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Патент USA US2134767

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Nov. 1, 1938.
Original Filed July 22, 1952
<20 4/ 51
Patented Nov. 1, 1938
Charles Strancke, Milwaukee, Wis.
Original application July 22, 1932, Serial No.
623,957. Divided and this‘application Decem
ber 16, 1936, Serial No. 116,049
5 Claims.
This invention relates to improvements in
charge diluting attachments for engine intake
The present application is a division of my
5 application No. 623,957 entitled “Charge modify
ing attachments for engine intake manifolds”.
In the above entitled parent application I have
disclosed a preferred means for regulating the
total flow of a gaseous mixture to the manifold
it) together with means for regulating the delivery
of such mixture to the manifold in a manner to
vary the portions of the mixture supplied to por
tions of the charge in varying areas of the mani~
(Cl. 48-180)
Pipe 3| leads the diluting air to an annular
distributing conduit 40 which may comprise a
groove cut in the upper face of the block 35.
From this conduit any desired number of ducts
4| lead tangentially into the mixture passage
39, each ‘duct preferably being under the indi
vidual control of its own needle valve 42. To pro
vide a convenient seat for the jamb nuts 43 for
these valves the block 35 may be squared up as
shown in Figure 2.
As above noted, it will be found that these
valves should be adjusted individually according
to the requirements of the particular engine. It
to the charge regulating attachment which is
?tted to the manifold. It is the primary ob
ject of the invention to provide a manifold inlet
?tting incorporating means by which the in
coming gas may be apportioned between different
parts of the manifold to secure the most desir
able results, it being found that the ?ow of
charge through the manifold is by no means uni
will be found that best results may be secured
with one valve relatively wide open and another
relatively tightly closed, depending on factors un
known at the present time, but probably con
cerned with the manner in which the charge
moves from the carburetor through ?tting 35 to
the intake manifold.
I claim:
1. An intake manifold ?tting comprising a
block having a central aperture registerable with
form and that the incoming gas should be ap
the manifold opening, a plurality of ducts open
The present application pertains speci?cally
portioned about the manifold in accordance with
the relative flow of the charge therethrough.
In the drawing:
Figure 1 is a diagrammatic view largely in side
elevation but partially insection showing the de
30 vice of the present invention applied to an intake
manifold between the carburetor and the mani
fold proper.
Figure 2 is a plan view of the ?tting partially
broken away to a horizontal section.
Figure 3 is a fragmentary detail View taken on
the line 3-—3 of Figure 2.
Like parts are identi?ed by the same reference
characters throughout the several views.
It is very important in any air or gas admis
40 sion system to control the delivery of the diluting
gases not only as to amount but also as to the
proportionate amount delivered to different parts
of the manifold. Different engines vary as to
their requirements in this regard even as between
engines of the same make equipped with like car
ing tangentially into the aperture of said block,
and- needle valve means in threaded connection
with said block and individually controlling the
respective ducts, said block including a conduit
placing the several ducts in communication with
each other and comprising a channel in a face
of the block externally of the points in said ducts
at which said needle valve means is effective.
2. An intake manifold ?tting comprising a
block having faces adapted to be clamped be
tween the manifold ?anges and having a'central
aperture registerable with manifold openings and
having a plurality of ducts opening tangentially
into said aperture and a channel in one of said
faces adapted to be closed by one of said flanges
when the ?tting is assembled in the manifold, a .
supply pipe leading through said block to the
channel, and valve means individually controlling
the respective ducts and manually adjustable to
predetermined settings, said conduit communi
cating with the several ducts externally of said 45
My improved inlet ?tting comprises a block 35
interposed between the intake manifold ?ange
36 and the complementary carburetor flange 31.
The block 35 is‘ preferably made to register with
the aforesaid ?anges and is apertured in regis
try with the holes which receive bolts 38. It has
valve means, whereby to afford controlled com
a central bore 39 which passes with a slight re
affording communication between the several
ducts and provided with a supply connection,
and valve seats about each of said ducts between 55
striction at 34 to the intake manifold the charge
55 originating in the carburetor.
munication between said pipe and said aperture
at a plurality of points about the periphery
3. An intake manifold ?tting comprising a 50
block having a central aperture, a plurality of
ducts opening to- said aperture, passage means
said passage means and said central aperture;
in combination with a valve member for each
duct threaded in said block and adjustable to
and from one of said seats, whereby to control
?ow to said aperture at each of the points at
which the several ducts open thereto.
4. An intake manifold ?tting comprising the
combination with a block having faces adapted
to be clamped between manifold ?anges and a
central aperture registerable with manifold open
ings, and a channel in one of said faces adapted
to be closed by one of said ?anges when the ?t
ting is assembled in the manifold, and a plurality
of ducts opening from said channel to said aper
ture at various points about the periphery there
of, said block being provided with a valve seat
for each such duct between said channel and said
aperture; of a supply pipe leading through said
block to the channel; and valve means individ
ually adjustable in said block to and from the
respective seats, whereby to control relative de
livery from said pipe to said aperture individually
through each of the several ducts.
5. An intake manifold ?tting comprising a CI
block having a central aperture constituting a
manifold section and a plurality of ducts opening
through said block tangentially to said aperture
at points spaced about the periphery thereof;
in combination with supply means communicat
ing with the several ducts, said block being pro
vided at each duct with a valve seat between said
supply means and said aperture; and needle
valves associated with each of the several ducts
and individually adjustable to and from the re 15
spective seats to control relative delivery indi
vidually through the several ducts at the points
of said aperture to which said ducts open.
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