Improvements in Steam Traps.
Year: 1888

page_text: Date of Application, 5th Dec., 1888
Complete Specification Left, 2nd Sept.. 1889-Accepted. 5th Oct.. 1889
PROVISIONAL SPECIFICATION.
[Communicated from abroad by WILLIAM WILSON, Mill Manager, and JAMES
SPARROW, Mechanic, both of the Town of Valleyfield, Province of Quebec.]
Improvements in Steam Traps.
I, WALTER BRIERLEY of Town Hall Buildings, Halifax in the County of York,
Patent Agent, do hereby declare the nature of this invention to be as follows:-
This invention presents a trap in which the weight of any given amount of water,
contained therein and regulated at will, will automatically open the outlet valve and
allow the water to run off and it may be described as being constructed on the
principle of a scale, with the operating parts placed externally to the water chamber,
instead of being as in almost all other steam traps situated inside it.
It comprises the following elements, viz. :-a scale beam suitably suspended from a
frame, having hung from one end the water chamber and carrying on the other
a counterpoise capable of being shifted; and a rod attached at one end to the scale
beam so as to be moved by its action and connected at the other to an arm projecting
from a rock shaft through which the discharge valve is operated.
The counterpoise is so adjusted on the beam that the quantity of water desired to
be discharged at a time and contained in the chamber will overcome its inertia raise
it and thereby open the valve. Means are also provided for adjusting the size of the
discharge valve opening according to circumstances.
Dated this 4th day of December 1888.
WALTER BRIERLEY.
COMPLETE SPECIFICATION.
Improvements in Steam Traps.
I, WALTER BRIERLEY late of Town Hall Buildings, now of Central Chambers
Halifax, in the County of York, Patent Agent, 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 presents a trap in which the weight of any given amount of water,
contained therein and regulated at will, will automatically open the outlet valve and
allow the water to run off and it may be described as being constructed on the
principle of a scale, with the operating parts placed externally to the water chamber,
instead of being as in almost all other steam traps situated inside it.
It comprises the following elements, viz. :-a scale beam suitably suspended from,
a frame, having hung from one end the water chamber and carrying on the other a
counterpoise capable of being shifted; and a rod attached at one end to the scale
beam so as to be moved by its action and connected at the other to an arm projecting
from a rock shaft through which the discharge valve is operated.
The counterpoise is so adjusted on the beam that the quantity of water desired to
be discharged at a time and contained in the chamber will overcome its inertia raise it
and thereby open the valve. Means are also provided for adjusting the size of the
discharge valve opening according to circumstances.
Such being the nature and object of my said invention, the following is a complete
description of same, reference being had to the accompanying drawings in which:
Fig. 1. is a side view of the apparatus shown suspended from a frame which will
be placed where most convenient and best adapted to receive the condensed water.
Fig. 2. is a plan view of same with frame partly broken away.
Fig. 3. is a vertical sectional elevation of valve chamber.

page_text: Similar letters of reference indicate like parts.
A is a frame constructed as circumstances may require, and B is a scale beam
suspended in any usual way from same, and having knife edges for the bearing
points, the long arm preferably working in a slot A' in the frame. The water chamber
is formed of a cylinder Chung on knife edge c, from the short arm of beam B
and provided with gauge D. E is the inlet in the top of the chamber and F the
outlet pipe leading from the bottom of the cylinder C to valve chamber G' in which
works the valve G.
H is a rock shaft situated in the outlet extension G' from the valve chamber and
carrying a projection which when the shaft is rocked, comes in contact with the
valve stem 9, and raises it to open the valve, the extent of the upward throw being
controlled by adjusting screw 9', working through the top of the chamber. This
shaft H is actuated by means of rod J connected with scale beam B (through arm B¹)
and the arm J adjustably connected with the outer end of H. K is the counterpoise,
placed on the scale bean so as to slide along it, and Lis an adjusting device consisting
of a nut, washer, and screw, which I usually place in the slot A' to further adjust the
normal position of the scale beam. M is a jet cock arranged in top of cylinder U
and the guage D has a cock for drawing off water.
The working of the trap will be easily seen from the drawings and the foregoing,
but for greater clearness I may say that when it is desired that water should
accumalate in the chamber (until, say, half-full, (as can be seen through gauge D)
the counterpoise K will be so adjusted on the beam that the weight of this given
quantity of water in the cylinder will be sufficient to raise the end of the beam on
which the counterpoise K is set and thereby, through the rod J lifted by the upward
movement of the beam and rocking the shaft H, the valve G is lifted and the water
allowed to drain off through the outlet G³.
The adjustability of the normal position of the beam (by means of the device L)
and also that of the arm J in its position relatively to the rock shaft H, together
with the action of the screw g' render it possible to so adjust the volume of the
automatic discharge that it may either act as a flush or simply dribble out.
Having now particularly described and ascertained the nature of my said inven-
tion, and in what manner the same is to be performed, I declare that what I
claim is
(1.) In a steam trap the combination of the following elements; a water cylinder
having inlet, and outlet with valve chamber and valve; a scale beam suspended from
a frame and from end of which the cylinder is hung; a counterpoise carried on and
slid along such beam and connections between the scale beam and the outlet valve
all as and for the purpose set forth.
-
(2.) The combination of frame A having slot A', scale beam B and adjusting
device for same cylinder C, hung from such beam and valve chamber, containing
valve, attached thereto; rod J and adjustable arm J' for connecting it with rock
shaft H, and adjusting screw g¹ working through top of chamber, all as herein set
forth and for the purpose described.
Dated this 30th day of August 1889.
WALTER BRIERLEY..