Global Patent Index - EP 1925823 B1

EP 1925823 B1 20160817 - External gear machine

Title (en)

External gear machine

Title (de)

Umlaufverdrängermaschine

Title (fr)

Machine à engrenages externes

Publication

EP 1925823 B1 20160817 (DE)

Application

EP 06024139 A 20061121

Priority

EP 06024139 A 20061121

Abstract (en)

[origin: EP1925823A1] A hydraulic pump or motor has a housing (1) around a first pair of gear wheels (40) in a chamber (2) and consists of a first working gear wheel (3) and a second conveying gearwheel (4). The first and second gears intermesh (41). The chamber has a fluid inlet (42) to the intermesh zone opposite an outlet (43) to the working chamber (2) near the intermesh region. The working chamber accommodates a second fluid feed gearwheel (5) forming part of a second drive. The pump has a single drive cog and a single housing.

IPC 8 full level

F04C 2/14 (2006.01)

CPC (source: EP)

F04C 2/088 (2013.01); F04C 2/14 (2013.01); F04C 2/18 (2013.01); F04C 11/001 (2013.01); F04C 2240/70 (2013.01)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

DOCDB simple family (publication)

EP 1925823 A1 20080528; EP 1925823 B1 20160817; WO 2008062023 A1 20080529

DOCDB simple family (application)

EP 06024139 A 20061121; EP 2007062657 W 20071121