Year: 1886

page_text: We, GEORGE JENNINGS, SIDNEY JENNINGS and JOHN MORLEY all of Palace
Wharf, Stangate, Lambeth, in the County of Surrey, Sanitary Engineers do hereby
declare the nature of this invention to be as follows:-
The improved flushing cistern is divided into three compartments; in one a ball
valve is provided, by which the apparatus receives water from the main or other
source of supply. The water passes from the first compartment to the second by a
passage through the bottom of the first compartment and in connection with this
passage a valve is provided. The second compartment is of a capacity to contain
the maximum quantity of water which it is desired to deliver at one action of the
apparatus. This compartment has in the bottom a delivery passage of large area
and this also is provided with a valve-Immediately beneath the second compart-
ment is the third compartment, and this is of a capacity to contain sufficient water
for an after flow. This third compartment is provided. with an outlet valve
immediately beneath the valve of the second compartment and the lower valve has
a passage of large area through it continued up to such a height that when the
valve is on its seat the after flow compartment can be filled. These valves are all
closed by their own weight they have rods connected with levers adapted to be
acted upon by tappets upon an axis.
The rod of the main delivery valve or that which allows the water to pass out
from the second compartment is hollow, and the rod of the after flow valve passes
up through it.
The axis above mentioned is partly rotated when it is desired to bring the
apparatus into action by a pull wire or other connection and afterwards a counter-
weight causes it to return.
The action of the apparatus is as follows:-when the axis is turned by the pull
wire or other connection the tappets first permit the valves in the first and third
compartments to drop to their seats so that now no more water can pass into the
second or main flushing compartment of the apparatus, and the after flow com-
partment is ready to retain water within it. Immediately afterwards the movement
of the axis causes the main flushing valve to be opened and water rushes rapidly
out of the main compartment. Some of the water passes down by the passage
CD

page_text: through the after flow valve, and this forms the main flushing supply whilst the
remainder of the water missing this passage is retained in the after flow
compartment.
On the pull wire or other connection being released the axis returns to its
original position, the after flow valve then lifts allowing the after flow water to
pass away, so that (the apparatus being used in connection with a water closet)
the after flow water enters the pan after the pan valve has closed and it there
remains.
During the return of the axis also the main flushing valve closes and the valve
by which the second compartment fills opens and allows water to pass into it from
the first compartment to which a further supply comes from the main.

page_text: Improvements in Flushing Cisterns.
We, GEORGE JENNINGS, SIDNEY JENNINGS and JOHN MORLEY all of Palace'
Wharf Stangate Lambeth in the County of Surrey Sanitary Engineers do hereby
declare the nature of this invention and in what manner the same is to be per-
formed to be particularly described and ascertained in and by the following
statement:
The improved flushing cistern is divided into three compartments: in one a ball
valve is provided, by which the apparatus receives water from the main or other
source of supply. The water passes from the first compartment to the second by a
passage through the bottom of the first compartment and in connection with this
passage a valve is provided. The second compartment is of a capacity to contain
the maximum quantity of water which it is desired to deliver at one action of the
apparatus. This compartment has in the bottom a delivery passage of large area
and this also is provided with a valve. Immediately beneath the second compart-
ment is the third compartment, and this is of a capacity to contain sufficient water
for an after flow. This third compartment is provided with an outlet valve
immediately beneath the valve of the second compartment and the lower valve has
a passage of large area through it continued up to such a height that when the
valve is on its seat the after flow compartment can be filled. These valves are all
closed by their own weight they have rods connected with levers adapted to be
acted upon by tappets upon an axis.
The rod of the main delivery valve or that which allows the water to pass out
from the second compartment is hollow, and the rod of the after flow valve passes
up through it.
The axis above mentioned is partly rotated when it is desired to bring the
apparatus into action by a pull wire or other connection and afterwards a counter-
weight causes it to return.
The action of the apparatus is as follows: when the axis is turned by the pull
wire or other connection the tappets first permit the valves in the first and third
compartments to drop to their seats so that now no more water can pass into the
second or main flushing compartment of the apparatus, and the afterflow compart-
ment is ready to retain water within it. Immediately afterwards the movement
of the axis causes the main flushing valve to be opened and water rushes rapidly
out of the main compartment. Some of the water passes down by the passage
through the after flow valve, and this forms the main flushing supply whilst
the remainder of the water missing this passage is retained in the after flow
compartment.
On the pull wire or other connection being released the axis returns to its
original position, the after flow valve then lifts allowing the after flow water to
pass away, so that (the apparatus being used in connection with a water closet)
the after flow water enters the pan after the pan valve has closed and it there
remains.

