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Патент USA US2411772

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Nov. 26,1946.
.
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7
‘ J. $.BECKER
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HYDRAULIC ‘TRANSMISSION APPARATUS
' '
. 2,411,772
‘
Original Fi1ed1Nov7’23. 1942 ;
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meterboroiv
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Incorporation‘):
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a
application N ember 2a‘. 1942.
New‘. 486,640.v ‘mum band this amnesia
m22,19443 WED-550,651
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c rotation
c voi the driving shaft
> This invention “relates to
apparatus > that upon
" v and particularly to the establishment andcontrol ~ therefore corresponding rotation of i the
“1w > I. '
1
member 28, which ‘is keyed to the shaft". as
;o! a‘ hydraulic type oigdrivingconnection or
indicated at 3i) liquid within the housing sec
>ion for transfer oi’ energy ,irom, a driv-y
tions I and If will'lbepicked-up bythe‘pockets
, ing member to‘ a member to'be driven.,
Aneobjectf'oi' 'the invention‘is't'o provide‘ .1 'iior'med in the impeller 28 by thervanes 28' and
> f thrownyirom said‘ pockets. against the vanes, ll ,
'- ‘of the rotor '0, thereby causing a rotation of the '
‘novel type of hydraulic transmission‘characteré-n
‘
ized.by{th'e'-_:f'ability of the mechanism to adjust
*
itself’ automatically‘ to‘ variations - in; the condi- '
"
‘
c
c
c
I
'
.cha
.,
manner
iidq'ioi ‘the
unit.
producing ~_1:‘0tation oi , the driven '
whereby
the-speed oi'rota- means
,
housingl, thus
l0 shaft l'l-l
,
-
'I'henovel
'tionof- thecdriven shaft i1 is maintained sub
constant“ torque output, according'to whichv is: ‘I stantially constant, ' not, withstanding variation
‘of ,the speed oi’ the drive shaft it, resides ‘in
preferred many given installation.
-- eanumerhobiectqzor the'ijy?ntidn isto meme the vanes; 8| ‘being angularly spaced and having‘.
their ‘outer and inner ends ‘pivotally mounted in
ulicv transmission‘ of the WP‘? ‘in;
a novel
* eluding al'zap'airpi‘ iiuid-areceivingfxnembers,rotaty ; “bearings 62 and N, respectively, formed integral
able about aYconimonaxis-andf'adapted to
< “1th
ure 1.the‘The
housingsection
vanes 6i areoi'an
0, as illustrated
L-shapedconiig-p
in-Fig-' 1
a substantially constant speed-éor
substantially ‘
varying relative positions inuresponse to 'var_ia.--_v
tions in the speed-ioi?theidrivingemember.
,uration'in crossisection and each‘has on'e'iace ‘
‘
engaged by a pair of‘ coiledcompression springs
become apparent ,fromjinspection ot-the ‘follow-"15' :81. > The springs; bear against the walll'oi the
ing speciiicationwhen read'with reference tothe , housing vsection andtend ‘to hold theF-vanes in
__ These and other 'objectsil_oi_~tithe'“invention will
, accompanying‘ drawing wherein‘ an elected "em-x ll the, relative» _dispos_tionindieated ‘in Figure ' 1, _
bodiment-“oi’ the invention isfill'ustratedn It vis
‘namely, luv-‘approximate alignment withv the ‘op-1'
drawing is for the purpose of illustration only,
926:‘ but‘ as' the
‘to be expressly understood, however, that the.‘ ,po's'iteiy'
vanesdloi ‘the driving impeller
‘ iii-rotation increases-‘which '
."fincreased'speed wouldotherwise create‘a tendency
and ‘is'not designed as a de?nition of ‘the lim
~ -
its of the invention, rei'erence'heing had to
' the
a. {5,303
-' "ion-a ‘ correspondingly increased torque output
at thedriven_shaft.'il—the"resulting increase in, '
~appended claim ior this purpose, L = j ; >
?uidipre'ssure exertedagainstgthevanes6| ‘will turn the’. said vanes aboutitheirv bearings
~Figure
Inthedrawing:
1 is a longitudinal,sectionatview‘ot;
~ ‘
. ,
-
‘12f fand "J63 =zthereby " producing a‘ ‘greater degree ' '
picompression-otthe springs 61; As such turn- ~
the
Figure
invention;
2 1s, a. ‘transverse
‘ , sectional
I‘
view
. _ takenon
_
,
f‘
'ing' of the? ‘vanes > occurs the amount of ' relative I
'
In practicing my invention,v I as ~ illustrated ‘in , " --rotation or slip, as between the drivingiimpeller
.
