

This invention relates to steam inlet valves for the radiators of steam heating systems, the object of the invention being to provide a leak-proof valve which may be positively adjusted to accurate degrees to regulate the amount of steam supplied to the radiator, and to avoid the supply of more steam than is required to heat the radiator properly. M

A further object of the invention is to provide a valve movable to determined positions for admitting mo-re or less steam, and having means forvindicating exteriorly the position which 1t occupies at any time.

A still further object of the invention is to provide a valve having a partition shell provided with rows of ports, and which is carried by the bonnet and removable therewith from the casing, so that a bonnet and partition for supply'ng steam proportionate to the size or capacity of the radiator may be applied to a universal type of valve casing, thus enabling the steam valves of radiators of different sizes to be properly designed for supplying the requisite amount of steam to a number of radiators of different sizes in a ready, convenient and economical manner.

The invention consists of the features of construction, combination and arrangement of parts, hereinafter fully described and claimed, reference being had to the accompanying drawings, in which Figure 1 is a vertical longitudinal section through a radiator inlet valve constructed in accordance with my invention. Figs. 2, 3 and 4 are sections on the lines 2-2, 3-3 and 4-4 of Fig. 1.

Referring to the drawings, 1 designates a valve casing formed to provide a valve chamber 2 communicating at its bottom with an inlet 3 and at one side with an outlet 4. The inlet 3 is internally threaded for c0nnection-with the steam supply pipe, while the outlet 4 is externally threaded for coperation with a flanged coupling nut 5 for securing the same to the flanged nipple 6 threaded in practice into the steam inlet of the radiator. Formed at the point of communication of the chamber 2 and inlet 3 is a valve seat 7 which is surrounded by an annular depressed portion or groove 8.

The casing 1 is internally threaded at its upper end Ito receive the lower threaded end of .a bonnet 9, which is externally threaded at its upper end to'receive the lower threadedend of a cap 10, said bonnet and cap being properly formed for the application of a wrench or similar tool, whereby they may be applied and removed in a ready and convenient manner. The bonnet carries at itS lower end a cylindrical shell 11 which forms an annular partition within the chamber 2 to separate said chamber from direct communication with the inlet connection 3. The lower edge of this shell is arranged to bear against a packing ring 12 seated in the groove 8, whereby leakage of steam between the chamber and shell at such point of union is prevented. The shell is provided at one side with` rows -or series of ports 13, 14, 15 and 16, arranged at different elevations, whereby a properly graded or proportioned supply of steam to the radiator is insured, as hereinafter described.

The bonnet is provided with a comparatively coarse interior thread 17, which is engaged by a correspondingly threaded lower valve stem section 18, which carries a valve disk 19 provided with a packing disk or washer 20 to engage the seat 7, said disk or washer 2O being secured in position by a clamping screw 21 and preferably being made of a suitable elastic composition to accommodate itself accurately and snugly to the seat 7 and revent leakage of steam at all times from t e inlet 3 to the interior of the shell.

The 'threaded surfaces of the bonnet 9 and lower valve stem section 18 are preferably so proportioned that upon successive quarter revolutions of said stem section 18 on its valve opening movement, the valve will be raised tothe proper elevations to successively uncover the rows `of ports or passages 13, 14, 15 and 16, so that the amount' of steam supplied to the radiator at any given time may be accurately gaged and regulated. The said lower valve stem section 18 is provided with al square or non-circular socket 22 to receive the lower squared or non-circular end 23 of the upper valve stem section 24, the upper portion of which is circular in form and ings in the crown portion of the bonnet and extends upwardly through open-` ceive a handle 25 having a pointer or indilthe heat and thus prevent the handle from cator 26 and secured in osition by a screw 27 and washer 28. The liiandle 25 is preferably provided with a grip portion of coiled wire of a gage to insure quick radiation of becoming hot or heated to an objectionable eXtent. The pointer 26 is adapted to register with suit-able aduations on the crown ofwthe cap-10, said graduations being arranged at quarter/intervals corresponding to the number of rows of steam ports in the partit-ion, whereby the valve may be accurately opened to any predetermined extent and its osition at any time determined.

