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Dec. 10, 1946.
2,412,224
M. G. LEONARD
EXHAUST VALVE FOR TORPEDO EXERCISE HEAD
Filed Aug. 5, 1944
lNVENTOR
WITNESSES:
f
4/9/07/6160/70/d
BY
6
ATTORNEY
2,412,224
Patented Dec. 10, 1946
F l
2,412,224
EXHAUST VALVE FOR TOR'PEDO ‘EXERCISE
HEAD
Merrill G. Leonard, Sharon, Pa, assignor to
Westinghouse Electric Corporation, East Pitts
burgh, 'Pa., a corporation of Pennsylvania
Application August 5, 1944, Serial 'No. 548,277
4 Claims. ‘(01. 114—20)
1
My invention relates to torpedoes and more
particularly to blow-off valves for the exercise
heads of torpedoes or any other tank or other
normally closed chamber requiring a blow-01f
valve for the medium contained therein under
tudinal axis,v but at the instant the blow-oil
Torpedoes when given an exercise run are pro
vided with an exercise head. This exercise head
is empty when in storage but just before a torpedo
makes it exercise run, water, but preferably some
the exercise head 3|. The base is provided with
the nipple 32 having the ?ange 33, the valve seat
starts the initial air or other gas entering the
‘exercise head may take such a position in the
exercise head that the torpedo turns over on
its back, or takes a nose up position. To prevent
the loss of liquid expelling gas, I provide the con
pressure.
struction shown generally in Fig. 1 and more in
The Government of the United States has been
detail in Figs. 2 and 3.
granted a certain royalty-free license for govern
The towing eye includes the basev 3'! welded
mental purposes with respect to the invention
10 or otherwise secured in a liquid tight ‘manner to
herein described,
solution for effecting proper balance is admitted
to the exercise head. The amount of water, or
other balancing liquid, placed in the exercise
head is so chosen that the entire exercise head
is substantially equal in weight to the war head
for the torpedo.
Not to lose the torpedo at the end of an exer
ciSe run, means have to be provided for blowing
the balancing liquid from the exercise head.
One object of my invention is the provision of
valve means and a source of gas pressure that
permits air or some other gas, as carbon dioxide,
from the source of pressure to drive the balancing
liquid out of the exercise head but does not per
mit entry of any sea water to the exercise head.
Another object of my invention is the provision
of special check valve means for the exercise head
of a torpedo.
Another object of my invention is the provision
of effective blow-oil means for torpedoes that are
not affected by any of the usual positions a tor
pedo may take at the end of its run with refer
ence to the earth’s center of gravity.
A still further object of my invention is the pro
vision of speed and pressure responsive blow-oi‘.F
means for torpedoes.
Other objects and advantages will become more
apparent from a study of the following speci?ca
tion and claims and the accompanying drawing,
in which:
Figure l is a somewhat schematic longitudinal
sectional View of a torpedo exercise head pro
vided with my invention;
Fig. 2 is a front view, with the upper part
broken away, of a towing eye and valve shown in
Figs. 1 and 3; and
Fig. 3 is a sectional view of my special blow
off valve and towing eye combination, the sec
tion being taken on section line III—III of Fig, 2.
34 and the tube receiving projection 35. V
‘A valve 36 having the rubber seal 38 is ?rmly
held ‘against the seat 34 by spring 39 and is
guided to its proper position by guide stem 40
?tting into the projection 4| of the towing eye 42.
.The towing eye 42 is provided with the open
ings £33 for discharging the water from the prac
tice head. The towing eye is held to the base by
bolts 44 and. the base and nipplé are secured to
each other by screws 45. A suitable gasket 46
provides a liquid tight connection between nip
ple and base.
