EP 1212535 A1 20020612 - VACUUM GENERATING DEVICE
Title (en)
VACUUM GENERATING DEVICE
Title (de)
VAKUUMERZEUGERVORRICHTUNG
Title (fr)
DISPOSITIF A PRODUIRE DU VIDE
Publication
Application
Priority
- DE 20011839 U 20000707
- EP 0106563 W 20010611
Abstract (en)
[origin: US2002114705A1] A vacuum producing means having a housing (2) with an inlet connection (4) and a suction connection (6) arranged opposite to same. The housing (2) comprises a suction nozzle means (16) and a gage pressure pulse means (35) arranged alongside same with the same alignment, for producing a fluid gage pressure pulse to be delivered into the suction space. The gage pressure pulse means (35) comprises a switching valve (35) combined with a pressure plenum (37), the valve member of the switching valve being so driven in a manner dependent of the differential thereat that the pressure plenum is either connected fluidwise with the inlet connection (4) or with the suction connection (6).
IPC 1-7
IPC 8 full level
F04F 5/20 (2006.01); F04F 5/46 (2006.01); F04F 5/52 (2006.01)
CPC (source: EP US)
F04F 5/461 (2013.01 - EP US); F04F 5/52 (2013.01 - EP US)
Citation (search report)
See references of WO 0204818A1
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)
US 2002114705 A1 20020822; US 6729852 B2 20040504; AT E416315 T1 20081215; DE 20011839 U1 20001214; DE 50114542 D1 20090115; EP 1212535 A1 20020612; EP 1212535 B1 20081203; JP 2004502905 A 20040129; WO 0204818 A1 20020117
DOCDB simple family (application)
US 4973902 A 20020215; AT 01957838 T 20010611; DE 20011839 U 20000707; DE 50114542 T 20010611; EP 0106563 W 20010611; EP 01957838 A 20010611; JP 2002509655 A 20010611