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Патент USA US2406168

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Aug. 2Q, 1946..
2,406,168
L. J. sHuMAKl-:R
VENTILATv-ING APPARATUS
Filed May 5l 1945
2 Sheets-Sheet -l
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Aug. v20€, 1946,
L. J. SHUMAKER Y
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VEINTILATING APPARATUS
Filed May 5, 1943
¿466,36
à sheets-sheet 2
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Patented Aug. 20, Y1946
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2,406,168, i
UNITI-:D STATES PATENT OFFICEA
VENTILATING APPARATUS i
Lucky J. Shumaker, Bellevue, Pa., assigner to
-H. H. Robertson Company, Pittsburgh, Pa., a
corporation of Pennsylvania
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Application May 5, 1943, Serial No. 485,719
’ 5 Claims.
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(Cl. 98-42)
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This invention relates vto Ventilating apparatus.
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liability of emission of light through the ven-`
One object of the invention is to provide a
tilator from within the ship. Provision is made
novel and improved construction of Ventilating
for enabling the amount of ventilation ¿to be
apparatus which is adapted for general use and
controlled and the ventilator to be closed dur
particularly for use upon buildings and other 5 ing exceptionally rough weather tov prevent the
structures from which it is desired to exhaust air
entrance of sea water into the ship through the
during black-outs, without permitting light from
within the structure to pass outwardly through
the ventilator.
ventilator.
.
.
’
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Referring now to the drawings in which- the
different features of the invention have been
Afurther and more specific object of the inven- 10 illustrated as embodied in a ship ventilator
tion is to provide anovel prefabricated Ventilating
adapted to be used instead of the open hatches
unit for use as a ship ventilator and whose design
and skylights above referred to, the improved
is such as to readily adapt it for use in newly
ventilator comprises acompletely assembled unit
constructed ships, on ships of present construc- ' having a base portion` it rectangular in shape
tion, and also on any ships which are now in serv- 15 and provided with flanges i2 around the‘peri’ph
ice, and whose construction is such as to enable
ery thereof adapted to nt over the usual comb
the ventilator to continue in operation while the
ing or casing I'4‘ which forms part of the struc
ship is in a combat zone Without permitting light
ture of the ship’s deck or engine room* and is
to emerge through the ventilator.
removably secured thereto by bolts or otherwise.
With these general objects in view, and such 2o The base Ii! is, in- the illustrated structure, iii-'
others as may hereinafter appear, the invention
clined upwardly at its sides I5, I6, and the sides»
consists in the Ventilating apparatus and in the
and vertical ends I'I, I8 terminate inv an elon
ship Ventilating system hereinafter described and
particularly pointed out in theclaims at the end
of this specification.
'
In the drawings Fig. 1 is a vertical sectional
view of the present ventilator forming _a part of
gatedy rectangular opening I 9 comprising thel
throat ofthe ventilator. The base Io has erected.
25 thereon a suction band 2s of- general rectan
gular shape having the sides thereof inclined
upwardly and‘terminating in anupstandingÍ por
aship Ventilating system and erected vupon the
tion which cooperates' with the upper portion of K
usual curbing which now projects above the boat
the end walls to form a rectangular framewithin
deck and upon which the present hatches and 30 which black-out louvers indicated generally >at
skylights forming a part of the present ven24: are mounted; as will be described. The suc
tilating system now used are mounted; and Fig.
tion band 20, louvers 24 and a cap member;
2 is a plan View of the complete Ventilating unit
indicated generally at 26 are preferably mounted
with portions broken away to illustrate the conupon structural framework erected upon and
struction thereof.
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35 supported by the ventilator base to form a unit>
In its broader aspects, the invention contemtherewith. The structural framework for sup
plates a novel and superior construction of venporting these parts comprises uprights 21, diag
tilator of the stationary type which is designed
onals 28, and cap supporting members 29, as
to permit eflicient eXhaustionvof air from within
clearly illustrated in the drawings. The cap
the building, to prevent the entrance of rain 40 member 26 is of a size at least covering the
through the ventilator and at the same time to
ventilator throat I 9 and is mounted upon the
prevent the emission of light through the ventiframework to be spaced a substantial distance
lator from within the building, ’Chus enabling
from the throat to provide lateral air outlet pas
the ventilator to continue in operation during
sageways 3D, 3| through which air may readily
black-out periods. While the Ventilating appa- 45 pass upwardly from the throat and over the
ratus embodying the invention may be used
-cap and out through the black-out louvers 2li
with advantage for general purposes, the inven-
at rthe top ofthe ventilator.
