EP 1213480 A3 20041208 - Internal gear hydraulic machine

Title (en)

Internal gear hydraulic machine

Title (de)

Hydraulische Maschine in Zahnring-Bauweise

Title (fr)

Machine hydraulique à engrenages internes

Publication

EP 1213480 A3 20041208 (DE)

Application

EP 01125325 A 19970729

Priority

DE 19630975 A 19960731
DE 19631910 A 19960807
EP 97112992 A 19970729

Abstract (en)

[origin: EP1213480A2] The hydraulic machine has a casing (2) containing a rotor (5) round which is a ring (7) with internal teeth (8) engaged with rotor teeth (6), forming working chambers between the teeth. It includes two pressure control devices (54, 54.1, 54.2, 54.3, 54.4, 54.A) which are connected in parallel and which control different pressure differences.

IPC 1-7

F04C 15/00; F04C 2/10; F04C 2/08

IPC 8 full level

F04C 2/10 (2006.01); F04C 15/00 (2006.01)

CPC (source: EP)

F04C 2/103 (2013.01); F04C 15/0026 (2013.01); F04C 15/0042 (2013.01)

Citation (search report)

[DYA] DE 4202466 A1 19930805 - VOULGARIS ANDRES [DE]
[Y] US 3724975 A 19730403 - BSCHORER K
[A] GB 1081711 A 19670831 - BOSCH GMBH ROBERT
[A] GB 516790 A 19400111 - JAMES CECIL IRVING MCCONNEL

Designated contracting state (EPC)

AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

DOCDB simple family (publication)

EP 1213480 A2 20020612; EP 1213480 A3 20041208; SI 0822333 T1 20030430

DOCDB simple family (application)

EP 01125325 A 19970729; SI 9730434 T 19970729