WO2006073401A1 - Multiple rear drive axles with common gearing - Google Patents
Multiple rear drive axles with common gearing Download PDFInfo
- Publication number
- WO2006073401A1 WO2006073401A1 PCT/US2005/000331 US2005000331W WO2006073401A1 WO 2006073401 A1 WO2006073401 A1 WO 2006073401A1 US 2005000331 W US2005000331 W US 2005000331W WO 2006073401 A1 WO2006073401 A1 WO 2006073401A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- axle
- power
- input
- rear drive
- vehicle
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/34—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles
- B60K17/344—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having a transfer gear
Definitions
- the present invention is generally directed to wheel drive systems for a motor vehicle. More particularly, the present invention is related a multiple rear drive axle that utilizes axle carriers with common primary gearing for all axle carriers.
- U.S. Patent No. 2,120,594 is directed to an automotive double reduction driving axle including bevel gearing of a first reduction and spiral gearing for a second reduction.
- U.S. Patent No. 1 ,845,318 is directed to a double reduction tandem rear drive axle with a bevel gear reduction ahead of a spur gear reduction.
- Bevel gear and spur pinion are formed integral on a common shaft.
- the bevel gear and spur pinion are disposed above the final gear.
- a differential mechanism delivers power from final gear to the axle.
- U.S. Patent No. 1 ,906,613 describes a double reduction tandem rear drive axle with a bevel gear reduction ahead of a spur gear reduction. Bevel gear and spur pinion are formed integral on a common shaft. The bevel gear and spur pinion are disposed above the final gear. A differential mechanism delivers power from final gear to each driving axle. A two piece input pinion is used and supported in a straddle mounted configuration.
- U.S. Patent No. 5,267,489 describes an automotive driving axle that includes a drive shaft, linked to a counter shaft via gearing. Sharing the counter shaft is a drive pinion which links at 90 degrees with axle ring gear to drive the vehicle wheels.
- U.S. Patent No. 5,370,018 is directed to an internally vented interaxle differential assembly.
- This patent discloses an axle gear configuration having a spur gear set connecting the drive shaft to a counter shaft, which in turn uses bevel gearing to drive the vehicle wheels.
- a multiple axle drive system that produces a maximum number of different multiple drive axle ratios with a minimum number of gears.
- common gearing is provided between each axle.
- a multiple rear drive axle system for a vehicle includes a first axle coupled with a drive shaft from a transmission of the vehicle.
- the first axle includes a first cantilevered input pinion mechanically coupled with the drive shaft and with a first driven gear.
- the first driven gear is coupled with a power delivery system (e.g., single, multiple reduction) to deliver power to wheels of the vehicle.
- the first axle also includes an output shaft mechanically coupled with the drive shaft.
- the system also includes at least a second axle having a second cantilevered input pinion mechanically coupled with the output shaft of the first axle and with a second driven gear.
- the second driven gear is coupled with a second power delivery system to deliver power to wheels of the vehicle.
- the first and second input pinions are common, i.e., are substantially identical pinions.
- the first and second driven gears are also common, i.e., are substantially identical gears.
- a multiple rear drive axle system for a vehicle includes a first axle having a first common input means for delivering power from a drive shaft from a transmission of the vehicle to a first common driven gear means for delivering power to a first wheel power delivery means for delivery power to wheels of the vehicle.
- the first axle further comprises output means for delivering power from the drive shaft to an input of a second axle.
- the second axle has a second common input means for delivering power from the output means of the first axle to a second common driven gear means for delivering power to a second wheel power delivery means for delivery power to wheels of the vehicle.
- Figure 1 is a schematic of a multiple rear axle drive system according to an embodiment of the present invention.
- Figure 2 is a schematic of a forward portion of a multiple rear axle drive system according to an embodiment of the present invention
- Figure 3 is a schematic of a rear portion of a multiple rear axle drive system according to an embodiment of the present invention.
- Figure 4 is a schematic of a multiple rear axle system having three axles according to an embodiment of the present invention.
- Fig. 1 is a schematic of a multiple rear drive axle system with common gearing according to an embodiment of the present invention.
- Drive system 100 includes a plurality of axles.
- a forward driving axle 102a and a rear driving axle 103 are shown, but there is no limit to the number of axles in system 100.
- the forward driving axle 102a includes a common one piece cantilevered input gear 106a coupled with an input drive shaft (not shown) by a coupling 104a.
- coupling 104a may be, e.g., a universal coupling.
- the input gear 106a (pinion) drives a common driven gear 108a coupled to a power delivery system (not shown) which powers to the wheels of the vehicle.
