Global Patent Index - EP 1327778 A3

EP 1327778 A3 20030723 - Vane pump

Title (en)

Vane pump

Title (de)

Flügelzellenpumpe

Title (fr)

Pompe à palettes

Publication

EP 1327778 A3 20030723 (DE)

Application

EP 03008524 A 20010227

Priority

  • DE 10012406 A 20000315
  • DE 20018958 U 20001107
  • EP 01104428 A 20010227

Abstract (en)

[origin: EP1134417A2] The rotary displacement pump has a blade (18) to divide the interior (12) of the pump housing (10) into two chambers, rotated by a drive shaft (14). The blade (18) has sealing bars (20,22) and a spring unit (48) which keeps the sealing bars (20,22) pressed against the inner wall surface of the housing interior (12) in a seal contact. The spring (48) is preferably a leaf spring.

IPC 1-7

F04C 2/344; F01C 21/08; F04C 15/00

IPC 8 full level

F01C 21/08 (2006.01); F04C 2/344 (2006.01); F04C 15/00 (2006.01); F04C 18/344 (2006.01)

CPC (source: EP US)

F01C 21/08 (2013.01 - EP US); F01C 21/0809 (2013.01 - EP US); F01C 21/0881 (2013.01 - EP US); F04C 2/3441 (2013.01 - EP US); F04C 2/3442 (2013.01 - EP US); F04C 18/3442 (2013.01 - EP US)

Citation (search report)

Designated contracting state (EPC)

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

DOCDB simple family (publication)

EP 1134417 A2 20010919; EP 1134417 A3 20020911; EP 1134417 B1 20030924; AT E250722 T1 20031015; CN 1162621 C 20040818; CN 1317644 A 20011017; DE 50100666 D1 20031030; EP 1327778 A2 20030716; EP 1327778 A3 20030723; EP 1424495 A2 20040602; EP 1424495 A3 20040623; US 2002136656 A1 20020926; US 6604924 B2 20030812

DOCDB simple family (application)

EP 01104428 A 20010227; AT 01104428 T 20010227; CN 01109497 A 20010314; DE 50100666 T 20010227; EP 03008524 A 20010227; EP 04004782 A 20010227; US 80830401 A 20010314