DE1453724A1 - Piston shoes and piston shoe guides in radial piston machines - Google Patents

Description

Applicant: Dr. Richard Breinlich FelBenkellerwee; 1 712 Bietigheim / Wuertt.

Inventor: Karl Eickmann 33-20 IeBhiki Lanagawalken, Japan.

Piston scales and piston guides in radial pistons » eafohinea.

The invention relates to radial piston chambers With preferably vertical cylinders on the rotor axis in a rotor and piston arranged in it with swiveling "piston shoes"

909819/0261

"Ί453724

The pistons run in such Hadial piston machines in their cylinders radially outward and inward and the cylinders took liquid or gas. in sieve and dispense liquid or gas from the sieve, if the machine works

Such radial piston machines are known and The pistons with pivoting piston shoes ζ · Β are also described. through my patent application B 64 · 364- and Machines with several cylinder groups in my patent = gesttoh B 6? 901 and machines with a large piston stroke in my patent search for B 68 007 · in those mentioned, yet patent applications pending review are Pistons with swiveling piston shoes of particular stability described, which are of a small construction size of radial piston machines »Furthermore, in my patentee see machines with several Groups of cylinders have been described and rotors therein, which is a particularly compact Hotorenbauart and therefore make a particularly compact radial piston machine possible The other patent application finally resulted in a radial piston machine with a particularly high piston stroke with relatively small rotor dimensions and machine dim = measurements have been described. Through these patent applications, the performance and the efficiency of radial piston motors are » have been increased and the machines mentioned have proven themselves in the Praris cut

However, it is possible _t the power in such a radial piston engine] !, ζ · Β · with L? Lu "saigkeit or FFAs driven radial piston machines, wie'hydraulischen or pneumatic pumps and / or compressors or hydraulic motors or gas engines or in internal combustion engines, further Increase πα if the piston shoes are designed accordingly

• AD 909819/0262

mm * ■ ") ^ a

The invention therefore aims at the arrangement. Ben Ko ^n? chuhzentralteilverlaeng.erung.en on the swiveling piston shoes, leadership thereby Kolbpnschuh =. is simplified and in other cases the power and / or the degree of effectiveness of the radial piston machine is taken into account for a given size or the size of the fascine can be reduced considerably further for a given power. As a result, material is saved, that is to say, processing costs are reduced, and the performance of such machines is increased even further and, if necessary, the efficiency of such machines is increased even further.

Further details are d ^ .r description, the Figures can be found in which:

Figure_l shows a longitudinal section through an exemplary embodiment represents a piston shoe according to the invention.

_? is * »in cross section through Pigur 1 along dp.r Section line II-II.

Pigur_2 is a top view of the exemplary Piston shoe of Figure 1 from above.

r ^ fi; is a view of the Kolbenschuh.ps der Fiur 1 from below.

FIG. 5 is a longitudinal section through FIG. 1 along the Section line V-V.

For; ur_6, ρ is a plan view of the figure . from above.

Figur_2_ Is a longitudinal section through an execution example of a machine rotor

8 is a cross-section through Firrnr 7 along FIG Section line VIII-VIII.

909819/0262

Figure__9 is a Laezigsechnitt through an -Äusfuehrungs = example of a radial piston machine according to the invention.

Ifeur 10 is a cross section through part of the fisur

9 along the section line X a - Xa and a cross section through part of FIG. 9 along the cutting line Xb-Xb.

■ pis-ur_ll is a longitudinal section through another -Äusfuehrun = Example of an invention sea fair EoIbensohuhes.

Figure_l? is a cross section through - ^ ismr 11 along the Section line XIIhXII.

_15 is a longitudinal section through «in wider Aus = Leadership example of an inventive piston tube

g_ is a cross-section through Fimir 13 along Cutting line

Longitudinal section through another

- ^ MiFSfuehrunesbeispiel a piston = piston shoe assembly mine according to the invention and

Figure_16 is a cross-section through ^ isrur 15 along the Section line XVI-XVI.

909819/0262

U53724

As is known from my aforementioned patent visits, is the piston swivel whale on the piston shoe central part 4- ?. "

2 and are axially spaced apart from the piston pivot roller 2 and the piston shoe guides 3 are arranged radially outside the piston pivot roller P in the piston shoe central part 4 and on the piston shoe guides

3 are the patterns piston shoe guide surfaces 5 · Bie ffxialends of the piston see guide 3 form the lateral piston shoe guide surfaces 7 and radially inward on the piston shoe guides 3 are the inner piston shoe guide surfaces 6 arranged The Kolbensnhuhsohwenkwalze P engages in corresponding Piston upper shafts of the tu-ordered piston and can swivel in it by a certain angle and is stored in it, as was the case with amines-named patent applications nt is.

