US1062124A - Air-washer. - Google Patents

Description

S. R. SHELDON.

AIR WASHER. APPLICATION FILED JULY 30, 1912.

Patented May 20, 1913.

W/TNCSJES. lNVE/VTOR QOLUIIIA PLANOGIAPH CO" WASHINGTON. D. C.

UNITED sTA s PATENT OFFICE. l

sr'nivnv RANDOLPH SHELDON, or eALnoNrARIo, CANADA.

AIR-WASHER.

Specification of Letters Patent.

AppIication filed July 30, 1912. Serial No. "212,346.

To all whom it may concern Be it known that I, SIDNEY RANDOLPH 1 SHELDON, of the town of Galt, in the county of Waterloo, in the Province of Ontario, Canada, have lnvented certain new and useful Improvements in'Air-Washers, of which r the following is the specification.

My invention relates to improvements in air washers and the object of the invention is to use the head or pressure created by the circulating pump of the air washer for operating the flushing mechanism of the spray I side wall partially removed. Fig. 3, is a de-. tail elevation of the valve and the operating.

heads and it consists essentially of a series of spray heads arranged in a vertical plane so that the spray therefrom forms a vertical sheet of water, a centrifugal pump and 1 pipes leading to the spray heads for supplying the same with water, a valve and operating mechanism therefor operated by the falling water, a pipe connecting the valve to the pump and pipes connecting the valve f. with the spray heads to operate the flush mechanism thereof at predetermined intervals as hereinafter more particularly ex- 'plained by the following specification.

Figure 1, is a face elevation of an air washer. Fig. 2, is a side elevation with the mechanism therefor. Fig. 4 is a longitudinal section through the valve. Fig. 5, is a cross section, on line w-y Fig. 4. Fig. 6, is a sectional detail of a spray head.

In the drawingslike letters of reference indicate corresponding parts in each figure.

A is theframe of the air washer provided with the usual screens A and water tank A B is a centrifugal pump designed to force water from the tankA through the pipes B- and B to the feed pipes B leading to the spray head's.

C are the spray heads which comprise the tubular portion C and a central chamber G into which the feed pipes B lead.

0 is the central operating spindle of the. spray head provided at one end with a spray nut C and operating diaphragms C.

' and C at the other end. The diaphragms are secured at their edge in theenlargement G of the spray head. The spindle C is journaled in a longitudinal bearing 0* spray head. It will forming part of the maincasting of the p be seen that when water is sup plied through the feed pipes 13 that such water is forced through the annular open- PatentedMay20,1913.

ing G between the spray nut C and the tubular portionC of the main casting of the spray head. As such water is driven (see Fig. 4c) and at the opposite end with a 7 covering cap D having a central orifice D. D 1s a feed pipe designed 'to convey water from the pipe B of the centrifugal pump to the valve D.

E is the inner turnable member of the valve (see Fig. 4). The turnable member E is tubular and is provided at one end with an operating spindle E. The opposite end of the turnable member'E is open so that the water passing from the feed pipe D is fed into the center of the turnable member.

E is an opening (see Fig. 5) leading through the wall of the turnable member.

E is a channel formed longitudinally in the periphery of the turnable member.

F. and E are vertical pipes leading from the outer casing D of the valve D.

E are branch pipes extending-from the pipe E and provided with supplemental branch pipes E leading into the enlargement Cf of the spray head behind the diaphragm C The pipes E extend vertically upwardly above the uppermost row of spray F is a link connecting the arm F with the forward end of the pan F.

heads 0. 1

F is a tiltable pan journaled on trunnions F.

F is an arm secured on the end of the spindle E.

F is a counterweight secured to the opposite end of the pan.

It will be understood that the valveis normally in the position shownin the drawing.

