NL2010824C2 - A suspension system for a vehicle. - Google Patents

A suspension system for a vehicle. Download PDF

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Publication number
NL2010824C2
NL2010824C2 NL2010824A NL2010824A NL2010824C2 NL 2010824 C2 NL2010824 C2 NL 2010824C2 NL 2010824 A NL2010824 A NL 2010824A NL 2010824 A NL2010824 A NL 2010824A NL 2010824 C2 NL2010824 C2 NL 2010824C2
Authority
NL
Netherlands
Prior art keywords
level
suspension system
link
vehicle
coupling
Prior art date
Application number
NL2010824A
Other languages
Dutch (nl)
Inventor
Bram Grinten
Jeroen Canton
Sebastiaan Frederik Johan Flipsen
Gideon Mooij
Original Assignee
Univ Delft Tech
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 Univ Delft Tech filed Critical Univ Delft Tech
Priority to NL2010824A priority Critical patent/NL2010824C2/en
Priority to PCT/NL2014/050227 priority patent/WO2014185773A1/en
Application granted granted Critical
Publication of NL2010824C2 publication Critical patent/NL2010824C2/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G21/00—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces
    • B60G21/002—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces longitudinally
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G21/00—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces
    • B60G21/02—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected
    • B60G21/023—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected longitudinally
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G21/00—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces
    • B60G21/02—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected
    • B60G21/04—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K25/00—Axle suspensions
    • B62K25/04—Axle suspensions for mounting axles resiliently on cycle frame or fork
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/10—Mounting of suspension elements
    • B60G2204/15—Mounting of subframes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/10—Mounting of suspension elements
    • B60G2204/16—Mounting of vehicle body on chassis
    • B60G2204/162—Cabins, e.g. for trucks, tractors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/10—Mounting of suspension elements
    • B60G2204/17—Mounting of bogies, e.g. for trailers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
    • B60G2204/422—Links for mounting suspension elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2300/00—Indexing codes relating to the type of vehicle
    • B60G2300/12—Cycles; Motorcycles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2800/00—Indexing codes relating to the type of movement or to the condition of the vehicle and to the end result to be achieved by the control action
    • B60G2800/01—Attitude or posture control
    • B60G2800/014—Pitch; Nose dive

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Axle Suspensions And Sidecars For Cycles (AREA)

Abstract

A suspension system for a vehicle comprising front suspension linkage means which operatively connect to one or more front wheels, and rear suspension linkage means which operatively connect to one or more back wheels, wherein the front suspension linkage means and rear suspension linkage means are connected with each other through an intermediate frame, wherein the frame comprises horizontal links on a first level and on a second level, wherein the first level is above the second level and the link or links on the first level are connected with the link or links on the second level with arms that connect with the said links on the first level and on the second level with hinges, and that for any arm that connects to a link on the first level and with a link on the second level, the hinge connecting said arm to the link on the first level is at a greater distance from its neighboring hinges in the first level than the distance between the hinge connecting the same arm to the link on the second level and the neighboring hinges in the second level of said hinge at the second level.

