close

Вход

Забыли?

вход по аккаунту

?

код для вставки
Dec. 10, 1946.
` M. G. LEONARD
2,412,223
BUOYANCY CONTROL DEVICE
Filed Aug. 5, 1'944
‘1-
WWW.
-
"
mvENToR
Meir/W 6? ¿e0/lara(
ATTORNEY
Patented Dec. 10, 1946
2,412,223
UNITED STATES
.
orsi>4`
2,412,223
BUOYANCY CONTROL DEVICE
i Merrill G. Leonard, Sharon, Pa., assignor to
Westinghouse Electric Corporation, East rPitts
burgh, Pa., a corporation of Pennsylvania
Application August 5, 1944, Serial No. 548,276
7 Claims. (Cl. 114--20)
1
2
s My invention relates to torpedoes, and more.
torpedo eiïects the closing of a circuit for start'-v
particularly to an exercise head for a torpedo
and the apparatus for discharging the ballast fiuid
from the exercise head. During the final run
The propulsion equipment is not shown, since in
ing the propulsion equipment of the torepdo.
itself it forms no part of this invention.
war head and no special provision need be made
4for recovery of the torpedo, but since it is highly
essential that each torpedo'at least receive sev
eral practice or exercise, runs before actually be
ing used in battle, it is important that the tor
pedo be provided with an exercisehead, and that
the torpedo be ¿buoyant at the end of its run to
facilitate its recovery.
The Government of the United States hasI been
granted a certain royalty-free license for govern
mental purposes with respect to the invention
herein described.
` practice head.
to it. This coupling provides for the support of
a solenoid II, the plunger or armature I2 to be’
, actuated by the solenoid, the trip switch I3v andr
also a pipe ñtting I 4 `for connection to the ~conduit
I5 leading to the inlet 1.
'
" A
struction and function of my valve in the systemy
of control, a sequence of operation ofthe ele-1
ments associated with the exercise head may be
of value at this point. Before firing of the tor
`
Another object of my invention is the provi
the torpedo.
Q
For a better understanding of the novel con
` One object of my invention is the provision of
sion of a system of control for effecting the re
moval of the ballast fluid from-an exercise head
of a torpedo at the proper time after firing lof
TheA flask `8 is provided with 'a'
pressure reducing Valve 9 which has a coupling
I0 of steel or some other strong metal connected
means for readily removing the ballast ñuid from
an exercise head of a torpedo.
'
The exercise head 4 is connected to the left of
the~partition 5 and is provided with a suitable
discharge valve 6 and an inlet 1 for admitting
the gas, under high pressure in flask 8, into the
' of the torpedo, it is, of course, provided with a
pedo, the manually operable switch 5I is closedv
and the screw 52 is screwed toward the right as
. seen in Fig. 2, to Aclose the contacts ofthe trip
switch I3. `This operation establishes a 'circuit
Another object of my invention is the provi
sion of electromagnetically operated valve means
for controlling the fiow of blow-off fluid from the
fiask containing the blow-ofi gas under high ¿de
from the positive terminal of the battery I1
through the contacts 53 of the switch I3, con-'_
ductor 54, the pilot lights 55 .and 56, conductor
51 manually operable switch 5I to the negative
3i)
pressure.
» A more specific object is the provision of` a
terminal of the battery.
solenoid actuated hydrostatically unbalancedV
valve for maintaining the outlet from the high
pressure gas flask closed and of means associ-`
ated with said valve for effecting the operation
of the valve at the right time for opening the
outlet from the gas containing flask.
Other objects and advantages will become more
apparent from a study of the following speciñca
tion and the accompanying drawing, in which:
Figure 1 is a somewhat schematic showing of
an exercise head of a torpedo and the starting
gear for the torpedo;
'
_
l
Another circuit is established from the positive
terminal of the battery I1 through thesolenoid
II,.conductor 58, contacts 3l and 3.2 of the con-_
. troller operated by the motor 21 to the energizedì
conductor 51. Connected in parallel with the
contacts 3| is a torpedo speed responsive switch
59. This switch may be actuated by Pitot tubes
or as shown by a suitable scoop which is actuated.
