Pumps – Condition responsive control of pump drive motor – By controlling drive motor motive fluid
Reexamination Certificate
2007-06-14
2009-10-13
Freay, Charles G (Department: 3746)
Pumps
Condition responsive control of pump drive motor
By controlling drive motor motive fluid
C417S043000, C417S375000, C417S379000, C417S390000, C418S048000, C418S201100, C418S220000
Reexamination Certificate
active
07600982
ABSTRACT:
A compact helical compressor system for mobile use in vehicles is described. The system includes a helical compressor unit, a motor unit dedicated to the helical compressor unit for driving the helical compressor unit, and a control unit for adjusting a rotational speed of the motor unit and to generate a predefined discharge rate of compressed air from the helical compressor unit, independently of a drive assembly of the vehicle.
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Crowell & Moring LLP
Freay Charles G
Hamo Patrick
KNORR-BREMSE Systeme fuer Schienenfahrzeuge GmbH
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