AN IMPROVED METHOD OF FILTERING LIQUIDS
Year: 1884

page_text: I WILLIAM ARCHIBALD HEPBURN, Manager for the firm of Hepburn & Co
Bleachers & Finishers of Grant's Works Ramsbottom in the County of Lancaster,
do hereby declare the nature of my Invention for "AN IMPROVED METHOD OF
FILTERING LIQUIDS "to be as follows:-
The invention relates to an improved method of filtering or sieving any fluid or
semi-fluid by the assistance of a vacuum the novel feature consisting in obtaining
and employing the vacuum formed in the condenser of a condensing steam engine
for filtering or sieving purposes whereby the cost of the apparatus for performing
the filtering or sieving operation is considerably reduced and a better result thereby
obtained.
To this end I arrange one or more such filters of suitable construction and size at
any convenient place and connect or combine the same by means of a pipe or pipes
to the condenser of a condensing steam engine. Each pipe being provided with a
valve or tap, which when opened will perinit the vacuum created in the condenser
to operate on the fluid or substance to be treated and draw or suck the same through
the filtering medium employed in the apparatus.

page_text: "E
I, WILLIAM ARCHIBALD HEPBURN of the firm of Hepburn and Co Bleachers and
Finishers of Grant's Works, Ramsbottom in the County of Lancaster, do hereby
declare the nature of my invention for AN IMPROVED METHOD OF FILTERING
FLUIDS and in what manner the same is to be performed to be particularly
described and ascertained in and by the following statement :-
The invention relates to an improved method of filtering or sieving any fluid or
semi-fluid by the assistance of a vacuum, the novel feature consisting in obtaining
and employing the vacuum formed by the condenser of a condensing steam engine,
for filtering or sieving purposes, whereby the cost of performing such operations
and of the apparatus is considerably reduced and a better result thereby obtained.
And in order that my invention may be better understood I have caused to be
appended hereunto one sheet of drawings, representing a side elevation of a filter
and pipe for connection with the condenser of a condensing steam-engine.
In carrying out my invention I arrange one or more filters a of suitable
construction and size at any convenient place and connect or combine the same by
means of a pipe or pipes b to the condenser of a condensing steam-engine. Each
pipe being provided with a valve or tap.c which when opened 'will permit the
vacuum created in the condenser to operate on the fluid or substance to be treated
and draw or suck the same through the filtering medium employed in the
apparatus.
I am aware that previous to this my invention filtering or sieving liquids or
semi-liquids by the assistance of a vacuum has been done, the vacuum being created
by an especial apparatus used in connection with the filter, I therefore do not claim
filtering or sieving by vacuum, nor do I claim or confine myself to the special
construction of filtering apparatus but I would have it to be understood that what
I claim is
First. Filtering or sieving any fluid or semi-fluid by the assistance-of-a-vacuum-
obtained from or created by the condenser of a steam condensing engine as set
forth.
-
Second. The combination of the condenser of a steam condensing engine with
the filtering apparatus substantially as set forth.