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Патент USA US2410440

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'NOV. 5, 1946.
v. '
' c, A_ GREEN Ef'4AL
2,410,440
AUTOMATIC HYDRAULIC BRAKE
Filed Jan. 12, 1958
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Nov. 5, 1946.
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c. A. GREEN ET_AL .-
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2,410,440
AUTOMATIC HYDRAULIC ‘BRAKE
Filed Jan. 12. 1938
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NOV. 5,1946.
c, A_ GREEN ETAL~ .-
2,410,440
AUTOMATIC HYDRAULIC BRAKE
Filed Jan. 12, 1958
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Patented Nov. 5, 1946 ‘
2,416,440
UNITED STATES PATENT GFFICE _
Charles A. Green, Washington, ‘Dr 0., and Ernest
M. Seifert,.Brooklyn Park, Md.
Application January 12, 1938, Serial Nb. 184,592
12 Claims. (01. ‘114_2s9_-),
.
(Granted under the act of March" 3, 1883;. as'
amended April 30; 19
2
This. invention relates 1 to means. for preventing
whipping of torpedo tubes when a torpedois ?red
and has among its several. objects:
To provide automatically acting means to pre
vent displacement of torpedo. tubes from their
position to direct a torpedo to a target;
To provide meansactuated by the pressure of
in“ a hanger‘ I I‘ ?xed to the tubes and meshed withv
a gear‘ I2‘ that. is ?xed against rotation by key
I‘Swhereby, when shaft I4 to which worm. H) is.
secured is: driven by a motor (not shown) the
tubes will becaused to move in azimuth.
A coupling I5 connects shaft M to the shaft.
46, of. a hydraulic. device ll of well-known con
struction such asis commonly called the“ I” end
thelagent utilized toexpela torpedo from a tor—
pedo tube to lock the tube in the. desired ?ring
position;
'
V
of a hydraulic variablespeed gear whereby rota
tion of shaft l4 will drive the. device I‘! andcause
circulation. of ?uid therethrough. in. a manner
well-known. Pipes [8 and 19' are connected‘,
,
To provide simple and highly e?‘ective mech
anism for the purposeymentioned that. is not
likely to- getv out of. order and will not fail to
through valve casing 20 to constitute, with the
function’.
device IT, a. closed circuit in which ?uid is cir
In the drawings:
15 culated by rotation of shaft. l4. The.v valve cas
Fig. 1 is atop plan view of quadruple torpedo
ing 20' encloses a quick closing valve 2! (Fig. 4)
tubes with-portions of the tubes. cut- awayto show
consisting‘ of a; cylindrical Valve member 2]. hav
certain parts of the present invention;
- Fig. 2 is a- side elevation of the parts shown in
Fig.
l;
-
.
v
Fig. 3 is an enlarged detail planv view, with
parts in section, of the valve actuating means;
ing; through it a. passage zzithat is adapteol'to be
alignedjwith the openings from ,pipes 18 and I9
20 into the valve casing when in. open position butv
is turned at right angles. to. the line connecting
said. openings when in the closed position, there
by preventing passage of ?uid through the above
mentioned. closed‘ hydraulic circuit. It is obvious
same;
25 that when valve. 2! is in‘ the closed. position the
Fig. 5 is a transverse sectional view taken on
circulationof ?uid through the‘ device' ll will be
the line; 5-5, Fig. 4;
prevented and thereby theshai’t M" will be held
Fig. 6' is an axial sectional view of the pressure
against rotation. Consequently, torque applied‘
operated means, substantially on the line 6-5,
. Fig. 4» is an elevational view; with parts in see
tion, of‘ the valve and means‘ .for‘ operating the’ ~
Fig. 2;
v
'
Fig. 7 is an elevational view of the part shown
in Fig. 6.
It is well known that firing a torpedo from a
to-rotate the tubes 8 on their mount will be pre
. vented‘ from becoming e?'ective to set up such
rotation. The device I‘! is ?xed to the torpedo
tube 8 by means‘ of‘ a hanger bracket 23.
