DE1031650B - Hydraulic system for motor vehicles, especially tugs - Google Patents

Hydraulic system for motor vehicles, especially tugs

Info

Publication number
DE1031650B
DE1031650B DEA26848A DEA0026848A DE1031650B DE 1031650 B DE1031650 B DE 1031650B DE A26848 A DEA26848 A DE A26848A DE A0026848 A DEA0026848 A DE A0026848A DE 1031650 B DE1031650 B DE 1031650B
Authority
DE
Germany
Prior art keywords
pressure
hydraulic system
motor vehicles
return line
tugs
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.)
Pending
Application number
DEA26848A
Other languages
German (de)
Inventor
Dipl-Ing Wolfgang Huetter
Dipl-Ing Kaspar Ritter
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.)
Allgaier Werke GmbH and Co KG
Original Assignee
Allgaier Werke GmbH and Co KG
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
Priority to DEA24400A priority Critical patent/DE1022917B/en
Application filed by Allgaier Werke GmbH and Co KG filed Critical Allgaier Werke GmbH and Co KG
Priority to DEA26848A priority patent/DE1031650B/en
Priority claimed from DEA27140A external-priority patent/DE1115598B/en
Priority to CH5285457A priority patent/CH362927A/en
Publication of DE1031650B publication Critical patent/DE1031650B/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B63/00—Lifting or adjusting devices or arrangements for agricultural machines or implements
    • A01B63/02—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors
    • A01B63/10—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors operated by hydraulic or pneumatic means
    • A01B63/1006—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors operated by hydraulic or pneumatic means the hydraulic or pneumatic means structurally belonging to the tractor
    • A01B63/1013—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors operated by hydraulic or pneumatic means the hydraulic or pneumatic means structurally belonging to the tractor and being located inside the tractor body
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
    • B60K17/10—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of fluid gearing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
    • B60T13/12—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being liquid
    • B60T13/16—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being liquid using pumps directly, i.e. without interposition of accumulators or reservoirs
    • B60T13/18—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being liquid using pumps directly, i.e. without interposition of accumulators or reservoirs with control of pump output delivery, e.g. by distributor valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
    • F15B1/02—Installations or systems with accumulators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/21—Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge
    • F15B2211/212—Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge the pressure sources being accumulators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/3056—Assemblies of multiple valves
    • F15B2211/30585—Assemblies of multiple valves having a single valve for multiple output members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/50—Pressure control
    • F15B2211/505—Pressure control characterised by the type of pressure control means
    • F15B2211/50509—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means
    • F15B2211/50518—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using pressure relief valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/50—Pressure control
    • F15B2211/515—Pressure control characterised by the connections of the pressure control means in the circuit
    • F15B2211/5153—Pressure control characterised by the connections of the pressure control means in the circuit being connected to an output member and a directional control valve
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
    • F15B2211/7051—Linear output members
    • F15B2211/7052—Single-acting output members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
    • F15B2211/7058—Rotary output members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Transportation (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Control Of Fluid Gearings (AREA)
  • Control Of Transmission Device (AREA)

