DE3517810A1 - Slow-running radial-piston machine with almost absolute smooth running - Google Patents

Slow-running radial-piston machine with almost absolute smooth running

Info

Publication number
DE3517810A1
DE3517810A1 DE19853517810 DE3517810A DE3517810A1 DE 3517810 A1 DE3517810 A1 DE 3517810A1 DE 19853517810 DE19853517810 DE 19853517810 DE 3517810 A DE3517810 A DE 3517810A DE 3517810 A1 DE3517810 A1 DE 3517810A1
Authority
DE
Germany
Prior art keywords
eccentric
spiral
section
axis
piston machine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
DE19853517810
Other languages
German (de)
Inventor
Heinrich 4939 Steinheim Pohlmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pohlmann Heinrich 4930 Detmold De
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to DE19853517810 priority Critical patent/DE3517810A1/en
Publication of DE3517810A1 publication Critical patent/DE3517810A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
    • F04B1/10—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement the cylinders being movable, e.g. rotary
    • F04B1/113—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement the cylinders being movable, e.g. rotary with actuating or actuated elements at the inner ends of the cylinders
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
    • F01B13/00—Reciprocating-piston machines or engines with rotating cylinders in order to obtain the reciprocating-piston motion
    • F01B13/04—Reciprocating-piston machines or engines with rotating cylinders in order to obtain the reciprocating-piston motion with more than one cylinder
    • F01B13/06—Reciprocating-piston machines or engines with rotating cylinders in order to obtain the reciprocating-piston motion with more than one cylinder in star arrangement
    • F01B13/061—Reciprocating-piston machines or engines with rotating cylinders in order to obtain the reciprocating-piston motion with more than one cylinder in star arrangement the connection of the pistons with the actuated or actuating element being at the outer ends of the cylinders

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
  • Hydraulic Motors (AREA)

Abstract

The object of the invention is to maintain, in radial-piston machines, a constant torque during the rotational phase, so as to be able to use such machines, in particular, as a driving machine at extremely low rotational speeds. To this end, the inner shape of the cross-section of the stator, in the case of machines having pistons radially movable in revolving cylinders, or the cross-section of the eccentric, in the case of machines having pistons movable in cylinders arranged radially to the rotating eccentric, consists of one or more similar sections of an Archimedean spiral, and the rotational axis of the rotor/eccentric is identical with the axis of this spiral. In this arrangement, the pistons, via bearings disposed at their ends, bear on the stator inner wall/eccentric outer wall when pressure is applied to the cylinders and thereby generate the torque which remains constant during the rotational phase while the pressure of the fluid remains constant.

Description

Langsamlaufende Radialkolbenmaschine mit fast absolute:Slow running radial piston machine with almost absolute:

Rundlauf Die Erfindung betriefft eine langsamlaufende Radialkolben -maschine mit fast absolutem Rundlauf.Concentricity The invention concerns a slow-running radial piston machine with almost absolute concentricity.

Radialkolbenmaschine sinQ in vielen Variationen bekannt,doch haben sie alle gemeinsam, daß, wenn niedrige Drehzahlen gewünscht sind, sie infolge ihres meistens unsymmetrischen Momentverlaufs der Drehphase, entwender nur in höheren Drehzahlen mit nachge -schalteten Getrieben oder in niedrigen nur mit mehreren Zylindern ausgestatte,betrieben werden können'was die netieos -sicherheit und den Winkungsgrad senkt und zu aufweniger Bauweise führt.Radial piston machine sinQ is known in many variations, but has they all have in common that, when low speeds are desired, they are the result of theirs mostly asymmetrical torque curve of the turning phase, only in higher ones Speeds with downstream gears or at low speeds with only several cylinders equipped, can be operated'what the netieos security and the degree of waving lowers and leads to less construction.

Aufgabe der erfindung ist, dieses Problem durch eine langsam -laufende Radialkolbenmaschine mit konstantem Drehmoment während einer Drehphase, zu lösen.The task of the invention is to solve this problem by means of a slow-running Radial piston machine with constant torque during a rotary phase to solve.

Die Lösung 'st-an Hand der Zeichnungen, bei denen Figur 1 und 3 den Quer- und Längsschnitt einer Ausführungsform mit in kreisenden Zylindern radial beweglichen Kolben,und Figur 2 und 4 den einer mit in zum rotierendem Exzenter radial angeordneten Zylindern beweglichen Kolben, zeigen, wie folgt ausgeführt: Die Lösung besteht erfindungsgemäß darin,daß bei Maschinen mit in kreisenden Zylindern (5) radial beweglichen Kolben (4) die innere Form des tuerschnitts des Stators (1),und bei Maschinen mit in zum rotierendem Exzenter (8) radial angeordneten Zylindern (o) beweglichen Kolben (7) der Querschnitt des Exzenters aus einem, oder mehreren gleichförmigen,Abschnitt(en) einer archimedischen Spirale besteht, und die Drehachse des Rotors (2)/Exzenters (8) gleich Achse dieser Spirale ist, wobei das Arbeitsmedium bei beiden maschinen während der Drehphase konstanten Druck behält.The solution is based on the drawings, in which Figures 1 and 3 show the Cross and longitudinal section of an embodiment with radially rotating cylinders movable piston, and Figures 2 and 4 the one with in the rotating eccentric radially arranged cylinders movable pistons, show executed as follows: The solution According to the invention, in machines with rotating cylinders (5) radially movable piston (4) the inner shape of the door section of the stator (1), and for machines with cylinders arranged radially in relation to the rotating eccentric (8) (o) movable piston (7) the cross section of the eccentric from one or more uniform, section (s) of an Archimedean spiral, and the axis of rotation of the rotor (2) / eccentric (8) is the same axis of this spiral, the working medium Maintains constant pressure on both machines during the turning phase.

