公开(公告)号：US20210268898A1

公开(公告)日：2021-09-02

申请号：US17261201

申请日：2019-07-17

Applicant: DANA MOTION SYSTEMS ITALIA S.R.L.

Inventor： DAVID GAMBUZZI ,  NICOLA FRANCESCO MUSCIAGNA ,  FABIO NATALI ,  NICOLA TESSARO

IPC: B60K17/10 ,  B60K17/16 ,  F16H48/08 ,  F16H57/037

Abstract: A hydrostatic drive system for vehicles may have a hydrostatic transmission unit with a hydraulic motor provided with a containment body and a drive shaft rotationally supported around a primary axis inside of the containment body. The system may also have an axle with a housing case for a differential device for the transmission of the drive torque to two half-axles and rotating around a secondary axis transverse to the primary axis. The differential device may also have a toothed conical drive ring gear in rotation about the secondary axis. The coupling member may be a conical pinion rigidly associated in rotation about the primary axis with the drive shaft and directly geared with the ring gear, the pinion being positioned along the terminal section of the drive shaft.

公开(公告)号：US20210380162A1

公开(公告)日：2021-12-09

申请号：US17283982

申请日：2019-10-09

Applicant: DANA MOTION SYSTEMS ITALIA S.R.L.

Inventor： MIRKO BIAGI ,  STEFANO FASANO ,  MATTEO GROTT ,  NICOLA FRANCESCO MUSCIAGNA

IPC: B62D5/09 ,  F15B15/20

Abstract: A steering system for vehicles with independent axles is disclosed. The system may have a second circuit for control of a second cylinder. The second circuit may have a solenoid valve, with at least four ways and three positions. The solenoid valve may be interposed between a second hydraulic liquid inlet line, a second hydraulic liquid outlet line, and a third operating duct and a fourth operating duct for the passage of hydraulic liquid. The system moreover envisages an electronic unit for management and control of the directional-control solenoid valve, which is operatively connected to a device for detecting the steering angle imposed by the first cylinder and is designed to manage the directional-control solenoid valve as a function of the data detected by the device.