‘
tion is preferably embodied in a ship Ventilating
The suction band 20 is spaced a substantial
system and the construction and design of the
distance from the ventilator throat I 9 to enable
Ventilating unit is such as to adapt 'it to be 50 the air to pass from the ventilator throat o_ut
readily substituted for the hatches and skylights
wardly through the lateral outlet passageways
now used as a part of standard ship ventilators,
30, 3|, andv thence upwardly between the cap
as will be described, and in addition the conand the suction band and then through the
struction is such as to permit the ventilator to
black-out louvers 24 at the top of the ventilator.
be continued in operation at all times without 55 Inorder to control the exhaustion of the air
62,406,168
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passages 30, 3l are arranged to be closed or par- Y
lights, thus destroying the Ventilating system' so
that temperatures continue to rise in the engine
room. In addition these prior hatches and sky
tially closed by damper members 46, 4|, which
lights have offered little protection against the ~ I
as herein shown are pivoted upon the under sides
of the ventilator cap in a position such that whenv
swung downwardly the oiîset lower ends thereof
rest against the inner sides of the throat 1_9 Vand
serve to close the lateral outlet passageways 30,
entrance of sea water and as a result in practice
have been closed a substantial part ofthe time,
thus destroying _the Ventilating system. '
It> will be observed that »the ventilator base may
be bolted or welded to the raised curbing above
3|, such position’being indicated in dotted lines
the boat deck, permitting removal of the venti
l . from within the ship by nie ventilator the ounet
in Fig. 1_ In their( elevated positions the lower` „ ' lator and rendering the engine room accessible
through a large openingn‘ The base is sloped up
ends of the dampers are arranged Vto abut or sub
wardly from the curbing to the throat of the'ven
stantially abut, to form deñecting members for
it passesan upwardly l-r' ’ tìla'tor, and
deflecting the air as throat
Slope raises the throat 0f the
Y
ventilator considerably higher than theboat` deck
through the ventilator
direction andV through the outlet passagewaysV 7.15, lso that if “green water” should wash over the>
enter the Y’ventilator
30,»31. The dampers `may be suspended `Yat " deck4 it would not necessarily
different angular positions to’ partially,A close," ' throat
until it reached a substantial height.V It
the outlet openings and thereby control the,l will also be observed that in the present struc
amount of ventilation desired. In the embodi 20 ture of ventilator, shouldr rain enter the ventilator
invention herein shown, provisionis
through the black-out louvers, it is drained from
.ment of the
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the cap into gutters 86 and theseV gutters 80 spill
made for enabling the dampers 40, 4l to be simul
taneously .operated by mechanism including `a
the water onto the base, and the base due to its
slope directs the water through the Aopening be
hand operated wheel 50 mounted within the en
tween the suction band- and the base, allowing
gine room or other portion of the ship immedi
25
ately below the ventilator, and as v_he hand wheel
the water to wash onto the ship’s deck. ,
.
isrotated, the rotations'thereof are transmitted
, Prior to the present invention the matter `of
escape from the engine room has presented sub
through the vertical operating shaft 52 and worm'
stantial difiiculty during those periods when the
and worm wheel, indicated generally at 54, to turn
closed.V
pinions 56, 51 arranged to mesh with segmental
usual skylights and hatches have been
y
racks'58, 60, one rackbeing mounted upon each 30 Particularly during black-out periods when black
has been placed in the
damper.V The racks 58, 66, are' held in mesh -with
f out louvres and screens
thepinions 56, 51 by guide members 64,68 sepa
skylights, the methodY of escape was restricted to
rated ‘as shown in Fig. 2 and are pivotally mount
the intake ventilators. In accordance with the
ed on the pinion shaft 59 and provided'with roll
present invention, escape hatches 82,V B4 are pro
ers for engaging the back of the racks.V `
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'I‘he suction band 20 acts asa wind baille which
prevents wind or rain from entering between the'
cap 26 andthe base I0. The black-out louvers
' vided at least at one end and preferably at both
ends of the ventilator unl and these are dis
posed so as tor» permit ready escape Yfrom* `the
engine room irrespective as to whether the damp
24 and an adjacent baille 10 prevents light from
ers are closed or open.