Die Wirkungsweise der Erfindung ist folgende: Die Kolben stützen sich bei Druckbeaufschlagung derselben über an ihrem Ende angebrachte Lager (3) an der Statorinnenwand/Exzenter -außenwand ab und erzeugen dadurch einen Drehmoment.Die Abmes -sungen sind dabei so gewahlt,daß die Verminderung der wirk -samen Kraftkomponenten (Fk), die sich aus der Verminderung des Komponentenwinkels (α) bei Rotation ergibt,genau der Vergrös -serung des Hebelarmes (Ri), die sich durch das Aus/Einfahren des Kolbens ergibt, entgegenwirkt, sodaß der Drehmoment während einer Drehphase konstant bleibt. - Leerseite -The mode of operation of the invention is as follows: The pistons are supported when pressure is applied to the same via bearings (3) attached to the end of the Stator inner wall / eccentric outer wall and thereby generate a torque Dimensions are chosen so that the effective force components are reduced (Fk) resulting from the reduction of the component angle (α) during rotation results, exactly the enlargement of the lever arm (Ri), which results from the extension / retraction of the piston results, counteracts, so that the torque during a rotational phase remains constant. - blank page -

Claims (3)

Patentansprüche: Radialkolbenmaschine mit kreisenden Zylindern radia beweglichen Kolben, dadurch gekennzeichnet, daß zum Erreichen eines konstanten Drehmoments während einer Drehphase die innere For des Querschnitts des Stators aus einem, oder mehreren gleichförmigen, Abschnitt(en) einer archimedischen Spirale besteht, die Längsachse des Rotors gleich Achse der Spirale/Spiralenabschnitte ist und das Drucjmedium (kompressibel oder inkompressibel) whrend der Drehphase konstanten Druck behält.Claims: Radial piston machine with rotating cylinders radia movable piston, characterized in that to achieve a constant torque during a rotation phase, the inner shape of the cross section of the stator from a, or consists of several uniform, section (s) of an Archimedean spiral, which The longitudinal axis of the rotor is the same as the axis of the spiral / spiral sections and the pressure medium (compressible or incompressible) maintains constant pressure during the turning phase. 2. Radialkolbenmaschine mit in zum rotierenden Exzenter radial angeordnete Zylindern beweglichen Kolben, dadurch gekennzeichnet, daß zum Erreichen eines konstanten Drehmoments während einer Drehphase der Querschnitt des Exzenters aus einer, oder mehreren gleichförmingen, Abschnitt(en) einer archimedischen Spirale besteht, die Drehachse des Exzenters gleich Achse der Spirale/Spiralenabschnitte ist und das Druckmedium während der Drehphase konstanten Druck behält.2. Radial piston machine with in the rotating eccentric arranged radially Cylinders movable piston, characterized in that to achieve a constant Torque during a rotational phase, the cross-section of the eccentric from a, or consists of several uniform section (s) of an Archimedean spiral, which The axis of rotation of the eccentric is the same as the axis of the spiral / spiral sections and that Pressure medium maintains constant pressure during the rotation phase. 3. Radialkolbenmaschine nach Anspruch 1 und 2, dadurch gekennzeichnet, daß sich die Kolben über an ihrem Ende angebrachte Lager an der Statorinnen/Exzenteraußenwand abstützen und dadurch einen Drehmoment erzeugen.3. Radial piston machine according to claim 1 and 2, characterized in that that the pistons are attached to the stator inner / eccentric outer wall via bearings attached to their end support and thereby generate a torque.
DE19853517810 1985-05-17 1985-05-17 Slow-running radial-piston machine with almost absolute smooth running Withdrawn DE3517810A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19853517810 DE3517810A1 (en) 1985-05-17 1985-05-17 Slow-running radial-piston machine with almost absolute smooth running

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19853517810 DE3517810A1 (en) 1985-05-17 1985-05-17 Slow-running radial-piston machine with almost absolute smooth running

Publications (1)

Publication Number Publication Date
DE3517810A1 true DE3517810A1 (en) 1986-05-28

Family

ID=6270997

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19853517810 Withdrawn DE3517810A1 (en) 1985-05-17 1985-05-17 Slow-running radial-piston machine with almost absolute smooth running

Country Status (1)

Country Link
DE (1) DE3517810A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4850825A (en) * 1987-01-23 1989-07-25 Alfred Teves Gmbh Radial piston pump

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4850825A (en) * 1987-01-23 1989-07-25 Alfred Teves Gmbh Radial piston pump

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Legal Events

Date Code Title Description
OAV Applicant agreed to the publication of the unexamined application as to paragraph 31 lit. 2 z1
8127 New person/name/address of the applicant

Owner name: POHLMANN, HEINRICH, 4930 DETMOLD, DE

8133 Disposal/non-payment of the application fee