DE862562C - Reversal for piston engines - Google Patents
Reversal for piston enginesInfo
- Publication number
- DE862562C DE862562C DESCH3011A DESC003011A DE862562C DE 862562 C DE862562 C DE 862562C DE SCH3011 A DESCH3011 A DE SCH3011A DE SC003011 A DESC003011 A DE SC003011A DE 862562 C DE862562 C DE 862562C
- Authority
- DE
- Germany
- Prior art keywords
- pressure medium
- reversing
- slide
- piston
- compressed air
- 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.)
- Expired
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L25/00—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means
- F01L25/02—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means by fluid means
- F01L25/04—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means by fluid means by working-fluid of machine or engine, e.g. free-piston machine
- F01L25/06—Arrangements with main and auxiliary valves, at least one of them being fluid-driven
- F01L25/063—Arrangements with main and auxiliary valves, at least one of them being fluid-driven the auxiliary valve being actuated by the working motor-piston or piston-rod
-
- 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
- F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
- F04B9/08—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid
- F04B9/12—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air
- F04B9/123—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air having only one pumping chamber
- F04B9/125—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air having only one pumping chamber reciprocating movement of the pumping member being obtained by a double-acting elastic-fluid motor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Multiple-Way Valves (AREA)
Description
Die Erfindung betrifft eine mittels Druckluft oder Dampf betriebene Kolbenmaschine, deren Arbeits- und Förderkolben direkt miteinander gekuppelt sind., und bei der die Umsteuerung in den Kolbenendstellungen mittels eines durch die Kolben betätigten Hilfsschiebers, erfolgt, der das Treibmittel zum Verschieben des, eigentlichen Umsteuerschiebers auf diesen wirken -läßt.The invention relates to a device operated by means of compressed air or steam Piston machine whose working and delivery pistons are directly coupled to one another., and in which the reversal in the piston end positions by means of a through the piston actuated auxiliary slide takes place, which is the propellant for moving the, actual Reversing spool can act on this.
Bei den bisher üblichen Umsteuerungen bereitete die. Abdichtung des Druckmittels gegenüber dem verbrauchten Schwierigkeiten, wenn der Hilfsschieber als Kolbenschieber ausgebildet war, denn es erwies sich als ungünstig, das verbrauchte Druckmittel direkt an den beiden Stirnflächen: des Hilfsschiebers. austreten zu lassen.In the previously usual reversals, the prepared. Sealing the Pressure medium compared to the difficulties consumed when the auxiliary slide was designed as a piston valve, because it turned out to be unfavorable that consumed Pressure medium directly on the two end faces: the auxiliary slide. step out to permit.
Nach der Erfindung besitzt. der Kolbenschieber besondere Austrittsnuten für das verbrauchte Druckmittel, die nach beiden Seitenhin abgedichtet sind,.According to the invention owns. the piston valve has special outlet grooves for the used pressure medium, which are sealed on both sides.
Ferner war bei den früheren Umsteuerungen entweder der Umstetterschieber als: Flachschieber ausgebildet und' wurde mittels eines Kolbenschiebers hin und her gesteuert, wenn. auf dessen Stirnflächen das Treibmittel vom Hilfsschieber aus, wirkte, oder der Umsteuerschieber war als stufenförmiger Kolbenschieber ausgebildet. Erfindungsgemäß besitzt dagegen, der Umsteuerschieber einen gleichbleibenden-Durchmesser, in dem Ringnuten für den Ein- und Austritt des Druckmittels eingedreht sind. Um ein zu heftiges Anschlagen des Kolbenschiebers gegen seine Abschluß,deckel zu verhindern, sind außerdem. Puffer angebracht.Furthermore, either the changeover slide was used in the earlier reversals as: flat slide and 'was back and forth by means of a piston valve steered forward when. the propellant from the auxiliary slide on its end faces, worked, or the reversing valve was designed as a stepped piston valve. According to the invention, however, the reversing slide has a constant diameter, are screwed into the annular grooves for the inlet and outlet of the pressure medium. Around To prevent the piston valve from hitting its end too violently, cover, are also. Buffer attached.
In. der Zeichnung ist beispielsweise eine durch Druckluft betriebene Kolbenpumpe in Bild z, 2 und 3 dargestellt.In. The drawing is, for example, powered by compressed air Piston pump shown in Fig. Z, 2 and 3.
Der Druckluftkofben a und der Pumpenkolben b sind durch ein Rohr c miteinander verbunden. Oben auf dem Luftzylinderdeckel d befindet sich das Schiebergehäuse e, welches einen Hilfsschieber f und einen Umsteuerschieber g hat. Das Schiebergehäu.sle e ,ist mit einer Büchse h versehen, die Löcher zu den einzelnen Ringkanälen i, il und i2 besitzt. In der oberen Kolbenstellung stößt. die Scheibe k auf dem Druckluftkolben a. gegen -den Bund l der Schie@berstange m und schiebt damit den Hilfsschieber f in seine oberste Stellung. Der Hilfsschieber f besitzt eine Längsnut n für die Einströmung der Druckluft und eine Nut o, in die, damit er sich nicht verdrehen kann, beispielsweise eine Halteschraube p eingreift.The compressed air cylinder a and the pump piston b are connected to one another by a tube c. On top of the air cylinder cover d is the slide housing e, which has an auxiliary slide f and a reversing slide g. The Schiebergehäu.sle e is provided with a sleeve h which has holes for the individual ring channels i, il and i2. In the upper position of the piston pushes. the disk k on the air piston a. against the collar l of the slide bar m and thus pushes the auxiliary slide f into its uppermost position. The auxiliary slide f has a longitudinal groove n for the inflow of the compressed air and a groove o into which, for example, a retaining screw p engages so that it cannot twist.