Description

A suspension system for a vehicle
The invention relates to a suspension system for a vehicle comprising front suspension linkage means which operatively connect to one or more front wheels, and rear suspension linkage means which operatively connect to one or more back wheels, wherein the front suspension linkage means and rear suspension linkage means are connected with each other through an intermediate frame.
Such a suspension system is for instance known from US2010/0171282. According to this known prior art which relates basically to a motorcycle, the construction tends to tilt forwardly during acceleration and tilt rearwardly during hard deceleration, thereby retaining a significant load on the front wheel during acceleration and a significant load on the rear wheel during braking. This is opposite to the typical situation. A disadvantage is however that the construction is quite complicated and does not easily translate to applications in other motorized vehicles such as automobiles.
It is an objective of the invention to provide a suspension system in which the combination of driver (including possible other loads) and vehicle (exlusive its suspension and wheels) tilts forward when the vehicle accelerates, and tilts backwards when the vehicle decelerates, for instance during braking. It is an object of the invention to provide such means that can be applied in all types of vehicles and which can be easily tuned to the extent that this behavior is desired.
It is a further objective of the invention to make it possible that an automobile turning a corner will exhibit the behavior to tilt sideways to the center of rotation pertaining to such corner.
It is still a further objective of the invention to make riding a vehicle more comfortable in the sense that the rider of the vehicle is less exposed to inertia forces, such as sliding off the seat by an effective use of the sought for tilt of the suspension system.
Still another objective is that when the suspension system is applied to a vehicle that moves at constant speed, yet traverses an inclining or a declining surface, the incli-nation/declination of the surface is compensated at least in part by the tilting of the suspension system so as to contribute to the level of comfort experienced by the rider of the vehicle.
These and other objectives of the invention are provided by application of a suspension system in accordance with one or more of the appended claims.
To realize the benefits of the invention first and foremost the frame of the suspension system comprises horizontal links on a first level and on a second level, wherein the first level is above the second level and the link or links on the first level are connected with the link or links on the second level with arms that connect with the said links on the first level and on the second level with hinges, and that for any arm that connects to a link on the first level and with a link on the second level, the hinge connecting said arm to the link on the first level is at a greater distance from its neighboring hinges in the first level than the distance between the hinge connecting the same arm to the link on the second level and the neighboring hinges in the second level of said hinge at the second level. This construction of the suspension system according to the invention basically corresponds with an upside down trapezium, meaning that the basis of the trapezium is of shorter length than the roof of the trapezium. It is essential that the virtual or true trapezium has interconnected bars or links that connect to each other with hinges. The hinges provide flexibility to the frame of the suspension system and enables the frame to transfer any variation in the position of the front suspension linkage means with reference to the part of the frame to which it is connected to a corresponding variation in the position of the rear suspension linkage means with reference to the frame, and vice versa. In this manner the suspension system tends to maintain the frame as much as possible in a horizontal position, which improves the comfort of the driver and accords with the desired behavior during acceleration and deceleration. Likewise this behavior can be implemented in a four-wheel vehicle when turning corners; the front suspension linkage means and the rear suspension linkage means most than be understood as the left wheel suspension linkage means and the right wheel suspension linkage means.
It is possible that the horizontal links on the first level of the suspension system, that is the top level, are embodied as the frame supporting the driver. A simple and straightforward construction is however that the horizontal links on the first level and on the second level are bars.
It has proven beneficial that the link or links at the first level and/or second level are adjustable in length for varying the distance between the hinges on opposite sides of said link or links. This makes it easy to adjust the behavior of the suspension system to the desired needs, and thus have the suspension system act more sensitive or less sensitive to the actual driving conditions. It also enables to adjust the system to the weight of the driver and other users including their baggage.
