Patent · US Active

Bypass for purging an oil circuit

US12359715B2 · kind B2 · utility

0Cited by

18References

12Claims

0Family size

Assignee

ZF FRIEDRICHSHAFEN AG · DE

Inventors

Andy Maes · Stekene, BE
Bert VERDYCK · Friedrichshafen, DE
Stijn Rottiers · Lokeren, BE
Wim De Laet · Ekeren, BE

Key dates

Filing date	Jul 8, 2022
Grant date	Jul 15, 2025
Priority date	—
Expiry date	Jul 8, 2042

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16N2210/12
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A gearbox arrangement with an oil circuit, including at least one lubrication point incorporated in the oil circuit and at least one direction control valve with at least two switching positions and at least three ports, the at least three ports including a first port, a second port, and a third port. In a first switching position the first port and the third port are connected to each other in an oil-conducting manner and disconnected from the second port. In a second switching position, the first port and the second port are connected to each other in an oil-conducting manner and disconnected from the third port. The lubrication point and the second port are connected to each other in an oil-conducting manner. The lubrication point and the third port are not connected to each other in an oil-conducting manner.

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