Side-by-side vehicle

• US 10,369,886 B2
• Filed: 10/23/2017
• Issued: 08/06/2019
• Est. Priority Date: 08/03/2010
• Status: Active Grant

• Current Assignee: Polaris Industries Incorporated (Polaris Inc.)
• Original Assignee: Polaris Industries Incorporated (Polaris Inc.)
• Inventors: Safranski, Brian M., Peterson, Robbi L., Sunsdahl, Richard L., Deckard, Aaron D., Brady, Louis J.
• Primary Examiner(s): Brown, Drew J
• Application Number:
  US15/790,691
• Publication Number:
  US 20180056783A1
• Time in Patent Office: 652 Days
• CPC Class Codes: B60G 2200/144 with two lateral arms forming a parallelogram
• CPC Class Codes: B60G 2200/1442 including longitudinal rods
• CPC Class Codes: B60G 2200/182 with one longitudinal arm or rod and lateral rods
• CPC Class Codes: B60G 2202/12 Wound spring
• CPC Class Codes: B60G 2202/24 Fluid damper
• CPC Class Codes: B60G 2204/128 Damper mount on vehicle body or chassis
• CPC Class Codes: B60G 2204/129 Damper mount on wheel suspension or knuckle
• CPC Class Codes: B60G 2204/143 on the vehicle body or chassis
• CPC Class Codes: B60G 2206/16 the arm having a U profile and/or made of a plate
• CPC Class Codes: B60G 2300/07 Off-road vehicles
• CPC Class Codes: B60G 2300/124 Quads
• CPC Class Codes: B60G 2300/13 Small sized city motor vehicles
• CPC Class Codes: B60G 3/14 the arm being rigid
• CPC Class Codes: B60G 3/20 all arms being rigid
• CPC Class Codes: B60G 3/202 having one longitudinal arm and two parallel transversal arms, e.g. dual-link type strut suspension
• CPC Class Codes: B60G 3/22 a rigid arm forming the axle housing
• CPC Class Codes: B60G 7/006 Attaching arms to sprung or unsprung part of vehicle, characterised by comprising attachment means controlled by an external actuator, e.g. a fluid or electrical motor B62D7/146 takes precedence
• CPC Class Codes: B60G 7/008 Attaching arms to unsprung part of vehicle B60G7/005, B60G7/006 take precedence
• CPC Class Codes: B60K 11/06 with air cooling
• CPC Class Codes: B60K 13/02 concerning intake
• CPC Class Codes: B60K 17/00 : Arrangement or mounting of transmissions in vehicles clutches per se, e.g. construction thereof, F16D; gearing per se, e.g. construction thereof, F16H
• CPC Class Codes: B60K 17/165 : provided between independent half axles B60K17/18, B60K17/20 take precedence
• CPC Class Codes: B60K 17/34 : for driving both front and rear wheels, e.g. four wheel drive vehicles arrangement or mounting of control devices for changing number of driven wheels B60K23/08
• CPC Class Codes: B60K 17/348 : having differential means for driving one set of wheels, e.g. the front, at one speed and the other set, e.g. the rear, at a different speed B60K17/346 takes precedence
• CPC Class Codes: B60K 17/354 : having separate mechanical assemblies for transmitting drive to the front or to the rear wheels or set of wheels
• CPC Class Codes: B60K 2005/003 : the internal combustion or jet propulsion unit is arranged between the front and the rear axle
• CPC Class Codes: B60Y 2200/124 : Buggies, Quads
• CPC Class Codes: B60Y 2200/20 : Off-Road Vehicles
• CPC Class Codes: B60Y 2400/72 : Continous variable transmissions [CVT]
• CPC Class Codes: B60Y 2410/124 : Welded parts
• CPC Class Codes: B62D 21/183 : specially adapted for sports vehicles, e.g. race, dune buggies, go-karts tubular skeleton B62D23/005
• CPC Class Codes: B62D 63/04 : Component parts or accessories
• CPC Class Codes: Y10T 29/49815 : Disassembling
• CPC Class Codes: Y10T 29/49826 : Assembling or joining

Abstract

A vehicle may include a CVT unit or a power source which requires ambient air. An air inlet for an air intake system coupled to the CVT unit or the power source which requires ambient air may be provided in a side of a cargo carrying portion of the vehicle. The vehicle may include a rear radius arm suspension.

