Patent · US Active

Valve drive device with switchover device

US11236646B2 · kind B2 · utility

0Cited by

6References

20Claims

0Family size

Assignee

Mahle International GmbH · DE

Inventors

Patrick Altherr · Stuttgart, DE
Thorsten Ihne · Stuttgart, DE
Markus Lindgren · Älmhult, SE

Key dates

Filing date	May 8, 2019
Grant date	Feb 1, 2022
Priority date	—
Expiry date	May 8, 2039

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF01L2820/031
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A valve drive device for actuating valves of an internal combustion engine a rocker arm device and a switchover device that includes at least two actuators for the at least one rocker arm device. The two actuators respectively include a switching element adjustable between a first position and a second position; a resetting device for resetting the switching element with a resetting force into the second position; a holding coil for offsetting the resetting force of the resetting device; a switching coil that counteracts the resetting force during operation. The switching coil and the holding coil adjust the switching element into the first position.

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