_. by the water flowing past `the torpedo and thus
is caused to maintain its contact members closed;
It is apparent that the instant the torpedo
speed has dropped to some selected' low speed, the
scoop 60 which is spring-biased to a downward,A
Fig. 2 is a side view of my special valve for ,- ¿ position will cause opening of the contact mem
controlling the ñow of blow-ofi` fiuid, with cer 45 bers of this switch 59. .This switch is not de
scribed in detail herein, vsince 4per seit consti’
tain parts shown in section to more accurately
tutes no part of this invention. .
'
o __
illustrate the construction of the valve; and
At the moment-,the torpedo is fired, the triggerv
-. Fig. 3 is an end View of my valve on line III
switch 3 is operated closing its contacts I=6,'whereIII in Fig. 2.
Referring to Fig. l, I designates the firing tube 50 upon a circuit is established from .the battery
I1, which circuit may be traced from the posi,
of the torpedo which is shown provided with a
tive terminal of the battery through the actuating`
dog 2 for actuating a trigger-switch 3. This
solenoid or coil I8 of the starting switch I9;n
trigger switch 3 has its operating mechanism
suitably sealed from the water outside of the
conductor 20, controller switch contacts 33, conf-_>`
ductor 22„ contacts It and conductor 23 back to‘
torpedo and when operated upon firing of the
2,412,223
3
the negative terminal of the battery I‘I.
The
ing storage of the torpedo, the guide sleeve B3 for
starting switch I9 has a time constant which
may be an inductive time constant and may be
the solenoid is provided with a screw 52 for
engaging the right-hand end of the plunger.
This screw 52, when the torpedo is in storage,
is screwed down against the plunger to hold the
valve closed independent ci any energization or
de-energization of the solenoid II. The pilot
lights ,are provided for facilitating .recovery of
the torpedo and to guard against the possibility
that a torpedo might be ñred without releasing
the valve controlling the blow-cir iiuid. I pro
vide this trip switch I3 in the circuit for the
pilot'lights-«so that a mere inspection of the
designated by the low resistance short-circuit
coil 24. This means that when coil I8 is deenergized, the contacts 25 do not open until a
predetermined time after de-energization of coil
I8.
Operation of starting switch I9 closes the‘con
. tacts 25, whereupon the propulsion motor isv ener
gized and a circuit is also established from the . .
positive terminal of the battery through contacts
25, conductor 25, contacts 34, controlleroper-at
ing motor 2l and conductor 28 _tothe negative
terminal of the battery.
The controller operating motor =2§`I isof 'thel
I .torpedo at the front-will indicate whether or not
@the :screw ää'rhas. :been turned back to release
fthe valve, thummafking the torpedo ready for
constant speed type and operates the four con
iiring.
Y
tact members 3|, s2, as and Ia4 in the order
Whilevv 'I have shown the motor 2l as con
recited. Normally, these contacts are closed.
nected `to the battery through the contact 25,
The closed position of the contacts is, of course, 20 it is apparent that the vcontacts Si, 32, 33 and
maintained Iat the `starting of the .,torpedo. .Since
34 Vneed not necessarilybe operated .by a -motor
the `nropulsími f- equipment, a snort time after nir'
but may .just as readily be operated> Ífromithe
i'ng >off 'the torpedo, takes hold, the 'torpedo ‘is ,pro-`
driving shaft of. .the propulsion. motor
ceeding through the water and the speed respon-k
While I have shown one embodimentv of >my
sive switch 59V yactuated _by the scoop '60, is in 25 special electromagnetically operated val-ve 'and
closed position. Therefore, the energization of
one system of control, it is readily apparent :that
the ysolenoid II >no longer is ~established through
others, particularlyafter .having Ahad .the-benefit
both the contacts 3'I _and the contacts of the
of the -teachings of .my .invention >may deviseV
speed responsive switch '.59 -but Yis only established
other systems of control. >and other valves ¿for
through the contacts Yof _the ‘speed responsive 30 accomplishing the- same or similar .puit-poses. Íl'.,
Switch 59.
