Improvements in and relating to Means for Raising and Drawing-off Liquids, particularly Beer and the like
Year: 1898

page_text: Improvements in and relating to Means for Raising and Drawing-off
Liquids, particularly Beer and the like,
WILLIAM WALSII, of 4, Burwell Road, Nottingham, Plumber, do hereby declare
the nature of this invention to be as follows:-
:-
This invention has reference to improvements in and relating to means for
raising and drawing-off liquids particularly beer and the like, the object of the
invention being the provision of means whereby the liquid in the vessel to be
emptied can be intermittently withdrawn by a pump or other similar instrument
without being agitated in that vessel by the stroke of the pump, and without
being subjected to atmospheric influences after having left the vessel to be emptied
for more than an inappreciable amount of time, and the arrangement of the
above mentioned, means in such a way that drippings and the like may be returned
to the supply practically as such drippings are formed.
According to this invention an intercepting vessel is placed between the vessel
to be emptied and the pump, and is connected to the latter by any ordinary arrange-
ment of piping. The intercepting vessel is connected to the vessel to be emptied
by any arrangement of piping employed in obtaining an automatic and regular
flow of liquid to replace the liquid drawn from the intercepting vessel by the
pump. The intercepting vessel is provided with an air pipe the upper end of
which is advantageously placed above the highest level of the liquid in the vessel
to be emptied. This air pipe is fitted with a float valve which opens to admit
air when the pump is being operated and is closed by the inflow of liquid from
vessel to be emptied and protects the liquid in the intercepting vessel from
atmospheric influences. The air pipe and its valve may be so arranged in con-
junction with the supply to the intercepting vessel that the surface of liquid in
the intercepting vessel exposed to atmospheric influences never exceeds the area
of the air pipe.
When it is desired to automatically return the drippings and the like to the
supply, a receptacle collecting or receiving such drippings or the like is connected
to the air pipe above the valve in the same, and when this valve opens to admit
air the collected drippings or the like intermingle with the liquid in the inter-
cepting vessel, or the drippings or the like may be returned to the intercepting
vessel by an independent pipe provided with a float valve or a tap controlled by
hand.
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page_text: Improvements in and relating to Means for Raising and Drawing-off
Liquids, particularly Beer and the like.
WILLIAM WALSH, of 4, Burwell Road, Nottingham, Plumber, do hereby declare
the nature of this invention and in what manner the same is to be performed, to
be particularly described and ascertained in and by the following statement:.
This invention has reference to improvements in and relating to means for
raising and drawing-off liquids, particularly beer and the like, the object of the
invention being the provision of means whereby the liquid in the vessel to be
emptied can be intermittently withdrawn by a pump or other similar instrument
without being agitated in that vessel by the stroke of the pump, and without
being subjected to atmospheric influences after having left the vessel to be emptied
for more than an inappreciable amount of time, and the arrangement of the
above mentioned means in such a way that the drippings and the like may be
returned to the supply practically as such drippings are formed.
According to this invention an intercepting vessel is placed between the vessel
to be emptied and the pump, and is connected to the latter by any ordinary arrange-
ment of piping. The intercepting vessel is connected to the vessel to be emptied
by any arrangement of piping employed in obtaining an automatic and regular
flow of liquid to replace the liquid drawn from the intercepting vessel by the
pump. The intercepting vessel is provided with an air pipe, the upper end of
which is advantageously placed above the highest level of the liquid in the vessel
to be emptied. This air pipe is fitted with a float valve which opens to admit
air when the pump is being operated and is closed by the inflow of liquid from
vessel to be emptied and protects the liquid in the intercepting vessel from
atmospheric influences. The air pipe and its valve may be so arranged in con-
junction with the supply to the intercepting vessel that the surface of liquid in
the intercepting vessel exposed to atmospheric influences never exceed the area
of the air pipe.
When it is desired to automatically return the drippings and like to the
supply a receptacle collecting or receiving such drippings or the like is connected
to the air pipe above the valve in the same, and when this valve opens to admit
air the collected drippings or the like intermingle with the liquid in the inter-
cepting vessel, or the drippings or the like may be returned to the intercepting
vessel by an independent pipe provided with a float valve or a tap controlled by
hand.
In the accompanying drawings
Fig. 1 is an elevation of the general arrangement of the means hereafter
explained, and
Fig. 2 is a section of the float valve arrangement.
In the arrangement shown the pump a of any ordinary decription is connected
by a pipe b to the bottom of the interceptor c which is also connected from near
the top of the same by a pipe d to a vessel e required to be emptied or the pipe d
may be connected to two or more vessels if it is desired to withdraw liquids there-
from simultaneously and the liquids from such vessels would then be mixed
together in the intercepting vessel. The pipe d may be connected by the custom-
ary tap at or near the bottom of the vessel e but by preference a syphon f is used
as this enables the vessel e to be emptied without disturbing the contained liquid
by tilting. At the top of the interceptor c there is an air pipe g fitted with a
float valve of the kind shown in Fig. 2, and comprising a hollow rubber ball
valve provided with a guard k to prevent the valve falling on the top of the

page_text: opening into the interceptor. Preferably the valve and its guard are arranged
within a glass cylinder m inside a metal case which is connected to the inter-
ceptor by a union joint r. The casing is designed to form the valve seat n, and
is provided with a union o for carrying a length of air pipe or for coupling up
the drip pipe, the joints at the ends of the glass cylinder being made secure by
rubber or leather washers p..
When it is desired to return the drippings to the interceptor a drip tin tis
placed under the pump spout or in any other convenient position, and is connected
to the top of the interceptor by a pipes which may be joined to the air pipe
above the valve or it may as shown have a separate inlet and be provided with a
float valve.
The interceptor may be constructed of any material upon which the liquid to
be raised has no chemical action, and in conjunction with the inlet and outlet
pipes is of such a size that it cannot be emptied by the pump under ordinary
conditions so long as the flow from the vessel e is continued.
By the use of the arrangement herein described the pump at the commencement
of its stroke draws upon the liquid in the interceptor thus reducing the quantity
of liquid and rendering it possible for the pressure of the atmosphere to open the
air valve, and by the admission of air to the interceptor enable the pump to
continue drawing its supply from the interceptor. At the same time liquid
automatically commences to flow from the vessel to be emptied and continues
to flow regularly until the liquid supplied to the interceptor is greater than the
quantity withdrawn. The inflowing liquid then raises the float valve which is
forced upon its seat the air inlet closed and the inflow stopped.
The position of the float valve should be below the bottom of the vessel to be
emptied to ensure a sufficient pressure of liquid for closing the valve, and the air
pipe above the valve may be carried to any convenient height.
When a siphon is used it may be started by any of the ordinary means or
there may be means for closing the air pipe from the outside and the siphon may
then be started by working the pump. The opening in the drip tin to the drip
pipe is preferably fitted with a grating to prevent air being carried down the
pipe with the drippings.
Having now particularly described and ascertained the nature of my said
invention and in what manner the same is to be performed I declare that what
I claim is:-
In an arrangement of means for intermittently raising and drawing-off liquids
by a pump or similar instrument the use of an intercepting vessel placed between
the vessel to be emptied and the pump or similar instrument such intercepting
vessel being provided with an air inlet fitted with a float valve constructed arranged
and operating substantially as herein described with reference to the accompanying
drawings.