EP 0682751 B1 19970806 - VACUUM PUMP DEVICE
Title (en)
VACUUM PUMP DEVICE
Title (de)
VAKUUM-PUMPEINRICHTUNG
Title (fr)
ENSEMBLE POMPE A VIDE
Publication
Application
Priority
- DE 4303319 A 19930205
- EP 9303589 W 19931217
Abstract (en)
[origin: WO9418453A1] In a vacuum pump device to evacuate the pump case (11) of a constricted tube pump (12) that is installed on a road vehicle with a compressed air braking system and that can be used as a concrete delivery pump, the vacuum pump unit (28), to the suction side of which the case (11) of the constricted tube pump (12) is connected as recipient, is designed as an ejector that works on the principle of an air jet pump and whose air jet can be branched from the compressed air produced by the compressor (43) of the vehicle braking system.
IPC 1-7
IPC 8 full level
B60P 3/16 (2006.01); B28C 5/42 (2006.01); F04B 43/12 (2006.01); F04C 5/00 (2006.01); F04F 5/20 (2006.01); F04F 5/54 (2006.01)
CPC (source: EP KR)
B28C 5/4258 (2013.01 - EP); F04B 43/12 (2013.01 - KR); F04B 43/1253 (2013.01 - EP); F04F 5/20 (2013.01 - EP); F04F 5/54 (2013.01 - EP)
Designated contracting state (EPC)
DE ES FR IT
DOCDB simple family (publication)
DE 4303319 A1 19940811; DE 59307092 D1 19970911; EP 0682751 A1 19951122; EP 0682751 B1 19970806; ES 2107803 T3 19971201; JP H08506398 A 19960709; KR 100307938 B1 20011130; KR 960700413 A 19960120; WO 9418453 A1 19940818
DOCDB simple family (application)
DE 4303319 A 19930205; DE 59307092 T 19931217; EP 9303589 W 19931217; EP 94903814 A 19931217; ES 94903814 T 19931217; JP 51755994 A 19931217; KR 19950703147 A 19950731