Claims

1. A vehicle, comprising:

a frame;

a plurality of ground engaging members supporting the frame;

an internal combustion power source supported by the frame and operatively coupled to at least one of the plurality of ground engaging members to propel the vehicle;

a CVT supported by the frame, the CVT including a drive member, a driven member operatively coupled to the drive member, the drive member is operatively coupled to an output shaft of the internal combustion power source, the drive member is operatively coupled to the at least one of the plurality of ground engaging members through the driven member, the driven member being completely longitudinally rearward of the drive member;

an operator area supported by the frame, the operator area including seating and operator controls, the seating including a driver seat and a passenger seat positioned in a side-by-side arrangement, the plurality of ground engaging members including a first ground engaging member and a second ground engaging member both positioned rearward of the seating and a third ground engaging member and a fourth ground engaging member both positioned forward of the seating, the operator controls including a steering wheel operatively coupled to the third ground engaging member and the fourth ground engaging member, the steering wheel being positioned directly forward of the driver seat and to a first side of a vehicle longitudinal centerline plane;

a fuel tank positioned longitudinally in line with the passenger seat, a front wall of the fuel tank positioned completely forward of a rearward most extent of the seating, a top wall of the fuel tank positioned vertically offset from a seat bottom of the passenger seat, the fuel tank being operatively coupled to the internal combustion power source to provide fuel to the internal combustion power source;

a shiftable transmission supported by the frame and positioned rearward of the operator area, the shiftable transmission being operatively coupled to the internal combustion power source;

a cargo carrying portion supported by the frame and positioned rearward of the seating, the cargo carrying portion including a cargo bed having a floor and a plurality of walls extending above the floor, the floor of the cargo carrying portion being positioned above the internal combustion power source, the CVT, and the shiftable transmission;

a first half shaft operatively coupled to the shiftable transmission and the first ground engaging member to transfer power received from the internal combustion power source to the first ground engaging member through the shiftable transmission;

a second half shaft operatively coupled to the shiftable transmission and the second ground engaging member to transfer power received from the internal combustion power source to the second ground engaging member through the shiftable transmission;

a third half shaft coupled to the shiftable transmission and the third ground engaging member to transfer power received from the internal combustion power source to the third ground engaging member through the shiftable transmission;

a fourth half shaft coupled to the shiftable transmission and the fourth ground engaging member to transfer power received from the internal combustion power source to the fourth ground engaging member through the shiftable transmission; and

a first rear suspension including a first plurality of suspension arms moveably coupling the first ground engaging member to the frame, the first rear suspension including

a first suspension arm of the first plurality of suspension arms of the first rear suspension extending along a longitudinal direction of the vehicle, the first suspension arm of the first plurality of suspension arms of the first rear suspension having a forward portion rotatably coupled to the frame through a first connection and a rearward portion coupled to the first ground engaging member, the first connection being positioned completely rearward of a forward most extent of the seating, completely forward of the first ground engaging member, and completely forward of a rearward most extent of the seating;

a first dampening member having a lower portion and an upper portion, the lower portion of the first dampening member being moveably coupled to the first suspension arm of the first plurality of suspension arms of the first rear suspension through a second connection positioned completely forward of the first half shaft, the upper portion of the first dampening member being moveably coupled to the frame independent of the first suspension arm of the first plurality of suspension arms of the first rear suspension through a third connection positioned forward of the second connection, the second connection being positioned completely rearward of the first connection;

a second suspension arm of the first plurality of suspension arms of the first rear suspension, the second suspension arm of the first plurality of suspension arms of the first rear suspension being positioned completely rearward of the first half shaft, being moveably coupled to the frame independent of the first suspension arm of the first plurality of suspension arms of the first rear suspension through a fourth connection, and being moveably coupled to the first ground engaging member; and

a third suspension arm of the first plurality of suspension arms of the first rear suspension, the third suspension arm of the first plurality of suspension arms of the first rear suspension being positioned completely rearward of the first half shaft, being moveably coupled to the frame independent of both the first suspension arm of the first plurality of suspension arms of the first rear suspension and the second suspension arm of the first plurality of suspension arms of the first rear suspension through a fifth connection, and being moveably coupled to the first ground engaging member independent of the second suspension arm of the first plurality of suspension arms of the first rear suspension; and

a second rear suspension including a second plurality of suspension arms moveably coupling the second ground engaging member to the frame, the second rear suspension including

