Patent · US Active

Drive unit for a submersible oil pump, with a fluid passage allowing the fluid in the motor housing to be discharged to the ambient enviroment

US9587638B2 · kind B2 · utility

1Cited by

3References

10Claims

0Family size

Assignee

MAGNA POWERTRAIN BAD HOMBURG GMBH · DE

Inventors

Elmar Hoppach · Bad Homburg vor der Höhe, DE
Kai Lunau · Monsheim, DE
Andreas Bernert · Bad Homburg vor der Höhe, DE

Key dates

Filing date	Mar 13, 2012
Grant date	Mar 7, 2017
Priority date	—
Expiry date	Jan 7, 2033

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF04C2270/701
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A drive unit (3) for a submersible oil pump, including a housing (7), a motor compartment (9) that is surrounded by the housing (7), and a rotor (13) arranged in the motor compartment (9), whereby a first fluid path (35) leading from a submerged oil environment (37) of the housing (7) to the motor compartment (9) is provided so as to allow oil to flow from the submerged oil environment (37) into the motor compartment (9).

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