DE1528598A1 - Hydraulic power or work machine with a rotating cylinder block - Google Patents

Description

Jaromir Tobias, Rhinebeck / N.Y. (V. St. A.)

Hydraulic power or work machine with rotating cylinder block

The invention relates to a hydraulic power or working machine and relates to a working machine with radial pistons lying in a rotating cylinder block hydraulic pump or hydraulic motor.

It is the object on which the invention is based to create a hydraulic radial piston pump or motor with extremely high efficiency. The invention creates in particular, an improved hydraulic pump or motor in which a radial cylinder bores containing Block around a hollow shaft with discharge areas in the upper ί surface rotates, with an improved line arrangement between the hollow shaft and the cylinder bores so provided is that the operating efficiency of the machine is increased without a substantial increase in size and the weight of the pump or motor is required.

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Is is for a hydraulic pump or for a hydraulic motor known that the cylinder block, which has an odd number of radially extending cylinder bores has, rotates, and a hydraulic working medium provided in the side surfaces of the hollow shaft Sucks in openings. In the cylinder bores there are radially displaceable pistons, either through an exaentrischea arranged, against the radial outer ends of the piston bearing ring or by a squat track on the the pistons with the cam followers are in contact and a number of stationary components are moved.

Such pumps and motors have heretofore been essentially Used in certain areas of application where the loss of efficiency that occurs during operation is compared neglects the particular advantages that can be achieved in other respects when using such pump and motor systems could be.

In particular, such hydraulic systems are particularly advantageous because a single one is infinitely variable hydraulic pump through appropriate connections to drive one or more rewejenbarena? hydraulic Ifetore on. parts removed from the Pump® can be turned over can, with each of these motors also being infinitely variable is. Jedocii was more like that due to the great loss of strength hydraulic systems their use in cases where /

large forces are to be transmitted, so far uiweokm & Eig *

° 09828 / 0i64 '

Am example of a well-known theoretically possible, however so far aas reasons of low efficiency as inexpedient Considered application is the use of a single hydraulic pump to operate four hydraulic motors, each of which is attached to a wheel ζ. Β. of a motor vehicle.

As mentioned above, Bs is therefore the essential element of the Brfindunr underlying task of a hydraulic pump or a hydraulic 2, iotor with high efficiency create.

To solve this problem, the invention goes the way that with such a pump or motor a greatly improved efficiency through a new design of the passages is achieved, the high losses associated with such known hydraulic pumps or LIotoren during the transfer of the hydraulic license the hollow shaft 'occurs in the cylinder chambers: i, eliminated are.

The invention provides a hydraulic pump or a hydraulic motor of the type mentioned above, in which an increased efficiency is achieved without substantial increases in the camouflaged dimensions. The shower use of the arrangement according to the invention occurring significant increase in efficiency is due to the arrangement of through! 009828/0264 _ßAD original,

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area de ;: Syliiio ^ rfcaia ^ e ^ a _; exhibit.*

£ iins devrarai ^ s .inoronuna is an sicii only aur-ca Ye.iHvenduaa desylindasbloairs na,:, eijie ^ IloJilv / ella ^ it suar ± ^ vexg2ö5e2teü Ι) ^: ΛΚ envies se rn er-Leiohloas _s so Iac c, ie rauiax iniiej; vbii likiden ά, βΛ ⁵ Buiroiildss = iiit a large cross-section in the aer Iruienboiirung. des Zylinaei'uloclies -liiaden 1: öiyu; n, oün.5 eich 3u äoerscnn e id en-- Through the ev ^; fij.idaiiv.s; ^ £ _ _; : .l!. "ie Aaoranu.) if ^ edoch t? isa de: ^; : ζζοΆΰ DuxciilaSqueaiscimitt, without Yex '^ rö-ie ^ urig des Dux ^! chaes = 3ers of the block or aer Hohlv; elle, thereby esreieiiic, dai hollow shaft _ver;; i ^ aie sialaaue ε sang of Siylinderolocks at its Yeubiadungssrelle, the üit: -i'öSe32t v / erde.ii the ^ oui 21ock in which are derleitkammer the hollow shaft yH'ireiiden Bm-cJilisse at the Veroindungsatelle -lit. j -.- =: ·; · iloiilvvell-f. axial to over the diameter of the cylinder- "boii ^ ungsn itself veulängex't. The Que ^ abHessongen of the perch- / eyes .; de. H. the dimensions in "circumferential direction dex Hohlwel le _} "; ΐ ^: 1 at the junction w? Sv "^ licii smaller than ci-32 ¹ ϊ''ύ.υ · ϊΓ · 2: ιβ ■■.? £ % 5, θ. '^;; 2ylinc: srcoiiicai "gen, vöbei this verüi :: - c /:; ^ i '";ivM;; ^: "'3E"; :: ii; dia Aü.or-änunc tinas variety of. Bur ^ ii-

which have a Quersciinittsbereicii ej.va equal to de-u ^ u ^ uschnittsbereicii of the cylinder bores. The axial extent of the passages decreases progressively and their transverse discharge increases progressively radially outwards, the radially outermost cortex of the passages continuously merging into the cylinder bores. As a result of this increase in the external dimensions, the cross-sectional area at every point of the passages can be kept approximately the same as the cross-sectional area of the L-cylinder kaiüüiern.

