公开(公告)号：US11885103B2

公开(公告)日：2024-01-30

申请号：US17923368

申请日：2020-05-04

Applicant: Volvo Construction Equipment AB

Inventor： Karl Uebel ,  Per Mattsson ,  Daniel Stålberg

IPC: E02F9/20 ,  E02F9/22

CPC classification number: E02F9/2075 ,  E02F9/202 ,  E02F9/2091 ,  E02F9/2217 ,  E02F9/2292

Abstract: A power system for a working machine, including a prime mover drivingly connectable to a main shaft; a planetary gear set including a rotatable first member drivingly connected to the main shaft, a rotatable second member and a rotatable third member for propulsion of the working machine; a hydraulic system including at least one hydraulic actuator for performing a working function of the working machine; an electric energy storage system; a first hydraulic machine mechanically coupled to the main shaft and hydraulically coupled to the hydraulic system; a first electric machine mechanically coupled to the main shaft; a second electric machine mechanically coupled to the rotatable second member, wherein the electric energy storage system is electrically connected to the first and second electric machines, and wherein the power system further includes a second hydraulic machine mechanically coupled to the rotatable second member and hydraulically coupled to the hydraulic system.

公开(公告)号：US11859368B2

公开(公告)日：2024-01-02

申请号：US17785305

申请日：2019-12-19

Applicant: VOLVO CONSTRUCTION EQUIPMENT AB

Inventor： Daniel Stålberg ,  Per Mattsson

IPC: E02F9/20 ,  B60K1/02 ,  B60K17/08 ,  B60K17/28 ,  F16H3/085 ,  B60K25/06 ,  B60K25/00 ,  E02F3/28 ,  E02F9/22

CPC classification number: E02F9/202 ,  B60K1/02 ,  B60K17/08 ,  B60K17/28 ,  B60K25/06 ,  F16H3/085 ,  B60K2025/005 ,  E02F3/283 ,  E02F9/22 ,  F16H2200/0021 ,  F16H2200/0039

Abstract: An electric powertrain for a working machine, including:



a first electric machine,
a second electric machine,
a propulsion axle for propulsion of the working machine,
a transmission assembly comprising:
a first input shaft drivingly connected to the first electric machine,
a second input shaft drivingly connected to the second electric machine,
a first output shaft drivingly connected to the propulsion axle, the first and the second input shafts being selectively drivingly connectable to the first output shaft,

at least one second output shaft for power take-off, to which the second input shaft is drivingly connected,
a set of gears including at least two selectable gear ratios for transfer of torque,

wherein at least the first input shaft is drivingly connectable to the first output shaft via the set of gears.

公开(公告)号：US10781915B2

公开(公告)日：2020-09-22

申请号：US15742535

申请日：2015-07-10

Applicant: VOLVO CONSTRUCTION EQUIPMENT AB

Inventor： Jan Dersjö ,  Per Mattsson ,  Johnny Arne

IPC: F16H61/04 ,  F16H3/66 ,  F16H61/02 ,  F16H3/44

Abstract: A method is provided for controlling a gear shift from a forward gear to a reverse gear in a transmission arrangement, the method including the steps of: positioning a first locking mechanism and a first connecting mechanism at least in a partially engaged state for reducing a rotational speed of a planet carrier of a second planetary gear set; and positioning a second locking mechanism in an engaged state when a rotational speed of the planet carrier of the second planetary gear set is below a predetermined threshold limit.

公开(公告)号：US10533641B2

公开(公告)日：2020-01-14

申请号：US15742533

申请日：2015-07-10

Applicant: VOLVO CONSTRUCTION EQUIPMENT AB

Inventor： Jan Dersjö ,  Per Mattsson ,  Mathias Lehikoinen ,  Mats Åkerblom ,  Jörg Müller ,  Mirko Leesch ,  Rico Resch

IPC: F16H3/66 ,  F16H37/08 ,  F16H3/44

Abstract: A transmission arrangement for a vehicle includes a first, a second, a third, and a fourth planetary gear set including a sun gear, a planet carrier and a ring gear, respectively, wherein the transmission arrangement further includes a transmission housing, an input shaft and an output shaft, wherein two of the sun gear, the planet carrier and the ring gear of the fourth planetary gear set are each operatively connected to a respective one of the input shaft, the sun gear, the planet carrier and the ring gear of the third planetary gear set.

