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Патент USA US2133900

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Oct. 18, 1938.
c. MARTINEZ I
2,133,900
AIR GIN
Filed June 9. 1956
av @èàyäwßël
ATTORN EVS
Patented Oct. 18, 1938
, 2,133,900
UNITED STATES PATENT OFFICE
2,133,900
AIR GIN
Celestino Martinez, San Diego, Tex.
Application June 9, 1936, Serial No. 84,347
3 Claims. (Cl. 19-59)
This invention relates to gins wherein pneu
matic means and centrifugal force is employed
to bring about separation of the motes and other
foreign matter from the lint and the conveying
5 of the latter to condensers. In gins of this char
the air blast pipe 5 passing the saws into the'duct
3. A duct 1 is formed in the casing 4 and _com
municates at one end with the air blast pipe 5 and
at the other end with the nozzle 6. The ducts 3
and -I are separated from each other by a wall 8 Ol
acter, the pneumatic means causes a vacuum to
and one end of the wall 8 terminates within the
be developed which aiîects the centrifugal force
and interferes with the separation of the motes
from the lint. The present invention has for the
10 primary object the provision of pneumatic means
nozzle 6 and is spaced from avwall 9 of said
for destroying the vacuum and thereby permit
the centrifugal force to function to the maximum
for bringing about a thorough separation of the
motes from the lint and consequently permit lint
15 to be obtained in a cleaner state.
With these and other objects in view, this in
vention consists in certain novel features of con
struction, combination and arrangement of parts
to be hereinafter more fully described and
yf2.0 claimed.
For a complete understanding of my inven
tion, reference is to be had to the following de
scription and accompanying drawing, in which
Figure l is a transverse sectional View illus
25 trating my invention adapted to a gin.
Figure 2 is a fragmentary transverse sectional
view drawn on an enlarged scale showing the
pneumatic means for destroying the vacuum.
Figure 3 is a fragmentary sectional view taken
30 on the line 3-3 of Figure 2.
Referring in detail to the drawing, the nu
meral I indicates a gin employing centrifugal
force for the separation of motes and other
foreign >matter from the lint and also employ
35 ing pneumatic means for collecting and convey
ing the lint from the saws 2 and delivering said
lint to condensers (not shown). In gins of this
character the velocity of the air employed for
conveying the lint from the saws to the con
40 densers is so great as to create a vacuum in the
upper portion of the gin. This vacuum aifects
the centrifugal force preventing the latter from
thoroughly separating the> motes and foreign
matter from the lint. My invention when adapted
45 to a gin of the character described will break up
or destroy this vacuum and includes in its con
struction a duct 3 employed for conveying the
lint from the saws to the condensers. The duct
3 is formed in a casing 4 easily adaptable to the
50 Igin I and the air blast pipe 5 thereof. The cas
ing terminates at the rear of the saws in the
form of an elongated nozzle 6. One end of the
duct 3 is spaced a considerable distance from the
nozzle 6 so that the lint collected by the saws will
55 be removed from the latter by the air blast from
nozzle to form an air outlet 9’ to the nozzle for
discharging air blasts against the saws and to
the duct 3. This air travels at a high velocity 10
and will develop a vacuum in the upper portion
of the gin.
Secured to the nozzle 6 is a hood IB including
a wall II. The free end of the wall II is spaced
from the wall 9 providing an intermediate air 16
outlet I2.
Formed in the wall 9 is a series of
ports I3 permitting some of the air passing
through the duct 'I to escape into the chamber
I4 formed between the hood Ill and the nozzle.
Some of this air escapes by Way of the outlet I2
having the effect of partially destroying the
Vacuum.
The wall II of the hood has a series
of ports I5 communicating with the chamber
I4 so that some of the air from the chamber I4
may escape cooperating with the air from the
intermediate outlet I2 in completely breaking
up or destroying the vacuum. The air leaving
the outlet I2 is in the form of a column. Also
the air leaving the outlet 9’ is in the form of a
column. The column of air leaving the outlet 9’
has a greater velocity than the air leaving the
outlet I2. The air leaving the ports I5 are in
the form of a series of columns of less velocity
than the column of air leaving the outlet I2. The
combined area of the outlets I2 and I5 is greater
than the combined area of the ports I3 so that
when the air passes from the outlets I2 and I5
the velocity of such air will be materially reduced.
To further aid in reducing .the velocity of air
leaving the outlets I2 and I5, the chamber I4 will
permit an expansion of the air as it leaves the
ports I3. Thus it will be seen that the same air
pressure employed for conveying the lint from
the saws to the condensers is also employed for
creating columns of air to destroy vacuum set up 45
by the column of air used in'conveying the lint
to the condensers by way of the duct. 3.
A device of the character described is simple in
construction and operation and may be readily
adapted to a gin now in use and will permit the
gin to more thoroughly perform its function of
separating motes and foreign matter from the
lint, consequently permitting lint to be obtained
in a cleaner state.
Having described the invention, I claim:
55
2
10
15
20
25
30
` 12,133,900
1. A device of the character set forth com
ports to permit air from the air blast pipe to
prising a casing having a portion thereof formed - escape to the auxiliary outlet, said wall of the
in a nozzle located adjacent the saws of a gin, hood having a series of ports permitting air to
ducts formed in said casing and one of said ducts escape therethrough in the form of a series of
extending from the saws to condensers and the columns of less Velocity than the columns of air 5
other duct extending from an air blast pipe to before mentioned.
the nozzle whereby a column of air may be dis
3. A device of the character set forth com
charged past the saws for collecting and convey
prising a casing having a portion thereof formed
ing lint to the condensers, a hood secured to the in a nozzle located adjacent the saws of a gin,
nozzle and having a wall spaced from one of ducts formed in said casing and one of said ducts
the walls of the nozzle to form an auxiliary air extending from the saws to condensers and the
outlet to develop a column of air of a less velocity other duct extending from an air blast pipe to
than the column of air employed for removing the nozzle whereby a column of air may be dis
the lint from the saws,_ said wall of the nozzle charged past the saws for collecting and convey
having ports to permit air from the air blast ing lint to the condensers, a hood secured to the
15
pipe to escape to the auxiliary outlet.
nozzle and having a wall spaced from one of the
2. A device of the character set forth compris
walls of the nozzle to form an auxiliary air out
ing a casing having a portion thereof formed in a let to develop a column of air of a less velocity
nozzle located adjacent the saws of a gin, ducts than the column of air employed for removing
formed in said casing and one of said ducts ex
the lint from the saws, said wall of the nozzle 20~
tending from the saws to condensers and the having ports to permit air from the air blast pipe
other duct extending from an air blast pipe to to escape to the auxiliary outlet, said wall of the
the nozzle whereby a column of air may be dis
hood having a series of ports permitting air to
charged past the saws _for collecting and convey
escape therethrough in the form of a series of
ing lint to the condensers, a hood secured to the columns> of less velocity than the columns of air 25
nozzle and having a wall spaced from one of before mentioned, said walls of the nozzle and
the walls of the nozzle to form an auxiliary air hood cooperating in forming an air expansion
outlet to develop a column of air of a less velocity chamber.
than the column of air employed for removing the
lint from the saws, said wall of the nozzle having
CELESTINO MARTINEZ.
30
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