DE20311430U1 - Loader with two variable pumps - Google Patents

Loader with two variable pumps

Info

Publication number
DE20311430U1
DE20311430U1 DE20311430U DE20311430U DE20311430U1 DE 20311430 U1 DE20311430 U1 DE 20311430U1 DE 20311430 U DE20311430 U DE 20311430U DE 20311430 U DE20311430 U DE 20311430U DE 20311430 U1 DE20311430 U1 DE 20311430U1
Authority
DE
Germany
Prior art keywords
circuit
variable
loader
hydraulic
vehicle
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 - Lifetime
Application number
DE20311430U
Other languages
German (de)
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.)
WINDHOFF VAMMAS AIRPORT EQUIPM
Original Assignee
WINDHOFF VAMMAS AIRPORT EQUIPM
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 WINDHOFF VAMMAS AIRPORT EQUIPM filed Critical WINDHOFF VAMMAS AIRPORT EQUIPM
Priority to DE20311430U priority Critical patent/DE20311430U1/en
Publication of DE20311430U1 publication Critical patent/DE20311430U1/en
Priority to EP04762484A priority patent/EP1648772A1/en
Priority to PCT/DE2004/001634 priority patent/WO2005009841A1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/16Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • F15B11/17Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors using two or more pumps
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64FGROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
    • B64F1/00Ground or aircraft-carrier-deck installations
    • B64F1/32Ground or aircraft-carrier-deck installations for handling freight
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/20Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205Systems with pumps
    • F15B2211/20507Type of prime mover
    • F15B2211/20523Internal combustion engine
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/20Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205Systems with pumps
    • F15B2211/2053Type of pump
    • F15B2211/20546Type of pump variable capacity
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/20Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205Systems with pumps
    • F15B2211/20576Systems with pumps with multiple pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/20Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/27Directional control by means of the pressure source
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/60Circuit components or control therefor
    • F15B2211/63Electronic controllers
    • F15B2211/6303Electronic controllers using input signals
    • F15B2211/633Electronic controllers using input signals representing a state of the prime mover, e.g. torque or rotational speed
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/60Circuit components or control therefor
    • F15B2211/665Methods of control using electronic components
    • F15B2211/6652Control of the pressure source, e.g. control of the swash plate angle
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/60Circuit components or control therefor
    • F15B2211/665Methods of control using electronic components
    • F15B2211/6654Flow rate control

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (2)

1. Fahrzeug in Form einer mobilen Flugzeug-Belade-Hubbühne,
mit einem Verbrennungsmotor,
und mit einem Hydraulikkreislauf für den Fahrantrieb des Fahrzeugs
sowie mit einem Hydraulikkreislauf für eine Arbeitshydraulik, welche unter anderem zum Heben der Bühne dient,
gekennzeichnet durch
zwei hydraulische Verstellpumpen,
wobei eine Verstellpumpe dem Fahrkreislauf und die zweite Verstellpumpe dem Arbeitskreislauf zugeordnet ist,
und wobei der Fahrkreislauf als geschlossener Kreislauf aus­ gestaltet ist.
1. Vehicle in the form of a mobile aircraft loading lifting platform,
with an internal combustion engine,
and with a hydraulic circuit for driving the vehicle
as well as with a hydraulic circuit for working hydraulics, which is used, among other things, to lift the platform,
marked by
two hydraulic variable pumps,
one variable pump being assigned to the driving circuit and the second variable pump to the working circuit,
and wherein the driving circuit is designed as a closed circuit.
2. Fahrzeug nach Anspruch 1, dadurch gekennzeichnet, dass zumindest die Verstellpumpe des Fahrkreislaufs mittels einer programmierbaren Pumpensteuerung programmierbar ist.2. Vehicle according to claim 1, characterized, that at least the variable pump of the driving circuit by means of programmable pump control is.
DE20311430U 2003-07-24 2003-07-24 Loader with two variable pumps Expired - Lifetime DE20311430U1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE20311430U DE20311430U1 (en) 2003-07-24 2003-07-24 Loader with two variable pumps
EP04762484A EP1648772A1 (en) 2003-07-24 2004-07-22 Loader with two variable displacement pumps
PCT/DE2004/001634 WO2005009841A1 (en) 2003-07-24 2004-07-22 Loader with two variable displacement pumps

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE20311430U DE20311430U1 (en) 2003-07-24 2003-07-24 Loader with two variable pumps

Publications (1)

Publication Number Publication Date
DE20311430U1 true DE20311430U1 (en) 2003-10-16

Family

ID=29265660

Family Applications (1)

Application Number Title Priority Date Filing Date
DE20311430U Expired - Lifetime DE20311430U1 (en) 2003-07-24 2003-07-24 Loader with two variable pumps

Country Status (3)

Country Link
EP (1) EP1648772A1 (en)
DE (1) DE20311430U1 (en)
WO (1) WO2005009841A1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8913965D0 (en) * 1989-06-17 1989-08-09 Mallaghan Engineering Limited Load handling apparatus
DE10064326B4 (en) * 2000-12-22 2015-07-30 Linde Hydraulics Gmbh & Co. Kg Method for detecting the idling characteristic of a drive machine
US6755296B2 (en) * 2001-10-11 2004-06-29 Jack Elwell Self-propelled belt loader

Also Published As

Publication number Publication date
WO2005009841A1 (en) 2005-02-03
EP1648772A1 (en) 2006-04-26

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 20031120

R197 New subsequently filed claims on ip dossier
R150 Utility model maintained after payment of first maintenance fee after three years

Effective date: 20060613

R157 Lapse of ip right after 6 years

Effective date: 20100202

R082 Change of representative

Representative=s name: PATENTANWAELTE OLBRICHT, BUCHHOLD, KEULERTZ PA, DE