公开(公告)号：US20210108623A1

公开(公告)日：2021-04-15

申请号：US16982081

申请日：2019-03-20

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

Inventor： ALESSANDRO SASSI ,  FABIO NATALI ,  FEDERICA FRANZONI

IPC: F04B1/30 ,  F03C1/40 ,  F03C1/32 ,  F04B1/2035

Abstract: A bent-axis axial-piston hydraulic machine may have a cylinder block being movable circumferentially about a first rotation axis. The machine may also have a transmission shaft which is functionally associated with the cylinder block and which can rotate about a transmission axis incident on the rotation axis. The machine may also have a distributor, and a device for angular offsetting which is associated with the distributor to rotate the distributor to cause a variation of effective cubic capacity while a geometric cubic capacity of the machine remains constant. The corresponding method for adjusting the capacity of a bent-axis axial piston hydraulic machine is also disclosed.

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.