Dual-wheels corner system with transverse suspension

Patent metadata

Field	Value
Publication number	US-11701935-B2
Application number	US-202217981834-A
Country	US
Kind code	B2
Filing date	Nov 7, 2022
Priority date	Aug 16, 2021
Publication date	Jul 18, 2023
Grant date	Jul 18, 2023

Abstract

A vehicle corner system for a dual-axle wheels assembly may include: a sub-frame; a first wheel interface having a first spinning axis about which a first wheel spins when connected to the first wheel interface; a first suspension linkage connected to and being transverse to the first wheel interface and to the sub-frame; a second wheel interface having a second spinning axis about which a second wheel spins when connected to the second wheel interface; a second suspension linkage connected to and being transverse to the second wheel interface and to the sub-frame; and a motion restrainer comprising a spring interconnecting the first suspension linkage and the second suspension linkage.

First claim

The invention claimed is:

1. A vehicle corner system for a dual-axle wheels assembly, the vehicle corner system comprising:
a sub-frame;
a first wheel interface having a first spinning axis about which a first wheel spins when connected to the first wheel interface;
a first suspension linkage comprising a first arm connected to the sub-frame and to the first wheel interface, the first arm is rotatable with respect to the sub-frame about a first axis that is substantially perpendicular to the first spinning axis;
a second wheel interface having a second spinning axis about which a second wheel spins when connected to the second wheel interface;
a second suspension linkage comprising a second arm connected to the sub-frame and to the second wheel interface, the second arm is rotatable with respect to the sub-frame about a second axis that is substantially perpendicular to the second spinning axis; and
a motion restrainer comprising a piston assembly interconnecting the first suspension linkage and the second suspension linkage, the motion restrainer is to controllably increase and decrease a length of the piston assembly;
wherein the piston assembly is disposed between the first spinning axis and the second spinning axis.

2. The vehicle corner system of claim 1 , further comprising a drivetrain unit comprising at least one motor to spin at least one of the first and second wheel interfaces about the first spinning axis and the second spinning axis, respectively.

3. A vehicle corner system for a dual-axle wheels assembly, the vehicle corner system comprising:
a sub-frame;
a first wheel interface having a first spinning axis about which a first wheel spins when connected to the first wheel interface;
a first suspension linkage comprising a first arm connected to the sub-frame and to the first wheel interface, the first arm is rotatable with respect to the sub-frame about a first axis that is substantially perpendicular to the first spinning axis;
a second wheel interface having a second spinning axis about which a second wheel spins when connected to the second wheel interface;
a second suspension linkage comprising a second arm connected to the sub-frame and to the second wheel interface, the second arm is rotatable with respect to the sub-frame about a second axis that is substantially perpendicular to the second spinning axis; and
a motion restrainer comprising a piston assembly interconnecting the first suspension linkage and the second suspension linkage, the motion restrainer is to controllably increase and decrease a length of the piston assembly;
wherein the motion restrainer is to controllably increase and decrease the length of the piston assembly to control a height of the sub-frame relative to a ground surface when the vehicle corner system is assembled to a vehicle platform.

4. The vehicle corner system of claim 3 , further comprising a drivetrain unit comprising at least one motor to spin at least one of the first and second wheel interfaces about the first spinning axis and the second spinning axis, respectively.

5. A vehicle corner system for a dual-axle wheels assembly, the vehicle corner system comprising:
a sub-frame;
a first wheel interface having a first spinning axis about which a first wheel spins when connected to the first wheel interface;
a first suspension linkage comprising a first arm connected to the sub-frame and to the first wheel interface, the first arm is rotatable with respect to the sub-frame about a first axis that is substantially perpendicular to the first spinning axis;
a second wheel interface having a second spinning axis about which a second wheel spins when connected to the second wheel interface;
a second suspension linkage comprising a second arm connected to the sub-frame and to the second wheel interface, the second arm is rotatable with respect to the sub-frame about a second axis that is substantially perpendicular to the second spinning axis; and
a motion restrainer comprising a piston assembly interconnecting the first suspension linkage and the second suspension linkage, the motion restrainer is to controllably increase and decrease a length of the piston assembly;
wherein (i) the first wheel interface and the second wheel interface, and (ii) the piston assembly are at opposite sides of the sub-frame with respect to each other.

6. The vehicle corner system of claim 5 , further comprising a drivetrain unit comprising at least one motor to spin at least one of the first and second wheel interfaces about the first spinning axis and the second spinning axis, respectively.

7. A vehicle corner system for a dual-axle wheels assembly, the vehicle corner system comprising:
a sub-frame;
a first wheel interface having a first spinning axis about which a first wheel spins when connected to the first wheel interface;
a first suspension linkage comprising a first arm connected to the sub-frame and to the first wheel interface, the first arm is rotatable with respect to the sub-frame about a first axis that is substantially perpendicular to the first spinning axis;
a second wheel interface having a second spinning axis about which a second wheel spins when connected to the second wheel interface;
a second suspension linkage comprising a second arm connected to the sub-frame and to the second wheel interface, the second arm is rotatable with respect to the sub-frame about a second axis that is substantially perpendicular to the second spinning axis; and
a motion restrainer comprising a piston assembly interconnecting the first suspension linkage and the second suspension linkage, the motion restrainer is to controllably increase and decrease a length of the piston assembly; and
a first shock absorber connected to the first suspension linkage and to the sub-frame; and
a second shock absorber connected to the second suspension linkage and to the sub-frame.

8. The vehicle corner system of claim 7 , further comprising a drivetrain unit comprising at least one motor to spin at least one of the first and second wheel interfaces about the first spinning axis and the second spinning axis, respectively.

9. A vehicle corner system for a dual-axle wheels assembly, the vehicle corner system comprising:
a sub-frame;
a first wheel interface having a first spinning axis about which a first wheel spins when connected to the first wheel interface;
a first suspension linkage comprising a first arm connected to the sub-frame and to the first wheel interface, the first arm is rotatable with respect to the sub-frame about a first axis that is substantially perpendicular to the first spinning axis;
a second wheel interface having a second spinning axis about which a second wheel spins when connected to the second wheel interface;
a second suspension linkage comprising a second arm connected to the sub-frame and to the second wheel interface, the second arm is rotatable with respect to the sub-frame about a second axis that is substantially perpendicular to the second spinning axis; and
a motion restrainer comprising a piston assembly interconnecting the first suspension linkage and the second suspension linkage, the motion restrainer is to controllably increase and decrease a length of the piston assembly;
wherein the first suspension linkage comprises a third arm connected to the first wheel interface and the sub-frame, the third arm is rotatable with respect to the sub-frame about a third axis that is substantially perpendicular to the first spinning axis; and
wherein the second suspension linkage comprises a fourth arm connected to the second wheel interface and the sub-frame, the fourth arm is rotatable with respect to the sub-frame about a fourth axis that is substantially perpendi

Assignees

• Ree Automotive Ltd

Inventors

• Dekel Ran
• Sardes Ahishay
• Hacohen Gil
• Goldenstein Zohar
• Aknin Amit
• Zohar Gal
• Meir Ran
• Gury Ido
• Avigur Eylon

Classifications

• B60G5/043 Primary

  the arms being transverse to the longitudinal axis of the vehicle · CPC title

• B60G21/045

  between wheels on different axles on the same side of the vehicle, i.e. the left or the right side · CPC title

• B60G21/023

  longitudinally · CPC title

• B60G2200/144

  with two lateral arms forming a parallelogram · CPC title

• B60G2200/44

  steerable · CPC title