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Патент USA US2404349

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July 23, 1946. l
w. R. BRANT ErA-L
2,404,349 _
V'ÀLVE
Fiied Nov. Las; 1944
2 Sheets-Sheet 1
‘à
July- 23, 1946.
w. R. BRANT ETYAL
2,404,349'
VALVE
Filed NovT 29. 1944
KW
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2 Sheets-Shed'.l 2
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21
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Patented July 23, 1946
‘
l2,404,349
i ' ‘
UNITED STATES PATENT oFFic‘E
VALVE
Walter R.. Brant and Harvey G. Chapman, Jr.,
Glendale, Calif., assignors to Adel Precision
Products Corp., a corporation of Californial '
1
Application November 29, 1944, Serial No. V565,718
3 Claims. (Cl. 137-139)
2
This invention relates to valves', and more par
tion 4, and two enlarged portions at its opposite
ticularly to an electrically actuated valve which
ends, designated 5, 5. This bore constitutes a
is characterized by the fact that it is self-con
valvel chamber. Said body I is provided -trans
tained in a valve body with all of itslparts sealed
versely in its middlev with a bore 6, intersecting the
within said body and with no parts extended 5 enlarged central bore 4', and the 'outer ends of
through the body so as to require packing or other
which bore 6, are enlarged, as at 1, Fig. 4,‘to re~
sealing means therearound.
ceive gaskets 'I' therein, at the juncture of end
Among the salient objects of the invention are:
plates, or other valve bodies, attached thereto, as
to provide a flow-reversing valve of the character ' in Fig. 5.
above referred to having a spool or piston type of Al0
Communicating with the enlarged end bores
valve member, so constructed and arranged as
5,v 5, are transverse return' bores, as 8, which are
to permit the “stacking” of a plurality of valve
also enlarged at their outer' ends to receive
bodies with a single pressure line and a single
gaskets, as at 8’,'Fig. 3, in :light broken lines.
return line common to all; to provide a valve body
Said body I is also- provided with two main
having a valve chamber therein and a valve mem 15 ports, as 9 and I0, threaded for the connection,
ber operable in said valve chamber, said valve
of pipes therewith for supply and return of oper
member bein-g connected’ at its opposite ends, with
ating Huid to an operating» cylinder, again re
flexible connections, with two solenoids and their
ferred to. The inner ends of these ports il` and
armatures» for movement of Vsaid valve member
IIJ connect through slots 9’ and I0’ with the main
for controlling the ñow of operating fluid through
bore or valve chamber 3, as shown in Fig'. 2, and
said valve chamber to and froml a place of use,4 as
will also be understood from Figs. 3 and 6'.
to the opposite ends of an operating cylinder; to
,
Movably mounted in the main bore or valve
provide in such a valve, a valve member with
chamber 3 isa spool-typer of valve member I3,
means for normally and yieldingly holding it in
which is hollow, and which is adapted to receive
a neutral or balanced intermediate position until 25 a loosely fitting connecting rod I 4, having ball
movedy in one direction or the other;` and, in gen
shaped heads I4', which are connected with the
eral, to provide a valve of the'> character referred
ends of armatures I5, I5, as shown, said arma
to which is economical to manufacture, simple in
tures being operable in the solenoids 2, 2, in the
construction and arrangement, and eilic'ient;` and
certain in operation. `
l
l
usual manner.
`
The opposite ends of thevalve member I3are
formed to receive thereover coiled springs I6, I6,~
the other ends of which springs operate over’the
ends of the armatures I5, I5, in the enlarged end
portions 5, 5, of the main bore 3, as shown, and
In order to explain our invention in detail, we
have shown one practical embodiment thereof on
the'accompanying two sheets of drawings, which
We will now describe:
Fig. l is a perspective View“ of a such a valve
embodying our invention;
Fig. 2 is an enlarged, longitudinal sectional View
«' bear against washers I6', I6' which abut tubular
member I'I: carried by the solenoids and surround
through the valve body and one ofthe solenoids;
surrounded by the spring I6 are reduced and ex
ing the armatures I5. The ends vof the armatures
Fig. 3 is a cross sectional View taken on the line
tend through the washer I 6’ for connection with
3-3 of Fig. 2;
40 the >rod I4. The armatures are provided with
Fig. 4 is a, cross sectional view taken on the line
shoulders I6” which are disposed to contact and
4-'-4 of Fig. 2;
move‘the washers I6’. When either solenoid is
Fig. 5 is a transverse sectional view taken on th
energized the armature of the other solenoid ‘is
line 5--5v of Fig. 1; and
l
pulled by the rod I4 and its shoulderlß” con
Fig. 6 is a schematic view, with the valve body 215 tacts the associated washer Iiij and moves it away
and valve Vmember and solenoids shown in longi
from the member I1 and compresses the asso»
tudinal section, , and also showing it connected
' ciated spring I6,_whi1e the otherspring I6 is com
with'a source of operating ñuid, and with an op
pressed between the member I'I of the energized
erating> cylinderl and piston.
