BMW I01, Информация о продукте

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I01�High-voltage�Components
7.�EKK
134
Discs�with�spiral�profile
Index Explanation
1 Shaft
2 Inner�disc�with�spiral�profile
3 Outer�disc�with�spiral�profile
The�inner�disc�with�spiral�profile�is�driven�via�a�shaft�by�the�three-phase�current�synchronous�motor
and�rotates�eccentrically.�The�gaseous�refrigerant�at�low�temperature�and�low�pressure�is�drawn�in
through�two�openings�in�the�fixed�outer�disc�with�spiral�profile�and�compressed�and�heated�by�the
movement�of�the�two�discs�with�spiral�profiles.
Principle�of�refrigerant�compression
After�three�revolutions,�the�refrigerant�drawn�in�is�compressed�and�heated�and�can�escape�in�a
gaseous�state�through�an�opening�in�the�center�of�the�outer�disc.�From�here,�gaseous�refrigerant
with�high�temperature�and�high�pressure�escapes�via�an�oil�separator�at�the�connection�of�the�A/C
compressor�towards�the�condenser.�The�EKK�is�operated�at�maximum�8600 rpm�and�generates�a
maximum�operating�pressure�of�about�30 bar.
7.3.�High-voltage�safety