The arrangement according to the invention can be used in hydraulic P pen oo.er hydraulic motors are used in each year, in the "racial" movable piston suck in liquid from a hollow shaft, regardless of whether the movement is external Piston outwards or inwards through an eccentrically arranged abutment ring, an ITock-iOlgesegment arrangement or through other means we can reach.

The connection is made in the following with the aid of the drawings an embodiment working with an abutment ring explained in more detail.

In the drawings shows:

Fig. 1 is a vertical section through a hydraulic Pump or a hydraulic.: Otor outside Invention-,

009828/0264 ^{BAD 0RiGiNAL} ~ o-

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Fig., ■;> a Ho>; i3öntal3ehniin] along the ^T dnie; '■ "y in Fig _e 2,

Fig. 1 shows a section along the line 4-4 Xn Fig. 2-, and

5 shows an oblique view of a geometric figure, that of the wall surface of one of the Zjlinaerbohrung corresponds to the passage leading to the shaft and from which the shape of these passages 2a can be seen is"

The hydraulic shown in the drawings, as Puraps' resp. Motor usable machine IO has a fixed frame 1I ₅ in ivslshem im \ v ^ 3 ^: ai.ttliGhsn üiittig a hollow shaft is mounted in not daEgasfcallenan 1; &κα; Ε. Bas frame 11 has Sfcitenwaüdabaohiiitte 13 wmI 14, which -Jontageolatten tlix form the base of the hydraulic machine.

The construction of the W ^ machine ssI'deg is also used as a Puüipe or as a motor in ciödej? * BesisBung same and ^ZV: isehen this I ^ achines aahsr are no difference!

The housing 15 may laterally acro; 'f avua Führangsa 1o and 1? have that either aas tiaeai Stüok

009828/026 k bad originaj ,!

"ii, lam are formed or separately bexccci ^ t. The i ^ äaraa ^ sstand ^ e 15 is axially displaceable in a bore 13 in the side wall 14. In the side wall"i;:> a bore 19 is formed; In de.r there is an adjusting wheel 20 which can be rotated and which has a Gev / IIide bore 21 in its ..; The leadership stanae 1? nat external thread 22 and is in the threaded section 22 of the. ¹ TaDe 21 screwed on both sides.

A rotation of the handwheel causes a sideways movement Movement of the thread section 22 uer rod 17 una aarait a lateral shift of the whole case between found $ 1 and $ 14.

Instead of this device to move sideways of the housing to change the eccentricity of the abutment ;; erringes I can use any known such iSinrichtung, can be used. It can also aas housing x'estgele & t be unc. the necessary eccentricity through displacement .. he Koniweil tan aas stationary housing one: divides werüea.

^f -it I: i; -it ii ^ :. cii '; .- .; ■ of the housing 15 form .. bine i ^ igiör- - ..: · - ■>■; Lam l: hn, dit o-:. Xi outer ring a ^ rolling. location.rs.; .Lieves, ■ ·. "I";. ι .. ·: .. ".71USXi. '" iag ' do ϋερ.ΐ- j.iit eL: .iez Au .cn .'..'.-. Ui.:'la- ■

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, ■. ·· ■. ., ίί-;,. ■ -. ",: .IC ^; .:. ■■ '; ■ :. Si ε tan facing aa lien. Ar i D-

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pen 2c on the outer surface of the.; i..ei; position ring 26 in its circumference at luna suf Ab si; a ad to be held. "Js also other ^r jael; -body ouer La; ter arrangements between dea GeH use una be the .iiderlagerrin before ^ ^ eteJaen, ^ ENU rotation diener parts'_e; -eneinanaer is provided.

In i: ewisseä ^ n venaungsfallen it is not necessary a ge ^ en däe Gehease rotatable abutment ring, arrange, In all cases ;; the ". '/ Iderla ^ errinp. A' bearing of the housing, the more common? / iron rollers on the piston or · other friction-reducing arrangements are provided sir.a.