Description

Die Erfindung erstreckt sich auf eine weitere Ausgestaltung der in der Patentanmeldung A 24 400 II/63 c beschriebenen hydraulischen Anlage für Kraftfahrzeuge, insbesondere Schlepper, die aus einer vom Fahrzeugmotor angetriebenen Druckpumpe und mindestens einer auf einen, hohen, Druck bemessenen Arbeitsvorrichtung in Form eines Arbeitszylinders und bzw. oder Flüssigkeitsmotors besteht. Durch die Einschaltung eines Überdruckventils in die Rücklaufleitung für die Flüssigkeit von den Arbeitsvorrichtungen zum Oelsumpf ist bei derartigen hydraulischen Anlagen die Möglichkeit geschaffen worden, mit der gleichen Druckpumpe, die zur Erzeugung des nur zeitweilig erforderlichen hohen Drucks zum Betätigen der Arbeitsvorrichtungen dient, auch den während der gesamten Betriebszeit des Kraftfahrzeuges ständig benötigten geringen Überdruck im Innenraum eines an die hydraulische Anlage angeschlossenen an sich bekannten stufenlos regelbaren Flüssigkeitsgetriebes aufrechtzuerhalten. Um auch während der an sich nur verhältnismäßig kurzen Füllzeiten eines Hochdruck-Arbeitszylinders jeden Druckabfall in der während dieser Zeit von der Zuleitung getrennten Rücklaufleitung und damit auch im Innenraum des an diese angeschlossenen Flüssigkeitsgetriebes zu \-erhindern, ist nach der Hauptpatentanmeldung vorgesehen,, einen besonderen, an sich bekannten Druckspeicher an die Rücklaufleitung anzuschließen.The invention extends to a further embodiment of the patent application A 24 400 II / 63 c described hydraulic system for Motor vehicles, in particular tractors, consisting of a pressure pump driven by the vehicle engine and at least one rated for high pressure There is a working device in the form of a working cylinder and / or liquid motor. By switching on a pressure relief valve in the return line for the liquid from the working devices The possibility is created for the oil sump in such hydraulic systems been, with the same pressure pump that is used to generate the only temporarily required high Pressure is used to operate the work devices, even during the entire operating time of the motor vehicle constantly required low overpressure in the interior of the hydraulic System connected to maintain continuously variable fluid transmission known per se. To even during the relatively short filling times of a high-pressure working cylinder any pressure drop in the return line, which is separated from the supply line during this time, and thus to \ -hinder also in the interior of the fluid transmission connected to this, is according to the Main patent application provided, a special, known pressure accumulator to the return line to connect.

Aufgal>e der Erfindung ist es, das zuverlässige Arbeiten der hydraulischen Anlage gemäß der Hauptpatentanmeldung gegebenenfalls auch ohne einen solchen, einen Mehraufwand in der Fertigung und Unterhaltung erfordernden Druckspeicher unabhängig von der Benutzungshäufigkeit und -dauer der den hohen. Flüssigkeitsdruck benötigenden Arbeitsvorrichtungen sicherzustellen. Diese Aufgabe ist erfin.dungsgemäß dadurch gelöst, da.ß auch die Rückseite des oder der Kolben der Arbeitsvorrichtung bzw. Arbeitsvorrichtungen an einen mit dem Druckmittel gefüllten Raum grenzt, der ebenso wie die Rücklaufleitung etwaiger Flüssigkeitsmotoren ständig mit der unter geringem Überdruck gehaltenen Rücklaufleitung verbunden ist. Durch diese Ausgestaltung wird erreicht, daß auch während der Beaufschlagungszeiten eines +5 Arbeitszylinders und bzw. oder Flüssigkeitsmotors mit dem unter hohem Druck direkt von der Pumpe zugeführten Druckmittel eine gleich große Flüssigkeitsmenge unter dem niedrigeren, durch das Überdruckventil in der Rücklaufleitung bestimmten. Druck von dem Arbeitskolben verdrängt wird. Der Druck und die Menge des dem Flüssigkeitsgetriebe zugeführten Druckmittels bleiben bei dieser Anordnung also stets mit Sicherheit konstant.It is due to the invention, the reliable operation of the hydraulic system according to the main patent application possibly even without such a pressure accumulator, which requires additional expenditure in production and maintenance on the frequency and duration of use of the high ones. Working devices that require fluid pressure to ensure. This object is achieved according to the invention in that the rear side of the or the piston of the working device or working devices to one filled with the pressure medium Space borders, which, like the return line of any liquid motors, is constantly with the below low pressure maintained return line is connected. This design achieves that also during the loading times of a +5 working cylinder and / or liquid motor with the pressure medium supplied directly from the pump under high pressure, an equal amount of liquid below the lower one determined by the pressure relief valve in the return line. pressure is displaced by the working piston. The pressure and the amount of fluid supplied to the fluid transmission With this arrangement, the pressure medium always remains constant with certainty.

Hydraulische Anlage für Kraftfahrzeuge, insbesondere SchlepperHydraulic systems for motor vehicles, in particular tugs

Zusatz zur Patentanmeldung A 2440011/631C
(Auslegeschrift 1 022 917)Addition to patent application A 2440011/63 1 C
(Interpretation document 1 022 917)

Anmelder:Applicant:

Allgaier-Werke G.m.b.H.,
Uhingen (Württ.)Allgaier-Werke GmbH,
Uhingen (Württ.)

