Improvements in Gas Purifier Centre-valves.
Year: 1886

page_text: Date of Application, 8th June, 1886.
Complete Left, 7th Mar., 1887.
Complete Accepted, 7th Apr., 1887.
PROVISIONAL SPECIFICATION.
Improvements in Gas Purifier Centre-valves.
We, HENRY COCKEY and FRANCIS CHRISTOPHER COCKEY both of the Iron Works,
Frome, in the County of Somerset, Engineers, do hereby declare the nature of our
said invention for "IMPROVEMENTS IN GAS PURIFIER CENTRE-VALVES to be as
follows:
"
This invention has for its object the construction of gas purifier centre valves in a
manner whereby a very large portion, if not the whole, of the air contained in
a purifier immediately after the same has been charged, may be removed before being
put into action.
The invention consists in attaching to the top of the cover of the centre valve a
small, or as we call it, a clearing valve, made somewhat in the same manner as the
lower or principal valve. The body of the clearing valve is divided by six radial
partitions into so many chambers, and is provided with a cover fitted with divisional
plates so as to connect any two adjoining chambers together, by turning or partially
turning the cover of the clearing valve.--By this means clean gas may be driven
through the clean purifier thereby expelling from the purifier and connections the air,
which is allowed to escape into the open atmosphere. When the air is sufficiently
expelled from the purifier, the cover of the clearing valve is turned half way round
whereupon the opening to the atmosphere is closed and the gas passes through the
purifier in its ordinary course, and from thence to the meter or other apparatus.
Dated this Sth day of June 1886.
W. H. BENNETT,
Agent for the Applicants.

page_text: COMPLETE SPECIFICATION.
Improvements in Gas Purifier Centre-valves.
We HENRY COCKEY and FRANCIS CHRISTOPHER COCKEY, both of the Iron Works,
Frome, in the County of Somerset, Engineers 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 has for its object the construction of dry centre valves for gas
purifiers in such a manner that a very large portion, if not the whole, of the air
contained in a purifier immediately after the same has been charged may be removed
before the vessel is again put into action.
In order that the invention may be easily understood drawings are attached hereto,
Fig. 1 being a plan of part of a dry centre valve together with the clearing valve,
while Fig. 2 exhibits the clearing valve in elevation.
The invention consists in attaching to the top of the cover A of the centre valve a
small, or as we call it, a clearing valve B, made somewhat in the same manner as the
lower or principal valve. The body of the clearing valve is divided by six radial
partitions one of which is marked C, into so many chambers, and is provided with a
cover D, fitted with five divisional plates E, E, so as to connect any two adjoining
chambers together such as F, G, by turning or partially turning the cover of the
clearing valve. By this means clean gas may be driven through the clean purifier up
through the opening H over the division C, down the orifice I, through the main valve
and up by the passage J, thereby expelling from the purifier and connections the air,
which is allowed to escape into the open atmosphere by the air outlet K. When the
air is sufficiently expelled from the purifier the cover of the clearing valve is turned
half way round, whereupon the opening to the atmosphere is closed and the gas passes
through the purifier in its ordinary course, and from thence to the meter or other
apparatus.
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,
The construction and attachment of a subsidiary or clearing valve to dry centre
valves for gas purifiers for the purpose herein set forth and arranged as herein
described and shown on the drawings.
Dat this 7+1 ve of Man. 1987
W. H. BENNETT,
Agent for the Applicants.