solenoid and the valve member I3. f When one of
Fig. 7 is a fragmentary sectional View taken on 50 the solenoids is de-energized following its oper
the line ‘Il-T of Fig. ~5. i
ation, the springs I6 will return the valve mem
Referring nowy in detail' to the drawings, the
ber I3 to-neutral position and `alsoset the arma- i
valve body I has attached to its opposite ends two
solenoids 2, 2, and is provided therein with a lon
gitudinal bore 3, having an enlarged central por
tures I 5 so that either solenoid may be operated.
Each of said solenoids 2, 2, hasan attaching end .
55
plate or ring Z', for attaching the solenoid body
2,404,349
' noid this will open port '9 to thepressure port 6,
and port I0 to return port 8, with the consequent
to the body I, as shown. Each tubular memberV
I1 with a flange, is extended through said attach
ing ring 2', with a sealing ring I8, between the
flange of said member I1, and the attaching ring
2", whereby to tightly seal the solenoid from the
interior of the body I, which will be filled with
oil or other iluid. The armatures, I 5, I5, are pro
movement of the piston 3I and the movement of
whatever member or part is connectedthereto.
If` both solenoids lare deenergized, the valve
element I3 will be centered by the springs I6, I6,
andgbotn ports 9 and III will be opened to the
retu'rnportsv 8,8, as seen in thel sectional view,
vided in their sides with grooves, as 45', for the Y
purpose of preventing stalling of the movement of -
Fig. 2. ' The'restricted or slot connection between
ports 9 and I0, and the valve chamber facili
the armature I 5, by reason of trapped ñuid within 10 ¿the
the inner tubular member I1, between the arma» ‘ tates this possible connection and the balance of
ture I5 and the flxedcores I1', at the outer ends ' @the valve member I3 in the position shown iny
Fig. 2.
of said solenoids.
.
Y
n
Y
This connection «between the >two armatures I5,
I5, by the connecting rod' I4,jand _the ball and
socket joints, assures of flexibility for perfect
’
15'.
alignment, and free flow of lubricating medium .
and proper sealing of the lubricating medium into
the solenoids, connected to the opposite ends of
the valve body, as clearly illustrated in Fig, 2. `
.
It will be understood, of course, that the usual
electric connections to the solenoids are pro
vided so that by the simple manipulation of a
switch either oi’` the solenoids can be energized.
_ It isnot believed that these electric connections
are necessary to an understanding of the inven
20 tion proper, which is the` construction and ar
>Referring to Figs. 1 'and 5,7it will'be seen that
rangement'of the valve body and valveelement,
the valve bodyl is provided >onrits opposite sides
with end plates I9and20, ‘secured thereto by bolts
housing in the manner shown and described. :
. Thus bythe simple manipulation ofthe proper
and the connections therefor ' Within a closed
2| ,` 2I. Theend plate. I9 is.- formed as shown in
Fig. 7 vwith a 'lf-shaped return vrbore I9’ the outer 25 switch it is possible to energize the desired sole-V
noid and the, valve member I3 will be moved in
end of the shank of which has a fitting 22 therein
?either direction for directing'the .operating viiuid
affording connection with a return line. Theends
into they operating cylinder 30, for moving the
vof the head of ther T-shapedreturn ‘bore I9’ are
piston -and the mechanism -connected therewith,
arranged to register with those outerrends 'of the
return bores 8 which open onV the side of the body 30
It will be noted that all of the’ operating partsV
opposed to the platelli.A The other' ends of the
are within-the valve body,- and the valve chamber
bores 8 are closed by the Vend plate 20. ’The end
therein, and that only portions'of the armatures
plate`20 is provided with a'. bore 20', to communi
of the solenoids work through the closed junc
cate with the transverse bores 6, 6, inthe main
. body I, and with the enlarged central portion 4 35 tures-at the opposite ends of said valve chamber,
thus making the valve self-contained andzclosed
of the main'bore or valve chamber ‘3, as seen in
in a manner to avoid any working parts operating
Fig. 5.' The‘igaskets‘1’,`1’,’are also seen between
through the body of the valve with the necessary
y
whateveritmaybje.-v
said end plates and the body I. The bore 20' `is
"
’
.Y
>
.
