Übertragungsvorrichtung

Details

Veröffentlichungs-Nr.

EP4745430

Anmeldetag

17. Mai 2024

Veröffentlichung

16. Januar 2025

Rechtsraum

EP

Abstract

[Problem] To reduce the time during which both a rotational torque and an actuator thrust act on a bearing. [Solution] This transmission device comprises: a first planetary gear mechanism; a second planetary gear mechanism; a first fastening mechanism; a second fastening mechanism; and a third fastening mechanism. The third fastening mechanism includes: a pressing part that fastens a fastening element; a spring that biases the pressing part in a fastening direction; an actuator that generates thrust in a release direction and that releases the fastening element by using the thrust to displace the pressing part in the release direction; and a bearing that, when the fastening element is to be released, receives the load of the spring compressed by the thrust. In a first speed-changing step, the transmission device fastens the first fastening mechanism and releases the second fastening mechanism and the third fastening mechanism, and in a second speed-changing step, the transmission device fastens the second fastening mechanism and releases the first fastening mechanism and the third fastening mechanism. The first speed-changing step is selected during emergency travel, which requires a larger driving force than during a normal start.

Anmelder

Firma

Jatco Ltd.

Land

🇯🇵 Japan