The suspension system of the invention is beneficially applied with the vehicle being a motorcycle or a bicycle optionally provided with a motor. It is however also possible that the vehicle has three or four wheels, in the latter case two front wheels and two back wheels.
The invention will hereinafter be further elucidated with reference to a schematic drawing showing the principles of the invention.
In the drawing: -figure 1 schematically shows a minimal first embodiment of the suspension system of the invention; -figure 2 schematically shows a second embodiment of the suspension system of the invention; -figure 3 schematically shows a third embodiment of the suspension system of the invention intended for sideways stabilization; -figure 4 schematically shows a fourth embodiment of the suspension system of the invention with omnidirectional stabilization; - figure 5 shows the embodiment of figure 1 during acceleration; and -figure 6 shows a variation to the embodiment of figure 2 executed as a motrorcycle.
Whenever in the figures the same reference numerals are applied, these numerals refer to the same parts.
With reference first to figure 1 the basic principles of the invention are explained. In this figure 1 a suspension system for a vehicle 1 is shown comprising front suspension linkage means 2 which operatively connect to one or more front wheels 3, and rear suspension linkage means 4 which operatively connect to one or more back wheels 5. The front suspension linkage means 2 and rear suspension linkage means 4 are connected with each other through an intermediate frame 6.
The frame 6 comprises horizontal links on a first level 7 and on a second level 8, wherein the first level 7 is above the second level 8 and the link or links on the first level 7 are connected with the link or links on the second level 8 with arms 9, 10 that connect with the said links on the first level 7 and on the second level 8 with hinges 11, 12 and 13, 14.
For any arm 9 (10) that connects to a link on the first level 7 and with a link on the second level 8, the hinge 11 (13) connecting said arm 9 (10) to the link on the first level 7 is at a greater distance from its neighboring hinges 13 (11) in the first level 7 than the distance between the hinge 12 (14) connecting the same arm 9 (10) to the link on the second level 8 and the neighboring hinges 14 (12) in the second level 8 of said hinge 12 (14) at the second level 8 .
Figure 5 shows the embodiment of figure 1 during acceleration in the direction of arrow a. It is shown that the vehicle 1 (exlusive its suspension and wheels 3, 4) tilts forward during acceleration as represented by the angle alpha. Likewise the vehicle 1 will tilt backwards when it decelerates, for instance during braking.
With reference to figure 4 the suspension system of the invention is shown when applied to a four-wheel vehicle. In this figure 4 front suspension linkage means 2', 2'' operatively connect to two front wheels 3', 3'', and rear suspension linkage means 4', 4" operatively connect to two back wheels 5', 5". The front suspension linkage means 2', 2" and rear suspension linkage means 4', A'' are connected with each other through an intermediate frame 6.
The frame 6 shown in figure 4 comprises horizontal links on a first level 7 and on a second level 8, wherein the first level 7 is above the second level 8 and the links on the first level 7 are connected with the links on the second level 8 with arms 9', 9'', 10', 10'' that connect with the said links on the first level 7 and on the second level 8 with hinges 11', 12'; 11", 12"; 13', 14' and 13", 14".
For sake of clarity reference is now only made to arm 9' to show that this arm 9' connects to a link on the first level 7 and with a link on the second level 8, and that the hinge 11' connecting said arm 9' to the link on the first level 7 is at a greater distance from its neighboring hinges 11" and 13' in the first level 7, than the distance between the hinge 12' connecting the same arm 9' to the link on the second level 8 and the neighboring hinges 12" and 14' in the second level 8 of said hinge 12'.
Figure 3 shows a frontal view of the suspension system applied to a four-wheel vehicle in which the horizontal links on the first level 7 and on the second level 8 as well as the arms 9', 10'; 9", 10" connecting the said links are bars .
With reference to figure 2 it is remarked that the link or links at the first level 7 and/or second level 8 are adjustable in length for varying the distance between the hinges 11, 13 on opposite sides of said link or links. This alters the wheelbase between the wheels 3, 5 and influences the behavior of the suspension system of the invention. Figure 5 shows an embodiment-variation which is based on the construction of figure 2, and wherein the linkage 7 is not visible, yet it is present due to its function being provided by the frame of the motorcycle depicted in figure 5.
It is expressly remarked that the invention can be implemented in many different ways without departing from the scope of the invention as reduced to wording in the appended claims. Correspondingly the invention is explained with reference to some explanatory schematic drawings, and the skilled person will understand that many variations are feasible to these schematic drawings without departing from the appended claims.