It wiil thus be understood that when the handleA is turned in one direction or the other motion will be communicated from the noncircular portion of the upper stem section to the threaded lower stem section, whereby the valve willbe adjusted, the sliding connection betweensaid valve sections permitting the upper valve section and related parts to be removed for repairs or renewal without disturbing the 'remainder of the valve, and also permitting the threaded valve section to travel upwardlyA nd downwardly within the bonnet. In order to prevent the entrance of air to the interior of the valve, a suitable packing means is arranged within the ca 10.f This comprises upper and` lower Solld washers 29 and 30 arranged to bear against the crown portions of the cap-andbonnet, respectively. Slidably mounted onI the stem are follower washers 31 and 32 arranged to coperate respectively with the 4washers 29 and 30, between which respective pairsof washersand followers are disposed series of packln disks 33 each comprising a plurality of disks, as

shown. VA spiral spring 34 incloses a stem between the .followers and exerts pressure' in both directions to force the followers against their packing disks, to crowd the saine in engagement with the bearing washers, and thus providing tight joints to prevent the entrance of air through the valve into the radiator.

It will be understood from the foregoing description that upon adjusting the handle from its normal or valve closing position to bring the'pointer26 into registration with the lgraduations on the cap 10, the valve will be successively'elevatedJto different posi- 'tions to uncover the series of ports in thev partition shell, so that the supply of steam to the radiator may be regulated and graded as desired, according to the capacity of the radiator or to secure the radiation of more or less heat intopthe room or compartment in A seat, said valve may be adjusted with accuracy to open or close the `valve to the desired extent. B employing `bonnets having shells in whic `the steam feed ports are varied in practice and arrangement to suit any size of radiator,

a series of interchangeable bonnets and shells may be employed .in connection with valve casings of a common or standard type, so that the valves of different sized radiators in a building may be graded in proportion to the size of the radlator to regulate the maximum amount of steam fed thereto when the valves are fully open, in order that waste of steam may be prevented. Such construction ofl interchangeable bonnets and shells enables the desired result to be secured in a ready and convenient manner and at a less oost than where independent valves of different sizes are provided for connection with different sized radiators.

Having thus described the invention, what I claim as new is:

1. A valve of the character described including a casing having a valve seat and a groove ordepression surroundin the same, a bonnet connected with the casing, a partition shell depending from 'the bonnet and having its lower edge seated in Vsaid roove or depression, saidshell being provide with ports at different elevations therein, a packing ring seated in said groove or de ression and engaging the lower edge o the".-

shell, the lower valve stem section having a threaded engagement with the, bonnet, .an upper valve stem section extending through the bonnet and cap and adjustably, connected with the lower valve stem section, a

handle connected with the upper valve stem v section, packing elements within the cap and bearing against and surrounding the stem, and a spring arranged between and acting to press said packing elements against the crown portion ofthe bonnet and cap. l

2. A valve of the character vdescribed. in-

cluding a casing having a valve seat and a` or depression, said shell being provided with ports at different elevations therein, a packing ring seated in said groove or depression and engaging the lower edge of the shell,

the 'lower valve stem section having a threaded engagement with the bonnet and provided with a non-circular socket, a valve having a gasket ortionto enga e the valve eing connecte with said lower valve stem section and adjustable thereby to uncover the ports in the shell, an upper valve stem section having a noncircular portion engaging the socket -in the lower valve stem section, a handle connected with the upper Avalve stem section,

and means for'indicating the extent of adjustment of the handle and valve.

3. A valve of the character described including a casing, a partition therein having ports at diiferent elevations, a bonnet carrying said partition, a cap connected with the bonnet, a Valve controlling the ports in t-he partition, a lower valve stem section carrying the Valve and having a threaded engagement with the bonnet, an upper valve stem section extendin through the bonnet and cap and adjustab y connected with the lower valve stem section, a handle connected with the upper valve stem section, packing elements within the cap and bearing against and surrounding the stem, and a spring arranged between and acting to press said packing elements against the crown portion of the bonnet and cap. I

4. A valve of the character described including a casing, a partition therein having ports at different elevations, a bonnet car- Iii? rying said partition, a cap connected with the bonnet, a valve controlling the ports in the partition, a lower valve stem sectlon carrying the valve and having a threaded engagement with the bonnet, and also having a non-circular socket, an upper valve stem section extending through the bonnet and cap and havin a non-circular portion engaging the soc et in the lower valve stem section, a handle connected with the upper valve stem section, packing elements within the cap and bearing against and surrounding the stem, and a spring arranged between' and acting to press said packing elements against the crown portion of the bonnet and IIIi testimony whereof I aliix my signature in presence of two witnesses.

FRANK L. SHELL.

Witnesses:

GEO. F. BAGGALEY, JOHN BAGGALEY.

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