According to the invention, the piston shoes with the Piston ^ chuhzentraltpilp-jfialverlaengerunKen 8 or with the piston shoe central part radial extension 9 or with the piston shoe ^ entralteilaTcialverlaengcerunRen 8 and the piston shoe ^ entralteilradialve ^ laenKerune-en 9 Mistake. To the piston guard central part radial extension = ungen 9 can the piston shoe radial continuation guide 107 be arranged, and the axial iündflaechen of Piston shoe ^ entralradialvprlaenfffirunEcen 9 form. the Kolbensnhuhzentx'alteilradialverlaen? 5erune: en 9 ere if en advantageously in corresponding radial groove P5 or 1P5 in a corresponding piston guide pin or a corresponding piston guide housing 19 a. The piston shoe guide ring can be rotating or be stationary and the piston shoe guide etehseuse 19 can also be designed to be stationary or rotating.

SAD ORDINAL

909819/0262

On the piston guide ring or piston shoe guide housing 19 can the piston shoe radial extension = Fuehrungaflaechßn P4- are located and on them can the Piston dials 107 slide.

The piston shoe central part axial extension 3 extend in a Hichtune a "* lelwaerts from the piston shoe central part and preferably have an outer piston shoe guide surface 105 and / or a lateral piston shoe guide surface 6 entralteil = arialverlaengerunp; 8 is advantageously made so narrow that it is suitable _; to be able to enter into corresponding rotor radial slots IP or to be able to move in © nt = speaking rotor radial slots IP The piston shoe ^ entT ^ lteilaTrialverlaenffernng 8 is therefore made narrower than the relevant rotor radial: slot IP is wide, thus it is suitable according to the invention to be able to enter a corresponding rotor radius slot IP. At the axially waertigfm end of the piston shoe central part axial extension 8 there is advantageously also a piston shoe = vprlaengerungsf uehruns: 103 “Between the actual piston shoe 7 known from my patent applications” and the piston shoe central part axial extension 8, a corresponding piston shoe guide P03 can be arranged and provided with corresponding tangential extensions. The piston shoe central part axial extension 8 can also be extended in a radial direction This results in a simpler processing of the piston shoe according to the invention odeT * which makes it possible that the piston shoe central part axial extension is only cast or pressed and then no longer machined.

BATH

909819/0262

The above-described according to the invention is exemplary pivotable piston shoe is detailed in Figures 1-6

shown.

The machines shown in FIGS. 7 and 8 = In principle, rotor 15 is already known from my other patent applications and there are two in it axially spaced cylinder groups in which the advantageously radially directed cylinders 16 and 17 are arranged. The cylinder 16 büée the Cylinders of one group of cylinders, while the cylinders 7 form the cylinders of the other cylinder group. The exemplary rotor has a pine äoto ^ central bore! *> from which the rotor windows 14 protrude into the relevant cylinder 16 or 17 · inch is the rotor two Rotorradialsteffe 10, on which the elongated Piston guides 116 and 117 as extensions of the Walls of the cylinders 16 and 17 are located and where the pistons are radially outward and inward during the long piston stroke. Also the rotor has the Roborwandschwaechfeechungen 18 »Wirhtie: is further, that of the Rotor is provided with Rotorr-dialschlitzen 12, which parallel to the motor axis through the blind 16 and 1? are milled through and thereby the rotor radial webs Divide 10 into one of its segments.

The mentioned rotor radial slots IP are for this »not = agile, so that the pots according to the invention se huhz en tr al = Teilaxialverlaengerungen 8 when operating the machine enter and move in it and answeraerts in it and be able to relocate inwardly desnreohpnd. The rotor = ZentralbohrunK 15 is only an example and is used for Admission of a corresponding control body. Instead of one Rotor '/. Entralbohr "ηκ can also axially on the itotor a corresponding = end i?; ylindrirnhe,! roniBche, plane or nphaerinche Steuerflaeche be arranged and the penennen Project window then to the relevant control area f

BAD OrtiöiNAL 909819/0262

Also could be in the machine rotor instead of a rudder body inlet and outlet valves be arranged.