»
"
f
for illustrative purposes, ‘except as lwe may be
limited by the hereto appended claims, forming a y
These end'plates'as I 9 and 20, shown in Figbl,
are used'with one or; with plural'valve bodies con
' bythose versed in the art.
"
We do not limit ourpinvention, however, to the
details >of construction-and arrangement shown-
f
nected together, and having'a single‘return line
andal single pressure line, as' will be understood
~
'packing or sealing means therearound.: 1
provided at its outer'end with4 a iitting 23 afford
ing connection with a pressure Vline such as line
21inFíg.6>.
i
part thereof.
-
L
45
"
> "In Fig. 6, said valve bodyis shown .connected
with a source of operating ñuid 25, with >pump 26,
l. A how-reversing valve- of .the character re-ferred to including a valve body having a valve
chamber therein, with »ports.-~ for; connecting .fa
sourceV of» operating fluid >under pressure- to move
in pipe 21 leading to and connectedwith said
through said valve chamber _to andfrom a place
valve body I, through the» bore or port 6, and 50 ofvuse, a hollow valvev of the spool type operable
the enlarged center portion 4 of the> main bore 3,
in said >valve chambervfor controlling the flow tof
in which therspool valve I 3 moves. A return pipe
operating fluid- therethrough, aVV solenoid con
'28 ‘is -diagrammatically shown'as connectedby
nected with each endV of said Avalve chamber, an
means -of a Y to two Yreturn outlet ports.8,. 8,. at
opposite ends of said valve chamber, .andreturns 55 armature in each solenoid'and operable through
to the-reservoir, or source of supply'offhydraulicl .
fluid 25,»through pipe 28. vIn. practice' line 28
will be 'connected to `the returnbore I9’v through
the fitting 22. `A safety or by-pass valve 291is
the closed juncture between the ends of the valve
chamber and said solenoids, a connectingxrod
from one armature to the other through saidhol
low valve, anda coiled spring, interposed between
each armature and the adjacent end of said-valve
shown'connected between pipes 21 and 28. This 60 for normally pressing them apart.
Y a u -may be the usualby-pass valve.
'
. . '
'
2. In a valve structure of the character-ree
_'The operating‘cylinder is designated 30, vwith
ferred to, a valve body having acylindrical valve
operating piston 3| therein, for connection to the
chamber
therein enlarged atits opposite ends, la
part to rbe moved, whatever it may be. The op
posite ends of the 'cylinder 30 are connected by 65 spool valve member operable therein, means-for
" means Yof pipes 32 and 33, withthe supply and
return ports> 9 and I9, respectively, as indicated.
In Fig. 6, the valve I3 is shown moved to the
right incident to energization offthe right hand '
solenoid, with pressureport 6 opened tothe port
I0 and cylinder line »whileV the port 49 is opened
to the return port _8 and'returnrbore I9', with
the consequent movement of the piston 3| to the
left.V Nowif` >the armature and Valve .I3 are vIfnov’ed
to the leftrby energizing of the left 1.194116,'sole--V 15
connecting a source of operating iluid under -pres- i
sure. through said valve chamber, toand _ironia
place of use, controlled by said‘valve'member,
two solenoids connected with >theopposite. ends
of said valve member for moving it in:opposi_te
directions, an armature in each solenoid, a coiled.
spring between-thev armaturefandits end of‘said
valve-member for normally pressing them apart,>
and a rod through said valvemember connecting'> '
said armatures, wherebysaid armatures andv'alveÍ
2,404,349
6
member are flexibly connected for movement to
gether.
3. In a valve mechanism, a valve body having
a valve chamber therein, with port connections
for passing an operating fluid therethrough to and
from a place of use, a, valve member operable in
said valve chamber to control the flow of said
operating fluid, said valve member beingI hollow, a
solenoid connected with each end of said body
and in register with the end of said valve cham 10
ber, an armature in each solenoid and operable
.
through the ‘juncture between said solenoid and
said valve chamber, a coiled spring interposed
between each armature and the end ofl said valve
member and operating to press them apart, and
a connecting rod extended through said valve
member and having a ball and socket connection
at each end with said armatures, respectively, for
the purpose indicated.
WALTER R. BRANT.
` HARVEY G. CHAPMAN, JR.
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