EP 3808981 A1 20210421 - CONSTANT PUMP FOR USE IN CONVEYING A HYDRAULIC FLUID IN A CLOSED HYDRAULIC CIRCUIT, CLOSED HYDRAULIC CIRCUIT, CONSTRUCTION MACHINE AND METHOD FOR OPERATING A CONSTANT PUMP IN A CLOSED HYDRAULIC CIRCUIT
Title (en)
CONSTANT PUMP FOR USE IN CONVEYING A HYDRAULIC FLUID IN A CLOSED HYDRAULIC CIRCUIT, CLOSED HYDRAULIC CIRCUIT, CONSTRUCTION MACHINE AND METHOD FOR OPERATING A CONSTANT PUMP IN A CLOSED HYDRAULIC CIRCUIT
Title (de)
KONSTANTPUMPE ZUR VERWENDUNG ZUM FÖRDERN EINES HYDRAULIKFLUIDS IN EINEM GESCHLOSSENEN HYDRAULIKKREISLAUF, GESCHLOSSENER HYDRAULIKKREISLAUF, BAUMASCHINE SOWIE VERFAHREN ZUM BETRIEB EINER KONSTANTPUMPE IN EINEM GESCHLOSSENEN HYDRAULIKKREISLAUF
Title (fr)
POMPE CONSTANTE DESTINÉE À ÊTRE UTILISÉE POUR TRANSPORTER UN LIQUIDE HYDRAULIQUE DANS UN CIRCUIT HYDRAULIQUE FERMÉ, CIRCUIT HYDRAULIQUE FERMÉ, MACHINE DE CONSTRUCTION AINSI QUE PROCÉDÉ DE FONCTIONNEMENT D'UNE POMPE HYDRAULIQUE CONSTANTE DANS UN CIRCUIT FERMÉ
Publication
Application
Priority
DE 102019007277 A 20191018
Abstract (en)
[origin: CN112682305A] The present invention relates to a fixed displacement pump for use for conveying a hydraulic fluid in a closed hydraulic circuit, a closed hydraulic circuit, a construction machine and a method for operating a fixed displacement pump in a closed hydraulic circuit.
Abstract (de)
Die Erfindung betrifft eine Konstantpumpe zur Verwendung zum Fördern eines Hydraulikfluids in einem geschlossenen Hydraulikkreislauf, einen geschlossenen Hydraulikkreislauf, eine Baumaschine sowie ein Verfahren zum Betrieb einer Konstantpumpe in einem geschlossenen Hydraulickreislauf.
IPC 8 full level
F04C 2/10 (2006.01); F04C 2/18 (2006.01); F04C 11/00 (2006.01); F04C 15/00 (2006.01); F04C 15/06 (2006.01); F04C 29/00 (2006.01)
CPC (source: EP US)
F04C 2/18 (2013.01 - EP); F04C 11/00 (2013.01 - US); F04C 11/001 (2013.01 - EP US); F04C 15/0003 (2013.01 - EP); F04C 15/0019 (2013.01 - US); F04C 15/0023 (2013.01 - EP); F04C 15/0038 (2013.01 - EP); F04C 15/0046 (2013.01 - EP US); F04C 15/0088 (2013.01 - US); F04C 15/064 (2013.01 - EP); F04C 29/0028 (2013.01 - EP); F04C 2240/30 (2013.01 - US); F04C 2240/50 (2013.01 - US); F04C 2240/811 (2013.01 - US)
Citation (applicant)
DE 2307351 A1 19740822 - BOSCH GMBH ROBERT
Citation (search report)
- [XY] JP H08121351 A 19960514 - SHIMADZU CORP
- [X] DE 7001479 U 19710603 - JOH HEINR BORNEMANN & CO MASCH [DE]
- [X] DE 3879423 T2 19930624 - HITACHI LTD [JP]
- [X] EP 2180187 A2 20100428 - BOSCH GMBH ROBERT [DE]
- [X] DE 102016100959 A1 20170720 - FRISTAM PUMPEN SCHAUMBURG GMBH [DE]
- [Y] CN 109555682 A 20190402 - AECC AERO ENGINE XIAN POWER CONTROL TECH CO LTD
- [Y] DE 2555716 A1 19770616 - BOSCH GMBH ROBERT
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
EP 3808981 A1 20210421; CN 112682305 A 20210420; DE 102019007277 A1 20210422; US 2021115921 A1 20210422
DOCDB simple family (application)
EP 20000372 A 20201009; CN 202011107596 A 20201016; DE 102019007277 A 20191018; US 202017068294 A 20201012