page_text: During the return of the anis the main Bushing valve closes and the vaive
by which the second compartment fills opens and allows water to pass into it from
the first compartment to which a further supply comes from the main.
In order that our said invention may be fully understood and readily carried
into effect we will proceed to describe the drawings hereunto annexed.
wing valve Closes and the valve
by which the second compartment fills opens and allows water to pass into it from
the first compartment to which a further supply comes from the main.
In order that our said invention may be fully understood and readily carried
into effect we will proceed to describe the drawings hereunto annexed.
DESCRIPTION OF THE DRAWING:
Figure 1 is a plan of a flushing cistern constructed in accordance with our
invention.
Figure 2 is a vertical section on the line 1-1 in Figure 1.
Figure 3 is another vertical section taken at a short distance to the front so that
the valve gear seen in section in Figure 2, appears in Figure 3 in elevation.
Figure 4 is a transverse vertical section on the line 2-2 in Figure 1.
Figure 5 is an elevation showing full size a portion of the mechanism by which
the valves are worked.
Figure 6 is also an elevation and shows the same mechanism in another position.
Figure 7 is a plan of the same.
Figure 8 is a plan of the tappit axis.
Figure 9 an end elevation of the same.
a. b. and c. are the three water compartments :-the compartment a need be no
larger or deeper than is requisite to accommodate the ball float d which controls
the admission of the supply from the main or other source by the tap or valve e.
In the bottom of the compartment a is an opening fitted with a valve f. A weight
holds this valve to its seat and the valve is lifted when required by a link g
connected with an arm h¹ on the tappit axis h.
By partly rotating the axis h as herein after described the valve f can be lifted
and when the axis returns the valve again descends to its seat and it closes before
the axis completes its movement; a loose connection between the valve and link
permitting of this.
The compartment b fills from the compartment a when the valve fis raised as
seen in Figure 4. The compartment b is of a size to contain the maximum
quantity of water to be delivered at a single action of the apparatus.
An aperture at the bottom of the compartment b connects it with the com-
partment c; this aperture is fitted with a valve i also weighted to hold it to its
seat and provided with a hollow rod i¹ by which it is lifted to open the aperture
and discharge its contents. The third compartment c is beneath the compartment b
it is provided with an air passage c¹ passing up the side of this compartment.
There is an outlet ; through the bottom of the compartment o through which
the water is delivered to the pan of the water closet or other place where it is
required. This outlet is closed by a valve k, having a wide tubular stem k passing
up from it into the aperture in the. bottom of the chamber b and beneath the
valve which as is seen in Figure 2 is of a bell like form. The rod k* from which
the valve k is suspended passes up through the hollow rod ; it is jointed to a
lever or link l. having for its fulcrum, a pin m³ carried in a bracket m. fixed to the
side of the cistern; on the same pin also a double lever or link o, is mounted it
terminates in hooks o' o¹ adapted to engage with pins ix on the rod i¹.
The tappit axis is mounted in bearings on the side of the cistern and at one
end it has fixed upon it the lever r. carrying a weight 1. The lever has also an
arm on the side opposite to the weight and a wire or cord a is attached to the
arm. A pull on the wire causes a partial rotation of the axis in one direction and
when the wire is released the gravitation of the weight causes the rotation of the
axis in the contrary direction. The weight is stopped by the side of the cistern
with which a plug of india rubber inserted into the side of the weight comes in
contact. hh is a double tappit on the tappit axis h, it operates beneath the
double lever or link o. to lift it and with it the valve i at the proper time. h³ is
another tappit which similarly operates upon the link to lift the valve k.

page_text: In the Figures 3. 4 and 5 the parts are in the position of rest with the weight
at its lowest. The valve fis now lifted and the compartments a. and b. fill, the
water entering by the ball tap e until stopped by the rise of the float d.
When the wire s is pulled the parts assume the position indicated in Figure 2.
The valve fis now on its seat so that the compartment a remains full and no more
water can enter by the tap e. The tappit h has operated to lift the valve i and
the charge of water in the compartment b is delivered. The greater part of it at
once passes down the passage k through the valve k into the outlet ; but some
of it missing the mouth of the passage k is received into the compartiment c where
it is detained.
On the release of the wire the valve k is lifted and the water in the com-
partment c is delivered as an afterflow.
The valve i at the same time drops to its seat and the valve f is lifted.
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 :-
1. A flushing cistern having three compartments a. b and c; the first receiving
the supply by a tap c. controlled by a float d and discharging into the second past
a valve f; the second of suitable capacity to contain the flushing charge being
provided with the outlet valve i and the third compartment receiving from the
second the water for the after flow and delivering it by a valve k; the said
valves f,i and k being so connected that when i is open f and k are closed.
2. In a flushing cistern the device for obtaining an after flow consisting in
providing, beneath the outlet from the measuring compartment b, a valve k in an
after flow compartment c; the said valve having a passage ¹ through it by which
the bulk of the water passes direct from the compartment b, to the delivery at j
whilst a portion is retained in the compartment c.
3. The mechanism for operating the valves f. i. and substantially as described.
4. The improved flushing cistern substantially as described.