Fixed ‘to ‘the spindle 2'4‘ of‘ valve 2| is a lever
torpedo tube results in whipping ordisplac'ement
arm 25‘ having: on it an upwardly projecting pin
inv train, of the tube, with resultant inaccuracy
26‘ slidaibiy'disposed: in slot 21 in a head 28rcar
in ?re and failure. to‘ direct the torpedo ac
ried by piston rod". 29; The piston rod29 is en'
} curately_ to'its target. The: present invention- is
gaged with a piston 30 in cylinder 3| that is con
a- simple and very satisfactory solution of. the"
nected by pipe 3»! to a: manifold 33v operatively
problem of preventing this undesirable displace
ment.
connected to the cylinders 34 to plac'erthe- cylin
ders 345‘ communication with cylinder 31'. The
While our invention is shownand described in
spring 35 in‘ cylinder 31; is- under‘ compression and
association with quadruple‘ torpedo tubes, it is
tends to- hold the‘cyli-nder 3D in the position-de
to be understood? that. its usefulnessisinot limited
picted in-Fig. 3 whereby the valve». 2|’ is normally
thereto but may be‘ used: with one or more on a
common mount.
t is of course obvious that 45 maintained in the‘ openposition.
Sliclably disposed in each cylinder 34‘ is a pis
?ring a torpedo from a tube which is displaced
ton 135v that is- normally» helolv at the limit; of its
radially from the center of the mount about
movement‘ toward. the-tube 8~ upon which the cyl
which it is trained will develop a torque tending
inder 34K is mounted by a spring 31. The space
to rotate the mount and‘ consequently our inven
above piston 36' is ?lled with oil; or-other suitable
tiOn; is of greater value in connection with a
fluid that forms a part. of the fluid‘ body ?lling
multiple mount of tubes, but it may be usedv with
the pipe 32- »and the manifold '33‘, whereby pres
triple,’ double or even, if desired, with single-tubes.
sure exertedv upon the piston 36- to move it up
In the drawings are shown four torpedo tubes
wardly‘ in its cylinder will’ be transmitted to
8‘ on a mount 3- whereon the tubes‘may be trained.
The‘ training mechanism‘ is aworm l? carried;
piston M-tomove piston 30> outwardly and there
by; through lever arm: 25,; rotate the valve 2-! to,
2,410,440
3
the closed position. The lower end of piston 36
has a cavity 38 formed in it in registry with the
passage 39 that places cylinder 34 in communi
cation with the interior of the tube 8. A vent 40
is provided to permit free passage of air for the
purpose of preventing back pressure that would
, tend to check the movement of piston 36. A res
ervoir M is connected to manifold 33 through a
check valve 43 of any well-known construction
that will permit ?uid from M to keep the pressure ,
system continuously ?lled with ?uid but Willpre
vent passage or ?uid from said system back to'
the reservoir 4! when the ?uid in the system is
under operating pressure.
'
The ?ring mechanism 53 is shown as being of
the type utilizing a charge of powder but our
invention is adapted for use with compressed air
or any type of expansible agent used to expel the
torpedo from the tube. It will be obvious from
the foregoing that when the pressure in tube 8 is
increased to expel a torpedo therefrom, that pres
sure will act through the passage 39 to force pis
4
sion of said agent, a second piston in said second
cylinder movable away from said tube by the
pressure of said agent, resilient means normally
holding said second piston at the limit of its
movement toward said tube, a ?uid system con
necting said cylinders to each other whereby
movement of said second piston by said agent is
transmitted to said ?rst piston to move said valve
to the closed position and prevent circulation of
?uid through said conduit, a container connect
ed to said system to supply ?uid thereto, and
means to prevent return of ?uid from said system
to said container.
2. The combination with a torpedo tube
mounted to be movable in train, training mecha
nism therefor including a rotatable shaft posi
tively connected to drive said tube in train, and
ton 2,5 upwardly against the action of spring 31,
thereby displacing ?uid from the cylinder 34 and
transmitting through the manifold 33 and pipe '
32 a volume of fluid that will force the piston 30
means to introduce into said tube a ?uid pro
pulsive agent to expel a torpedo therefrom, of
a device having a part connected to said shaft
to rotate ‘therewith, a ?uid circulating means
driven by said part, a conduit connected to con
vey ?uid from the discharge to the intake of
said circulating means, control means in said
conduit to control the flow of ?uid therethrough,
a ?rst cylinder, a ?rst piston therein, means
operatively connecting said piston to operate said
outwardly from its normal position and actuate
control means, resilient means acting upon said
the valve 2! to the closed position thereby pre
piston to hold said control means normally open,
venting circulation of ?uid through the device
a second cylinder having one end in communi
I‘! and pipes l8 and I9, which will apply an effec 30 cation with the interior of said tube adjacent
tive hydraulic lock to shaft l4 and hold it posi
the point of admission of said agent, a second
tively against rotation whereby any displacement
piston in said second cylinder movable away
of the tube in train is absolutely prevented, The
from said tube by the pressure of said agent,
action of our invention is substantially instanta
resilient means normally holding said second pis
neous, is effective before the pressure in the tube
ton at the limit of its movement toward said
tube, a ?uid system connecting said cylinders to
is su?icient to break the stop box tension link,
locks the torpedo tube against whipping when a
each other whereby movement of said second
torpedo is being ?red but promptly releases after
piston by said agent is transmitted to said ?rst
the torpedo has left the tube so the tube may be
piston to move said control means to the closed
position and prevent circulation of ?uid through
immediately moved in train to direct it upon any
said conduit, a container connected to said sys
other target if so desired.
