Global Patent Index - EP 0328729 A3

EP 0328729 A3 19900718 - METHOD AND SYSTEM TO CONTROL CENTRIFUGAL COMPRESSORS

Title (en)

METHOD AND SYSTEM TO CONTROL CENTRIFUGAL COMPRESSORS

Publication

EP 0328729 A3 19900718 (DE)

Application

EP 88114221 A 19880831

Priority

DE 3805119 A 19880218

Abstract (en)

[origin: EP0328729A2] In the case of the pump limit control of turbo-compressors, the amplification factor of the regulator supplying the control signal for a blow-out valve is varied according to the gradient of the compressor characteristic curve associated with the relevant operating point. <IMAGE>

IPC 1-7

F04D 27/02

IPC 8 full level

F04D 27/02 (2006.01)

CPC (source: EP US)

F04D 27/0207 (2013.01 - EP US)

Citation (search report)

Designated contracting state (EPC)

CH DE FR GB IT LI NL

DOCDB simple family (publication)

EP 0328729 A2 19890823; EP 0328729 A3 19900718; EP 0328729 B1 19930303; DE 3805119 A1 19890831; DE 3878886 D1 19930408; US 4944652 A 19900731

DOCDB simple family (application)

EP 88114221 A 19880831; DE 3805119 A 19880218; DE 3878886 T 19880831; US 31263889 A 19890217