`The motor 2.1'has its contactsso arranged that
contact 3l opensassoon as the torpedo. -,has ob
tained full speed in the Water, `that is, the time
constant of Vcontacts Y3'I is suiiicient` in length 35
to permit the speed responsive relay or switch
to assume control.
therefore, do not Wish to `be limited to the par
ticularV showing made and .description hereinbei
fore given, but wish to be limited only .by the
claims hereto appended.
Iclaimas my invention.:`
.
.
1. In a system` of control for pneumatically ex
pelling the ballast liquid from the practice Vhead
It', _after the torpedo is in the water, there be
of a torpedo by means :of ya gas. from afhigh vpres
a voltage failure, or the battery voltage, because
sure `gas ñask mounted on the practice head,- >in
of exhaustion or _some other cause, drops, the 40 combination, a source of gas pressure comprisingv
solenoid II becomes de-energized .and the valve
a flask, a conduit connecting the flask. with >the
62 is thus opened'. Similarly if `the torpedo speed
practice head, a valve for closing the conduit, an
decreases below a given value .the speed respon
energized solenoidV for 'holding the valve closed,v
sive relay opens the circuit for lsolenoid I I and
and means responsive to either the stopping. of
thevalve 52' is caused to open. When valve 62 45 the torpedo in its run or a predetermined run of
opensthe. Ifluid from ñask 8 will be. expelled from
theV torpedo, whichever in. point of -ti'mefoccurs
the flask through the steel pipe ñtting I4., the
ñrst, for de-energizing the solenoid to thus open
conduit> I5 and `opening 'I into the exercise head.
the conduit to causeY gas under pressure to enter
From the `foregoing. it is clear thatl if the tor
the practicehead to expel the ballast-liquidfrom
pedo speed decreases to a given ’low value, the 50 the practice head.
voltage fails or the end of’ the run is attained
2. In a system of control for pneumatically ex
the solenoid I I isdeeenergized.
pelling the ballast liquid from the,r practice head
Immediately after the contacts v32 open, con
of a torpedo, by'means of a iiuid under relatively"
tacts. 3.3 open which lde-energize the actuating
high pressure from a high pressure ñask, throughA
coil 'I8 and _the propulsion equipment is thereby 55 suitable valve means.. in the practice head ‘per
stopped by the opening of contacts 25; Since
starting switch I9' has a short ltime constant,
mitting the flow of the ballast liquid, whenk sub-ï
. j ected to a predetermined'pressure, from- the prac
contacts> 25 will remain closed for a sufficient
tice head to thus make the torpedo buoyant, inr
length of time to permit the motor 2,1 to operatel
combination, a conduit Coupled to the ña'sk; valve
contact 3.4 to interrupt the circuit for the motor 60 means comprising a valve seat >in the conduit, a
2l. All the circuits are thus de-energized ex
hydrostatically'unbalanced valve disposed to’ seat
cept the pilotr lights.
