EP 0750720 B1 19981209 - TURBO-MACHINE WITH A BALANCE PISTON
Title (en)
TURBO-MACHINE WITH A BALANCE PISTON
Title (de)
STRÖMUNGSMASCHINE MIT ENTLASTUNGSKOLBEN
Title (fr)
TURBOMACHINE AVEC PISTON D'ALLEGEMENT
Publication
Application
Priority
- DE 29500744 U 19950118
- EP 9600185 W 19960117
Abstract (en)
[origin: US5713720A] PCT No. PCT/EP96/00185 Sec. 371 Date Sep. 17, 1996 Sec. 102(e) Date Sep. 17, 1996 PCT Filed Jan. 17, 1996 PCT Pub. No. WO96/22468 PCT Pub. Date Jul. 25, 1996Fluid-flow machine having shaft (1) which is mounted in an axially fixed fashion, and a balancing piston (6) firmly arranged thereon. In order to reduce the leakage flow, the balancing piston (6) is partially replaced by a porting ring (12) which forms with the balancing piston a choke gap (11), through which radial flow occurs, and a cylindrical upstream throttle (13) through which axial flow occurs.
IPC 1-7
IPC 8 full level
F01D 3/04 (2006.01); F04D 29/04 (2006.01)
CPC (source: EP US)
F01D 3/04 (2013.01 - EP US); F04D 29/0416 (2013.01 - EP US)
Designated contracting state (EPC)
CH DE FR GB IT LI NL
DOCDB simple family (publication)
US 5713720 A 19980203; DE 29500744 U1 19960515; DE 59600941 D1 19990121; EP 0750720 A1 19970102; EP 0750720 B1 19981209; WO 9622468 A1 19960725
DOCDB simple family (application)
US 70459996 A 19960917; DE 29500744 U 19950118; DE 59600941 T 19960117; EP 9600185 W 19960117; EP 96900592 A 19960117