The cooling device has a pair of cooling air feeds (15,17) offset from one another along the axis of the first turbine stage (2) for directing respective cooling air streams onto the turbine blades (3), The first cooling air feed (15) is connected to a cooling air source (13) providing a higher air pressure than the cooling air source (16) coupled to the second cooling air feed (17). The second cooling air feed may be supplied from the same cooling air source as the first cooling air feed via a pressure reduction device.
申请公布号
DE19733148(C1)
申请公布日期
1998.11.12
申请号
DE1997133148
申请日期
1997.07.31
申请人
SIEMENS AG, 80333 MUENCHEN, DE
发明人
TIEMANN, PETER, DIPL.-ING., 58452 WITTEN, DE;MILAZAR, MIRKO, 46049 OBERHAUSEN, DE