公开(公告)号：US09598835B2

公开(公告)日：2017-03-21

申请号：US14646034

申请日：2012-12-20

Applicant: VOLVO CONSTRUCTION EQUIPMENT AB

Inventor： Per Mattsson ,  Mats Akerblom ,  Daniel Stalberg

IPC: F16H47/04 ,  E02F9/20 ,  F16H3/72 ,  F16H37/06 ,  E02F9/08 ,  E02F9/22 ,  F16H37/08

CPC classification number: E02F9/202 ,  E02F9/0841 ,  E02F9/22 ,  E02F9/2253 ,  F16H3/725 ,  F16H37/06 ,  F16H47/04 ,  F16H2037/0873 ,  F16H2200/2007

Abstract: A continuously variable transmission includes a variator unit having a variator input shaft and a variator output shaft; a first planetary gear set having a first, a second and a third planetary member, the first planetary member being one of a ring wheel and a planet carrier, the second planetary member being the other one of the ring wheel and the planet carrier, and the third planetary member being a sun wheel, wherein the first planetary member of the first planetary gear set is operatively connected to a transmission input shaft; and a second planetary gear set having a sun wheel, a ring wheel and a planet carrier, the planet carrier being operatively connected to a transmission output shaft; wherein the variator input shaft is operatively connected to the second planetary member of the first planetary gear set; the variator output shaft is operatively connected to the sun wheel of the first planetary gear set, the sun wheel of the first planetary gear set being further operatively connected to the sun wheel of the second planetary gear set while having a variable gear ratio between the transmission input shaft and the transmission output shaft; and the ring wheel of the second planetary gear set being selectively connectable to the second planetary member of the first planetary gear set and to a gearbox housing of the continuously variable transmission.

公开(公告)号：US20240100942A1

公开(公告)日：2024-03-28

申请号：US18368858

申请日：2023-09-15

Applicant: VOLVO CONSTRUCTION EQUIPMENT AB

Inventor： Per Mattsson ,  Peter Johansson

IPC: B60K17/36 ,  B60K1/02 ,  B60K17/08 ,  B62D51/00 ,  B62D61/10 ,  F16H37/08 ,  F16H48/10 ,  F16H48/22

CPC classification number: B60K17/36 ,  B60K1/02 ,  B60K17/08 ,  B62D51/00 ,  B62D61/10 ,  F16H37/0806 ,  F16H37/082 ,  F16H48/10 ,  F16H48/22 ,  F16H2200/0021 ,  F16H2200/0039 ,  F16H2200/0043 ,  F16H2200/201 ,  F16H2200/2038 ,  F16H2200/2041

Abstract: A transmission arrangement including a first planetary gear set comprising a first sun gear, a first ring gear and a first planet carrier; a second planetary gear set comprising a second sun gear, a second ring gear and a second planet carrier; a third planetary gear set comprising a third sun gear, a third ring gear and a third planet carrier; an input shaft being operatively connected to the second and third sun gears; a first intermediate shaft operatively connected to the first ring gear and to the second planet carrier; a gear selection arrangement; a first output shaft to be connected to a first driven axle, a second output shaft to be connected to a second driven axle, and a differential unit configured to distribute torque to the first and second output shafts.

