US263716A - Steam-trap - Google Patents

Description

(No Motel.)

` J. MOREHBAD.

- STEAM TRAP. No. 263,716.

Patented Sept. 5, 1882.

W/ TIVESSES N. PETERS. Pmnmhognpher. wmingmn. D c4 NUnitas @raras armar marea@ JOHN MOREHEAD, OF DETROIT, MIOHIGAIASSIGNOR OF ONEAHALF 'IO `LOUIS F. HERBST, OF SAME PLACE.

STEAM TRAP.

SPECIFICATION forming part of Letters Patent No. 263,716, dated September 5, 1882. Application iled July 11, 1882. (No model.)

t reference being had to the accompanying d raw ings, which form Aa part of this specification.

My invention consists in the combinations of devices and applianceshereinafter speciiied, and more particularly pointed outin the claims.

In the drawings,Figure lis a vertical crosssection of a device embodying my invention. Fig. 2 is alongitudinal section. Fig. 3 is a variation.`

The object of my invention is to provide a steam-trap to free the steampipcs from condensed water.

Heretot'ore steamtraps have been made in which the body ofthe trap has commonly been stationary, while a float, lever, or other device within -the stationary' body has operated thc valve of the trap.- [n a steam-trap so con structed it is diiyu'cult to tell when the mechanism is operating properly, or whether the steam is being blown ott' with thewater. In my invention, however, the body or chamber ot' the trap is suspended on one side ot' the center ot' gravity, and kept in its proper plane by a weighted lever until the accumulation ot' condensed water within overbalances `the, weight and the chamber is thereby caused to tilt down. The tilting of the chamber automatically allows the free play ot' the valve within, when the pressure ofthe steam on the water automatically opens the valve and the surplus water is discharged. When this is done the weighted lever causes the chamber to rock back to its previous plane and the valve is closed. The operation of the trap is thus capable of being continually observed by the rocking to and fro ofthe chamber, so that the operator can always tell when it is properly working.

In carrying out my invention, A is a suitable receiving-chamber of any desired form and size, provided with a cover, A. A2 is a weighted lever attached to said chamber.

B is an inlet steam-pipe, provided With a stufng'box, b. This inlet-pipe is provided within the chamber with the upright arm B', open at its upper end and suitably extended so that the steam shall be delivered above the water in the chamber.

I prefer that the cover A should be constructed with an ordinary air-chamber, uf, and

that the arm B of the inlet-pipe should cxtend into the base of said chamber. I prefer, also, that at the base of this air-chamber a suitable strainer, a', should be located, below the outlet ofthe arm B', to prevent any sediment from being deposited which might impede the working ofthe valve mechanism. g

a2 is a suitable cock.

C is a blank joint secured to the pipe B'.

D is an outlet-pipe, provided with a stuflingbox, d, and a valve, d', the valve-chamber being connected with the blank joint O, said joint turning thesteam up through the arm B', preventing a continuous tlow ot' steam through the valve and outlet-pipe.

The valve is provided with a valve-stein, d2, an arm, d, which supports the lever E, and preferably with a guide for the lever d4.

The lever E isconstructed with a slot, e, through which it is supported on the arm or bolt E', secured to the adjacent side of the chamber. The arrangement ofthe lever E is such that when the trap is held on a horizontal plane by the weighted lever A2 said lever E will rest upon the valve-stein di; but

y when the chamber is tilted down', as shown by the-dotted lines, the lever will be lifted sufficiently from the valve-stem to allow the pressure ot' steam upon the water to open the valve and permit the discharge of' the surplus water, when the trap will return to its horizontal position.

The whole trap is pivoted on the boxes b and d, one side of the center of gravity, and may be supported in any desired manner upon proper bearings, F and F.

It is evident that since the steam is carried in the upright arm -B/ above the water in the chamber it will not be liable to blow oi' with the water when the valve d' is opened.

It will be seen that the air-chamber a may be dispensed with without departing from the main features of my invention, in which case the upright pipe might be extended into the 2 26ans cover A', and said cover constructed with or without a strainer below the orifice of said pipe.

lt will be seen, also, that the weigh ted lever A2 might be dispensed with and a suitable spring, G, as shown in Fig. 3, be substituted in its place.

