WO2011099959A1 - Motoneige - Google Patents

Motoneige Download PDF

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Publication number
WO2011099959A1
WO2011099959A1 PCT/US2010/003207 US2010003207W WO2011099959A1 WO 2011099959 A1 WO2011099959 A1 WO 2011099959A1 US 2010003207 W US2010003207 W US 2010003207W WO 2011099959 A1 WO2011099959 A1 WO 2011099959A1
Authority
WO
WIPO (PCT)
Prior art keywords
frame
snowmobile
shroud
assembly
coupling
Prior art date
Application number
PCT/US2010/003207
Other languages
English (en)
Inventor
Jeffrey D. Conn
Andrew J. Mills
Dustin A. Mertens
Anthony J. Ripley
Lyle J. Dahlgren
Martin E. Sampson
Original Assignee
Polaris Industries Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Polaris Industries Inc. filed Critical Polaris Industries Inc.
Priority to RU2012137200/11A priority Critical patent/RU2560205C2/ru
Priority to CA2788551A priority patent/CA2788551C/fr
Priority to EP10803531A priority patent/EP2534036A1/fr
Publication of WO2011099959A1 publication Critical patent/WO2011099959A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M27/00—Propulsion devices for sledges or the like
    • B62M27/02—Propulsion devices for sledges or the like power driven
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
    • B62J25/00—Foot-rests; Knee grips; Passenger hand-grips
    • B62J25/04—Floor-type foot rests
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M27/00—Propulsion devices for sledges or the like
    • B62M27/02—Propulsion devices for sledges or the like power driven
    • B62M2027/026—Snow mobiles characterised by the suspension means