In FIGS. 9 and 10, an exemplary radial piston machine with several cylinder fluids is shown, in which the piston shoes of FIGS. 1 to 6 and a rotor of FIGS. 7 to 8 are installed in an exemplary manner. En Mngehinen * Gehaeuse? 6 aind.die roller bearings 33 are arranged, which the shaft? 7 * ¥ spdWi, which is flexible together with the rotor 15 "is recoupled. When the machine is working as a motor, the shaft? 7 is driven by the rotor 15. In the machine housing 25 or its back cover, the control body §8 is also arranged, in which the control body channels 29 and JO and the control windows 34 and 35 are through which the fluid or gas is fed into and / or out of the machine . When the MaB-tvaine is in operation, the rotor windows 14 run over the control windows 34 and 35 and are periodically connected to a "fluid supply expensive window or a fluid discharge control window 34 and 35 during the rotor rotation, so that the fluid or the gas through the control body, whose knnnaele and control window can be guided in and out of the cylinder 16 or 17. In the example, the roller bearings 3? are also arranged, which carry the rotating support rings 43 and the piston shoe guide ring 19 is placed on the rotating support rings 43. The parts mentioned are located with the roller bearing 32 in the exemplary embodiment of the cited figures in the piston stroke adjustment device 31, by means of which the piston stroke or the eccentricity of the guide ring can be adjusted or reversed be· The masohine would then, in a known manner, be a Badial ^{piston machine 1} with a piston stroke that cannot be sent.

909 819/0262

■ '/ ■ ■. 9 - ·

'. * uoh can the Waelslsger 3? and the rotating. Support rings 43 and the piston guide 19 are omitted and the housing 26 is designed directly as a piston shoe guide housing. In such a pail the relevant piston shoe guide bottles? O or 21 or 22 or 23 or 24 or individual ones would be arranged directly on the housing PS and the piston shoes slide directly on the mentioned guide surfaces of the stationary housing? rotatably arranged together with the support rings 43 in the roller bearings 32, whereby friction between the piston shoes and the piston shoe guide ring 19 is generated Hingnuten 25 and 125 - "* · ** · * according to the invention, the rotor radial webs 10 partially during the operation of the Masohlne" 4 ". As a result, the piston stroke can be lengthened according to the invention

During one of my previous searches for fatigue between the pistons of the different cylinder groups special uehrungsringe * er Puehrune: the piston is arranged were and the piston shoe in axial alignment just like that ktirs were that they were not through the neighboring Cylinder group extending therethrough in the axial direction, according to the invention the piston shoe extend axially » ver la narrowing en 8 in the axial direction through the other Cylinder group hinduroh and are axially, lens β its the other twin group concerned by means of their Piston shoe extension guides 103 guided In accordance with the invention, the piston sleeves extend in part axial extensions 8 of the piston strokes of the cylinders 17 through the cylinder group 16 and the pistons * sohuhjientralteilachsialverlingerungen 8 of the piston shoes of the cylinder group 16 extend through the cylinders * group 17 hinduoh

• AD

909819/0262

The XolhfingchHhsantrslteilachqiaiverl-iangerunecen 8 of the ZolbenscLnhe of the cylinder group 17 also inventive in the relevant Rotorraiialschliti " IW of the ZvI Indergruppe 16, while the piston shells in the cylinder group in the heat 12 of the cylinder group 1? enter when the machine is working, with the rotor 15 rotating, there is no need for a drive between the respective piston guide ring or piston housing 19 and the rotor 15. Due to this described disorder according to the invention of the piston shoe centraiteilachsialverliftßerungen 8 and their occurrence in the mentioned: ·! EbtorrsdinlseMltze IP two significant advantages are achieved. On the one hand, the fact that the piston shoe central parts chaialveruns; en 8 can enter the relevant Hotorradialschlitse IP and also that the length of the Weims * radial web segments 10 in the relevant R ^ rS ia Ir in grooves 25 and 1P5 of the piston qchnhfuehrun ^ srinff ^ s or Kolbenschn.h «.

19 can occur, an extraordinary piston stroke is achieved and, furthermore, it is possible to thin the two cylinder groups 16 and 17 relative to the motor axis with a relatively small axial distance from one another. erzieb.lt machine with several Zvlindergruppen and simultaneously a obtruded in erialer ^fi ichtun "particularly ge = construction of such machines is achieved · D" rueber addition, Lei 3 is increased tune · dee of the machine due to large en piston stroke, and thereby also the efficiency ver " improves, while at the same time lighter guide rings and housings and, at the same time, more stable guide rings or piston shoe guide rings or piston shoe guide housings 19 are realized due to the construction, which is bulged in the axial direction.