In case the spring is used, it may be secured to the chamber A in any proper manner-as, l'or'instance, upona standard, G', which standard is supported upon the bar G2. This bar may be adjustably connected with the screwcut standards G3 and G4, secured to the tlanges a3, by which the chamber'A and its cover A are united, and resting on any suitable foundation.

The adjustment of the bar G2 may be secured by means of nuts g and g', which can be raised or lowered to any desired position. Should the spring mechanism be used, however, I do not confine myself to the form of attachment here shown, as other methods would answer the same purpose.

l. An automatic steam -trap for the discharge of condensed water from steam-pipes, consisting ot' a suitable receiving-chamber, an inlet steam-pipe which traverses the chamber at one side of the center of gravity and constitutes an axial support upon which the receiving-chamber may be tilted, an interior pipe connected therewith and carrying the steam above the water in the chamber, a discharge-pipe having its valve within said chamber, a lever arranged within said chamber and adapted to hold the valve closed when the receiving-chainber is in a horizontal position and leaving it free to operate when said chamber is tilted out ot' such position, and in combina-tion therewith means whereby it shall be caused to occupy a horizontal position when relieved of its surplus water, substantially as described.

A2. An automatic steam trap for the discharge of condensed water from steam-pipes,

consisting ot' a suitable receiving-chamber, an

inlet steam-pipe traversing said chamber at one side of the center ot' gravity and forming alimited axis therefor, an interior pipe conneeted therewith adapted to carry the steam above the water in the receiving-chamber, a discharge-pipe provided with a suitable interior valve and valve-stem, a lever constructed and adjusted to rest upon the valve-stem when the receiving-chamber is in a horizontal position and to release its pressure upon the valvestem when the receiving-chamber is tilted out of said position, and in combination therewith means whereby said chamber shall be caused to occupy a horizontal position when relieved ot' its surplus water, the whole construction being such than when the water unduly accumulates in the chamber it will tilt said chamber, relieve the valve from the pressure of'the lever, and permit the pressure of the steam upon the water to open the valve and discharge the water until the equilibrium ot the chamber is restored, substantially as described.

3. An automatic steam -trap for the discharge of condensed water from steam-pipes, consisting of a suitable receiving-chamber provided with a cock and weightedv lever, an inlet steam -pipe, aninterior pipe connected therewith adapted to carry the steam above the water in the receiving-chamber, a strainer below the orifice of said pipe, a discharge-pipe provided with a suitable valve connected by a blank joint to the inlet-pipe, said valve provided with a valve-stem, a lever constructed and adjusted to rest upon the valve-stem when the receiving-chamber is in a horizontal position and to release its pressure upon the valve when said chamber is tilted out of such position, and in combination therewith suitable smiling-boxes whereby the receiving-chamber is pivoted upon the inlet and discharge pipes, substantially as described.

et. An automatic steam -trap for the discharge of condensed water from steam-pipes, consisting ofa suitable receiving-chamber provided with an air-chamber, cock, and weighted lever, an inlet steam-pipe, an interior pipe connected therewith adapted to carry the steam into the air-chamber, a discharge-pi pe provided with a suitable valve connectedv by a blank joint to the inlet-pipe, said Vvalve provided with a valve-stem, a lever constructed and adapted to rest upon the valve-stem when the receiving-chamber is in a horizontal position and to release its pressure upon the valve when said chamber is tilted out oi' such position, and

in combination therewith suitable stuflingboxes whereby the receiving-chamber is pivoted upon the inlet and discharge pipes,.substantially as described.

5. In a steam-trap for the discharge ot' condensed water from steam-pipes, a suitable receiving-chamber provided with an air-chamber, said air-chamber provided with a strainer, substantially as described. v

In testimony whereof I sign this speciiication in the presence ot two witnesses.

JOHN MOREHEAD.

Witnesses:

J. EDWARD WARREN, N. S. WRIGHT.

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