Dipl.-Ing. Kaspar Ritter, Kirchheim (Teck),Dipl.-Ing. Kaspar Ritter, Kirchheim (Teck),

und Dipl.-Ing. Wolfgang Hütter, Bezgenrieth (Württ.),and Dipl.-Ing. Wolfgang Hütter, Bezgenrieth (Württ.),

sind als Erfinder genannt wordenhave been named as inventors

Im folgenden ist ein Ausführungsbeispiel der Erfindung an Hand der Zeichnung in Form eines Schaltbildes näher erläutert.The following is an embodiment of the invention with reference to the drawing in the form of a circuit diagram explained in more detail.

Unter Verwendung der gleichen Bezugszeichen wie in der Beschreibung der Hauptpatentanmeldung bezeichnet 1 eine z. B. über ein Ritzel 2 von einem Schleppermotor angetriebene Druckpumpe, die durch eine Saugleitung 3 das flüssige Druckmittel aus einem Sumpf 4 ansaugt und in eine Druckleitung 5 fördert. In der Druckleitung 5 ist ein Steuerschieber 6 angeordnet, durch dessen Verschwenken aus der in der Zeichnung dargestellten Neutralstellung entgegen dem Uhrzeigersinn das Druckmittel entweder einem Arbeitszylinder 7 oder einem Druckflüssigkeitsmotor 8 zugeführt werden kann. Bei der eingezeichneten Neutralstellung des Steuerschiebers 6 fließt das Druckmittel durch den Kanal 9 des Schiebers 6 und die Rücklauf leitung 10 in den Sumpf 4 zurück. Durch Einschalten von Überdruckventilenil und 12 in die Rücklauf leitung 10 bzw. die Zuleitung 13 zum Arbeitszylinder 7 wird in, der Rücklauf leitung 10 ständig ein geringer, durch die Vorspannung der Ventilfeder regelbarer Überdruck aufrechterhalten, der für den Betrieb eines an sich bekannten über eine Zweigleitung 14 angeschlossenen stufenlos regelbaren Flüssigkeitsgetriebes 15 für den Fahrzeugantrieb im Innenraum des Getriebes benötigt wird. Während der Arbeitszylinder 7 nach der Hauptpatentanmeldung auf einer Seite offen, ist, grenzt der KoI-Identified using the same reference numerals as in the description of the main patent application 1 a z. B. via a pinion 2 driven by a tractor engine pressure pump through a suction line 3 sucks the liquid pressure medium from a sump 4 and conveys it into a pressure line 5. In the pressure line 5, a control slide 6 is arranged, by pivoting it from the in the Drawing shown neutral position counterclockwise the pressure medium either one Working cylinder 7 or a hydraulic fluid motor 8 can be supplied. In the case of the In the neutral position of the control slide 6, the pressure medium flows through the channel 9 of the slide 6 and the return line 10 in the sump 4 back. By switching on the pressure relief valve and 12 in the Return line 10 or the feed line 13 to the working cylinder 7 is in the return line 10 constantly maintain a low overpressure that can be regulated by the preload of the valve spring, that for the operation of a known per se connected via a branch line 14 continuously variable Fluid transmission 15 is required for the vehicle drive in the interior of the transmission. While the working cylinder 7 is open on one side according to the main patent application, the KoI-

809 529/295809 529/295

ben 18 nunmehr mit seiner Rückseite an einen geschlossenen und während des Betriebes ebenfalls mit dem Druckmittel angefüllten Raum 19, der durch eine Leitung 20 ständig mit der Rücklaufleitung 10 in Verbindung steht, so daß auch während der Füllzeiten des Zylinders 7 mit unter hohem Druck stehender Flüssigkeit der Druck in der Rücklaufleitung 10 durch das vom Kolben 18 aus dem Raum 19 verdrängte Druckmittel stets auf gleicher Höhe gehalten wird. Selbstverständlich kann auch bei der ernndungsgemäßen hydraulischen Anlage noch zusätzlich ein Druckspeicher an die Rücklaufleitung angeschlossen werden, um auch während der Umschaltzeiten, desben 18 now with its back to a closed and also with during operation the pressure medium-filled space 19, which is constantly connected to the return line 10 through a line 20 is in connection, so that even during the filling times of the cylinder 7 with the liquid under high pressure, the pressure in the return line 10 always kept at the same level by the pressure medium displaced from the space 19 by the piston 18 will. Of course, in the hydraulic system according to the invention, an additional Pressure accumulator can be connected to the return line to ensure that the

Steuerschiebers 6 alle kurzfristigen Druckschwankungen, zu verhindern.Control slide 6 to prevent all short-term pressure fluctuations.

