Rotary expansible chamber devices – Non-metallic working member – cylinder or partition
Reexamination Certificate
2005-08-02
2005-08-02
Trieu, Theresa (Department: 3748)
Rotary expansible chamber devices
Non-metallic working member, cylinder or partition
C418S150000, C418S125000, C418S255000, C464S100000, C464S101000
Reexamination Certificate
active
06923628
ABSTRACT:
A vacuum pump, in particular for brake booster systems in motor vehicles, with a drivable rotor via which a blade in a housing can be set in rotation is proposed. The vacuum pump is distinguished by the fact that the rotor consists of plastic and is formed as one piece.
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(225768) Annex to the International Preliminary Examination Report (English translation).
Mayer, Josef, “Rotary piston pump, particularly for processing milk products or similar materials,” Oct. 10, 1966.
Bateman IP Law Group
Luk, Automobitechnik GmbH
Trieu Theresa
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