公开(公告)号：US20230382221A1

公开(公告)日：2023-11-30

申请号：US18140176

申请日：2023-04-27

Applicant: VOLVO CONSTRUCTION EQUIPMENT AB

Inventor： Per-Anders Sköldberg ,  Per Mattsson

IPC: B60K17/354 ,  B60K1/02 ,  B60K17/08 ,  B60K17/28 ,  F16H63/30 ,  F16H61/04 ,  F16H63/34 ,  B60K17/356

CPC classification number: B60K17/354 ,  B60K1/02 ,  B60K17/08 ,  B60K17/28 ,  F16H63/3023 ,  F16H61/0403 ,  F16H63/34 ,  B60K17/356 ,  F16H2200/0021 ,  F16H2200/0017

Abstract: The present invention relates to a driveline arrangement comprising a first driveline comprising a first electric machine and a first transmission arrangement, the first driveline being configured to propel a first pair of wheels at a speed range between zero speed and a maximum speed limit of the working machine, a second driveline comprising a second electric machine and a second transmission arrangement, the second driveline being configured to propel a second pair of wheels at a speed range between zero speed and a predetermined threshold speed limit of the working machine, wherein the predetermined threshold speed limit is lower than the maximum speed limit, and a control unit connected to the first and second drivelines, the control unit comprising control circuitry configured to control the second driveline to assume a disengaged state in which the second driveline is disconnected from propelling the second pair of wheels when a speed of the working machine exceeds the predetermined threshold speed limit.

公开(公告)号：US11808331B2

公开(公告)日：2023-11-07

申请号：US17771312

申请日：2020-10-22

Applicant: Volvo Construction Equipment AB

Inventor： Per Mattsson ,  Mathias Lehikoinen

IPC: F16H3/48 ,  F16H63/34

CPC classification number: F16H3/48 ,  F16H63/345 ,  F16H2200/0021 ,  F16H2200/2007 ,  F16H2200/2035

Abstract: A transmission assembly includes a common ring gear assembly, a first sun gear, a first planet carrier, a second sun gear and a second planet carrier. A set of planet gears of each one of the first and second planet carriers meshing with the common ring gear assembly. The set of planet gears of the first planet carrier meshing with the first sun gear and the set of planet gears of the second planet carrier meshing with the second sun gear. The transmission assembly further includes a transmission housing.
The second sun gear is adapted to be connected to a transmission input shaft;
the common ring gear assembly is adapted to be connected to a transmission output shaft, and
the second planet carrier and the first sun gear are operatively connected to each other.

公开(公告)号：US20230135081A1

公开(公告)日：2023-05-04

申请号：US17923368

申请日：2020-05-04

Applicant: Volvo Construction Equipment AB

Inventor： Karl Uebel ,  Per Mattsson ,  Daniel Stålberg

IPC: E02F9/20 ,  E02F9/22

Abstract: A power system for a working machine, including a prime mover drivingly connectable to a main shaft; a planetary gear set including a rotatable first member drivingly connected to the main shaft, a rotatable second member and a rotatable third member for propulsion of the working machine; a hydraulic system including at least one hydraulic actuator for performing a working function of the working machine; an electric energy storage system; a first hydraulic machine mechanically coupled to the main shaft and hydraulically coupled to the hydraulic system; a first electric machine mechanically coupled to the main shaft; a second electric machine mechanically coupled to the rotatable second member, wherein the electric energy storage system is electrically connected to the first and second electric machines, and wherein the power system further includes a second hydraulic machine mechanically coupled to the rotatable second member and hydraulically coupled to the hydraulic system.

公开(公告)号：US11566398B2

公开(公告)日：2023-01-31

申请号：US17719712

申请日：2022-04-13

Applicant: VOLVO CONSTRUCTION EQUIPMENT AB

Inventor： Per Mattsson ,  Mathias Lehikoinen

IPC: F16H3/64 ,  E02F9/20

Abstract: A transmission arrangement comprises a first planetary gear set, a second planetary gear set, a third planetary gear set, an input shaft connectable to a prime mover, the input shaft being operatively connected to a sun gear of the second planetary gear set and to a sun gear of the third planetary gear set, an output shaft operatively connected to a ring gear of the first planetary gear set and to a planet carrier of the second planetary gear set. The transmission arrangement further includes a gear selection arrangement including a first locking mechanism connected to a planet carrier of the first planetary gear set, a second locking mechanism connected to a sun gear of the first planetary gear set, a ring gear of the second planetary gear set and to a planet carrier of the third planetary gear set, and a third locking mechanism.