Claims (1)

PATENTANSPRUCH:PATENT CLAIM: Hydraulische Anlage für Kraftfahrzeuge, insbesondere Schlepper, nach Patentanmeldung A 24400 II/63 c, dadurch gekennzeichnet, daß die Rückseite des oder d,er Kolben (18) der Arbeitsvorrichtung (7) bzw. Arbeitsvorrichtungen an einen mit dem Druckmittel gefüllten Raum (19) grenzt, der ständig mit der unter geringem Überdruck stehenden Rücklauf leitung (10) verbunden ist.Hydraulic system for motor vehicles, especially tractors, according to patent application A 24400 II / 63 c, characterized in that the Back of the or d, he piston (18) of the working device (7) or working devices a filled with the pressure medium space (19) borders, which is constantly with the under low Excess pressure is connected to the return line (10). Hierzu 1 Blatt Zeichnungen1 sheet of drawings © 809 529/295 5.58© 809 529/295 5.58
DEA26848A 1956-03-01 1957-03-29 Hydraulic system for motor vehicles, especially tugs Pending DE1031650B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DEA24400A DE1022917B (en) 1956-03-01 1956-03-01 Hydraulic system for motor vehicles, especially tugs
DEA26848A DE1031650B (en) 1956-03-01 1957-03-29 Hydraulic system for motor vehicles, especially tugs
CH5285457A CH362927A (en) 1957-03-29 1957-11-20 Hydraulic actuation system on motor vehicles, in particular tractors

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DEA24400A DE1022917B (en) 1956-03-01 1956-03-01 Hydraulic system for motor vehicles, especially tugs
DEA26848A DE1031650B (en) 1956-03-01 1957-03-29 Hydraulic system for motor vehicles, especially tugs
DEA27140A DE1115598B (en) 1957-05-14 1957-05-14 Hydraulic system for motor vehicles, especially tugs

Publications (1)

Publication Number Publication Date
DE1031650B true DE1031650B (en) 1958-06-04

Family

ID=27738726

Family Applications (2)

Application Number Title Priority Date Filing Date
DEA24400A Pending DE1022917B (en) 1956-03-01 1956-03-01 Hydraulic system for motor vehicles, especially tugs
DEA26848A Pending DE1031650B (en) 1956-03-01 1957-03-29 Hydraulic system for motor vehicles, especially tugs

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DEA24400A Pending DE1022917B (en) 1956-03-01 1956-03-01 Hydraulic system for motor vehicles, especially tugs

Country Status (1)

Country Link
DE (2) DE1022917B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1084150B (en) * 1959-02-07 1960-06-23 Teves Kg Alfred Hydrostatic transmission for motor vehicles
DE1130301B (en) * 1959-09-08 1962-05-24 Linde Eismasch Ag Hydrostatic transmission for a vehicle
DE1135774B (en) * 1960-03-26 1962-08-30 Kloeckner Humboldt Deutz Ag Gearbox for agricultural tractors with an adjustable hydrostatic gearbox

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1171276B (en) * 1960-08-27 1964-05-27 Kopat Ges Fuer Konstruktion Vehicle transmissions, in particular for agricultural tractors in device carrier design
WO2018046076A1 (en) * 2016-09-06 2018-03-15 Gkn Automotive Ltd. System for the hydraulic control of an axle drive unit of a motor vehicle and hydraulic control valve and method for the control thereof

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE680810C (en) * 1936-02-18 1939-09-07 Teves Kg Alfred Piston pump
DE737698C (en) * 1941-03-29 1943-07-26 Pittler Werkzeugmaschinenfabri Control for adjustable fluid transmission with a pump part and several motor parts

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1084150B (en) * 1959-02-07 1960-06-23 Teves Kg Alfred Hydrostatic transmission for motor vehicles
DE1130301B (en) * 1959-09-08 1962-05-24 Linde Eismasch Ag Hydrostatic transmission for a vehicle
DE1135774B (en) * 1960-03-26 1962-08-30 Kloeckner Humboldt Deutz Ag Gearbox for agricultural tractors with an adjustable hydrostatic gearbox

Also Published As

Publication number Publication date
DE1022917B (en) 1958-01-16

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