EP 1989443 B1 20090812 - RECIPROCATING-PISTON COMPRESSOR HAVING NON-CONTACT GAP SEAL
Title (en)
RECIPROCATING-PISTON COMPRESSOR HAVING NON-CONTACT GAP SEAL
Title (de)
HUBKOLBENVERDICHTER MIT BERÜHRUNGSLOSER SPALTDICHTUNG
Title (fr)
COMPRESSEUR A PISTONS DOTE D'UNe ETANCHEITE D'INTERSTICE SANS CONTACT
Publication
Application
Priority
- EP 2007001444 W 20070220
- DE 102006007743 A 20060220
Abstract (en)
[origin: DE102006007743A1] Reciprocating compressor (1) comprises working cylinders (2, 4) sealed from each other in the region of a piston rod (10) by a seal in the form of an axial gap seal (66) formed between a radial outer peripheral surface of the piston rod and a radial inner peripheral surface of a through opening (32). An independent claim is also included for braking system of a vehicle actuated by compressed air an containing the above reciprocating compressor. Preferred Features: The radial inner peripheral surface of a through opening is provided with radial grooves (68) arranged at an axial distance from each other.
IPC 8 full level
F04B 3/00 (2006.01); F04B 25/00 (2006.01); F04B 39/04 (2006.01); F16J 15/44 (2006.01); F16J 15/447 (2006.01)
CPC (source: EP US)
F04B 3/00 (2013.01 - EP US); F04B 25/00 (2013.01 - EP US); F04B 25/005 (2013.01 - EP US); F04B 39/041 (2013.01 - EP US)
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)
US 2009220364 A1 20090903; US 8147215 B2 20120403; AT E439520 T1 20090815; BR PI0707982 A2 20110517; CN 101421514 A 20090429; CN 101421514 B 20110420; DE 102006007743 A1 20070823; DE 102006007743 B4 20160317; DE 502007001299 D1 20090924; EP 1989443 A1 20081112; EP 1989443 B1 20090812; JP 2009527683 A 20090730; JP 5119168 B2 20130116; WO 2007096127 A1 20070830
DOCDB simple family (application)
US 27996607 A 20070220; AT 07722864 T 20070220; BR PI0707982 A 20070220; CN 200780012788 A 20070220; DE 102006007743 A 20060220; DE 502007001299 T 20070220; EP 07722864 A 20070220; EP 2007001444 W 20070220; JP 2008555685 A 20070220