BATH

909819/0262

Dae leads to a significant increase in performance in radial " koleenBasohinen and at the same time to the cheaper such machines.

You can also piston shoes according to the invention additionally with KoTfcen ^ chuhzentralteilradlalverlaengerungen 9 be auagerueetet and the Kolbenscänhzentr In part radial · Extensions 9 can be inserted into the relevant radial ring groove ? 5 or 1? 5 of the piston shoe guide ring or Engage Kolbensohuhfuehrungagehaeuses 19 and the Piston screw radial extension guides 107 can be in or on corresponding piston shoe radial extension guides 2t the equilateral 4ie walls of the radial ring grooves 25 or being able to be guided. If those Puehrung is available, which can otherwise be refused Aeitliohen Kolbensohuhfuehrungsflaechen 7 can be saved.

On the other hand, if the piston shoe central part is radial Terlaenccerungen 9 not available. are because these are not absolutely must be arranged, it is advantageous the piston shoes in the known way with the piston shoe guide flaefflien on the side? on the piston shoe guides X and also the piston shoe guide units 3 through the corresponding inner piston shoe guide surfaces 6 radialT outward to guide. In a familiar way dlα inner piston shoe guide surfaces 6 to corresponding Kolbenschuhfuehrunsceflaechen 21 radially still auewaerta guided · The lateral piston shoe guide » surfaces * 7 are attached to the corresponding piston shoe guide » areas 22 guided and the outer piston shoe guide area 5 is attached to the corresponding piston guiding fl ^ qli » surface 20 dea Eolbenehuhfaenrungsrliiges orer of the piston • chuhfuemngegehaeuees 19 guided and the mentioned part « dea piston conhe · slide relative to those mentioned Guide surfaces or on the named guide surfaces

909819/0262

U53724

InventionKemeee "? /? can, however, also be arranged at the lateral base ⁹ on the FolbensohuHierlaenirerunsrsfVf 105 and on the piston cross-extension base b-mng 10? can further- aen; our KoIb one chuhfu ^ hruncrs surfaces 5 and inner Kolbenschnhfuehrunp. ^ fleechen ^. inventi ^ ersgemaease are located. The inner Ko Ib en se hub.-fpehrungsflaechen θ on the inventive piston ** sohubverlaengerunrrsf uehrung 1O ³ J are then honored in corresponding piston shoe lo ^ ngerungsfuehrungsflaecnen ? "*> Or P2 or 20 ε? Ef υ.

In the present exemplary embodiment of a radial piston machine, the piston displacement surfaces form ? 1 , while the piston displacement surface for the

one"
Kolbenschuhegvlindere: rTip while at the same time = the piston shoe extension guide surfaces 23 of the Kolbenschnhverlaeneeraagffuehrune; 10? the other piston shoes in question d ^ r forms the other cylinder group.

Finally, in the example of a guide tower in FIGS. 9 and 10 of an exemplary radial piston machine according to the invention, the piston channel 39 is shown in the leather of the respective piston 11 and it is thereby demonstrated how liquid or gas from the respective cylinder 16 or 17 passes through the piston channel 39 the piston 11 can get through into the respective inner piston shoe balancing recess 38. From the inner piston shaft balancing recess 38, the above-mentioned fluid or gas enters the piston shaft 1 through the piston shoe channel 50 and branches out of the piston shoe channel 40 into the piston back channel from two tunos 41 and M-? . Piston shoe balancing recesses 56 and 37 open into the corresponding inventive dimensions, and the gas or liquid from the relevant cylinder 16 or 17 is led into them. The piston shoe balancing recesses 36 and 37 are aligned at a distance from the invented piston shoe central part and are arranged by the relevant one

909819/0262 »Au u ^. ^ L

Guide surface? 0 or part of the piston guide guide rinses or piston guide housing 19 closed · The piston shoe balancing openings 36 and Ύ? serve to completely or partially balance the forces acting radially towards the inside of the cylinder in question, and they serve either or they can serve to divert the outer piston guide shaft 5 and the adjacent piston Provide the shoe guide area 2.0 with lubricant % xx

Particular attention is paid to the fact that in this embodiment rotors IS of the ¹ yr and 8 are installed and that a special feature of the rotor of FIGS. 7 and 8 is that the cylinders 17 of the other cylinder groups are open are arranged between the cylinders 16 of the first cylinder size? or in other words ·· that _; if one looks at the rotor 15 in the axial direction, the cylinders of one cylinder group are arranged between and behind or in front of the cylinders of the other cylinder group. !! «through is achieved; that the piston thrust measured according to the invention in the central part of the axial extensions 8 when they enter the relevant motorcycle radial strand IP of the other cylinder group do not interfere with the movement of the piston 11 and the piston shoes 1 of the other cylinder groups.