Definitions

  • the present invention generally relates to snowmobiles. More particularly, the present invention relates to the components of a snowmobile such as the frame, suspension, running boards and various other assemblies.
  • snowmobiles there are a variety of configurations of snowmobiles available for applications such as deep snow, high performance, luxury touring, trail riding, etc.
  • Most snowmobiles include a frame, a power train, a pair of front skis, and an endless belt assembly.
  • features such as engine displacement and track length vary depending upon the specific application for which the snowmobile is targeted.
  • snowmobiles designed primarily for deep snow application may include an endless belt assembly having a longer track length, i.e. 166 inches (4.2 meters), than a snowmobile designed primarily for trail riding, i.e. 135 inches (3.4 meters).
  • a snowmobile designed for deep snow may also include a relatively large
  • One illustrative embodiment of the present invention includes a snowmobile comprising a frame, a power train supported by the frame; a running board assembly supported by the frame and comprising a toe clip, a front wall and a foot tread; and a shroud laterally encompassing the toe clip and the back wall, with the toe clip extending rearwardly, beyond a rear edge of the shroud.
  • Another illustrative embodiment of the present invention includes a frame; a power train supported by the frame; a running board assembly supported by the frame and comprising a toe clip, a front wall and a foot tread; and a shroud laterally
  • FIG. 1 is a front perspective view of an illustrative embodiment of a snowmobile
  • Fig. 2 is a rear perspective view of the embodiment shown in FIG. 1 ;
  • Fig. 3 is a side view of the left hand side of the embodiment shown in FIG. 1 ;
  • Fig. 4 is a side view of the right side of the embodiment shown in FIG. 1 ;
  • Fig. 5 is a top view of the embodiment shown in FIG. 1 ;
  • Fig. 6 is a front view of the embodiment shown in FIG. 1 ;
  • Fig. 7 is a rear view of the embodiment shown in FIG. 1 ;
  • Fig. 8 is a bottom view of the embodiment shown in FIG. 1 ;
  • Fig. 9 is an enlarged view of the running board assembly of the embodiment shown in FIG. 1 ;
  • FIG. 10 is an enlarged view of the foot tread of the embodiment shown in FIG. 1 ;
  • FIG. 11 is an enlarged side view of a front portion of the running board
  • FIG. 12 is an exploded view of the tunnel;
  • FIG. 13 is an enlarged view of the rear snow flap;
  • FIG. 14 is a partial front perspective view of the snowmobile with the front body removed;
  • FIG. 15 is an enlarged front perspective of the front frame
  • FIG. 16 is a front perspective of the cast frame member;
  • FIG. 17 is an underside perspective view of the cast frame member of FIG. 16;
  • FIG. 18 is a rear view of the cast frame member
  • FIG. 19 is a front perspective view of the steering assembly
  • FIG. 20 is a side view of the steering assembly mounted to the cast frame member of FIG. 16;
  • FIG. 21 is a side perspective view of a heat shield member mounted to an inside of the body panel;
  • FIG. 22 is an exploded perspective view of the air intake system
  • FIG. 23 is a side showing the suspension system removed from the tunnel; and FIG. 24 shows an exploded view of a rear bumper.
  • Snowmobile 10 includes a frame 12, supported by front skis 14 and by endless belt assembly 16.
  • Front skis are coupled to a front suspension 18, and endless belt assembly is supported by a rear suspension 20.
  • Snowmobile also includes a seat assembly 22, front outer body 24, and a steering assembly 26.
  • Steering assembly 26 is operably coupled to steering arms 28 (FIG. 2) which allows a rider to steer snowmobile 10.
  • a power train is covered by outer body 24 and provides power to endless belt assembly 16.
  • Running board assemblies 32 extend along the sides of the seat assembly which are supported by the frame 12.
  • a snow flap 34 (FIG. 2) is also supported by the frame rearward of the endless belt.
  • frame 12 includes a tunnel 40 having a top wall 42 and side walls 44.
  • endless belt 16 at least partially runs up into tunnel 40 between side walls 44 and upwardly towards top wall 42.
  • running board assemblies 32 include a rider's foot grip assembly 50 (FIG. 4) and a foot tread assembly 52, where the foot grip assembly 50 and foot tread assembly 52 are supported by the tunnel sidewall 44.
  • the tunnel 40 also include a plurality of cutout portions 46 which reduce the material in locations where fasteners are not needed. These cutouts 46 help to reduce the weight of the entire vehicle.
  • the surface to which sidewalls 44 abut also include notches but complement notches 46 such that the notches do not overlap. Other cutouts could be provided elsewhere as well.
  • the foot grip assembly 50 is shown in greater detail.
  • Foot grip assembly 50 includes frame member 100 which extends over the top wall 42 of tunnel 40, having a first portion 102 extending downwardly and away from the tunnel, and a second portion 104 extending downwardly and reversely bent towards the tunnel. The end of portion 104 is flattened and includes a flange at 106. Foot grip assembly 50 further includes a tube portion 110 which is fastened to the side of the tunnel and connected to frame portion 100 for example, by welding. A toe clip 1 12 extends between frame member 1 10 and frame portion 102. Finally, foot grip assembly 50 includes a back wall 1 14 attached at marginal edges 1 15 and 1 6, and comprises plural slotted openings 118. With reference to FIGS.