The water supplied by the centrifugal pump;

passes into the portion G of the spray head so as to exert pressure against a smaller diaphragm C The pan F is gradually filled with water falling from the spray heads until the weight of the water in the forward end of the pan ove-rbalances the counterweight F The pan then tips down in the direction of arrow (see Fig. 3) turning the spindle E and inner turnable valve member E until the opening E is brought opposite the pipe E The water pressure then passes from the pipe D through the center of the turnable member E and pipe E to the back of the large diaphragm It will be readily understood that the pressure against the large diaphragm C will overcome the pressure against the smaller diaphragm C and will, therefore, carry the spindle G in the direction of arrow to flush the spray head. As soon as the pan F becomes empty, of course, it will return to its normal position by means of the counterweight F. When in such position the longitudinal passage E of the turnable member E of the valve will connect the pipe E with the pipe E allowing the water pressure on the diaphragm C to be relieved to the atmosphere through the pipe E. It will thus be seen that when'the valve is turned to the flushing position, the pipe E is always full of water, and therefore, water pressure i8 immediately conveyed to the diaphragm It will, of course, be understood that the operation has to be repeated a few times when starting the machine to fill the pipes E The pipe IE will then always be maintained full of water and also the space at the back of the diaphragm C will be full of water when the diaphragm is in its released position.

From this description it will be seen that I have devised a simple form of air washer which will be operated only by water pressure and that there will be practically no consumption water in the volume to operate the machine.

lVhat I claim as my invention is 1. An air washer comprising a series of spray heads having spray openings, and a flush mechanism whereby such openings are enlarged, a valve, and means for operating the valve at predetermined intervals to sup-.

ply water pressure to the spray heads for operating the flush mechanism thereof, as and for the purpose specified.

2. An air washer comprising a series of spray heads having spray openings, and a flush mechanism whereby such openings are enlarged, a valve, means for operating the valve at predetermined intervals to supply water pressure to the spray heads for operating the flush mechanism thereof, and means for automatically releasing such water pressure to the atmosphere when the valve is carried to its normal position, as and for the purpose specified.

3. In an air washer, the combination with a spray head having a spray opening, a

the spray head to form the spray, and eXert pressure against the minor member, of a valve, and means controlled by the valve for conveying water pressure to one side of the major member to oppose the pressure against the minor member and carry the spindle longitudinally, and means for re lieving the pressure against the major member to the atmosphere when the valve is in its normal position, as and for the purpose specified.

5. In an air washer, the combination with a spray head having a major and a minor diaphragm, of means for conveying water to the spray head to form the spray and exert pressure against the minor diaphragm, of a valve designed to convey water pressure against the major diaphragm to oppose the pressure against the minor diaphragm, means for relieving the pressure against the major diaphragm to the atmosphere when the valve is in its normal position, and means for operating the valve by the water falling from the spray head, as and for the purpose specified.

6. In an air washer, the combination with a series of spray heads provided with spray openings, each having a major and a minor diaphragm, means for delivering water to said spray heads in contact with the minor diaphragm constantly, and means for intermittently delivering water to said heads in contact with the major diaphragm to automatically flush said heads periodically.

7. In an air moistener, the combination with spray heads, of a valve casing having an inlet opening, a pipe leading from the valve casing to the spray heads, a pipe leading from the valve casing to the atmosphere above the spray heads, and an inner valve member designed to alternately con-- nect the inlet to the pipe leading to the spray heads, and to cut off the inlet from the pipe leading to the spray head and simultaneously connect the pipe leading to thespray heads to the pipe leading to the atmosphere above the spray heads, as and for the purpose specified.

8. In a control device for spray heads for air washers, a series of spray heads, a valve casing having an inlet opening, a pipe lead, ing from the valve casing to the spray heads, a pipe leading from the valve casing to the 5 the pipe leading to the spray heads and simultaneously connect the pipe leading to the spray head to the pipe leading to the atmosphere, and means for reciprocating the inner valve member, as and for the purpose specified.

9. In a control device for spray heads for air Washers, a series of spray heads, a valve casing having an inlet opening, a pipe leading from the valve casing to the spray heads,

a pipe leading from the valve casing to the atmosphere above the spray heads, a tiltable pan designed to receive water and tilt when full, means for holding the pan normally level when empty, a turnable valve member, a suitable connection between the pan and the turnable valve member, and means in the turnable member for alternately connectingthe inlet with the spray pipe, and

the spray pipe with the pipe leading to the atmosphere, and simultaneously cut oil the valve inlet from the spray pipe when operated by the pan, as and for the purpose specified.

In testimony whereof I have signed my v name to this specification, in the presence of twowitnesses.

SIDNEY RANDOLPH SHELDON.

Witnesses:

ROBERT DoNALosoN, J. A. STEPHENSON.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents,

. Washington, I). C.

Images