By means of a ?exible connection 48, I con
nect the tube 49 to the projection 35. The tube
49 is provided with a weight 50 at its open end
5|. Regardless of any tilting or rolling of the
torpedo, the Weight 50 will ‘always position the
opening 5| at the lowest point. When the depth
responsive device or the speed responsive device,
not shown, or both, operate, the gas enters the
exercise head at 52 and the pressure in the head
compresses spring 39 and the liquid in the head
is forced into the open end BI and through the
valve and out of the openings 43.
I do not wish to be limited to the particular
showing and disclosure made but wish to be lim
ited only by the claims hereto appended.
I claim as my invention:
1. In mechanisms for discharging the torpedo
balancing liquid, in the exercise head of a torpedo
from the exercise head at the end of an exercise
run to make the torpedo buoyant, in combina
45 tion, a cylindrical member having an outer end
hermetically sealed to the inner surface of the
nose of a head directly adjacent to an opening in
the nose of the head, said cylindrical member hav
ing- a re-entrant portion at its inner end designed
50 as an annular valve seat, a valve plate disposed to
rest on the valve seat, a towing eye for the head
designed as a spider rigidly secured to the nose of
the head over the opening in the nose, and spring
A torpedo normally, because of its design, does
means, under selected compression disposed be
not have a great tendency to roll about its longi 55 tween the spider-like towing eye and the valve
2,412,224;
3
4
for holding the valve on the seat with a prede
termined force.
opening in the nose, spring means, under se
lected compression disposed between the spider
2. In mechanism for discharging the torpedo
like towing eye and the valve for holding the
balancing liquid, in the exercise head of a tor
valve on the seat wtih a predetermined force, and
pedo from the exercise head at the end of an b a weighted flexible tube connected to the inner
exercise run to make the torpedo buoyant, in
end of the cylindrical member for at all times
combination, a cylindrical member having an
collecting the liquid within the head, when sub
outer end hermetically sealed to the inner surface
jected to pressure for expelling it, from the lower
of the nose of a head directly adjacent to an
most region of the head.
opening in the nose of the head, said cylindrical 10
4. In mechanisms for discharging the torpedo
member having a re-entrant portion at its inner
balancing liquid, in the exercise head of a tor
end designed as an annular valve seat, a valve
pedo from the exercise head at the end of an
plate disposed to rest on the valve seat, a towing
exercise run to make the torpedo buoyant, in
eye for the head designed as a spider rigidly se
cured to the nose of the head over the opening
in the nose, spring means, under selected com
pression disposed between the spider-like towing
combination, a cylindrical member ‘having an
outer end hermetically sealed to the inner sur
face of the nose of a head directly adjacent to
an opening in the nose of the head, said cylindri
cal member having a re-entrant portion at its
eye and the valve for holding the valve on the
seat with a predetermined force, and guide
inner end designed as an annular valve seat, a
means on the valve and towing eye for maintain 20 valve plate disposed to rest on the valve seat, a
ing the spring means in correct position with
towing eye for the head designed as a spider rig
idly secured to the nose of the head over the
reference to the valve, valve seat, and towing eye.
3. In mechanisms for discharging the torpedo
opening in the nose, and spring means, under
balancing liquid, in the exercise head of a tor
selected compression disposed between the spi
pedo from the exercise head at the end of an
exercise run to make the torpedo buoyant, in
combination, a cylindrical member having an
outer end hermetically sealed to the inner sur
face of the nose of a head directly adjacent to
an opening in the nose of the head, said cylin
drical member having a re-entrant portion at its
inner end designed as an annular valve seat, a
valve plate disposed to rest on the valve seat, a
towing eye for the head designed as a spider rig
idly secured to the nose of the head over the 35
der-like towing eye and the valve for holding the
valve on the seat with a predetermined force,
guide means on the valve and towing eye for
maintaining the spring means in correct position
with reference to the valve, valve seat and towing
eye, and a weighted ?exible tube connected to
the inner end of the cylindrical member for at all
times collecting the liquid within the head, when
subjected to pressure for expelling it, from the
lowermost region of the head.
MERRILL G. LEONARD.
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