  • foot tread assembly 52 is comprised of an elongate frame member 122 and running board plate 124.
  • Elongate frame member 122 is comprised of a tube 126 and a frame bracket 128.
  • frame bracket 128 is discreet from tube 126.
  • Bracket 128 includes a bracket foot 130 which extends into tube 26 and a bracket arm 132 for attachment to flange 106.
  • Bracket foot 130 may be attached to tube 126 by way of fasteners, welding or adhesives, or a combination thereof.
  • the flattened surfaces of flanges 106 and bracket arms 132 are positioned back to back and attached by way of fasteners 134 (FIG. 9).
  • running board plate 124 is comprised of a plate portion 140 having a lip 142 positioned and attached to elongate tube member 126 as shown.
  • the opposite side of the plate portion 140 has a marginal edge 144 which is attached to the tunnel side wall 44.
  • the running board plate 124 is integral with the tunnel side wall 44, however this connection could also be by fastening, such as by welding, adhesives or riveting.
  • the running board plate 124 further includes a plurality of upturned embossments 150 (FIG.
  • each of the upturned embossments 150 is an opening 156, of reverse triangular shape, where the embossments 150 rigidity the plate portion 140 whereas openings 156 maximize the open area of the foot tread to allow snow to drop downwardly therethrough. This provides a smooth bottom surface to plate portion 140, having no interference with the snow.
  • an enlarged ventilation area is defined by the spacing at 160 and within the slots 118.
  • the longitudinal disposition of the flanges 106 and 132 as described above also maximizes the ventilation area 160, particularly for the removal heat from the engine compartment as described herein.
  • an outer shroud 180 covers foot grip assembly 50 and includes a shroud portion 182 which encompasses portions 102 and 104 of frame tube 100.
  • Shroud 180 also includes a rear edge 184 (FIG. 11) which is proximate to back wall 162.
  • toe clip 1 12 extends rearwardly beyond rear edge 184 of shroud 180 which provides easy access for the rider to place their boot in the toe clip, yet prevents forming a pocket into which snow may accumulate and pack.
  • the forward angle of edge 84 allows a rider's foot to position sideways, overlapping the foot tread assembly 52, and yet stay retained behind foot grip assembly 50.
  • snow flap 34 is shown in an enlarged view.
  • Snow flap 34 is hingedly mounted to the tunnel 40 along a rear edge 190.
  • the snow flap 34 includes a plurality of apertures 192 which reduces the overall weight of the component. These could be machined or molded in.
  • the outer body 24 has been removed which better exposes the engine compartment 200, the steering assembly 26, the frame front portion 202, and the power train 204.
  • the power train 204 includes an engine 206 having an exhaust system 208, an intake system 210 and a drive system including a CVT 212.
  • the ventilation area 160 was defined around the foot grip area, and this allows the CVT ventilation to exhaust through ventilation area
  • Front portion 202 of the frame is shown in greater detail.
  • Front portion 202 includes a cast coupling or connector 220 configured to attach plural frame tubes, namely front frame tubes 222, 224 and rear frame tubes 226 and 228 thereto.
  • the frame tubes 222, 224, 226, 228 may be attached to the cast coupling 220 by way of fasteners such as 230 and/or may be adhesively fixed to the cast coupling 220.
  • the cast coupling 220 further includes two support webs 232 and 234. Each of the webs is provided with threaded apertures, for example, 236 and 238.
  • a steering post 260 of steering assembly 26 is directly coupled to webs 232 and 234 of the cast coupling 220, as described herein.
  • Cast coupling 220 further includes a first circular channel (FIG. 16) defined by portions 240 and 242 having threaded bosses 244 extending downwardly
  • a second circular channel is defined by portions 246 and 248 having threaded bosses 250 therein.
  • the circular channels are intersected by cylindrical members 252 and 254.
  • frame tubes 222 and 224 are positioned across the circular channels with fasteners such as 230 positioned through the frame tubes 222, 224 and into the threaded bosses 244, 250. Adhesive may also be applied.
  • frame tubes 226 and 228 are positioned in the cylindrical members 252 and 254, and may also be fixed in place by way of fasteners and adhesive.
  • cast coupling 220 includes machined mounting surfaces 232A and 234A on the backside of the webs 232 and 234, respectively, for mounting the steering post as described below. Finally as best shown in FIG. 17, cast coupling 220 includes an integral fuel tank mounting tab shown at 258.
  • steering post 260 includes an upper and lower bearing posts 270 and 272 which attach to the backside of the webs 232, 234 respectively, with fasteners being attached to threaded apertures 236 and 238, respectively. This rigidly connects the steering post 260 to the cast coupling 220 yet allows the steering post to pivot about the corresponding bushings 270 and 272. As also shown, handlebars 276 of steering assembly 26 are attached to the steering post 260 by way of a clamp at 278.
  • Steering assembly 26 further comprises a lower steering post 280 which is operatively coupled to steering post 260 by way of respective link arms 282, 284, connected together by way of a link 286.
