US1990130A - Submarine diving valve - Google Patents

Description

Feb. 5, 1935. G. 1.. MOOS SUBMARINE DIVING VALVE Filed May 23, 1934 2 Sheets-Sheet 1 lull o 5 8 Feb. 5, 1935. G. L. Moos 1,990,130

SUBMARINE DIVING VALVE Filed May 25, 1954 2 Shets-Sheet 2 Patented Feb. 5, 1935 SUBMARINE DIVING; VALVE Gottlieb Leonz Moos, Eastwood, near Sydney.

Australia j a 'ApplicationMay 23, 1934, Serial No. 727,196 In Australia June 13,1933

z'clai'ms. (01. 61 -70) This invention relates to improvements in the art of submarine diving and includes means whereby air pressures in excess'of atmospheric pressure may be 'maintained in a diving suit without vitiation of the breathing air, at consid-' erable depths below the surface of the water.

It has been common practice for many years in connection with the art of submarine diving to provide a vessel such as a chamber'or a diving dress, in which persons or a person may descend to depths belowthe surface of water, and in order to support life, atmospheric air at considerable pressure is pumped into the chamber or dress as the case may be.

It is also the practice to'regulate the pressure of the air supply to the chamber or dress'so as to maintain a pressure therein considerably above atmospheric pressure, such pressure being increased proportionately with the depth of water to which descent is made. v

The present invention has been devised with I the object of enabling a person to descend toconsiderable depths and to regulate the air for breathing to his requirements;

In diving suits in use at the present time means are provided for the admission of air under pressure to a helmet, the air being discharged, with the vitiated air, from a valve in the helmet disposed usually at the back of the helmet near the neck portion and below the nose level, such valve being in a position to be controlled manually by the diver by'means of an adjusting screw acting upon a light spring provided to close the valve against the internal air pressure.

' The common practice is to adjust the valve so as to allow the air in the helmet to discharge into the water at a pressure above that due to the head of water, it being thought thatthe pressure was necessary to lift the valve against the head of Water above the valve. I

According to the present invention the seat of the valve for the discharge of pressure air from the helmet is disposed parallel to the surface of the water or the valve is protected by a cover or chamber having outlet orifices for the discharged air, situated in the uppermost portion thereof.

The effectiveness of the apparatus at reduced pressure will vary according to the position of the valve seat or the position of the orifices in the cap. The valve seat should preferably be parallel to the surface of the water or the cap over the valve should have the holes for the discharge of the air in such position that the air passes directly upwards in a manner perpendicular to the surface of the water. To counteract against ineffectiveness, for instance as when stoop'ing or leaningforward to grasp an object, it-should be arrangedthat the valve or the valve body maintains a normally adjusted position, for

instance; this may be done by means of a flexible pipe or a universal coupling, orswivel joint, with thehelmet or chamber, such adjustment being assisted by a weight or a float adapted 'to' keep the position of the valve-such that its seat is always parallel to the surface of the water;

If the nature of the valve is such that this cannot be done provision should be made'to protect the valve by a cap or cover, the opening in the top of which is always maintained uppermost irrespective of the position assumed by the diver or chamber.

In order that the invention may be more readily understood reference will now be made to the accompanying drawings which illustrate two forms of valves adapted to discharge air below water.

Referring to the accompanying drawings:

Figure 1 illustrates a valve constructed in accordance with the present invention connected to a diving helmet the latter being shown in broken lines.

Figure 2 is a plan view of the valve shown in Figure 1 drawn to a larger scale.

Figure 3 is a sectional elevation of the valve shown in Figure 2 on the line 33 thereof.

Figure 4 is a plan View of a valve constructed .in accordance with the present invention and I wherein the valve face is disposed in a vertical plane. I

Figure 5 is a sectional elevation on the line 5-5 of Figure 4.

The present invention depends for its operation upon the orifice or orifices for the escape of air from the discharge valve or a casing, or cap surrounding the said valve, being-disposed in such manner that the air stream from the said orifice or orifices passes directly upwards in a direction substantially at right angles to a radius of such orifice or orifices.

In Figure 1 the valve, the subject of the pres-- The sleeve is adapted to be secured to the helmet for instance by screws or bolts passed through the holes in the said-sleeve 8, see Figure 3. The lock nut 9 engages a flange 11 on the valve body 6 and retains the latter in a swivelling condition with relation to the helmet 7.

The valve body 6v has an air port 12 leading from the helmet 'Z'throughthesleeveB said air port being adapted to be closed by a valve 13 under action of a light spring 14, and under the control of the diver by means of the handle 5, I

the operation of which turns a cap 15 with relation to the body 6 and affects a valve 133" 5 The cap 15 is preferably disposed above the valve 13 said cap 15 having-air outlet orifices'16 through which the air from the interior of the helmet 7 is discharged into thewater space above the valve when the apparatus is submerged.

In order to maintain the valve as a whole in its;

charge air, said valve construction being freely mounted upon the said object and being provided with an orifice ororificesthrough which the air, to be discharged passes in a. perpendicular man'- normal position with the discharge orifice ororificesin a condition to allow thedischarged air to 7 pass upwardly in a perpendicular manner from the orifice or orifices, the valve body has an extension 17' which is weighted so as to keep the valve in its normal position irrespective of the position of the helmet '7, for instance such change of position as would be-caused by the diver stooping or leaningforward. Alternatively the weight 1'7 may be replaced by a fioat connected to the valvebody 6. 7

In the valve illustrated in Figures 4' and 5 corresponding numerals indicate corresponding parts asin Figures 1 to 3 but in this instance the valve is disposed in a vertical position instead of in a horizontal position.

The cap 18 in Figures 4 and 5 is in the form of a perforated 'sleeve'upon, which a weighted outer portion 19 is freely mounted by means of the lock ring 20. Movementof the sleeve 14 to situated. I

control the valve 13 is effected by movement of the handle 5. i

As in the former case the outlet orifices 16 for the discharge of air into the water are maintained in their normal position, namely disposed in such manner that the air passes directly upwards Y It will be appreciated that the orifices 16 through which the air is discharged may be so arranged that some if not all of them are disposed in such manner as to permit a substantially perpendicular issue of the discharged air with respect to the plane in which the orifice is I claim:

mersible object from which it is desired to disner from said orifice or orifices when the latter is or are in a'plane approximately parallel to the surface of the water above the said valve, said;

a valve body freelycoupled to said'sleeve, a valve' in the valve body, means for maintainingthe valvebody in a predetermined position, said valve body having an orifice or orifices through which air is discharged-from the said object.

GOTTLIEBLEONZ Moos

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