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1. (WO2017036684) MACHINE, IN PARTICULAR OIL PUMP, WITH AN INNER AND OUTER ROTOR CONNECTED VIA VANES

Pub. No.:    WO/2017/036684    International Application No.:    PCT/EP2016/067889
Publication Date: Fri Mar 10 00:59:59 CET 2017 International Filing Date: Thu Jul 28 01:59:59 CEST 2016
IPC: F01C 1/336
F01C 21/08
F04C 2/336
Applicants: ROBERT BOSCH GMBH
VHIT S.P.A. SOCIETA UNIPERSONALE
Inventors: CHARVET, Olivier
SIES, Steffen
AMESOEDER, Dieter
GESTERKAMP, Christoph
MAIER, Tim
ELSER, Stefan
BACCALARO, Marco
ANSALONE, Marco
RAISCH, Sven Robert
MARCHETTI, Luciano
Title: MACHINE, IN PARTICULAR OIL PUMP, WITH AN INNER AND OUTER ROTOR CONNECTED VIA VANES
Abstract:
The invention relates to a machine, in particular an oil pump (1) for conveying oil, wherein the machine has a stator (4) and an outer rotor (6) arranged rotatably therein, and an inner rotor (8) arranged eccentrically to the outer rotor (6) and connected therewith via vanes (12), wherein at least one machine working area is formed between the outer rotor (6) and the inner rotor (8). According to the invention, a machine is specified, in which each of the vanes (12) has a central recess (21a, 21b) facing the inner rotor (8), which recess corresponds to a respectively configured tip (22) of the inner rotor (8).