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While the preferred embodiment ofthe inven
being emitted from within the ventilator; It willr
be observed by reference to Fig. 1 that the black
tion has been herein illustrated and described, ,it
will be understood that the invention'may vbe em
out'l louvers24 vcomprise a series of baffles bent
into angular shape, as shown, witha small ver
bodied in YotherA forms within the scope of the
tical section 12 at the top. This vertical section
following claims.
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Having thus described the invention, what is
12 is so designed that if air passes in any direc- tion across the top of the’ventilato'r it does not
retard the exhaust air.' Therefore, if a ship were’
1. A ventilatin unit comprising a base pro
vided with an opening forming the VventilatorV
travelling in the >same direction as the wind, the
angle bañies 24’would not act as a scoop and force 50 throat, a ventilator cap supported a substantial
the air down into the ventilator?but would permit
distance above the ventilator throat providing
the air to pass freely across the top of the venti
lateral air exhaust openings between it and the
lator, creating a suction action. The baffle >10
ventilator base, said ventilator cap having side
consists of a flat piece of metal or other material
portions projecting outwardly beyond the open
extending the full length of the ventilators, and
ing of said ventilator throat, opposed dampers
it `functions to prevent >light from the 'right side 55, having one of their side edges pivotally mounted
at the side edge portions of said cap and ar
of the ventilator entering the'left side of :the
black-out louver and also to prevent lightV from
ranged to- swing outwardly into a position .to
the left side of the ventilator from entering the
close’said openings and inwardly until the op
posite edges thereof are in substantially abutting
right side of the black-out louver. '
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The bañie 10, cap 26, ventilator throat I9 and 60 position to form deflectors for the air emerging
from said throat, said dampers extending up-Y black-out louvers 24 are spaced with relation' to
one another so as to insure that any light emerg
wardly and outwardly in opposite directions from
ing through the throat from within the ship or
their substantially abutting edges and operatingY
other structure is reflected three ytimes before
to prevent'entrapment of the outgoing air under
emerging from the top of the ventilator, and it 65 the ventilator cap, and a suction band mounted
has been found that such an arrangement insures
upon the base and surrounding >said cap and
the desired-black-oun'thus permitting the ship
spaced a substantial distance therefrom to form
to operate incombat Zones without the neces
an‘air passage communicating with said lateral
sity ofclosing the ventilatingrsystem. Hereto
air- exhaust openings, said band extending above
fore the hatches or; operating skylights,~ which 70 the capand below said ventilator throat, and .
have been hinged upon the deck curbing '|4, per
terminating at its upper end in an opening. ‘
Amitted'light to emerge from these hatches or sky
2. A Ventilating unit Vcomprising a base 'pro
lights when opened, thus rendering .the ship> a
vided with an opening forming the ventilator
target for Venemy action. Consequently it has
throat, a ventilator cap supported a> substantial
been the practice'to closer the hatches and‘sky 75
claimed is:
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2,406,168
distance above the ventilator throat providing
lateral air exhaust openings between it and the
ventilator base, said ventilator cap having side
ing, a rectangular shaped suction band mounted
upon said base and having its upper end open
portions projecting outwardly beyond the open
and provided with black-out louvers, a ventilator
ing of said ventilator throat, opposed dampers
cap within the suction band and disposed a sub
having one of their side edges hingedly con
stantial distance above the ventilator throat, said
ventilator cap having side portions projecting out
wardly beyond the opening of said ventilator
throat, dampers hinged at their upper ends at »the
nected to an edge portion of said lcap and ar
ranged to swing outwardly into a position to
close said openings and inwardly until the oppo
side edge portions of the cap and arranged to
site edges thereof are in substantially abutting
position to form deflectors for the air emerging 10 be swung inwardly from their closed to their open
positions, the free ends of the dampers terminat
from said throat, said dampers extending up
ing at a point above the mid portion of the ven
wardly and outwardly in opposite directions from
tilator throat when the dampers are in their
their abutting edges and operating to prevent en
fully open positions and providing de?lecting sur
trapment of the outgoing air under the venti
lator cap, a suction band mounted upon the 15 faces extending upwardly and outwardly from
base and surrounding said cap and spaced a sub
above the mid portion of the ventilator throat
toward the side edges of the cap, whereby to
stantial distance therefrom to form an air pas
assist in the outward movement of the air
sage communicating with said lateral air exhaust
through the space between the cap and the sides
openings, said band extending above the cap and
below said ventilator throat, and terminating at 20 of the throat and to prevent entrapment of out
going air under the cap, operating mechanism for
its upper end in an opening, and a series of
actuating said dampers, said operating mecha
blackout louvers in said opening shaped to pre
nism extending down into the ship, and a bail‘le
vent the emission of light from Within the venti
member projecting upwardly from said cap and
lator base through said opening while permit
25 cooperating with said black-out louvers,
ting passage of air therethrough.