on the valve seat, said valve beingl connected to
For the details ofV the Valve, reference should'
one` end of a plunger of magnetic material, a non
magnetic guide sleeve for the'plunger, a solenoidv
be had to Figs. 2 and 3. It will be noted that
the.Y plunger I2 has a somewhat smaller exten 65 disposed about the sleeve and plunger which
solenoid when energized holds the valve on- its
sion 6I which is screwed into the plunger I2. This
seat against the pressure of the fluid' in Ysaid con
duit, and a second conduit providing' a connection
from the flask to the vinterior of the practice 'head
iron or some other magnetic material to provide 70 when the valve is open, and means responsive
either to a predetermined operation of the- torpedo
avconsid‘erable force towards the left to close
or toa predetermined' speed of2 the torpedo, de
the,Y opening .from the reducer valve when the
solenoid II isenergized. Since it Would be irn
pending on whichever' occurs ñrst„ for’ de-energizing said solenoid to eiî'ect the opening of
practical to maintain the current in solenoid II
said valve-to thus admitñuid from the flask into
for a great length of time as, for instance, dur
extension has a rubber or nylon valve seat 62"
for closing the opening leading to the reducing
valve. 9. The plunger I2 itself'is made of soft
2,412g22s:
6
theïpractice' head- to displace the ballast liquid
terial, a nonmagnetic guide'sleeve for the plung-z
and thus make the torpedo buoyant.'v ~
er, a solenoid disposed about the‘sleeve and plung
er which solenoid when‘energized holds the -valve’
on its seat against the pressure of the iluid in
said conduit, and a second conduit .providing a'
connection from the ñask'to the interiorëof .the
`
‘ ~
'3.'In' ai system of control for pneumatically
expelling the ballast liquid from the practice head
of a torpedo, by means of a fluid under relatively
high pressure from a high pressure flask, throughl
suitable valvemeans `in the practice’head per
mitting the flow of the ballast liquid when sub
jected> to `-a >predetermined pressure, from the
practice head to thus make the torpedo buoyant,
in combination, a conduit coupled to the flask;
valve means comprising a valve seat in the con
practice head when the valve is open,'signa'l lights,
an adjustable stop disposed at the other'e'nd 'of
thefplunger, which stop when» adjusted 'to “one
extreme position operates the plunger to firmly
seat the valve, and when adjusted to its other
extreme position effects the operation of the sig
duit, a hydrostatically unbalanced valve disposed
nal lights to indicate that the solenoid is ener
to seat on the valve seat, said valve being con- '
gized to hold the valve closed, means responsive
nected to one end of a plunger of magnetic mate 15 to a selected speed of the torpedo in the water
rial, a nonmagnetic guide sleeve for the plunger,
a solenoid disposed about the sleeve and plunger
which solenoid when energized holds the valve on
its seat against the pressure of the fluid in said
conduit, and a second conduit providing a con
nection from the flask to the interior of the prac
tice head when the valve is open, signal lights, an
adjustable stop disposed at the other end of the
plunger, which stop when adjusted to one extreme
for de-energizing said solenoid to open _the valve
to thus admit fluid from the ñask into the prac
tice head displacing the ballast liquid to make the
torpedo buoyant.
20
.
6. In a system of control for pneumatically ex
pelling the ballast liquid from the practice head
of a torpedo, by means of a fluid under rela
valve, and when adjusted to its other extreme>
position eñ‘ects the operation of the signal lights
to indicate that the solenoid is energized to hold
tively high Dressure from a high pressure flask,
through suitable valve means in the practice head
permitting the flow of the ballast liquid, when
subjected to a predetermined pressure, from the
practice head to thus make the torpedo buoyant,
in combination, a conduit coupled to the flask;
the valve closed, and means responsive either to _
valve means comprising a valve seat on the con
position operates the plunger to firmly seat the
a predetermined operation of the torpedo or to a 30 duit, a hydrostatically unbalanced valve disposed
predetermined speed of the torpedo, depending
to seat on the valve seat, said valve being con
on Whichever occurs first, for de-energizing said
nected to one end of a plunger of magnetic ma
solenoid to effect the opening of said valve to thus
admit ñuid from the flask into the practice head
to displace the ballast liquid and thus make
the torpedo buoyant.