In the exemplary embodiment of FIGS. 11 and 12 is finally shown that instead of the piston pc hwenk " roller 2 also piston shoe ball heads 1OP or piston shoe = schwenkkuiieln 10 ?. pivotable on the invention pemaeasen Piston thrust can be arranged.

Through the figures 13 and 14 is demonstration rt that the looser piston shoe guide surface 5 also can be directed radially inward, and can assume the shape of part of a zvlindriechen inner surface.

BATH

909819/0262

Do "fj:.,. C Ur- '-1.Le correspond to? Wie .-, d"? Ι- ·: ιώ- · .ι • 'olberitc'iuh.i' - '^'Do's. ^ L ^^ o'en 6 pe form ^: ,,. -Mc.se Vjgfn ^ b unrsa ^ t <= ύη ^Λ : "r ^ i'id" ^ ror> - ■ iesa ^ n ZcI b ^; _; ; - ·. ■ -. · Litdic · - "· is b: 'sü"!: ". S for · £ olo.be i * ^: .-.] DcGl ^ en ^ a ^ e''-■' θ '' · occurred "in which DEA ^{'A o:.:} cv * r. ^ u au.ssprJjal'r '· ·'"i''d■■?" *! schöbe anfrerrd n ^ t ΐ; -; Ί and b.-λ dc ^rc -n die ^r c ^; ) as ;: "'Ί; i.cb ans ^ erbelb d <■ -".' ·! rJolbr .-- -. bune 1 brfinc ■ · ■ ..,

14- pirid rleshl.-ib sr * :: I '"""'" ^ r; fner «olnr: .e" 5ad '! aikoIben- = mar.chire Keeie;.; iet, at whose pich the Z ^ lind ^ r in piner. sta ticna e ran radi - ^ - au3- ^r isr'; s ange ^ rr ^ ·; * ϊ.ι G-haeus3f3 b '-' fmäe-i and the x'olberi ^ chiüie dircr <■ .'_ £ <■■■■ τ n-l ' ^: · η 1 innerbnlb des c'- .iannter. ^ sh. & e ~ i "e enseorderer. K \. r-oelwel "e or ^ r one

LAzcnir s ftntprip ~ -chendf..r 4 &&& b & * £ r-.rrretr ^ even - <~ \? Ci ^ r, ¹ Because machines "·! '.

radial ^ u ss he half iar Kolb ^ n ^ cLuhe ^ - "c: ■ -. d leten i'vlir.co.rr. in ^ nto ^ renhend ^ ri ^ rtoren or statir n ... e:; · e .- _; G to them ¹ -, beka / a ^ t; sinr ^ can be sieved on dere.nd: - jp, .. ^; "..» e. \ '- te n ^ n.

In the ^ isu ^ en 15 ¹ Tn (I 16 ist schliss:.? - · I dareest ^ l-. X like inventionsKemeess in Girier · Ztu'- r η Ib ο hm η er 4-6 des KoI ir «.a «11 a erfindunprs ^ emaessev piston shaft on ^ i a erfindur- £ tgemaessepi KolbenrObr 4 ^ t- gneeendet p. ~ Ir k" nn, the -er "f indungsKemaeet * engages in the inner KolbenachuiibalnncisrunffSHUsnahmune ^ 8 d ^ r Eolbenschublcciiwenkwfl ispiel der ϊΊςπτβΐι is äie. intere piston =

^ 8 with -nosDreChenden

45 provided that are attached to the one
Wandsne-en od * =: r an-ö4 »Tftil the /, '/ andaneen of the piston ring 44 are guided. The Knibensrohr 44 is secured against falling out of the piston 11 in the piston ring groove 47 in the execution example by means of ümboerdelunff or ^ 'iTipressunc. The advantage of this arrangement is that the Kolnenrohr 44 (due to its sliding or swiner Fiiehrung to the SohwenkwalKenfuehrunfsflaecben 45, the Schwenkwalzfi fuebrt P and secures the piston shoe 1 against Hersaesfallen from the flask. 11