In Viiderla:;. Egg-ring 26 is freely rotatable, among other things. The 7 / elle 12 of the block 29 is axially supported on the hollow shaft 12, for which keyways 30, 31 can be produced on one end face by the one-way drive connection with the power transmission shaft 42. The power transmission shaft, which serves as an output shaft when used as a Hotor or as a drive shaft in the case of the pump, has two axially extending liitneiraerfinger 35, p ^ »which engage in the corresponding radial grooves and thus a rotary joint aer ϊ / elle iüifc de, a block 2 ^l > · Produce.

The block has the usual radial cylinder

Doh.eungeii 3 *? * The number of these holes is not L.-e- ■ -.re:;. St r. , je do oh is dLlichwsise an un'-exaae number,

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illustrated embodiment nine provided.

The rlohlwelle has axially extending supply and discharge passages 36 and 37 5 at their inner ends in to outside open transfer canals 3 <3, 59, which from each other by diametrically opposed partition walls -Ij are separated.

The block has an axial central bore 40 which can be rotated lies on the hollow shaft. Preferably, the block 29 in the bearing area on the hollow shaft is on an axial drain widened, which is larger than the axial dimension of the block at points remote from the shaft.

The axial widening of the block in the warehouse is very important The wave is so big that it crosses the camera;> 3, 59 over the entire length, with rounds 41 and 42 The bore 40 is completely tight and sealed with the hollow shaft 12 in de.a fully cylindrical area on each side of the transfer chambers.

The block 29 has a series of radially extending passages, which the cylinder bore with the central bore 40 of the block connect and flow channels for the hydraulic medium /, wipe the chambers 38, 39 tier hollow shaft and form the cylinder bores 35.

knew that this was the case with known machines

1528533

Occurring prevention of the degree of efficiency is essentially due to the fact that the passages could not previously be formed §u a non-throttled free and steady, verlaufence ... connection between the hollow shaft and the cylinder bores. It is an essential part of the invention, as the passages are designed in such a way that the described sounds are eliminated ^. .v. of the hydraulic engine, the passages P according to the invention are axially extended and in. _o uer direction (j .. h. in U.afangsrichtun. ',) in deji at -er hole 40 lying part of the basin bent.

. As best aid au seen from Figure 3, aie Durchlüsse P are moved to aer bore 40, v / obei aie L & Ui ^ sa'bji 50 the diameter 5'1 ^(3-sr cylinder bore 30 IVEO exceeds while:) uerab .üessung 52 smaller than the diameter 5 ^ ^ s ^ Zyiinderbo ^ run; _ is. The said i ^ uerschaittsuereicxi of every office. P an aer i - oiii ^: ..Jir, 40 is preferred. slightly or about the same deu ^ ujrso.a .itt aer 'oylxier -.ohx-ui ^ y.

In lfig. 5 is aur better "-. ¹ purification a _; e body is shown, which corresponds approximately to the preferred.ι For-ü of the passages.

As best seen in Figures 1 and 5 , expand

009828/0264 -11- 'iP

, lie Jurcnlüs & e P ευ in aui V / x-ikei nacn aaien, --.ad the .-; ae £ ab_iesEun; -j uer DurcnliJ.sse pro ^ xecciv on uie ra dial inner: -i idea of the cylinder buhrucr-en i> 5 zu ver ^ o ^ lmlieh uira, as at best aas? i ;. 2 una yrs. the jbn.alüfcues £ un2 aei passages ..- ca: o ^ resoiv aaf aas radial ία iere - ^ nde aer ^ lino.er ^ olix-uaRen.-ti connec-: t, "from iiat also voruu.swci.se aer extreme ilbscnaitt u.er LarcL. ™ 1.sse circle ± 'orraige-i ^ aerscimitt una the innermost section a long, roughly elliptical formation

From what has been said in advance, it becomes clear that the development of the durciilasse on the part of the blociies adjacent to the hollow shaft; we leave ... ü's ever ^ ocii a \ vesent.Liches ..lericaial because .. · aie i) ^ax: ciili; LSSE to de_: to uer r.onivvelle adjacent Abscnnitt sion a ^ ial others w i and in ^ uerriclituug veriuinaern _} α. ή. converge axially or transversely diverge axially at pro ^ resiivly rauially outwardly running abscnxts aer i-urciil'dsse.

x; arch. c_it above oescnrie'oene arrangement Isx, es no.-.- ·,. I, to provide a g: oe number of cylinder holes, oinie aa.-: the bottom of the Gesaiatabiaessunßen must be increased, because as a result of the diminution of the dimensions of the passages in the transverse direction at ue.i section adjacent to the hollow shaft a F.ruie number uerarti; ex in ÜJiIa.i,, srichtun distributed; .ii.otjLl · .- lying pure il_.sse into the bore - + O uünuen

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can without them overlapping. In the same Way, reducing the size of the transverse passages reduces the cross-sectional area of the Passages because of the simultaneous axial extension not at the "hole.