4. In a system of control for pneumatically ex
pelling the ballast liquid from the practice head
of a torpedo, by means of a fluid under relatively
terial, a nonmagnetic guide sleeve for the plung
er, a solenoid disposed about the sleeve and plung
er which solenoid when energized holds the valve
on its seat against the pressure of the fluid in
said conduit, and a second conduit providing a
connection from the flask to the interior of the
practice head when the valve is open, means re
high pressure from a high pressure flask, through 40 sponsive to a predetermined operation of the tor
suitable valve means in the practice head per
pedo, after being ñred for effecting the de-ener
mitting the flow of the ballast liquid, when sub
gization of said solenoid to open the valve to
jected to a predetermined pressure, from the
thus admit fluid from the flask into the practice
practice head to thus make the torpedo buoyant,
head displacing the ballast liquid to make the
in combination, a conduit coupled to the flask; Il: torpedo buoyant, means responsive to a selected
valve means comprising a valve seat in the con
speed of the torpedo in the water for also ef
duit, a hydrostatically unbalanced valve disposed
fecting the de-energization of said Solenoid to
to seat on the valve seat, said valve being con
similarly make the torpedo buoyant, and means
nected to one end of a plunger of magnetic mate
for selecting the operation of either of said last
rial, a nonmagnetic guide sleeve for the plunger,
a solenoid disposed about the sleeve and plunger
which solenoid when energized holds the valve on
its seat against the pressure of the fluid in said
conduit, and a second conduit providing a con
nection from the flask to the interior of the prac
tice head whenv the valve is open, means responsive
to a predetermined operation of the torpedo, after
being fired, for effecting the- de-energization of
said solenoid to open the valve to thus admit
ñuid from the flask into the practice head dis
placing the ballast liquid to make the torpedo
two means depending on Whichever of the re
spective control effects for said last two means
occurs first.
7. In a system of control for pneumatically ex
pelling the ballast liquid from the practice head
of a torpedo, by means of a fluid under relatively
high pressure from high pressure flask, through
suitable valve means in the practice head permit
ting the flow of the ballast liquid, when subjected
to a predetermined pressure, from the practice
head to thus make the torpedo buoyant, in com
bination, a conduit coupled to the flask; valve
buoyant.
means comprising a valve seat in the conduit, a
5. In a system of control for pneumatically ex
hydrostatically unbalanced valve disposed to seat
pelling the ballast liquid from the practice head
on the valve seat, said valve being connected to
of a torpedo, by means of a fluid under relative
one end of a plunger of magnetic material, a
ly high pressure from a high pressure flask,
nonmagnetic guide sleeve for the plunger, a, sole
through suitable valve means in the practice head
noid disposed about the sleeve and plunger which
permitting the ñow of the ballast liquid, when
solenoid when energized holds the valve 0n its
subjected to a predetermined pressure, from the
seat against the pressure of the fluid in >said con
practice head to thus make the torpedo buoyant, l) duit, and a second conduit providing aV connec
tion from `the flask to the interior of the prac
in combination, a conduit coupled to the flask;
valve means comprising a valve seat in the con
tice head when the valve is open, signal lights,
duit, a hydrostatically unbalanced valve disposed
an adjustable stop disposed at the other end of
to seat on the valve seat, said valve being con
the plunger, which stop when adjusted to one
nected to one end of a plunger of magnetic ma
75 extreme position operates the plunger Ato firmly'
2,412,223-,
7
8
buoyant, Vm’eansnresponsiye; to ai,` selected4 vspeedeoïv
the torpedo in the _Watenfor also effecting4 the;
deàenergization of vsaidsolenoìd to’ similarly make
nalzlight's to indicate that the solenoid >isener
thetorpedo buoyant, and means for selectingthe
gi'zed to holdv the- valve closed, meansresponsive
to a'predetermined; operation of the torpedov„a,fter 5 operation of feither of said lastu two means der.
being ñre'd, for effecting'the defenergizationi of.
pending on whichever of the respective control
sem',A the vvalve. and ,when adjustedtolìts _other
extreme. position effects thev operation ofthe sig
said: 'solenoid to open the> Valve >to thus .admit
fluid fromïthe ñask into the practice Vhead dis-
placing 'the ballast- liquid to make the torpedo
effects for said last two means occursñrst.
MERRILL .G1 LEONARD.
Документ
Категория
Без категории
Просмотров
0
Размер файла
621 Кб
Теги
1/--страниц
Пожаловаться на содержимое документа