Patent · US Active

Oil pump drive device

US11371585B2 · kind B2 · utility

0Cited by

4References

17Claims

0Family size

Assignee

ZF FRIEDRICHSHAFEN AG · DE

Inventors

Florian Pöhnlein · Stefansfeld, DE
Ingo Lippenberger · Weingarten, DE
Ralf Schmieder · Ravensburg, DE

Key dates

Filing date	Jul 2, 2018
Grant date	Jun 28, 2022
Priority date	—
Expiry date	May 10, 2039

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16H2057/02086
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

An oil pump drive device (1) may include a housing (G), an oil pump drive shaft (AN), an electric motor, and a planetary gear set (RS). The planetary gear set (RS) may be supported by the housing (G) and have a first element (E1) connected to a rotor (R) of the electric motor, a second element (E2) connected to the oil pump drive shaft (AN), and a third element (E3) drivable by a drive source located outside the oil pump drive device (1). A first bearing (L1) may be supported on the housing (G) and may support at least one of the elements (E1, E2, E3) of the planetary gear set (RS) in a radial direction. The stator (S) of the electric motor is at least partially surrounded by a plastic mass (K), where the stator (S) is attached to the housing (G) via the plastic mass (K).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.