US663433A - Steam-trap. - Google Patents

Description

No. 663,433. Patented Dec. H, |900.

L. E. HACKETT.

STEAM TRAP.

(Application filed June 3, 1898*) VV/T/VESSES: #VVE/V70 lUNirnn STATES LEWIS E. HACKETT, OF JACKSON, MICHIGAN.

sTAM-TRAP.

SPECIFICATION forming part of Letters Patent No. 663,433, dated December 11, 1900.

Application led June 3, 1898. Serial No. 682,478. (No model.)

To all whom t may concern.:

Be it known that I, LEWIS E. IIACKETT, a citizen of the United States, residing at Jackson, in the county of Jackson and State of Michigan, have invented a new and useful Return Steam-Trap, of which the following is a speeication.

My invention relates to improvements in steam-traps in which valves are arranged to automatically admit the drip from steamheating pipes, steam-condensers, tbc., and return it to the boiler; and the objects of my invention are simplicity, compactness, economy and durability of construction, and certainty and effectiveness of action. I attain these objects by the mechanism illustrated in the accompanying drawings, in which- Figure l is a side elevation of my device with the nearer side of the inclosing steamdrip box removed by vertical section through the line :c in Figs. 2 and 3 and portions of the working parts broken away to show construction and operation. Fig. 2 is an end view of the same with the nearer end of the box removed by vertical section through the line x a: of Figs. l and 3. Fig. 3 is a plan View of the same with the top of the box removed by horizontal section through the line y y of Figs. l and 2.

Similar letters refer to similar parts throughout the several views.

A A is a steam-drip box which is provided with a pipe B passing through its bottom and is secured by a steam-tight joint. This pipe projects upward in the box to near its top, as shown at B, and is provided with a cock C, which controls the passage of steam from the boiler through said pipe B B/ to the box A A. The cock C is also provided with a side opening c2, which leads out of the box through the pipe D. The plug of the cock C is provided with an opening c, danking the main opening c, through the plug.

E is the lever by which the cock C is opened and closed.

F F' are antifriction-pulleys upon which the gravity-bar G operates, its weight augmented by the ball G.

H I are carry-pins projecting from the side of the4 sprocket-wheel K, which is driven by the chain L from the sprocket-wheel M, which is in turn operated by the lever N,

(which is the oat-ste1n,) actuated by the oat O.

P is a pipe through which the drip from the heating-pipes enters the trap and through which it is returned to the boiler, the checkvalves Q R alternately opening and closing to direct it.

My device is connected with the heating apparatus thus: The steam-trap is set above the boiler and connected with it above the high-Water line by the pipe B, and the drippipes of the radiators are connected to the pipe P, with the check-valve Q intermeshing. The retu rn-pipe is also connected to the pipe P at one end, the other to the boiler, the check-valve R intervening.

The operation of my device is as follows: The exhaust steam and drip enter the steamtrap box at P. The steam-box being vented by the passage B' c c2 D, this being open, allows the drip-water to rise in the box, carrying the iloat O up toward the position marked at O', which revolves the sprocket-wheel M, and this by the sprocket-chain L revolves the smaller sprocket-wheel K, bringing the carrypin I in contact with the gravity-lever G, carries it up until it passes a perpendicular position sufficiently, when it drops over onto the friction-wheel F, bears it down until the lever E assumes the position indicated by the dotted lines at E E2, and then the carrypins H and I will have changed locations and the gravity-bar be as indicated by the dotted lines at G2. Then the cock C, which at the commencement of the operation closed communication with the boiler, will be open and the opening c' c2 closed. The fullpressure of steam from the boiler will then enter the steam-trap box through the pipe B B/ and counterbalance the steam-pressure from the l1eating-pipes,which entered at P. The dripwater will then of its own weight gravitate down through the pipe P, close to the checkvalve Q, and course through R, returning into the boiler, and when the trap is empty the oat has gravitated down, reversing the motion of the sprocketwheels until the carrypin H has reversed the gravity-bar G to its original position at G G, and the operation is continued.

Having fully described my invention, what I claim, and desire to secure by Letters Patent, is-- IOO 1. A steam-trap comprising the boxing, a Valved exhaust-pipe communicating therewith, a pipe connecting the boiler with said boxing, a three-way cock in said pipe, a ventpipe communicating with said cock, a twoarmed lever for actuating the cock, sprocket- Wheels, a chain, a oat, and pins on one of the sprocket-wheels for moving the lever' iu either direction, depending upon the height of Water in the boxing, substantially as described.

2. In a steam-trap, a boxing, an exhaustpipe, a Water-outlet pipe, a vent, a three-way cock in the Water-outlet pipe, a lever for actuating said cock, rollers journaled in the ends of said lever, a pair of sprocket-wheels connected by a chain, a float for actuating the sprocket-wheels, and pins on one of the sprocket-Wheels for moving the lever for actuating the cock in either direction depend zo ing upon the rising and falling of the iloat,sub stantially as described.

3. In a steam-trap, a boxing, an exhaust-` Witnesses GEO. SCHNEIDER, DEssIE SNYDER.

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