According to the provisions of the patent stat
tem to supply ?uid thereto, and means to pre
vent return of ?uid from said system to said
utes we have set forth the principle and mode of
operation of our invention and have illustrated pl container.
3. The combination with a torpedo tube
and described what we now consider to represent
mounted to be movable in train, training mecha
its best embodiment. However, we desire to have
nism therefor including a rotatable shaft posi
it understood that within the scope of the ap
tively connected to drive said tube in train, and
pended claims the invention may be practiced
otherwise than as speci?cally illustrated and de- '
scribed.
The invention herein described and claimed
may be used and/or manufactured by or for the
Government of the United States of America for
governmental purposes without the payment of
any royalties thereon or therefor.
We claim:
1. The
combination
with
a
torpedo
tube
means to introduce into said tube a ?uid pro
pulsive agent to expel a torpedo therefrom, of a
device having a part connected to said shaft to
rotate therewith, ?uid circulating means driven
by said part, a conduit connected to convey ?uid
from the discharge to the intake of said circulat
ing means, a quick shut-off rotary valve in said
conduit to control the ?ow of ?uid therethrough,
a ?rst cylinder, a ?rst piston therein, means op
eratively connecting said piston to operate said
mounted to be movable in train, training mecha
nism therefor including a rotatable shaft posi
valve, resilient means acting upon said piston to
(50 hold said valve normally open, a second cylin
tively connected to drive said tube in train, and
der having one end in communication with the
means to introduce into said tube a ?uid pro
interior of said tube adjacent the point of ad
pulsive agent to expel a torpedo therefrom, of a
mission of said agent, a second piston in said
device having a part connected to said shaft to
second cylinder movable away from said tube by
rotate therewith, ?uid circulating means driven
the pressure of said agent, resilient means nor
by said part, a conduit connected to convey ?uid
mally holding said second piston at the limit of
from the discharge to the intake of said circulat
its movement toward‘ said tube, and operative
ing means, a quick shut-off rotary valve in said
connecting vmeans whereby movement of said
conduit to control the ?ow of ?uid therethrough,
second piston effects corresponding actuation of
a ?rst cylinder, a ?rst piston therein, means op
said ?rst piston to move said valve to the closed
eratively connecting said piston to operate said
valve, resilient means acting upon said piston to
hold said valve normally open, a second cylinder
having one end in communication with the in
terior of said tube adjacent the point of admis
position and prevent circulation of ?uid through
said conduit.
'
4. The combination with a torpedo tube
; mounted to be movable in train, training mecha
5
2,410,440
nism therefor including av rotatable. shaft posi
tively; connected; to drive said, tubein train,.aml~
means to introduce into. said tube, a. fluid? pro
pulsive agent to expel atorpedo therefrom, ofé a:
devicevhaving. a part connected to said shaft to
rotate therewith, ?uid circulating means driven
ation of? said; ?rst piston to movesaid ‘control
means to- the. closed’positi'on and prevent circulae
tionofi?uidthrough said conduit.
7. The combination with a torpedo tube mount;
ed‘ to, be movable in train, training. mechanism
therefor including a rotatable. shaft positively
by said part, a conduit connected to convey ?uid
connected to drive said tube in train, and means
from the discharge to the intake of said circulat
to introduce into said tube a ?uid propulsive
ing means, control means in said conduit to con
trol the ?ow of ?uid therefrom, a ?rst cylinder, 10 agent to expel a torpedo therefrom, of a device
having a part connected to said shaft to rotate
a ?rst piston therein, means operatively connect
therewith, ?uid circulating means driven by said
ing said piston to operate said control means,
part, a conduit connected to convey ?uid from
resilient means acting upon said piston to hold
the discharge to the intake of said circulating
said control means normally open, a second cylin
der having one end in communication with the 15 means, control means in said conduit to control
the flow of ?uid therethrough, a ?rst cylinder, a
interior of said tube adjacent the point of ad
?rst piston therein, means operatively connect
mission of said agent, a second piston in said
ing said piston to operate said control means,
second cylinder movable away from said tube
by the pressure of said agent, resilient means nor
mally holding said second piston at the limit of
its movement toward said tube, and operative
connecting means whereby movement of said
second piston effects corresponding actuation of
said ?rst piston to move said control means to
means acting upon said piston to hold said con
trol means normally open, a second cylinder hav-,
ing one end in communication with the interior
of said tube adjacent the point of admission of
said agent, a second piston in said second cylinder
movable away from said tube by the pressure of
said agent, means normally holding said second
the closed position and prevent circulation of
?uid through said conduit.
