IMPROVEMENTS IN APPARATUS FOR FORCING AND RAISING AND MEASURING FLUIDS
Year: 1884

page_text: We JAMES CAMBELL STEVENSON of 11 Alice Street Liverpool in the, County of
Lancaster, Engineer, JAMES FORMBY of Church Street Egremont in the County of
Chester, Engineer, and CHARLES KEIZER of 32 Clifton Road, Tue Brook, Liverpool
in the County of Lancaster, Engineer, do hereby declare the nature of said invention
for "IMPROVEMENTS IN APPARATUS FOR FORCING AND RAISING AND MEASURING
FLUIDS" to be as follows:-
This invention relatos to improvements in apparatus for forcing or raising fluids
and approximately measuring the same.
In one form of apparatus according to this invention for forcing or raising and
approximately measuring fluids, say, for example, beer, we dispense with the
ordinary hand pump, and erect, in a convenient position, a beer pump of large size
in comparison with the ordinary hand pumps.
Into the barrel or cylinder of this pump a suitable piston works fitted with cup
leathers for forming the fluid tight joint or packing between it and the inner
surface of the cylinder barrel. To this piston a piston rod is attached of sufficient
length to work through a stuffing box and into a hydraulic cylinder of smaller
capacity than the beer pump and also to allow of the working of a bush placed on
said piston rod between the said cylinders.
To that end of the piston rod within the hydraulic cylinder a double cupped
leather piston is attached, which works within the said hydraulic cylinder.
This cylinder is provided with inlet outlet and exhaust pipes or openings and
with an ordinary short slide valve similar to those usually employed in steam
engines or other suitable valve. The slide valve may be operated in various ways
as for instance by means of a small crank fitted on to a rocking shaft, which may
partially rotate inside the valve chest. On to one end of said rocking shaft, which
extends through a stuffing box placed on or formed with one side of the valve
chest, a hand lever is fixed for actuating the slide valve, so as to admit water
under pressure to either side of the hydraulic piston. Instead of using the rocking
shaft and crank above described, we may use a direct acting valve spindle, or one
provided with a screw thread for moving the said valve according to requirements.
The power required for working the hydraulic cylinder may be obtained by
using water from the towns main or other suitable store the size of the hydraulic

page_text: cylinder employed being determined by the pressure of the water in the mains, and
the power required to raise or force the beer or other fluid to any desired place.
The beer pump is provided with suction and delivery valves and from the
delivery valve side a pipe is fixed extending to the place from whence it is
required to draw the beer. The beer and hydraulic cylinders may be conveniently
placed in a vertical position one directly over the other.
To measure a given quantity of beer say a gill or a pint or a larger quantity
according to requirements, stops are provided, which are conveniently arranged so
that the attendant can draw one of these stops out a little say from a fixed guide
or board.
2 $
By this motion the stop is caused to approach close to or partially embrace that
portion of the piston rod between the bush placed thereon and the beer piston so
that when the slide valve is moved so as to admit water under pressure to the
upper side of the bydraulic piston it will descend until the bush comes upon the
stop that has been withdrawn thereby preventing the said hydraulic piston from
descending further, and the beer pump-piston in descending will have displaced and
discharged the desired quantity of beer. The attendant by then reversing the
motion of the slide valve causes the pistons to rise, thus filling the beer cylinder
ready for the next discharge. Thus it will be seen that by employing these stops
placed at different distances apart a given quantity of beer or other fluid may be
drawn out without measuring it in the ordinary way.
Instead of employing a slide valve of the kind above mentioned and operated by
a hand lever in both directions we may employ a valve provided with a suitable
spring or springs in such a manner that after the valve has been operated in one
direction by the hand lever so as to admit water under pressure to the upper side
of the piston in the hydraulic cylinder, the said spring or springs shall.operate to
bring the said valve into its exhaust position for that end of the cylinder, or into
the position necessary to allow the water to pass to the. underside of the piston and
thereby raise both pistons in their respective cylinders ready for the next discharge
or draw.
We would have it understood that apparatus according to this invention may be
constructed in modified forms to suit different requirements under different circum-
stances without departure from the essential features of this invention.

