Improvements in Chimney Cowls.
Year: 1894

page_text: Date of Application, 28th Sept., 1894-Accepted, 3rd Nov., 1894
Improvements in Chimney Cowls.
. 1
I, THEODOR SCHRÖDER of 12, Heinrichstrasse, Bochum, in the Empire of
Germany, Master Chimney Sweep, 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 an improved chimney cowl which is so constructed that
it invariably acts notwithstanding the direction of the wind, and can readily be
removed or detached when desired.
In the accompanying drawing which illustrates this invention :-
Figure 1 is a view in longitudinal section of the improved cowl, and
Figure 2 is a view in section on line 2, a, Figure 1.
Throughout each view similar parts are marked with like letters of reference.
The improved chimney cowl consists essentially of a horizontal pipe a having at
the centre of its length a vertical pipe b connected at right angles to it, the said
pipe being adapted to fit loosely over the top of the chinney or pipe ; fixed
thereto. The top of the chimney or pipe ; carries a central vertical axle or
shaft 9, and the horizontal pipe a carries a step bearing made of glass or other
suitable hard material so that the friction between the part a and the part j is
reduced to a minimum. The horizontal. tube a carries a vane c which has for its
object keeping the said pipe in the direction of the wind.
In the one end of the pipe a is mounted a funnel-shaped insertion piece d, which
has for its object to act as an injector for the air or wind and thereby increase the
draught in the chimney and so facilitate the escape of the smoke. On the other
end of the tube a is a cone-shaped piece e having orifices through its smaller end.
in order to form passages for the air or wind and thereby serve to suck or draw
the smoke out of the tube a.
A cowl constructed according to this invention will effectually cure smoky
chimneys, as there is no tendency for the revolving part to jam or fail to rotate
with the wind, and so long as the injector part a is brought up to the wind a strong
current must be produced in the chimney.
1 wish it to be particularly understood that I do not limit myself to the precise
details of construction herein before described and illustrated by the accompanying
drawing, but that I hold myself at liberty to make such changes and alterations as
fairly fall within the spirit and scope of my invention.
Having now particularly described and ascertained the nature of my said inven-
tion and in what manner the same is to be performed, I declare that what I
claim is :-
(1.) The improved chimney cowl, substantially as hereiubefore described and
illustrated by the accompanying drawing.
(2.) A chimney cowl consisting essentially of a pipe a mounted to revolve or
rotate at right angles to the mouth of the chimney and carrying a vauec by
which it is constantly kept in the direction of the wind and having an injector
device d at one end and a similar device e at the other end, as and for the purpose
set forth.
(3.) In a chimney cowl, the combination with the revolving part a and the
chimney part, of a step bearing such as carried by the part a made of glass or

page_text: .
other suitable hard material, and of a vertical axle or shaft carried by the chimney
part j, as and for the purpose set forth.
Dated this 28th day of September 1894.
ROBERT E. PHILLIPS, M.I.M.E.,
Consulting Engineer and Patent Agent,
70, Chancery Lane, London, W.C., Associate Agent.