Each of the cylinder bores contains a piston. 55j whose outer end can be hemispherical. The inner Ande is flat or to improve suction provided with a recess 58. 'The' abutment ring'26 may be provided with an annular concave raceway 59 in which the protruding portions 56 the piston during operation efcea? issue.

Preferably, in accordance with the known design, the circular section of the partition walls can be approximately equal to or slightly larger than the transverse dimension 52 of the passages at their section adjacent to the hollow shaft, the partition wall preferably being arranged in such a way that to At any given time, only one of the passages is completely blocked from the connection with chambers $ 8 and 39.

The operation of the machine corresponds to the usual in every respect and therefore does not need to be explained in more detail will. Generally when the machine is used as a motor

is used, a hydraulic pressure medium by a 009828/0264 - - ^ /

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the passages 36 or 37 in the hollow shaft, while the other of the passages with the return sump communicates. This causes the block to rotate set, and the drive shaft 32 can be connected to any device to be driven.

_{Furthermore, the eccentricity of the abutment rings £} against the rotating block can be changed in a known manner by the lateral adjustment of the housing by actuating the handwheel or some other device and thus the stroke of the piston can be influenced, whereby the torque transmitted to the output shaft and. the speed is controllable. Furthermore, the direction of rotation of the block can be reversed in a known manner by setting the eccentricity in the opposite direction.

If the machine is used as a pump, a Rotating force transmitted to the drive shaft 32 and thereby the block 29 set in rotation, whereby hydraulic Medium is sucked from a storage container into one of the lines 36 or 37 while showering the other line cias medium is requested under pressure.

From what has been said it is clear that a hydraulic Pump or hydraulic motor with essential increased efficiency is created and the inventive Machine is suitable for areas of application in which it was considered for fi & feftschaft Ii cn,

Moreover, this substantial improvement is achieved without increasing the dimensions of the device.

The embodiment shown and ■ described is is only one form of the invention and is for illustrative purposes only the invention. There are a number of variations and changes to the illustrated embodiment are possible, without leaving the basic idea of the invention will.

■ - claims -

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Claims (1)

Bat correspond f 1J hydraulic machine, like pump or LiDtor, with rotating Cylinder block, the .faschine being a cylindrical Has hollow shaft, which has recesses in a circumferential section as tJbertrittskamüiern for the print medium and the cylinder block with a Hitte! bore is rotatably mounted on the hollow shaft, the block at the recesses a greater axial length than this "Has" recesses and these recesses in this Area are covered by the cylinder block, wherein a number of radial cylinder bores iia block are also provided are, in which pistons are radially displaceable, and fluid passages between the cylinder bores and the recesses are provided on the hollow shaft, characterized in that aass the length (50) of the passages (P) on the recesses (38, 39) in the axial direction of the The hollow shaft (1-2) is larger than the width (52) of the passages (P) at the recesses (33, 39). 2 .. "" machine according to claim 1, characterized in that the length (50) of the passages (P) at the recesses (38 »39) in the axial direction of the hollow shaft (12) is greater than, the diameter (51) <ler cylinder bores (55) and the width (52) of the passages (P) at the recesses (38 * 39) smaller than the diameter (5Ό of the cylinder (35) is. 009628 / 02W --- ¹⁵ - BATH ORIGINAL 5. A machine according to one of Claims 1 or k, characterized in that the width (5-) of the passages (i ^J ) increases progressively radially outwards. 4. LIaschine according to one of the preceding claims, cl characterized in that the length (50) of the passages (P) progressively towards the cylinder mountings (55) diminishes and the width - (52) of the passages (P) itself progressively enlarged on the cylinder bores (55) z-u. 5 × machine aadurch according to one of the preceding would appeal in that the cross sectional area of the passages (P) in planes perpendicular to the axis of the cylinder bores (55) substantially the whole üoer u, the Durcäl'.sse ne constant. 6. Machine according to one of the preceding claims, characterized in that the ^, uschnittsbereicji the Passages (l · ·) in planes perpendicular to the axis of the Zj-loader bores (55) essentially over the length of the Passages .Konstant, and the cross-sectional area of Passages (P) essentially equal to the outer cut area the cylinder bores (55). 7. LIaschine according to a dex preceding claims, characterized in that the passages (i-) ■ ia one v.'s sent lent elliptical overshoot. 009828/0264 BATH ft Lee rs e i t e