- a power delivery system (not shown) which powers to the wheels of the vehicle.
- Such systems for delivering power to the wheels are well known in art and could include a gear driving system, differentials, multiple gear reduction drive system, chains, belts and solid connectors.
- An output shaft 110a connects to another output coupling 112a, which in turn, is connected to the next axle 103 by an intermediate shaft 140 to the coupling 104b.
- Forward driving axle system 102a can include a gear differential 114a which can be lubricated by an oil pump, such as an Archimedean pump 116a on the shaft 110a.
- the shaft 110a should include a sleeve for delivery of oil to the differential.
- the shaft 110a is preferably a through-shaft which couples with the differential 114a directly (and not the pinion).
- a differential may not be necessary for each axle, depending upon vehicle application.
- at least one gear differential 114 is provided for each axle (102n) except the last axle 103.
- a third intermediate axle would be substantially identical to the first axle 102a. Therefore, as additional intermediate axles are added, each intermediate axle (102b...102n) will be substantially identical to the first axle 102a. Only the last axle 103 would normally be different.
- Common input gear 106a is cantilevered from a bearing system 118a, which are preferably roller bearings, and is preferably a one-piece pinion.
- Common input gear 106a should be the same gear (pinion) as the input gear used in each additional axle (i.e., 106b, 106c...106n).
- the common driven gear 108a should be the same gear as the driven gear used in each additional axle (i.e., 108b, 108c...108n).
- a common gearing system exists between each axle 102a, 102b... 102n, 103.
- the last axle in the multiple-axle system is designated by "103" only because it preferably does not include unnecessary components such as an output shaft or differential.
- Figs. 2 and 3 show the forward rear and rear rear drive axles respectively of a dual reduction tandem rear dive axle according to another embodiment of the present invention. Similar to the system 100 of Fig. 1 , a universal joint 204 is coupled with a drive shaft (not shown) from the vehicle transmission (not shown). A first ball bearing system 218 supports the shaft 210 on which a cantilevered bevel pinion 206, which acts as the input gear to the forward rear axle 202. A bevel gear 208 (common driven gear) is driven by the bevel pinion 206.
- the forward rear axle 202 also can include a differential 214 and an Archimedean pump 216.
- the shaft 210 is connected to a universal coupling 212.
- the universal coupling 212 is connected to the rear rear axle (shown in Fig. 3).
- a helical double-reduction system is shown in Figs. 2-3 for delivering power to the vehicle wheels, but the present invention is not limited to this system.
- Driven bevel gear 208 is coupled with a helical pinion 220 which drives a helical gear 222, which delivers power to the wheels.
- the helical gear 222 includes a gear differential 224. This dual reduction system provides for improved drive line angles and other advantages.
- Fig. 3 shows the rear rear axle 302, which is coupled with the forward rear axle 202 by a universal joint or the like with coupling 304. All the components of rear rear axle 302 are the same as in the forward rear axle 202 except that the gear differential 214 and its accessories are not required in the rear rear axle system. Note that input pinions 206 and 306 are preferably the same make and model pinions (i.e., identical parts), and that driven gears 208 and 308 are also the same make and model gears, creating a common gearing system for both axles. [0025] Fig. 4 shows a triaxle system according to an embodiment of the present invention.
- the triaxle system 400 includes three (3) axles, a first axle 102a, a second axle 102b, and third axle 103.
- Each of the three (3) axles is substantially similar, however, the last axle 103 does not require an output shaft 110 or output coupling 112, and as shown, the last axle 103 also does not include a differential 114.
- the last axle 103 could be configured the same as any of the other axles 102a to 102b(n), but since the last axle 103 does not need any output to drive other rear axles, these components are unnecessary.
- Each of the axles 102a, 102b, 103 share common gearing. That is, input pinions 106a to 106c are substantially identical, and drive gears 108a to 108c are also substantially identical.
- Each axle 102a, 102b and 103 is shown as having a direct coupling with the vehicle wheels 402a to 402c.
