EP 0685650 A1 19951206 - External gear hydraulic device.
Title (en)
External gear hydraulic device.
Title (de)
Aussenzahnradhydraulikeinrichtung.
Title (fr)
Dispositif hydraulique à engrènement extérieur.
Publication
Application
Priority
IT MO940077 A 19940531
Abstract (en)
A gear pump, or motor (1, 1a, 1c, 1d) comprises a hollow body (2) acting as casing closed off axially at one end by a cover (4, 19) and by a flange (3, 20) at the opposite end, the hollow body (2) having a cavity (5) in the form of two opposing lobes in which are coupled rotationally pairs of driving (9, 9a, 15, 15a) and driven (10, 10a) gearwheels that mesh with each other, the said driving gearwheels (9, 9a, 15, 15a) being coupled to driving means; the casing (2) is fitted with positionable partitioning means (11) that divide the cavity (5) into at least two distinct and independent pumping chambers (13). <IMAGE>
IPC 1-7
IPC 8 full level
F04C 2/18 (2006.01); F04C 11/00 (2006.01)
CPC (source: EP)
F04C 11/001 (2013.01)
Citation (search report)
- [XY] EP 0004119 A2 19790919 - KORSE THEODORUS HENRICUS
- [Y] FR 919498 A 19470310 - PESCO PRODUCTS CO
- [PX] DE 4242217 A1 19940616 - BOSCH GMBH ROBERT [DE]
- [X] FR 2231865 A1 19741227 - KARL MARX STADT IND WERKE [DD]
- [X] US 3025796 A 19620320 - MILLER DALE O
- [X] EP 0117720 A2 19840905 - GEN ENG RADCLIFFE [GB]
- [A] GB 2057572 A 19810401 - WHITE W T, et al
- [A] EP 0151798 A1 19850821 - BOSCH GMBH ROBERT [DE]
Designated contracting state (EPC)
DE ES FR GB IT
DOCDB simple family (publication)
EP 0685650 A1 19951206; EP 0685650 B1 20000315; DE 69515555 D1 20000420; IT 1269371 B 19970326; IT MO940077 A0 19940531; IT MO940077 A1 19951201; JP H08100774 A 19960416
DOCDB simple family (application)
EP 95201391 A 19950530; DE 69515555 T 19950530; IT MO940077 A 19940531; JP 13385795 A 19950531