Improvements in Temperature Regulators.
Year: 1892

page_text: Date of Application, 17th Feb., 1892-Accepted, 7th May,
1892
COMPLETE SPECIFICATION.
[Communicated from abroad by THE CONSOLIDATED CAR HEATING COMPANY,
of Wheeling, West Virginia, United States of America.]
Improvements in Temperature Regulators.
I, HENRY HARRIS LAKE, of the firm of Haseltine Lake & Co. Patent
Agents, 45 Southampton Buildings, in the County of Middlesex, 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 relates to new and useful improvements in temperature regulators,
especially designed for regulating the temperature in cars.
The invention consists,
First In the peculiar construction and arrangement of the thermostat.
Second-In the peculiar construction and arrangement of a frame connecting
the frame of the thermostat with the casing of the valve which is designed to be
controlled, and the connection between the thermic cell and the valve, and
Third In the peculiar construction and arrangement of the valve in a fitting of
the supply piping, all as more fully hereinafter described.
In the accompanying drawings,
Fig. 1 is a perspective view showing the arrangement of my improved temperature
regulator to control the admission of steam to heat a railway car, the construction
and arrangement of the radiators being omitted.
Fig. 2 is an enlarged front elevation of the thermostat showing its connection
with the valve the valve and part of the connecting mechanism being shown in
section.
Fig. 3 is a vertical, central section on line a x in Fig. 1.
B the main steam supply pipe
A represents a part of the floor of a railway car.
from the locomotive or other suitable source of steam, and C is the branch pipe
for conveying steam from the main pipe to the radiators or heaters in the car.
This supply pipe I preferably extend to one side of the car, for the purpose of
placing a valve in said pipe in line with the side of the car, for the purpose more
fully hereinafter described, and at the end of this lateral extension, I employ a
return bend, which forms the valve casing. The pipe E from this return bend is
suitably branched to supply steam to the various radiators in the car.
perfectly drain the water of condensation from the steam supply, I incline the
pipe C upwardly from the train pipe to the return fitting, and by making the
apertures in the return at different levels I can incline the supply pipe therefrom
up to the radiators.
In order to
In the return fitting I form the apertured cross wall or partition F, the lower
wall of the casing being apertured in line with the aperture, and both apertures
being screw threaded to receive the cylindrical plug G, the upper end of which
forms a seat for the valve disc H secured to the stem I which passes through a
stuffing box J on the casing. The plug has suitable apertures K to allow steam
to enter from the lower chamber in the casing and pass up through the plug, when
the valve is opened.
car.
The thermostat for controlling the valve consists of a frame a, having suitable
means for securing it to the side of the car, or other suitable fixed place in the
b is a screw threaded boss at the lower end of the frame adapted to receive
the upper end of a pipe d, the lower end of which engages in the nipple e which
is secured to the valve casing. In this manner, the valve casing and thermostat
frame are rigidly connected together, and are held in uniform relation to each
other.

page_text: is the thermostat; I have shown it in the form of a flat circular cell of thin
metal, in which is placed any suitable liquid which will expand at proper temperature.
I preferably employ a liquid which will vaporize at or near the temperature desired
to be maintained.
The thin walls of the cell are reinforced in the centre by having soldered or
otherwise secured thereto on the outside the hubs g and respectively; by means
of the latter the cell is held in position by being secured to the frame a, preferably
adjustable, as shown in Fig. 3, wherein the hub has a shank upon which is
secured screw bushings which engage into a screw threaded aperture in the frame a
and by means of a handle i formed on the hub the whole cell can be turned so
as to screw it in or out of the frame a, whereby it may be adjusted from or
towards the lever as required to properly move said lever by the force of
the vapor or liquid in expanding or contracting the cell by the variations of
temperature.
The lever jis pivoted at the lower edge of the frame a and extends towards the
top, pivotally engaging with one arm of the bell crank lever k, which is pivoted
at the top of the frame, extending over the rear face thereof. Its rear end is
bifurcated, and in this bifurcation is pivoted the block having a screw threaded
aperture to receive the screw threaded upper end of the rod m. This rod at its
lower end connects by a ball and socket joint with the valve stem I. This I
preferably accomplish by forming a ball n on the lower end of the rod, and a socket
in the couplingo (on the end of the valve stem) in which said ball engages. The
object of this construction is, when the valve is forced to its seat by any unusual
pressure and the rod m is bent, the bend will not occur in the valve stem which
would prevent its free movement through the stuffing box. It also allows of
adjusting the rod m in the block without interfering with the valve or stem.
2 is a spring sleeved over the rod m resting upon the boss bat its lower end,
and against the nuts . at its upper end, acting with its tension to open the valve
when the thermostat contracts.
Having now particularly described and ascertained the nature of my said inven-
tion, and in what manner the same is to be performed, as communicated to me by
my foreign correspondents, I declare that what I claim is :
1. In a temperature regulator, the combination of the thermostat and the valve,
a rigid connecting frame between the frame of the thermostat and the valve casing,
and a connection between the thermostat and valve, substantially as described.
2. In a temperature regulator, the combination, of the valve casing, and the
frame of a thermostat, of a pipe rigidly connecting the two, of a thermostat
secured to the frame, of levers to which said thermostat imparts motion, and a
connection from said levers to the valve disc through said pipe, substantially as
described.
3. In a temperature regulator, the combination of the frame a, of actuating
mechanism connecting to the valve, and a thermostat adjustably secured between
the frame and actuating mechanism, substantially as described.
4. In a temperature regulator, the combination of the thermostat, the valve
and the connecting mechanism, comprising the valve stem, and the rod m, of a
ball and socket joint between said stem and rod, substantially as and for the
purpose described.
5. In a temperature regulator, the combination of the steam supply pipe, the
branch pipe extending to the side of the car, the return bend D therein, the valve
in said return bend, and the thermostat controlling said valve, substantially as
described.
Dated this h 1
A73
HASELTINE, LAKE & Co.,
45, Southampton Buildings, London, Agents for the Applicant.