  • Lower steering post 280 is ultimately connected to steering arms 28 by way of a further steering arm, not shown, to maneuver the steering skis 14.
  • steering assembly 26 is shown mounted to the backside of cast coupling 220 with the bushings 270, 272 (FIG. 19) mounted to the surfaces 232A, 234A (FIG. 18), respectively.
  • steering post 260 is nearly vertical and could be in the range where angle 0 could be between 0 and 15 degrees and as shown is about 13 degrees.
  • the ergonomics is improved for the deep snow rider.
  • FIG. 20 also shows a fuel tank 258 having a front end positioned adjacent to the integral fuel tank mounting tab 256 to retain a front end of the fuel tank 258.
  • Fuel tank 258 may be attached to tab 256 through fasteners, or fuel tank could have a molded slot to be applied over tab 256.
  • front side panel 300 (see also FIG. 4) on the right hand side of the snowmobile is provided with sound insulation 302 as well as a heat shield 304.
  • the foam includes a front surface 306, a back surface 308, and a plurality of cutouts 310 extending between the front and back surface.
  • Heat shield 304 includes a plate 320 having a plurality of mounting feet 322 which correspond in location to the apertures 310.
  • An adhesive is provided against the back surface 308 to retain sound insulation to the inside surface of the panel 300.
  • Heat shield 304 can be placed with the feet 322 aligned with the associated apertures 310 and pressed against the foam 302 until the feet contact the adhesive, through the apertures, which retains the heat shield to the foam member 302.
  • the adhesive could be a double-sided sticky tape, double sided foam tape, or any other adhesive for the purposed described.
  • air inlet 210 (FIG. 15) is shown in greater detail as comprised of inlet housing 350, retainer housing 352 and sound-deadening foam 354.
  • Housing 350 is generally rectangular having a plurality of apertures 356 extending therethrough, where the rectangular housing has a front wall 360, sidewall 362 opposite side wall 366 and rear wall 368.
  • Retainer 352 includes a front wall 370, sidewall 372 having lugs 374, opposite sidewall 376 and a partial rear wall 378.
  • Sound-deadening foam 354 generally includes a foam body portion 380 having locating apertures at 382.
  • the foam 354 is positioned on an inside of the retainer member 352 with lugs 374 aligned with apertures 382 of the foam 354.
  • the retainer and foam together are then snapped around housing 350 with the front wall 370 of retainer 352 positioned against front wall 360 of housing 350, sidewalls 372 and 376 positioned adjacent to corresponding sidewalls 362 and 366, respectively, and with partial wall 378 at retainer 352 positioned against back wall 368.
  • the retainer 352 and housing 350 can be held together by way of corresponding latch members such as lug 390 and aperture 392 to retain the two components together.
  • This provides an easy to assemble two component intake system 210 having an internal housing 350 and a retainer housing 352 whereby air traveling through the intake system can be sound-deadened by foam member 354.
  • Suspension 20 includes a frame 400 having laterally spaced frame rails 402 with slide rails 404 attached thereto.
  • Suspension 20 includes two coil over shocks 406 and 408 providing dampening between the tunnel 40 and frame 400.
  • a track roller 410 is mounted on the outside of the slide rail 402, and as shown, has an outer radial surface 412 which extends beyond lower surface 414 of slider 404. Track rollers 410 are located at a position proximate a maximum pressure point between the sliders 404 and track (absent the track wheel) which allows the track a slight spacing between the sliders 404 preventing substantial frictional heating.
  • Suspension 20 also includes idler rollers 420 and 422.
  • Scratchers 426 are also provided on the side of frame 404 to break up crusted snow in order that the track can throw snow against the underside of tunnel 40, as the tunnel includes a heat exchanger for engine water.
  • a rear bumper assembly 450 including a rear bumper member 452 and side brackets 454.
  • Bumper member 452 is comprised of a carbon fiber material and as best shown in FIG. 24 has an outer diameter 456, an inner diameter 458, and apertures 460.
  • Side brackets 454 are comprised of an extruded aluminum and include apertures 462 for mounting the side brackets to tunnel 40 by way of fasteners 464 (FIG. 13). As shown, extruded brackets 454 have extruded openings at 466 and apertures 468 which extend into openings 466.
  • a cap 470 is also provided having a lip 472, and a reduced diameter portion 474 having apertures 476.
  • bumper member 452 is positioned in openings 466 of extruded members 454.
  • Caps 470 are positioned with diameter portions 474 within inner diameter 458 and with the lips 472 against the extruded side bracket 454, with apertures 460 and 476 aligned.
  • Fasteners 480 are then placed through the extruded members 454, bumper member 452 and cap 470 to retain the bumper member thereto.
  • Fasteners 464 could be set screws, bolts, rivets or any similar fastening device, although as shown, fasteners 480 are rivets.
  • snow flap 34 includes a stop member 490 integrally molded with the flap which has an upper stop surface 492 which abuts against the bumper member 452.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

