Combined Safety Valve and Pressure Gauge Apparatus for Steam Boilers.
Year: 1892

page_text: Date of Application, 22nd Jan., 1892
Complete Specification Left, 2nd Mar., 1892-Accepted, 2nd Apr., 1892
PROVISIONAL SPECIFICATION.
Combined Safety Valve and Pressure Gauge Apparatus for Steam
Boilers.
A communication from abroad by WILHELM HEINRICH EBERHARD BRANDE, of
Hamburg, Germany, Merchant.
I, WILLIAM LLOYD WISE of 46 Lincoln's Inn Fields in the County of
London, Consulting Engineer and Patent Agent, do hereby declare the nature of
this invention to be as follows :-
.
It frequently happens in steam boiler plant, particularly when thick liquids are
being boiled, that the safety valve or the pressure gauge becomes choked by
particles of the liquid which are carried off by the steam.
According to this invention the pressure gauge and the safety valve are combined
in such a manner that the pressure gauge is arranged above the safety valve, and
is in communication with the interior of the valve casing by a double steam passage
or communication whereby the danger of the safety valve becoming choked is
diminished.
In the accompanying drawing:
:-
Fig. 1 is a front elevation of such an arrangement applied to a steam pipe, and
Fig. 2 is a side elevation thereof, the steam pipe and valve casing being in cross
section.
A is a steam pipe on which is mounted the safety valve casing B which is in
communication with the interior of the pipe as shewn. C is the valve seat for the
safety valve D shewn in the form of a plug or cone D. Extending upwardly from
the casing B at the back and front thereof are two pipes E and F (Fig. 2) which
serve to conduct steam from the valve casing to the pressure gauge G the two
pipes having a common opening to the pressure gauge as shewn.
A tubular union H arranged below the pressure gauge, serves for the attachment
of a controlling or checking pressure gauge when necessary. II are inlet pipes
each provided with a valve to admit of steam being blown through the pipes E F
should they become choked. Instead of these two inlet pipes l'arranged at the
sides of the pipes E F as shewn, a single inlet pipe with valve may with a like
object be provided at or above the common opening or junction of the two pipes.
Dated this 22nd day of January 1892.
W. LLOYD WISE,
Per F. J. Brougham,
46, Lincoln's Inn Fields, Agent for the Applicant.
W. LLOYD WISE,
Per F. J. Brougham,
46, Lincoln's Inn Fields, Agent for the Applicant.
COMPLETE SPECIFICATION.
Combined Safety Valve and Pressure Gauge Apparatus for Steam
Boilers.
A communication from abroad by WILHELM HEINRICH EBERHARD BRANDE, of
Hamburg, Germany, Merchant.
I, WILLIAM LLOYD WISE of 46 Lincoln's Inn Fields in the County of
London, Consulting Engineer and 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 :-
It frequently happens in steam boiler plant particularly when thick liquids are
being boiled, that the safety valve or the pressure gauge becomes choked by
particles of the liquid which are carried off by the steam.

page_text: According to this invention the pressure gauge and the safety valve are combined
in such a manner that the pressure gauge is arranged above the safety valve, and
is in communication with the interior of the valve casing by a double steam
passage or communication whereby the danger of the safety valve becoming choked
is diminished.
Referring to the drawings left with my Provisional Specification,
Fig. 1 is a front elevation of such an arrangement, applied to a steam_pipe, and
Fig. 2 is a side elevation thereof, the steam pipe and valve casing being in cross
section.
A is a steam pipe on which is mounted the safety valve casing B which is in
communication with the interior of the pipe as shown. Cis the valve seat for the
safety valve D shown in the form of a plug or cone D. Extending upwardly from
the casing B at the back and front thereof are two pipes E and F (Fig. 2) which
serve to conduct steam from the valve casing to the pressure gauge G the two pipes
liaving a common opening to the pressure gauge as shown. A tubular union H
arranged below the pressure gauge, serves for the attachment of a controlling.or
checking pressure gauge when necessary. I are inlet pipes cach provided with a
valve to admit of steam being blown through the pipes E F should they become
choked. Instead of these two inlet pipes I arranged at the sides of the pipes E F
as shown a single inlet pipe with valve may with a like object be provided at or
above the common opening or junction of the two pipes.
Having now particularly described and ascertained the nature of the said inven-
tion and in what manner the same is to be performed' I declare that what I
claim is:
Safety apparatus for steam boilers comprising a pressure gauge arranged above
a safety valve and connected with the casing B thereof by two pipes E F provided
with one or more inlets by which steam can be blown through them substantially
as described and shown in the drawings for the purpose specified.
Dated this 2nd day of March 1892.
W. LLOYD WISE;
Per F. J. Brougliam.