page_text: 4.
I
We JAMES CAMPBELL STEVENSEN of 11 Alice street Liverpool in the County of
Lancaster Engineer, JAMES FORMBY of Church Street Egremont in the County of
Chester Engineer, and CHARLES KEIZER of 32 Clifton Road Tue Brook Liverpool
in the County of Lancaster, Engineer do hereby declare the nature of the said
invention for IMPROVEMENTS IN APPARATUS FOR FORCING AND RAISING AND
MEASURING FLUIDS and in what manner the same is to be performed, to be
particularly described and ascertained in and by the following statement:-
This invention relates to improvements in apparatus for forcing or raising liquids
from a lower to a higher elevation such as beer from a cask or receptacle in a
cellar to a bar or saloon above, and for delivering the said liquids in quantities
approximately measured.
The object is to provide apparatus which will do the work with steadiness and
regularity and without undue disturbance of the beer or liquid.
"The invention consists essentially in the combination of a lift and force pump
with a hydraulic engine substantially as hereinafter set forth.
A simple form of apparatus which we have found to act advantageously consists
essentially of a beer pump of comparative large size containing a piston fitted with
cup leathers for making a fluid tight joint between it and the inner surface of the
cylinder or barrel of the pump.
.
To this piston a piston rod is attached, of sufficient length to work through a
stuffing box and into a hydraulic cylinder of smaller capacity than the beer pump
and also to allow of the working of a bush placed on said piston rod between the
said cylinders.
To that end of the piston rod within the hydraulic cylinder a double cupped
leather piston is attached which works within the said hydraulic cylinder.
This cylinder is provided with inlet and outlet or exhaust pipes or openings and
with an ordinary short slide valve similar to those usually employed in steam
engines or other suitable valve.
The valve may be operated in various ways as for instance by means of a small
crank fitted on to a rocking shaft which may partially rotate inside the valve
chest.
On to one end of the said rocking shaft which extends through a stuffing box
placed on or formed with one side of the valve chest, a hand lever is fixed for
actuating the slide valve so as to admit water under pressure to either side of the
hydraulic piston.
Instead of using the rocking shaft and crank above described, we may use a direct
acting valve spindle, or one provided with a screw thread for moving the said
valve according to requirements.
The power required for working the bydraulic cylinder may be obtained by using
water from the towns main or other suitable store the size of the hydraulic cylinder
employed being determined by the pressure of the water in the mains, and the
power required to raise or force. the beer or other fluid to any desired place,

page_text: The beer pump is provided with suction and delivery valves and from the
delivery valve side a pipe is fixed extending to the place from whence it is required
to draw the beer.
The beer and hydraulic cylinders may be convéniently placed in a vertical position
one directly over the other.
To.measure a given quantity of beer or liquid say a gill or a pint or a larger
quantity according to requirements -stops are provided, which are conveniently
arranged so that the attendant can draw one of these stops out a little, say from
a fixed guide or board.
Fig 1 is a longitudinal section of apparatus under our invention, and fig 2 a plan
for forcing raising and measuring liquids. The beer or liquid pump consists of a
cylinder a to which is fitted a valve box b,having suction and delivery valves c d.
e pipe leading to the cask or receptacle. f pipe leading to the delivery tap 9,
h piston in cylinder a. i cup leather, j piston rod coupled to the hydraulic piston k
cup leathers, m.hydraulic cylinder, n stuffing boxes, o air way at top of beer or
liquid pump. If desired the pump instead of having a separate valve box as shown
might have valves arranged as indicated by the dotted lines, in this case the
delivery pipe would be coupled to the pump at o as shown by the dotted lines,
and the action as hereinafter described would be reversed. p bush secured to the
pistón rod for the purpose of regulating the length of stroke. q inlet and r outlet
or exhaust openings in the hydraulic cylinder m. 8 slide valve t spindle and crank
for giving motion to the slide valve. The said spindle and crank are shown coupled
by the lever and rod to the handle w of the tap g, x adjustable stops to regulate
the motion of the pistons by means of the bush p.
The action of the apparatus when charged is as follows:-The attendant draws
or pushes out one of the stops so as to partly embrace the piston rod between
the bush and the beer or liquid cylinder. The tap wis opened and the slide
valves moved by means of the connecting rod v so as to admit water to the upper
side of the hydraulic piston which will then descend until the bush comes upon
the stop that has been pushed or drawn out. The said piston is thereby prevented
from descending further and the piston in descending will have displaced and
discharged the desired quantity of beer or liquid. The attendant then closes the
tap thereby reversing the position of the slide valve, and causing the pistons to
rise and fill the beer or liquid cylinder ready for the next stroke.
Thus it will be seen that by employing these stops placed at different distances
apart a given quantity of beer or other fluid may be drawn out without measuring
it in the ordinary way.
Instead of employing a slide valve of the kind above mentioned and operated by
a hand lever in both directions we may employ a valve provided with a suitable
spring, springs, weight or weights in such a manner that after the valve has been
operated in one direction by the hand lever so as to admit water under pressure to
the upper side of the piston in the hydraulic cylinder the said spring, springs,
weight or weights shall operate to bring the said valve into its exhaust position
for that end of the cylinder, or into the position necessary to allow the water to
pass to the underside of the piston, and thereby raise both pistons in their respective
cylinders ready for the next discharge or draw.
To effect this latter object many forms of time or gradual closing devices such
as the well known cataract mechanism will suggest themselves to Engineers and
pump makers, and this part of our invention need not be further described.
We would have it understood that apparatus according to this invention may
be constructed in modified forms to suit different requirements under different
circumstances without departure from the essential features of this invention.
Having now particularly described and ascertained the nature of our said
invention and in what manner the same is to be performed, We declare that what
we claim is
First. The combined pump, hydraulic motor and valve regulating appliances
substantially as and for the purpose setforth.

page_text: Second. The combined pump hydraulic motor and automatic valve regulator for.
the purpose setforth.
Third. The combined pump direct acting hydraulic motor and appliances for
regulating the length of stroke of the pistons.
Fourth. Apparatus for raising forcing and measuring liquids substantially as
herein setforth.
Dad 1
11 1
J. T. KING,
Per J. Johnson, Agent.