a first suspension arm of the second plurality of suspension arms of the second rear suspension extending along a longitudinal direction of the vehicle, the first suspension arm of the second plurality of suspension arms of the second rear suspension having a forward portion rotatably coupled to the frame through a sixth connection and a rearward portion coupled to the second ground engaging member, the sixth connection being positioned completely rearward of a forward most extent of the seating, completely forward of the second ground engaging member, and completely forward of a rearward most extent of the seating;

a second dampening member having a lower portion and an upper portion, the lower portion of the second dampening member being moveably coupled to the first suspension arm of the second plurality of suspension arms of the second rear suspension through a seventh connection positioned completely forward of the second half shaft, the upper portion of the first dampening member being moveably coupled to the frame independent of the first suspension arm of the second plurality of suspension arms of the second rear suspension through an eighth connection positioned forward of the seventh connection, the seventh connection being positioned completely rearward of the sixth connection;

a second suspension arm of the second plurality of suspension arms of the second rear suspension, the second suspension arm of the second plurality of suspension arms of the second rear suspension being positioned completely rearward of the second half shaft, being moveably coupled to the frame independent of the first suspension arm of the second plurality of suspension arms of the second rear suspension through a ninth connection, and being moveably coupled to the second ground engaging member; and

a third suspension arm of the second plurality of suspension arms of the second rear suspension, the third suspension arm of the second plurality of suspension arms of the second rear suspension being positioned completely rearward of the second half shaft, being moveably coupled to the frame independent of both the first suspension arm of the second plurality of suspension arms of the second rear suspension and the second suspension arm of the second plurality of suspension arms of the second rear suspension through a tenth connection, and being moveably coupled to the second ground engaging member independent of the second suspension arm of the second plurality of suspension arms of the second rear suspension;

a first front suspension moveably coupling the third ground engaging member to the frame, the first front suspension including

a first A-arm of the first front suspension rotatably coupled to the frame and to the third ground engaging member; and

a third dampening member including a lower end and an upper end, the lower end being moveably coupled to the first A-arm of the first front suspension and the upper end being moveably coupled to the frame independent of the first A-arm of the first front suspension; and

a second front suspension moveably coupling the fourth ground engaging member to the frame, the second front suspension including

a first A-arm of the second front suspension rotatably coupled to the frame and to the fourth ground engaging member; and

a fourth dampening member including a lower end and an upper end, the lower end being moveably coupled to the second A-arm of the second front suspension and the upper end being moveably coupled to the frame independent of the second A-arm of the second front suspension;

wherein the CVT and the internal combustion power source are both positioned completely rearward of the seat bottom of the passenger seat, the first suspension arm of the first plurality of suspension arms of the first rear suspension being moveable relative to the first suspension arm of the second plurality of suspension arms of the second rear suspension and relative to the shiftable transmission, the first suspension arm of the second plurality of suspension arms of the second rear suspension being moveable relative to the shiftable transmission.

2. The vehicle of claim 1, wherein the second suspension arm of the first plurality of suspension arms of the first rear suspension is completely vertically lower relative to the third suspension arm of the first plurality of suspension arms of the first rear suspension and the fourth connection is located closer to the vehicle longitudinal centerline plane than the fifth connection and wherein the second suspension arm of the second plurality of suspension arms of the second rear suspension is completely vertically lower relative to the third suspension arm of the second plurality of suspension arms of the second rear suspension and the ninth connection is located closer to the vehicle longitudinal centerline plane than the tenth connection.

3. The vehicle of claim 2, wherein the first rear suspension further includes a fourth suspension arm of the first plurality of suspension arms of the first rear suspension, the fourth suspension arm being moveable relative to the frame and operatively coupled to the first ground engaging member, the fourth suspension arm extending laterally and being coupled to the frame at a location vertically below the fifth connection of the third suspension arm of the first plurality of suspension arms of the first rear suspension and vertically above the fourth connection of the second suspension arm of the first plurality of suspension arms of the first rear suspension.

4. The vehicle of claim 3, wherein the fourth suspension arm of the first plurality of suspension arms of the first rear suspension extends towards the vertical longitudinal centerline plane closer than the fourth connection of the second suspension arm of the first plurality of suspension arms of the first rear suspension and closer than the fifth connection of the third suspension arm of the first plurality of suspension arms of the first rear suspension.

5. The vehicle of claim 4, wherein the fourth suspension arm of the first plurality of suspension arms of the first rear suspension extends across the vertical longitudinal centerline plane and is a sway bar.

6. The vehicle of claim 4, wherein the second suspension arm of the first plurality of suspension arms of the first rear suspension is non-parallel relative to the third suspension arm of the first plurality of suspension arms of the first rear suspension when viewed from a top view above the first rear suspension.