Claims (5)

1. Ophangingsysteem (1) voor een voertuig omvattende voorophangingkoppelingsmiddelen (2, 2', 2") die werkzaam verbinden met één of meer voorwielen (3, 3', 3''), en achter-ophangingkoppelingsmiddelen (4, 4', 4'') die werkzaam verbin den met één of meer achterwielen (5, 5', 5''), waarbij de voorophangingkoppelingsmiddelen (2, 2', 2'') en achterophan- gingkoppelingsmiddelen (4, 4', 4'') met elkaar verbonden zijn met behulp van een tussengesteld frame (6), met het kenmerk, dat het frame (6) horizontale koppelingen op een eerste niveau (7) en op een tweede niveau (8) omvat, waarbij het eerste niveau (7) boven het tweede niveau (8) ligt en de koppeling of koppelingen op het eerste niveau (7) verbonden zijn met de koppeling of koppelingen op het tweede niveau (8) door middel van armen (9, 9', 9"; 10, 10', 10'') die verbonden zijn met de genoemde koppelingen op het eerste niveau (7) en op het tweede niveau (8) met scharnieren (11, 11', 11''; 12, 12', 12"; 13, 13', 13"; 14, 14', 14") en dat voor iedere arm (9, 9', 9"; 10, 10', 10") die verbonden is met een koppeling op het eerste niveau (7) en met een koppeling op het tweede niveau (8), het scharnier dat genoemde arm met de koppeling op het eerste niveau (7) verbindt, op een grotere afstand staat van haar naburige koppelingen op het eerste niveau (7) dan de afstand bedraagt tussen het scharnier die dezelfde arm (9, 9', 9"; 10, 10', 10") verbindt met de koppeling op het tweede niveau (8) en de naburige scharnieren op het tweede niveau (8) van genoemd scharnier dat zich op het tweede niveau (8) bevindt.A suspension system (1) for a vehicle comprising front suspension coupling means (2, 2 ', 2 ") operatively connecting to one or more front wheels (3, 3', 3 ''), and rear suspension coupling means (4, 4 ', 4 '') operatively connecting to one or more rear wheels (5, 5 ', 5' '), the front suspension coupling means (2, 2', 2 '') and rear suspension coupling means (4, 4 ', 4' ') are connected to one another by means of an intermediate frame (6), characterized in that the frame (6) comprises horizontal couplings on a first level (7) and on a second level (8), the first level (7) lies above the second level (8) and the coupling or couplings on the first level (7) are connected to the coupling or couplings on the second level (8) by means of arms (9, 9 ', 9 "; 10, 10 ', 10' ') connected to said couplings on the first level (7) and on the second level (8) with hinges (11, 11', 11 ''; 12, 12 ', 12 "; 13, 13 ', 13 "; 14, 14', 14") and that for each arm (9, 9 ', 9 "; 10, 10 ', 10 ") connected to a first-level coupling (7) and a second-level coupling (8), the hinge connecting said arm to the first-level coupling (7), is at a greater distance from its neighboring couplings on the first level (7) than is the distance between the hinge connecting the same arm (9, 9 ', 9 "; 10, 10', 10") to the coupling on the second level level (8) and the neighboring hinges on the second level (8) of said hinge located on the second level (8). 2. Ophangingsysteem volgens conclusie 1, met het kenmerk, dat de horizontale koppelingen op het eerste niveau (7) en op het tweede niveau (8) stangen zijn.Suspension system according to claim 1, characterized in that the horizontal couplings are rods on the first level (7) and on the second level (8). 3. Ophangingsysteem volgens conclusie 1 of 2, met het kenmerk, dat de koppeling of koppelingen op het eerste niveau (7) en/of het tweede niveau (8) in lengte instelbaar zijn voor het aanpassen van de afstand tussen de scharnieren op tegenovergestelde zijden van genoemde koppeling of koppelingen .Suspension system according to claim 1 or 2, characterized in that the coupling or couplings on the first level (7) and / or the second level (8) are adjustable in length for adjusting the distance between the hinges on opposite sides of said link or links. 4. Ophangingsysteem volgens één of meer van de voorgaande conclusies, met het kenmerk, dat het voertuig een motorfiets of een fiets is die optioneel voorzien is van een motor.Suspension system according to one or more of the preceding claims, characterized in that the vehicle is a motorcycle or a bicycle that is optionally provided with a motor. 5. Ophangingsysteem volgens één der voorgaande conclusies, met het kenmerk, dat het voertuig drie of vier wielen bezit, bij voorkeur een voertuig met twee voorwielen en twee achterwielen.Suspension system according to one of the preceding claims, characterized in that the vehicle has three or four wheels, preferably a vehicle with two front wheels and two rear wheels.
NL2010824A 2013-05-17 2013-05-17 A suspension system for a vehicle. NL2010824C2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
NL2010824A NL2010824C2 (en) 2013-05-17 2013-05-17 A suspension system for a vehicle.
PCT/NL2014/050227 WO2014185773A1 (en) 2013-05-17 2014-04-09 A suspension system for a vehicle