louvers, bali‘le, cap and throat being arranged to
3. In a Ventilating system for a ship having a
insure reñection of any light emerging from the
deck, a curbing projecting upwardly from the
deck and surrounding an opening in the deck
throat at least three times before the same passes
outwardly from the ventilator through- said
leading to within the ship, a Ventilating unit re
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movably erected upOn said curbing forming a clo 30 louvers.
5. A Ventilating unit comprising, a base pro
sure for said opening, said Ventilating unit com
vided with an opening forming the ventilator
prising a stationary ventilator having a rectangu
lar shaped base including portions inclined up
wardly and inwardly and terminating in spaced
relation to form a rectangular opening forming 35'
the ventilator throat, said ventilator throat being
disposed a substantial distance above said curb
ing, a rectangular shaped suction band mounted
upon said base and having its upper end open,
a ventilator cap within the suction band and 40
disposed a substantial distance above the venti
the open upper end of the suction band, a series
lator throat, said ventilator cap having side por
tions projecting outwardly beyond the opening
of longitudinally straight black-out louvers
of said ventilator throat, dampers hinged at their gc. Cal mounted upon the suction band within the open
upper ends at the side edge portions of the cap ' upper end thereof, each of said black-out louvers
and arranged to be swung inwardly from their
closed to their open positions, the free ends of
the dampers terminating at a point above the
mid portion of the ventilator throat when the 50
dampers are in their fully open positions and
providing deiiecting surfaces extending upwardly
tion and relatively angularly disposed leg por
tions providing a section which is V-shaped in
and outwardly from above the mid portion of the
cross section with the legs of the V diverging rela
ventilator throat toward the side edges of the
cap, whereby to assist in the outward movement 55 tive to the horizontal, said louvers being spaced
so that the apex of the V-shaped section of one
of the air through the space between the `cap and
the sides of the throat and to prevent entrap
louver extends at least partially into the opening
ment of outgoing air under the cap, and oper
of the V-shaped section of an adjacent louver,
ating mechanism for actuating said dampers,
said cap including portions projecting outwardly
beyond a line connecting the side of the throat
said operating mechanism extending down into
the ship.
60 and the side of the louver opening for causing
4. In a Ventilating system for a ship having a
light passing outwardly from the throat to‘be
deck, a curbing projecting upwardly from the
reñected from the underside'of the top walls of Y
deck and surrounding an opening in the deck
leading to within the ship, a Ventilating unit re
said Ventilating unit
the suction band before passing outwardly
through the louvers so as to insure that light
65 emerging through said throat is reilected at least
three times before emerging through the upper
comprising a stationary ventilator having a rec
end of the ventilator, and damper means dis
tangular shaped base including portions inclined
_
and Ventilator throat
arranged to form a water-tight closure therebe
upwardly and inwardly and terminating in spaced
relation to form a rectangular opening forming 70 tween when said damper means is in closed po
sition.
the ventilator throat, said ventilator throat being
disposed a substantial distance above said curb
LUCKY J. SHUMAKER.
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