Device for cooling a current generator unit
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United States of America Patent
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N/A
Issued Date -
Aug 18, 2005
app pub date -
Nov 23, 2004
filing date -
Jun 25, 2002
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
The invention relates to a current generator unit consisting of a generator and reciprocating engine as the drive system, in particular consisting of a synchronous generator and a diesel engine and comprising a cooling device for the common cooling of the generator and reciprocating engine. Said unit comprises a fan wheel (2) that axially aspirates the cooling air (L) on the motor side and evacuates the latter radially and that has a first passage (49) located in the radial exterior zone of the blades (4) and a second passage (50) located radially inside the blades (4). A small portion (S2) of the cooling air (L) ('generator cooling air') is fed exclusively to the generator on the motor side via the first passage (49) and is evacuated via the second passage (50) and a predominant portion (S1) of the cooling air (L) ('motor cooling air') is fed to the reciprocating engine.
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