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL2010824 2013-05-17
NL2010824A NL2010824C2 (en) 2013-05-17 2013-05-17 A suspension system for a vehicle.

Publications (1)

Publication Number Publication Date
NL2010824C2 true NL2010824C2 (en) 2014-11-24

Family

ID=48875719

Family Applications (1)

Application Number Title Priority Date Filing Date
NL2010824A NL2010824C2 (en) 2013-05-17 2013-05-17 A suspension system for a vehicle.

Country Status (2)

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NL (1) NL2010824C2 (en)
WO (1) WO2014185773A1 (en)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2580558A (en) * 1946-12-10 1952-01-01 Kolbe Joachim Caster and camber compensation for banking vehicles
US3000648A (en) * 1958-01-29 1961-09-19 Lorraine Des Anciens Ets Lisse Supporting structure for the chassis of a rolling vehicle
US3429585A (en) * 1967-03-30 1969-02-25 Gen Motors Corp Variable height trailer unit
US3889968A (en) * 1973-03-03 1975-06-17 Daimler Benz Ag Motor vehicle, especially passenger motor vehicle
DE4108333A1 (en) * 1990-09-14 1992-09-24 Josef Nusser Undercarriage system for tracked vehicles and rail rolling stock - has swivel mechanisms between wheel frame and vehicle body
US5310200A (en) * 1988-09-21 1994-05-10 Macisaac William L Vehicle suspension system
EP1419912A2 (en) * 2002-11-12 2004-05-19 Komatsu Ltd. Multi-axle suspension system for a vehicle
US7234708B2 (en) * 2001-01-23 2007-06-26 Michelin Recherche Et Technique S.A. Suspension device of a motor vehicle wheel
US20100171282A1 (en) * 2002-09-18 2010-07-08 Macisaac William L Vehicle with movable and inwardly tilting safety body

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2580558A (en) * 1946-12-10 1952-01-01 Kolbe Joachim Caster and camber compensation for banking vehicles
US3000648A (en) * 1958-01-29 1961-09-19 Lorraine Des Anciens Ets Lisse Supporting structure for the chassis of a rolling vehicle
US3429585A (en) * 1967-03-30 1969-02-25 Gen Motors Corp Variable height trailer unit
US3889968A (en) * 1973-03-03 1975-06-17 Daimler Benz Ag Motor vehicle, especially passenger motor vehicle
US5310200A (en) * 1988-09-21 1994-05-10 Macisaac William L Vehicle suspension system
DE4108333A1 (en) * 1990-09-14 1992-09-24 Josef Nusser Undercarriage system for tracked vehicles and rail rolling stock - has swivel mechanisms between wheel frame and vehicle body
US7234708B2 (en) * 2001-01-23 2007-06-26 Michelin Recherche Et Technique S.A. Suspension device of a motor vehicle wheel
US20100171282A1 (en) * 2002-09-18 2010-07-08 Macisaac William L Vehicle with movable and inwardly tilting safety body
EP1419912A2 (en) * 2002-11-12 2004-05-19 Komatsu Ltd. Multi-axle suspension system for a vehicle

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