the line‘ 1-2 oi’ Figural;
>
'
-
~ ‘
"1
'16 and the driven vanes 6|, will increase due
'to the increase in. the. gap between theopposing Y
the, drawing, I employ ahousing l’ havingcom
plementary sections 5 and 6 provided with reg‘,
istrating ?anges], and‘ I suitably secured as, 40, edges of the vanes -28 on the one hand and the
now receding edges‘ of the'vanes'Bl on the‘ other.
indicated ‘at 8,‘ and'iurther provided'with hub
>
in slip
' ‘portions Ii‘ and i2, ‘respectively, the formervbee' ' ' ‘Thisiincrease
will in turn-reduce the'?uid'
,_
Y ,
‘ pressure being exerted upon the vanes 6 I ,- thereby; ‘ 1»
-_ v.ing iournaled upon a driving shaft-i3, as indie
cated at“, while the hub I2 is drivably_con- " oijisetting what would'otherwis'e be the ‘tendency; 1 .
toward; increasedctorque: at the driven shaft", n ,
nected by meansof a key 18 to. a driven‘shait
II; the latter being counterbored to form va bear; 45 Thus is-produced an action by reason lofciwléilgh, V . '
' torquev output at the driven shaft i1 is
Zing portion I9 to receive the reduced end portion
II of the driving shaft l3. 1 '
.' . ,
i
_
4 there is provided
UWithin the housing
I
m
-
receiving vesselor member 26 provided with radié
Number 466,640?1ed November 23, 1942. "i ~ 7 I
equipped with radially disposed'vanes 6| ‘which. _
c ‘In’ a hydraulic transmission.’ the combination
'' " ally disposed vanes 28. " The housing section 8 is .60
together 1 with the section 6 constitutes a driven
" rotor, or member 80 which‘ togetherfwith the
' ‘member, 28 provide“ complementary impellers- or
'
'
' tained substantially constant. :
This is aldivision of .my application Serial .. v >
What is, claimed-is:
>
‘
c
‘or a ?uid tight housing adapted to contain ?uid;
a driving‘ impellermember rotatably mounted at
onejend oi saidhousingya driven rotor‘ member ' '
~ ‘rotors with the, disposition thereoi' being-such Z55 rotatably mounted at-the other‘ end of said hous
~ 2,41 1,772
ing and in predetermined spaced relation with‘
respect to said impeller member; and ?uid pres
the adjacent end wall of said housing; and a
plurality of springs for each L-shaped vane and
sure responsive means for varying the space re
in radial spaced relation relatively, said springs
lationship between said members, said means in
disposed between said laterally extending leg and
cluding a plurality of substantially L-shaped
vanes arranged in angular spaced relation about
the axis of rotation of saiddriven member‘ and
the adjacent housing end wall ‘for yieldingly urg
ing said inwardly extending leg toward said im
pivotally connected at both ends to the latter,
each of said L-shaped vanes having an inwardlyv
extending leg, the end face of which is in parallel
spaced relation with the adjacent end face‘ of
' _ peller member, the displacement of said inwardly
‘extending legs being variable to compensate for
differences in speeds of rotation of said impeller
,_ member without; imparting consequent changes
"in the speed of rotation of said rotor member. I
said impeller member and a laterally extending: ,
leg in substantially‘ parallel spaced relation with ‘ \’
JOHN B. BECKER.
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