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Патент USA US2124244

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July 19, 1938;
Filed Oct. 3, 1936
2 Sheets-Sheet 2
Patented July 19, 1938
Frank Earl Chernosky, Corpus Christi, Tex.
Application Octoberv 3, 1936, Serial No. 103,948
eoia'ims. (01. 210-152) "
This invention relates‘ to- a separator or- scale
trap designed for use in ?uid conducting lines,
particularly‘ hot water conducting lines, the pri
mary- object of the invention being to provide
means for removing foreign matter such-‘as rust,
lime, scale, or the like from the ?uid conducting
lines, prior to the passage of the ?uid into-the
manifolds, screens, motor pumps and‘ other mech
anisms through which the liquid must ?ow.
viding lateral longitudinal guide-ways, for the
scraping blades vl3 WhichIare arranged inpre
determined spaced relation with each other, and
connected at points intermediate their ends, by,
means of the‘ operating bar‘ I4.‘ It might be fur—‘
ther stated that these scraping blades are so con-,
structed that they 'closely'engage the lower sure
face of the screen ID, ‘to scrape materiaithere
An important object‘ of the invention is to pro
.Secured to the operating ‘bar 14,‘ andextend 10%
vide a device of this character which may be‘, in'g downwardly therefrom is‘ a ?nger I51 which
readily connected in a fluid‘ conducting line,“ extends through an opening in one end of the rod
‘ in-s'ucha manner that the device may be readily
it that extends through" one end‘ of the body
and easily cleaned and all foreign matter re portion 5, the rod being threaded to accommodate
‘moved without the necessity of cutting "oif "the the double ratchet‘ operating member ll‘ sup 1511
?ow of ?uid through the conducting lines.
ported ‘by the bracket l8.
' ‘c
With the foregoing and other objects in view,
which will appear as the description proceeds,
the invention resides in‘the combination and ar
20 =rangement of parts and in the details'oif'com
struction hereinafter described and claimed, it
being ‘understood'that changes'in the precise em
bodiment of the invention herein disclosed, may
be made within the scope of what is claimed,
25 without departing from the spirit of the inven
Figure 1 ‘is an elevational view of a lime scale
From the foregoing it will be seen that by op
erating the double ratchetmember l1, theop
erating bar and scraping blades may be moved
longitudinally of the screen,- scraping scale and
matter therefrom.
The reference ‘characterylBJdesignates an in
let opening to the body portion, which opening
is in communication with the main pipe line 20,
through the pipe 2|, there being provided a valve 25
22 for controlling the passage of ?uid into the
body portion. The outlet opening is arranged
trap, constructed in accordance with the inven
at the opposite end of the body portion and. is
formed in the upper section of the body portion,
Figure 2 is a longitudinal sectional view through . the outlet opening being indicated by the refer 30
the body portion of the device.
ence character 23. A pipe indicated by the ref
Figure 3 is a sectional View taken on line 3—3 erence character 24 extends into the outlet open
of Figure 2.
ing, and connects with the pipe 20' which establ
Figure 4 is a vertical sectional View through lishes communication between the body portion
the device.
5 and pipe line 20, in which the trap is used.
Figure 5 is an end elevational View of the body A valve 32 controls the passage of ?uid through 35
pipe 24.
Figure 6 is a View illustrating the blade operat
Valve 33 controls the passage of ?uid through
ing means.
the pipe 20’. At one end of the body portion,
Referring to the drawings in detail, the refer
is an outlet opening 26 which is controlled ‘by
ence character 5 designates the body portion of the valve 21, and. through which the scale and
the trap which is shown as circular in cross sec
material removed from the screen may be ?ushed
from the body portion.
‘ As shown, the body portion comprises sections
Should it become necessary to supply acid dur
6 and 1, which are formed with ?anges 8 that ing the scale removing process, acid may be
have openings to accommodate bolts 9, whereby supplied to the body portion,-through the open 45
‘ the sections of the body portion may be securely ing and pipe 28, there being provided a valve 29
bolted together.
to control the passage of acid into the body por
These ?anges 8 also provide, means whereby tion. An outlet opening 30 is provided near the
the screen Ill may be secured. within the body opposite end of the body portion to permit the
portion, the screen being of a width to extend acid to be forced from the body portion. A valve
between the ?anges, where it is bolted in posi
3| ‘controls the passage of ?uid through this
tion, by the bolts 9. Spacers II are also posi
tioned between the ?anges 8 and space the elon
In the construction of the body portion 5, the
55 gated guide plates I2, from the screen l0, pro body portion is not less than three times the 55
capacity of ‘the permanent conducting line.
j First the permanent capacity flow must be above
I the screen, and second, double capacity must be
below the screen in order to provide room for
permanent ?ow and at the same time provide
sufficient room for the collection of foreign mat
As clearly shown by Figure 4 of the draw
ings, the body portion is so constructed that the
greatest area is below the screen in.
When the device has been positioned in a pipe
line, the‘ valve 25 is closed, whereupon the ?ow
' of ?uid is through the lower section of the body
portion, upwardly through the screen, from
Where the ?uid passes into the pipe line through
15 the pipe 24.
Should it be desired to remove scale and foreign
matter from the screen the valve 22 is opened
slightly, and the valve 21 is opened to allow the
flow of ?uid directly through the lower com
tially the ‘entire ‘length ‘of the plate, scraping
blades secured to the bar and disposed trans
versely thereof in spaced relation with each other,
the ends of the scraping blades being disposed in
the guideways, said blades closely engaging the
lower surface of the perforated plate, and means
for moving the scraping blades longitudinally of
the plate, removing material from the plate.
2. A trap for removing scale from ?uid con
ducting lines, comprising a body portion posi
tioned in the ?uid line, a perforated plate ex
tending through the body portion and through
which the liquid flows, a bar extending through
out substantially the entire length of the plate
and disposed intermediate the side edges of the
plate, scraping blades secured to the bar and dis
posed in spaced relation with each other,
throughout the length of the bar, means for hold
ing the scraping blades into close engagement
partment or section 1. It will of course be under- ‘ with the lower surface of the perforated plate,
stood that prior to the operation of these valves and means for moving the scraping blades longi
to set them for this cleaning step, the scraping tudinally of the perforated plate, whereby for
blades are operated to scrape the scale and foreign eign matter is removed from the plate.
3. A trap for removing foreign matter from
matter from the screen, which scale and foreign
fluid conducting lines, comprising a body por 20
where it will be picked up by the fluid passing tion, a perforated screening plate dividing the
body portion into compartments, elongated guide
through the bottom of the body portion.
plates secured within the body portion and dis
When a trap such as shown and described, is
used in a‘ ?uid conducting line, the trap may be posed in spaced relation with the screening plate,
scraping blades, an operating bar extending into 30
30 readily and easily cleaned without the necessity
of cutting off the ?ow of?uid, through the fluid the body portion and to which the scraping
conducting line.
Having thus described the invention, what is
claimed is:
1. A trap for removing scale vfrom ?uid con
ducting lines, comprising a horizontal body por
tion positioned in the ?uid line, a perforated
plate dividing the body portion into upper and
lower compartments, guideways disposed longi
tudinally of the body portion at opposite side
edges of the perforated plate, ascraper in-_
cluding a bar ‘extending throughout substan
blades are secured, the ends of the blades being
held between the elongated guide-plates and‘
screening plate, whereby the blades are held
into- close engagement with the lower surface of 35
the screening plate, a rod having a threaded por
tion connected with the operating bar, and means
‘operating over the threaded portion of the rod
for moving the operating bar whereby the blades
are moved over the surface of the screening plate. 40
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