909819/0262

- ¹⁵ - U53724

The invention is of course not limited to the exemplary embodiments. Rather, it is limited by the following claims

909819/0262

Claims (1)

Claim Radial piston machine with preferably to the rotor axis vertical cylinders (16, 17) in a potor (15) and piston CLl) arranged therein with pivotable piston shoes (1) characterized, that the piston shoes (1) with piston shoe. longer (8,9) are provided. 2112 * L Radial piston machine according to claim 1 or with several cylinder groups (16, 17), preferably perpendicular to the rotor axis and axially spaced apart from one another relative to the rotor axis, in a machine rotor (15) and pistons (11) arranged therein with pivotable piston shoes (1) and thereby characterized in that the Kolbneschuhe (K) are provided with Eolbenschuh ^ entralteilradialwr (9). • AD 909819/0262 Radial piston machine according to patent claim 1 with in several cylinder groups that are preferably perpendicular to the rotor axis and axially spaced from one another relative to the eotor axis (16,17) with cylinders (16,17) arranged on a gap in a machine rotor provided with radial slots (12) (15) and piston shoes (1) and oezylllierenden therein characterized, that the KolbAnschuh (1) with the relevant Rotor radial slot (l? Ö between piston 511) or others Zvlinder groups (16 or 17) protruding beyond the other cylinder group (16, 17) if necessary additionally guided piston cutting center ^ ilaxially = extensions (8) are provided Radial piston machine according to at least one of the patents » claims and characterized. dans which are mounted piston shoes (/) with Sc ^ wenkkugeln (/ ") in a Kugelteilfoermugen vices ^ J in the piston <f nchwenk" capable · Claim ^ Radial piston machine according to at least one of the patent claims and characterized by that the Kolnenschuh7 «» ntralstegrndia _v lverlaengerunffen (9) are provided with piston aenuhradialfortsfltzfuehnmgen (107). IAD 909819/0262 Radial piston machine according to at least ijinei of the patent claims, and characterized in that in one the piston shoes (1) guide piston ^ e in the ^v > fuehrunesrin / r (19) or ststionqemn od ^ "rotating nRchuhfuehruncecrehaeiise (19) several τ> · ciialrinfcnutea »1 ^ 5) and mphrer ^ or pine through the Padialringnuten, tet -'- iltf ⁵ F ^ lben ^ nhijbfnehruneRflneche or Kolbenschi'h = Fuehruns ^ surfaces are (" O) nnpnp. are . Claim ^? Radial piston machine according to at least one of the address and characterized in that motorcycle webs (10) or dR.ren o'eamente in the above i? Pdialrina: grooves (. ^ 5,1 ^ 5) at least partially "protrude" or heieinraeen can · ^fc Rfldialkolbeninmaschine according to at least one of the Pstentansprue marriage and characterized by that KolbRnschuhachflialverlaenKerungsfuehruncgflaechen (2 * J are arranged in the machine Radial piston machine according to at least one of the patent = Claims and characterized in that Kolbenschuhradialfortsatzfuehrune: sf 1 aecben are arranged in the machine. “AD 909819/0262 Patgntansgruc>; _ 10 Radial piston machine according to at least one of the patent claims and characterized in that dflss the piston shoe centralstpgachsialverlaengerungenuO of one cylinder group are directed opposite to those of the other cylinder group. ί j: Radial piston machine according to at least one of the patent = Claims and characterized in that the piston shoes with the piston shoe centrally step; = radial extensions (9) distanced in the outer Kolbenschuhfuehrungafalaeche (5) arranged piston shoe balancing inKsausnehmunsen (36, 37) are sunk. Radial piston machine according to at least one of the ^ atent = Claims and characterized in that piston shoe channel connections (41, 4P), if necessary through a piston channel (39) an inner Kothbensbhuhbaln = cation recess (38) and a piston shoe channel (40) as a communication link between the named Piston valve balancing receptacles (36,37) and the associated cylinder (16,17) are arranged. Claim 13 Radial piston machine according to at least one of the patent = Claims and characterized in that the other piston shoe guide surface (5) is radial is directed inward and the piston (11) radially out = raerts des Folbenschnbes 5 11) is arranged. 909819/0262 Radial piston machine according to at least one of the patent = q ^ pprueche and characterized d.3RS in the piston (11). a piston shaft or a piston tube (44) is arranged, d «s in the piston ^ (P) engages and / or on swivel roller fne ⁷ (45) of the piston tube (1) five-end or holding, arranged is. IAD 909819/0 2 6