Die Druckluft tritt. in das Schiebergehäuse e in der Pfeilrichtung A ein und in .den Pfeilrichtungen B aus. Sie durchströrut den Einlaßrinä kanal i, der ein Verbindungsloch q zur Hilfsschiebernut n hat. Diese Nut n verbindet in der oberen Stellung die Bohrung r im Schiebergehäuse e mit q, so daß die Druckluft auf die rechte Seite des Umsteuerschiebers. g wirken kann. und diesen nach links verschiebt.- Die auf der linken Seite des Umsteuerschiebers g befindliche Luft kann durch die Bohrung r1 Ringnut s1 und loch t1 nach außen entweichen. An Stelle der Ringnut s1 kann auch ein Loch durch Schieber und. Schieberstange angeordnet werden.The compressed air occurs. into the valve housing e in the direction of the arrow A and out in the direction of the arrows B. You durchströrut the inlet channel i, which has a connecting hole q to the auxiliary slide groove n. In the upper position, this groove n connects the bore r in the valve housing e with q, so that the compressed air flows to the right-hand side of the reversing valve. g can work. and moves it to the left. - The air on the left side of the reversing slide g can escape to the outside through the hole r1, ring groove s1 and hole t1. Instead of the annular groove s1, a hole can also be made through slides and. Slide rod can be arranged.
Durch die Verschiebung des Umsteuersch,iebers g nach links strömt die im Einlaßkanal i befindliche Druckluft durch die Ringnut u und Bohrung v zum Innern ides Luftzylinders, wodurch der Druckluftkolben a abwärts bewegt wird. Die unter dem Druckluft'kolben a befindliche Luft kann durch das Rohr w Ringkanal il, Ringnut u1 zur Bohrung x1 ins Freie entweichen.By shifting the reversing spool g flows to the left the compressed air located in the inlet channel i through the annular groove u and bore v to the Inside the air cylinder, which moves the air piston a downwards. the Air located under the compressed air piston a can pass through the pipe w ring channel il, The ring groove u1 to the bore x1 escape into the open.
Nähert sich der Druckluftkolben a seiner unteren Stellung, dann zieht die Scheibe k den Eilfsschieber f mittel,si -der Mutter y oder eines Stellringes in .seine unterste Stellung. Die Nut ra :del# Hilfsschiebers f verbindet jetzt das Loch q mit der Bohrung r1, und die Druckluft wirft den Umsteuersc'hieber g nach rechts, so daß die Druckluft durch den linken Ringkanal il und das Rohr w unter den Druckluftkolben a-wirken kann, während die über dem Druckluftkolben a verbrauchte Druckluft durch die Bohrung v, Ringnut u, rechten Auslaßringkanal i2 und Bohrung x ins Freie entweicht. Die auf der- rechten Seite des Umsteuer schiebers g befindliche Luft kann durch die Bohrung r, Ringnut s sowie Loch t nach außen entweichen.If the compressed air piston a approaches its lower position, then pulls the washer k the auxiliary slide f middle, si -the nut y or an adjusting ring in its lowest position. The groove ra: del # auxiliary slide f now connects that Hole q with the hole r1, and the compressed air throws the reversing valve g right, so that the compressed air through the left annular channel il and the pipe w below the compressed air piston a-can act, while the consumed above the compressed air piston a Compressed air through hole v, ring groove u, right outlet ring channel i2 and hole x escapes into the open. The one on the right-hand side of the reversing spool g Air can escape to the outside through hole r, ring groove s and hole t.
Damit -der Umsteuerschieber g durch die Druckluft nicht mit Gewalt gegen die Verschlußdechel anschlägt, sind an. seinen Stirnseiten Bohrungen z für eine Pufferwirkung vorgesehen.So -the reversing spool g by the compressed air not forcibly strikes against the clasp are on. its end faces holes z for a buffer effect is provided.
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DESCH3011A DE862562C (en) | 1950-06-25 | 1950-06-25 | Reversal for piston engines |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DESCH3011A DE862562C (en) | 1950-06-25 | 1950-06-25 | Reversal for piston engines |
Publications (1)
Publication Number | Publication Date |
---|---|
DE862562C true DE862562C (en) | 1953-01-12 |
Family
ID=7423557
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DESCH3011A Expired DE862562C (en) | 1950-06-25 | 1950-06-25 | Reversal for piston engines |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE862562C (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1096680B (en) * | 1954-01-16 | 1961-01-05 | Tecalemit Ges M B H Deutsche | Pressure medium operated piston engine |
DE1225494B (en) * | 1958-04-02 | 1966-09-22 | Dunlop Rubber Co | Unit for maintaining a supply of pressurized fluid in hydraulic pressure systems |
DE1262680B (en) * | 1962-06-07 | 1968-03-07 | Harry Krueger G M B H | Reversing device for a thrust piston engine operated with gaseous pressure medium |
WO1991006761A1 (en) * | 1989-10-26 | 1991-05-16 | Aircom Aps | Piston pump |
-
1950
- 1950-06-25 DE DESCH3011A patent/DE862562C/en not_active Expired
Non-Patent Citations (1)
Title |
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None * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1096680B (en) * | 1954-01-16 | 1961-01-05 | Tecalemit Ges M B H Deutsche | Pressure medium operated piston engine |
DE1225494B (en) * | 1958-04-02 | 1966-09-22 | Dunlop Rubber Co | Unit for maintaining a supply of pressurized fluid in hydraulic pressure systems |
DE1262680B (en) * | 1962-06-07 | 1968-03-07 | Harry Krueger G M B H | Reversing device for a thrust piston engine operated with gaseous pressure medium |
WO1991006761A1 (en) * | 1989-10-26 | 1991-05-16 | Aircom Aps | Piston pump |
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