Improvements in the Method of and Apparatus for Automatically. Stopping Steam Engines.
Year: 1897

page_text: Date of Application, 27th Feb., 1897
Complete Specification Left, 20th Nov, 1897-Accepted, 29th Jan., 1898
Improvements in the Method of and Apparatus for Automatically.
Stopping Steam Engines.
I, FREDERICK HENRY WRIGHT, of Sandal House, Wakefield, in the County of
York, Worsted Spinner, do hereby declare the nature of this invention to be as
follows:-
The object of my invention is to automatically stop engines in case of priming
or when a flush of water takes place.
In the drop pipe or baffle pipe of the engine, which is placed between the boiler
and the engine, I employ a bucket piston with spindle passing up to the top of
pipe and balanced by chain and weight over a guide pulley, the bucket is
perforated to allow the ordinary drip of water to pass through and discharge into
the ordinary steam trap at the bottom of the drop pipe. The bucket piston being
below the baffle plate of the said baffle pipe, upon a flush of water or priming
taking place the bucket piston is filled and forced down, and a connection made
with its rod moving and completing an electric circuit, which operates the valve
of the engine and so stops it; or it may operate pneumatically or mechanically
upon the stop valve, and when the rush is over the bucket returns and the circuit
or connection is again broken, or it may open a valve in the steam pipe and so
allow free escape of steam.
DL1 this andersinth of Intern
1007
Improvements in the Method of and Apparatus for Antomatically
Stopping Steam Engines.
I, FREDERICK HENRY WRIGHT, of Sandal House, Wakefield, in the County of
York, Worsted Spinner, 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:
The object of my invention is to automatically stop engines in case of priming
or when a flush of water takes place.

page_text: stopping steam engines, showing position of bucket after a flush of water has
taken place.
Fig. 2 is a sectional elevation of my improved apparatus for automatically
stopping steam engines, showing position of bucket before a flush takes place.
Fig. 3 is a plan of Fig. 2.
In the drop pipe or baffle pipe A of the engine, which is placed between the
boiler and the engine, I employ a bucket piston or float B, with spindle C passing
up to the top of pipe, the bucket B is perforated at D, to allow the ordinary
grip of water to pass through and discharge into the ordinary steam trap E at
the bottom of the drop pipe A; such trap being automatically opened by the
flush of water into the said drop pipe.
The bucket piston being below the baffle plate F of the said baffle pipe, upon a
flush of water or priming taking place, the bucket piston B is filled, and forced
down as shown at Fig. 1. and a connection made by means of the connecting
rod G, moving the armature H, into contact with armature J, so completing an
electric circuit, which operates the valve of the engine and so stops it. Or it
may operate directly upon the stop valve, and when the rush is over the bucket
returns by means of the counter balance weight K, upon the connecting rod L,
operating the steam trap E, and the circuit or connection is again broken as shown
at Fig. 2; or it may open a valve in the steam pipe and so allow free escape of
steam.
When the float is used it will operate the stop valve when the water raises it
above a certain level in the drop or baffle pipe.
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:-
1. For automatically stopping steam engines, the use and employment within
the drop pipe or baffle pipe of steam engines, of a piston bucket or float B, and
rod or spindle C, counter balanced, and operating electrically or mechanically
upon the stop valve, substantially as set forth.
Dated this Seventeenth day of November 1897
JOHN E. WALSH,
Waterhouse Chambers, Crossley Street, Halifax,
Patent Agent for the Applicant.