US893733A - Automatic apparatus for supplying air for many purposes. - Google Patents

Description

PA-TENTED JULY 21, 1908.

I W. HOOKER. AUTOMATIC APPARATUS FOR SUPPLYING AIR'POR MANY PURPOSES.

APPL IGATION FILED MAR.18, 1908.

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WILLIAM HOOKER, OF SOUTH MELBOURNE, VICTORIA, AUSTRALIA.

AUTOMATIC APPARATUS FOR SUPPLYING AIR FOR MANY PURPOSES.

Specification of Letters Patent.

Patented July 21, 1908.

Application filed March 18, 1908. Serial No. 421,938.

To all whom it may concern:

Be it known that I, WILLIAM HOOKER, of 14 Moubray street, Albert Park, South Melbourne, in the State of Victoria, Commonwealth of Australia, a subject of the King of Great Britain, have invented certain new and useful Automatic Apparatus for Supplying Air for Many Purposes, of which the following is a specification.

This invention relates to an electrical apparatus for automatically charging and recharging a vertically-operated holder with air whenever the holder becomes nearly exhausted so that the air supply thus created can be used for many purposes, such as for instance, in the manufacture of petrol air gas, or in the ventilating of rooms. But in order that my invention may be better understood I will now refer to the accompanying sheet of drawings in which like letters represent like parts where they occur in the views.

Figure 1 is a side elevation of the appara- Fi 3 air valve arrangement usable instead of the water seal chamber hereinafter described.

In carrying out my invention I employ any suitable primary cell battery A and place it in circuit with an electric motor (A and an electric switch with handle (B).

The battery is arranged in the box (0) and the switch upon a stud forming part of the framework (1)) provided for supporting the apparatus.

The motor (A carries the grooved pulley (E) upon its spindle (F) for driving the endless belt or cord (G) and the crank driving wheel (H) which is carried by the horizontal shaft (I) suitably mounted in bearings secured to the bracket (J) projected from the frame post (K). (L) is a pitman or connecting rod the lower end of which is suitably jointed with the lever handle (M) of the air bellows (M shown beneath said frame (N). (O) is an air delivery pipe communicating with the interior of said bellows (M and the Water seal chamber (P) provided with the draw oflt' cock (Q). (R) is also another air delivery pipe -lea-ding from said chamber (P) into the air holder (S) which moves vertically within the water tank (T). (U) is an outlet pipe arranged in said holder (S) and provided with the draw off cock (V).

This holder (S) has the arm (W) projected therefrom to operate the vertical rod (X the lower end of which is provided with an india rubber band or strap (X). This band or strap (X) is connected with the handle (B) of said switch which consists of two semi-circular shaped plates (Z) and (Z and the said switch handle for either making or breaking the circuit between the electric motor (A and the battery (A). (Z is a guide stem fixed upon the dome of said holder (S) to pass through the cross bar of the frame (D).

In Fig. 3 (Z is an air disk valve, (Z casing for same, (Z open face valve seat, (Y) circuit wires of electric battery, motor and switch.

The working of my apparatus is as follows :On starting, the switch handle (B) is deflected or moved downwards across both of the switch plates (Z) and (Z so as to allow of the battery current passing into the electric motor (A which now revolves and opcrates the driving belt (G) and crank driving wheel (II). By this means the connecting rod (L) reciprocates the lever handle (M) and pumps air from the bellows (M through pipe (O) to the water seal chamber (P) thence through pipe (R) and into the holder (S) from which it can be drawn off through the cock (V) and used for the desired purpose. As the holder (S) is filled with the air it ascends by the pressure of air introduced carrying with it the arm (W) and rod (X and as it reaches the limit of its travel the switch handle (B) is drawn across the switch plates (Z) and (Z thereby cutting off the electric current and causing the motor to cease working. On the other hand as the air is drawn from the holder (S) through the outlet pipe (U) for the purpose required said holder gradually descends and on approaching its lowest limit the switch handle (B) is moved to an opposite direction thereby establishing the circuit and again setting the motor in action for the further pumping of air into the holder (S).

In lieu of the water seal chamber (P) I may substitute the air valve (Z shown at Fig. 3 in which case communication between the bellows (M and the air holder (S) would be the same.

Having now described my invention what I claim as new and desire to secure by Letters Patent is An automatic air forcing apparatus comprising a stand, a bellows beneath the same,

a crank shaft mounted above the stand hav- 1 and switch for automatically operating the 10 ing a pitman connection to the bellows, an 7 latter, substantially as described.

electric motor for operating said crank shaft, In testimony whereof I have hereunto set a source of electric energy for said motor, an my hand in presence of two subscribing witair tank mounted on the stand and having a nesses.

movable bell, pipe connections between the WILLIAM HOOKER. bellows and tank, a switch for cutting in and Witnesses:

out the source of electric energy, and aflexi- CHARLEs HARKELL, ble and elastic connection between the bell l ALBERT E. S. SwANsoN.

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