公开(公告)号：US12158197B2

公开(公告)日：2024-12-03

申请号：US17783727

申请日：2020-12-10

Applicant: Punch Powertrain PSA e-transmissions NV

Inventor： Roell Marie Van Druten ,  Antonius Van Deurzen

IPC: F16H3/00 ,  B60K6/365 ,  B60K6/547 ,  F16H37/08 ,  F16H3/08 ,  F16H37/04

Abstract: A transmission system for a vehicle, in particular a front wheel driven vehicle, having an input arranged for connection to a drive source, and an output arranged for connection to a load. The transmission system comprises a transmission which in turn comprises an output shaft connected to the output, a first input shaft and a first speed transforming gear coupling the first input shaft to the output shaft, and a second input shaft and a second speed transforming gear coupling the second input shaft to the output shaft.

公开(公告)号：US11867288B2

公开(公告)日：2024-01-09

申请号：US17241778

申请日：2019-10-28

Applicant: Punch Powertrain PSA e-transmissions NV

Inventor： Roell Marie Van Druten ,  Peter Mark Smid

IPC: F16H63/34 ,  F16H63/48 ,  F16H61/00

CPC classification number: F16H63/483 ,  F16H61/0031 ,  F16H63/3483 ,  F16H2061/005

Abstract: The invention relates to a hydraulic system for a vehicle transmission, comprising: a hydraulic circuit arranged for generating a pressure, a hydraulic actuator arranged for engaging a park lock system, wherein the hydraulic actuator is hydraulically connected to the hydraulic circuit for actuation of the hydraulic actuator using the pressure, and a back-up system configured to keep the pressure above a predetermined pressure threshold for maintaining an actuation of the hydraulic actuator for a predetermined period of time in case of an operational interruption of a transmission control unit of the vehicle.