- any power delivery system could be incorporated into the axles for driving the vehicle wheels. For example, a single reduction, double reduction, or a differential coupling, for example, could be employed.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Arrangement And Driving Of Transmission Devices (AREA)
- Retarders (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
MX2007008203A MX2007008203A (en) | 2005-01-07 | 2005-01-07 | Multiple rear drive axles with common gearing. |
AU2005323539A AU2005323539B2 (en) | 2005-01-07 | 2005-01-07 | Multiple rear drive axles with common gearing |
PCT/US2005/000331 WO2006073401A1 (en) | 2005-01-07 | 2005-01-07 | Multiple rear drive axles with common gearing |
CA002593804A CA2593804A1 (en) | 2005-01-07 | 2005-01-07 | Multiple rear drive axles with common gearing |
US11/825,432 US7520834B2 (en) | 2005-01-07 | 2007-07-06 | Multiple rear drive axles with common gearing |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/US2005/000331 WO2006073401A1 (en) | 2005-01-07 | 2005-01-07 | Multiple rear drive axles with common gearing |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/825,432 Continuation US7520834B2 (en) | 2005-01-07 | 2007-07-06 | Multiple rear drive axles with common gearing |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006073401A1 true WO2006073401A1 (en) | 2006-07-13 |
Family
ID=36647791
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2005/000331 WO2006073401A1 (en) | 2005-01-07 | 2005-01-07 | Multiple rear drive axles with common gearing |
Country Status (4)
Country | Link |
---|---|
AU (1) | AU2005323539B2 (en) |
CA (1) | CA2593804A1 (en) |
MX (1) | MX2007008203A (en) |
WO (1) | WO2006073401A1 (en) |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2166099A (en) * | 1937-12-23 | 1939-07-11 | Orpheus F Quartullo | Multiple-axle drive |
US2603108A (en) * | 1950-06-05 | 1952-07-15 | Eaton Mfg Co | Multiple axle drive |
US2936036A (en) * | 1958-06-09 | 1960-05-10 | Allis Chalmers Mfg Co | Multiple wheel drive mechanism |
US3388760A (en) * | 1965-12-06 | 1968-06-18 | Eaton Yale & Towne | Tandem axle mechanism with locking type differential |
US4432431A (en) * | 1981-08-07 | 1984-02-21 | Eaton Corporation | Change speed multiple axle shift lock out |
US4823897A (en) * | 1986-11-04 | 1989-04-25 | Daimler-Benz Aktiengesellschaft | Drive arrangement for all-wheel drive vehicles |
US4977972A (en) * | 1989-01-03 | 1990-12-18 | Eaton Corporation | Tridem drive axle system |
US5950750A (en) * | 1997-09-16 | 1999-09-14 | Chrysler Corporation | Drive arrangement for a motor vehicle |
US6877573B2 (en) * | 1999-12-21 | 2005-04-12 | Toshiyuki Hasegawa | Multi-wheel-driving vehicle |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4887487A (en) * | 1988-05-03 | 1989-12-19 | Charles D. Johnson | Hydro-planetary power division system |
-
2005
- 2005-01-07 CA CA002593804A patent/CA2593804A1/en not_active Abandoned
- 2005-01-07 AU AU2005323539A patent/AU2005323539B2/en active Active
- 2005-01-07 MX MX2007008203A patent/MX2007008203A/en active IP Right Grant
- 2005-01-07 WO PCT/US2005/000331 patent/WO2006073401A1/en active Application Filing
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2166099A (en) * | 1937-12-23 | 1939-07-11 | Orpheus F Quartullo | Multiple-axle drive |
US2603108A (en) * | 1950-06-05 | 1952-07-15 | Eaton Mfg Co | Multiple axle drive |
US2936036A (en) * | 1958-06-09 | 1960-05-10 | Allis Chalmers Mfg Co | Multiple wheel drive mechanism |
US3388760A (en) * | 1965-12-06 | 1968-06-18 | Eaton Yale & Towne | Tandem axle mechanism with locking type differential |
US4432431A (en) * | 1981-08-07 | 1984-02-21 | Eaton Corporation | Change speed multiple axle shift lock out |
US4823897A (en) * | 1986-11-04 | 1989-04-25 | Daimler-Benz Aktiengesellschaft | Drive arrangement for all-wheel drive vehicles |
US4977972A (en) * | 1989-01-03 | 1990-12-18 | Eaton Corporation | Tridem drive axle system |
US5950750A (en) * | 1997-09-16 | 1999-09-14 | Chrysler Corporation | Drive arrangement for a motor vehicle |
US6877573B2 (en) * | 1999-12-21 | 2005-04-12 | Toshiyuki Hasegawa | Multi-wheel-driving vehicle |
Also Published As
Publication number | Publication date |
---|---|
AU2005323539A2 (en) | 2006-07-13 |
AU2005323539B2 (en) | 2011-11-17 |
MX2007008203A (en) | 2007-08-16 |
CA2593804A1 (en) | 2006-07-13 |
AU2005323539A1 (en) | 2006-07-13 |
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