La présente invention porte de façon générale sur des motoneiges. Plus particulièrement, la présente invention concerne les composants d'une motoneige (10) tels que le châssis (12), les patins (32) et divers autres ensembles.
PCT/US2010/003207 2010-02-08 2010-12-16 Motoneige WO2011099959A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
RU2012137200/11A RU2560205C2 (ru) 2010-02-08 2010-12-16 Снегоход
CA2788551A CA2788551C (fr) 2010-02-08 2010-12-16 Motoneige
EP10803531A EP2534036A1 (fr) 2010-02-09 2010-12-16 Motoneige

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US33767610P 2010-02-09 2010-02-09
US61/337,676 2010-02-09

Publications (1)

Publication Number Publication Date
WO2011099959A1 true WO2011099959A1 (fr) 2011-08-18

Family

ID=43629996

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2010/003207 WO2011099959A1 (fr) 2010-02-08 2010-12-16 Motoneige

Country Status (2)

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EP (1) EP2534036A1 (fr)
WO (1) WO2011099959A1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013119958A3 (fr) * 2012-02-09 2013-11-14 Polaris Industries Inc. Motoneige
US9506407B2 (en) 2014-01-10 2016-11-29 Polaris Industries Inc. Engine having active exhaust valve position control system and method
RU168245U1 (ru) * 2016-04-20 2017-01-25 Общество с ограниченной ответственностью "ВЕЛОМОТОРС"/ООО "ВЕЛОМОТОРС" Подвеска гусеницы снегохода
US9809195B2 (en) 2008-10-10 2017-11-07 Polaris Industries Inc. Snowmobile
US9845004B2 (en) 2014-01-10 2017-12-19 Polaris Industries Inc. Snowmobile
US10358187B2 (en) 2014-01-10 2019-07-23 Polaris Industries Inc. Snowmobile
US10493846B2 (en) 2007-05-16 2019-12-03 Polaris Industries Inc. All terrain vehicle
US10793181B2 (en) 2018-02-13 2020-10-06 Polaris Industries Inc. All-terrain vehicle

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040104062A1 (en) * 2002-12-02 2004-06-03 Yvon Bedard Side panel for a snowmobile
US20050034909A1 (en) * 2003-08-11 2005-02-17 Bombardier Nordtrac Oy. Adjustable snowmobile footholds
US20050039962A1 (en) * 2003-08-22 2005-02-24 Bombardier Recreational Products Inc. Snow removal flap
US20070284171A1 (en) * 2006-06-09 2007-12-13 Yamaha Hatsudoki Kabushiki Kaisha Snowmobile
WO2008060265A2 (fr) * 2006-09-18 2008-05-22 Polaris Industries Inc. Véhicules ergonomiques ajustables
US7533749B1 (en) * 2006-08-09 2009-05-19 Polaris Industries Inc. Integral tunnel heat exchanger for a snowmobile
WO2009114414A1 (fr) * 2008-03-07 2009-09-17 Polaris Industries Inc. Motoneige

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040104062A1 (en) * 2002-12-02 2004-06-03 Yvon Bedard Side panel for a snowmobile
US20050034909A1 (en) * 2003-08-11 2005-02-17 Bombardier Nordtrac Oy. Adjustable snowmobile footholds
US20050039962A1 (en) * 2003-08-22 2005-02-24 Bombardier Recreational Products Inc. Snow removal flap
US20070284171A1 (en) * 2006-06-09 2007-12-13 Yamaha Hatsudoki Kabushiki Kaisha Snowmobile
US7533749B1 (en) * 2006-08-09 2009-05-19 Polaris Industries Inc. Integral tunnel heat exchanger for a snowmobile
WO2008060265A2 (fr) * 2006-09-18 2008-05-22 Polaris Industries Inc. Véhicules ergonomiques ajustables
WO2009114414A1 (fr) * 2008-03-07 2009-09-17 Polaris Industries Inc. Motoneige

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10493846B2 (en) 2007-05-16 2019-12-03 Polaris Industries Inc. All terrain vehicle
US10974595B2 (en) 2007-05-16 2021-04-13 Polaris Industries Inc. All terrain vehicle
US11772601B2 (en) 2008-10-10 2023-10-03 Polaris Industries Inc. Vehicle security system
US9809195B2 (en) 2008-10-10 2017-11-07 Polaris Industries Inc. Snowmobile
US9096289B2 (en) 2012-02-09 2015-08-04 Polaris Industries Inc. Snowmobile
US9540072B2 (en) 2012-02-09 2017-01-10 Polaris Industries Inc. Snowmobile
US11505263B2 (en) 2012-02-09 2022-11-22 Polaris Industries Inc. Snowmobile
WO2013119958A3 (fr) * 2012-02-09 2013-11-14 Polaris Industries Inc. Motoneige
US9845004B2 (en) 2014-01-10 2017-12-19 Polaris Industries Inc. Snowmobile
US10358187B2 (en) 2014-01-10 2019-07-23 Polaris Industries Inc. Snowmobile
US11286019B2 (en) 2014-01-10 2022-03-29 Polaris Industries Inc. Snowmobile
US9506407B2 (en) 2014-01-10 2016-11-29 Polaris Industries Inc. Engine having active exhaust valve position control system and method
RU168245U1 (ru) * 2016-04-20 2017-01-25 Общество с ограниченной ответственностью "ВЕЛОМОТОРС"/ООО "ВЕЛОМОТОРС" Подвеска гусеницы снегохода
US10793181B2 (en) 2018-02-13 2020-10-06 Polaris Industries Inc. All-terrain vehicle

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