Back to results
US 2023/0145968 A1Published application
Drive Unit
AssigneeZF Friedrichshafen AG
InventorsSteffen KRAFT, Miran PERCIC, Rüdiger NIERESCHER, Klaus KRAFT
Life of this patent
Estimating the term…
Abstract
A drive unit (10) for a manually driven vehicle, in particular a bicycle or an EPAC, includes a housing (12), an electric motor (18) with a rotor (44), a bottom bracket shaft (14), a harmonic drive (20) coupled to the rotor (44), and an output shaft (22). The harmonic drive (20) includes an outer bushing with an inner toothing. The outer bushing (38) of the harmonic drive (20) is coupled to the housing (12) via a buffer (64).
Claims12
1-11:
- (canceled)
A drive unit (10) for a manually driven vehicle, namely a bicycle or an EPAC, comprising:
- a housing (12);
- an electric motor (18) with a rotor (46);
- a bottom bracket shaft (14);
- a harmonic drive (20) coupled to the rotor (46), the harmonic drive (20) comprising an outer bushing (38) with internal teeth;
- and
- an output shaft (22),
- wherein the outer bushing (38) of the harmonic drive (20) is coupled to the housing (12) via a buffer (64).
4 more elements
Dependencies are inferred from the claim text.