piston at the limit of its movement toward said
5. The combination with a tubular mem
ber mounted to be rotatable about an axis trans
verse to the length of said member, means in
movement of said second piston effects corre
cluding a rotatable shaft positively connected to
drive said member in rotation, and means to pro
duce an increase of pressure in said member, of
a device having a part connected to said shaft
to rotate therewith, means driven by said part
to propel a stream of ?uid, a conduit associated
with the last mentioned means to constitute
therewith a closed circuit for said ?uid, control
means in said conduit to control the ?ow of ?uid
therethrough, a ?rst cylinder, a ?rst piston there
tube, and operative connecting means whereby
sponding actuation of said ?rst piston to move
said control means to the closed position and pre
vent circulation of ?uid through said conduit.
8. The combination with a tubular member
mounted to be rotatable about an axis transverse
member, means including a
rotatable shaft positively connected to drive said
member in rotation, and means to produce an
increase of pressure in said member, of a device
having a part connected to said shaft to rotate
therewith, means driven by said part to propel a
in, means operatively connecting said piston to 40 stream of ?uid, a conduit associated with the last
mentioned means to constitute therewith a closed
operate said control means, means acting to hold
said control means normally open, a second cylin
der in communication with the interior of said
tubular member, a second cylinder movable away
circuit for said ?uid, control means in said con
duit to control the flow of ?uid therethrough,
means actuatable by pressure in said tubular
from the tubular member by pressure therein, 45 member, means to transmit movement of said
pressure actuatable means to move said control
means normally holding said second piston to
means to closed position, and means acting to
ward said tubular member, and a ?uid system
maintain said control means normally in open
connecting said cylinders with each other where
position.
by movement of said second piston by said pres
9. The combination with a rotatably mounted
sure is transmitted to said ?rst piston to move 50
hollow member, and means including a rotatable
said control means to the closed position and
shaft positively connected to drive the same in
prevent circulation of ?uid in said conduit.
rotation,
of a closed hydraulic circuit including
6. The combination with a tubular member
means to propel ?uid through said circuit and
mounted to be rotatable about an axis transverse
to the length of said member, means including 55 means to control the flow of ?uid therethrough,
a movable member connected to actuate said con—
a rotatable shaft. positively connected to drive
trol means to closed position to prevent said ?ow
said member in rotation, and means to produce
of ?uid, means responsive to pressure in said
an increase of pressure in said member, of a de
hollow member operatively connected to move
vice having a part connected to said shaft to ro
tate therewith, means driven by said part ‘to 60 said movable member to close said control means,
and means acting to hold said control means in
propel a stream of ?uid, a conduit associated with
normally open position.
the last mentioned means to constitute therewith
a closed circuit for said ?uid, control means in
said conduit to control the ?ow of ?uidthere
through, a ?rst cylinder, a ?rst piston therein,
means operatively connecting said piston to op
erate said control means, means acting to hold
said control means normally open, a second cyl
10. The combination with a rotatably mounted
hollow member, and means including a rotatable
shaft positively connected to drive the same in
rotation, of a closed hydraulic circuit including
means to propel ?uid through said circuit and
means to control the ?ow of ?uid therethrough,
and mechanism actuatable by pressure in’ said
hollow member to prevent said ?ow of ?uid and
inder in communication with the interior of said
tubular member, a second piston in said second 70
thereby hydraulically lock said hollow member
cylinder movable away from the tubular member
against rotation.
_
by pressure therein, means normally holding said
second piston toward said tubular member, and
operative connecting‘ means whereby movement
of said second piston effects corresponding actu
11. The combination with a torpedo tube and
means to rotate the same, of a hydraulic device
driven by said means, means to prevent the flow
of ?uid through said device, and means actuat
2,410,440
8
able by pressure in 'said tube when a torpedo is
?red to operate said flow preventing means and
thereby hydraulically lock said tube against
increase of pressure in said device, of means to
drive said device in rotation, and means actu
ated by increase of pressure in said device to lock
Whipping.
said device against whipping.
12. The combination with a rotatably mounted 5
hollow device adapted to discharge missiles by
CHARLES A. GREEN.
ERNEST M. SEIFERT.
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