7. The vehicle of claim 4, wherein the frame includes a first frame member having a plurality of openings, the first frame member spans the vehicle longitudinal centerline plane, each of the fourth connection, the fifth connection, the ninth connection, and the tenth connection includes an elongated fastener which passes through a respective one of the plurality of openings of the first frame member and wherein the elongated fastener of the fourth connection passes through an opening in the second suspension arm of the first plurality of suspension arms of the first rear suspension, the elongated fastener of the fifth connection passes through an opening in the third suspension arm of the first plurality of suspension arms of the first rear suspension, the elongated fastener of the ninth connection passes through an opening in the second suspension arm of the second plurality of suspension arms of the second rear suspension, the elongated fastener of the tenth connection passes through an opening in the third suspension arm of the second plurality of suspension arms of the second rear suspension.

8. The vehicle of claim 7, wherein the second suspension arm of the first plurality of suspension arms of the first rear suspension is moveably coupled to the first ground engaging member through an eleventh connection, the third suspension arm of the first plurality of suspension arms of the first rear suspension is moveably coupled to the first ground engaging member through a twelfth connection, and the fourth suspension arm of the first plurality of suspension arms of the first rear suspension is moveably coupled to the first ground engaging member through a thirteenth connection, the twelfth connection being independent of the eleventh connection, the thirteenth connection being independent of the eleventh connection, and the thirteenth connection being independent of the twelfth connection.

9. The vehicle of claim 7, wherein the eleventh connection includes a first elongated fastener which passes through a second opening in the second suspension arm of the first plurality of suspension arms of the first rear suspension and the twelfth connection includes a first elongated fastener which passes through a second opening in the third suspension arm of the first plurality of suspension arms of the first rear suspension and wherein the elongated fastener of the fourth connection, the elongated fastener of the fifth connection, the elongated fastener of the eleventh connection, and the elongated fastener of the twelfth connection each have a longitudinally extending axis.

10. The vehicle of claim 9, wherein both the eleventh connection and the twelfth connection are positioned laterally to a first side of the thirteenth connection.

11. The vehicle of claim 7, wherein both the eleventh connection and the twelfth connection are positioned laterally to a first side of the thirteenth connection.

12. The vehicle of claim 11, wherein the first half shaft is positioned vertically lower than the third suspension arm and the first half shaft is positioned vertically higher than the second suspension arm.

13. The vehicle of claim 7, wherein both the eleventh connection and the twelfth connection are positioned laterally to a first side of the second connection.

14. The vehicle of claim 1, wherein a boundary around the internal combustion engine, the CVT, and the shiftable transmission includes

the first suspension arm of the first plurality of suspension arms of the first rear suspension on the first side of the vehicle longitudinal centerline plane;

the first suspension arm of the second plurality of suspension arms of the second rear suspension on the second side of the vehicle longitudinal centerline plane;

the first connection of the first suspension arm of the first plurality of suspension arms of the first rear suspension forward of the internal combustion engine, the CVT, and the shiftable transmission; and

the second suspension arm of the first plurality of suspension arms of the first rear suspension and the second suspension arm of the second plurality of suspension arms of the second rear suspension rearward of the internal combustion engine, the CVT, and the shiftable transmission.

15. The vehicle of claim 14, further comprising a front drive shaft which is operatively coupled to the internal combustion power source and transfers power to the third half shaft and the fourth half shaft, the front drive shaft extending from within the boundary to outside of the boundary.

16. The vehicle of claim 1, wherein a boundary around the internal combustion engine, the CVT, and the shiftable transmission includes

the first suspension arm of the first plurality of suspension arms of the first rear suspension on the first side of the vehicle longitudinal centerline plane;

the first suspension arm of the second plurality of suspension arms of the second rear suspension on the second side of the vehicle longitudinal centerline plane;

a sway bar coupled to the first rear suspension and to the second rear suspension forward of the internal combustion engine, the CVT, and the shiftable transmission; and

the second suspension arm of the first plurality of suspension arms of the first rear suspension and the second suspension arm of the second plurality of suspension arms of the second rear suspension rearward of the internal combustion engine, the CVT, and the shiftable transmission.

17. The vehicle of claim 16, further comprising a front drive shaft which is operatively coupled to the internal combustion power source and transfers power to the third half shaft and the fourth half shaft, the front drive shaft extending from within the boundary to outside of the boundary.