Pumps – Motor driven – Electric or magnetic motor
Reexamination Certificate
2003-09-02
2009-10-13
Cuff, Michael (Department: 3741)
Pumps
Motor driven
Electric or magnetic motor
C417S212000, C280S124160
Reexamination Certificate
active
07600988
ABSTRACT:
Air-demand-controlled compressor arrangement, particularly for commercial vehicles, includes a motor unit for generating a rotating movement which, by way of an interposed rotational-speed-transmitting transmission unit, drives a compressor unit for generating compressed air from ambient air. A control unit triggers the generating of compressed air in the case of a compressed-air demand. The transmission unit is constructed in the manner of a transmission whose rotational speed can be varied, and the control unit interacts with the transmission unit in order to adapt the rotational speed of the transmission unit corresponding to the compressed-air demand.
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Article entitled “High-Performance Compressors” by Knorr-Bremse Systeme fuer Nutzfahrzeuge GmbH (No. P-3505-DE-01).
European Search Report dated May 29, 2009 (six (6) pages).
Doerr Wolfgang
Gerum Eduard
Crowell & Moring LLP
Cuff Michael
Dwivedi Vikansha S
KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH
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