WO2009002332A1 - Système de suspension pour un véhicule - Google Patents

Système de suspension pour un véhicule Download PDF

Info

Publication number
WO2009002332A1
WO2009002332A1 PCT/US2007/023748 US2007023748W WO2009002332A1 WO 2009002332 A1 WO2009002332 A1 WO 2009002332A1 US 2007023748 W US2007023748 W US 2007023748W WO 2009002332 A1 WO2009002332 A1 WO 2009002332A1
Authority
WO
WIPO (PCT)
Prior art keywords
suspension system
link
neck portion
set forth
vibration damper
Prior art date
Application number
PCT/US2007/023748
Other languages
English (en)
Inventor
Robert D. Kucinski
Mark S. Zmyslowski
Original Assignee
Radar 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
Priority claimed from US11/937,249 external-priority patent/US7793954B2/en
Application filed by Radar Industries Inc. filed Critical Radar Industries Inc.
Priority to MX2009013517A priority Critical patent/MX2009013517A/es
Priority to CA2691602A priority patent/CA2691602C/fr
Publication of WO2009002332A1 publication Critical patent/WO2009002332A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G15/00—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type
    • B60G15/02—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring
    • B60G15/06—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper
    • B60G15/062—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper the spring being arranged around the damper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G13/00—Resilient suspensions characterised by arrangement, location or type of vibration dampers
    • B60G13/001—Arrangements for attachment of dampers
    • B60G13/005—Arrangements for attachment of dampers characterised by the mounting on the axle or suspension arm of the damper unit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G3/00—Resilient suspensions for a single wheel
    • B60G3/18—Resilient suspensions for a single wheel with two or more pivoted arms, e.g. parallelogram
    • B60G3/20—Resilient suspensions for a single wheel with two or more pivoted arms, e.g. parallelogram all arms being rigid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2200/00—Indexing codes relating to suspension types
    • B60G2200/10—Independent suspensions
    • B60G2200/14—Independent suspensions with lateral arms
    • B60G2200/144—Independent suspensions with lateral arms with two lateral arms forming a parallelogram
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2200/00—Indexing codes relating to suspension types
    • B60G2200/30—Rigid axle suspensions
    • B60G2200/32—Rigid axle suspensions pivoted
    • 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
    • B60G2204/12—Mounting of springs or dampers
    • 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
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
    • B60G2204/43—Fittings, brackets or knuckles
    • B60G2204/4304—Bracket for lower cylinder mount of McPherson strut
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/80—Manufacturing procedures
    • B60G2206/81—Shaping
    • B60G2206/8102—Shaping by stamping
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/80—Manufacturing procedures
    • B60G2206/81—Shaping
    • B60G2206/8103—Shaping by folding or bending
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/80—Manufacturing procedures
    • B60G2206/81—Shaping
    • B60G2206/811—Shaping by cutting

Definitions

  • the present invention relates a vehicle wheel suspension system and more particularly, to a vehicle wheel suspension incorporating vertical dampener struts for absorbing vibration transferred from a road surface and through the wheel.
  • a suspension system performs a complicated function.
  • the suspension system keeps the wheels of the automotive vehicle lined up with the travel of the automotive vehicle, limits the movement of the body of the automotive vehicle during cornering and when going over bumps, and provides a smooth and comfortable ride for passengers and drivers.
  • Numerous suspension systems are know in the art.
  • a short- long arm (SLA) suspension system has been common on domestic vehicles for many years.
  • SLA short- long arm
  • each wheel is independently connected to a frame of the vehicle by a steering knuckle, ball joint assemblies, and upper and lower control arms.
  • a double-wishbone suspension system presents numerous components such as a frame of the vehicle, a lower arm, an upper arm, a hub for supporting a wheel assembly, and a damper.
  • the upper and lower control arms function as locators to fix a position of the suspension system and its components relative to the automotive vehicle and are attached to the frame with bushings that permit the wheel assemblies to move up and down separately in response to irregularities in the road surface.
  • the prior art is replete with various suspension systems having at least one yoke or linking element for interconnecting a shock absorber mounted between the vehicle body and a lower arm. These systems are taught by the United States Patent Nos.
  • the United States Patent No. 4,377,298 to Finn et al. disclose a vehicle wheel suspension having a shock absorber mounted between the vehicle body and a lower arm.
  • a clevis or yoke portion formed from a pair of legs and formed from a reverse bend doubled sheet metal form, connected to a neck portion or collar to engage the shock absorber.
  • the clevis taught by the United States Patent No. 4,377,298 to Finn et al. fails to teach or suggest a reinforcing structure defined in the clevis and requires a plurality of members to form the clevis.
  • the United States Patent No. 4,583,759 to Kami et al. for example, teaches an upper suspension arm support structure having a shock absorber mounted between the vehicle body and a lower arm.
  • the clevis is forged from a metal and has a neck portion to engage the shock absorber and a pair of legs extending to the respective distal ends and connected to the lower arm by a fastener.
  • the clevis of the United States Patent No. 4,583,759 to Kami et al. fails to teach or suggest a reinforcing structure defined in the clevis and requires a plurality of members to form the clevis.
  • the clevis of the United States Patent No. 4,583,759 to Kami et al. is forged from a metal thereby negatively impacting the overall weight of the system.
  • the suspension system of the present invention keeps the wheel assemblies of the automotive vehicle lined up with the travel of the automotive vehicle, limits the movement of the body of the automotive vehicle during cornering and when going over bumps, and provides a smooth and comfortable ride for passengers and drivers.
  • the suspension system presents numerous components such as a frame of the vehicle, a lower control arm, an upper control arm, a hub or a spindle for supporting the wheel assembly, and a vibration damper.
  • the upper control arm and the lower control arm of the suspension system are cooperable with a spindle cooperable with the hub, which defines a rotational axis and supports the wheel assembly.
  • the vibration damper having first and second terminal ends with one of the terminal ends being cooperable with the upper control arm.
  • a link or clevis has a monolithic construction and a generally uniform thickness.
  • the link interconnects the lower control arm and the second terminal end of the vibration damper.
  • the link and the vibration damper define a common axis bisecting the link and extending in a direction different from the direction of the rotational axis.
  • the vibration damper is movable along the common axis the absorbing vibration transferred from a road surface and through the wheel.
  • the link is stamped from a blank formed from metal, metal alloys, and combination thereof.
  • the link includes a neck portion having a generally circular cross section for receiving the vibration damper and a pair of spaced legs.
  • a reinforcement rib is deformed into each of the legs thereby preventing the legs from bending as the vibration damper absorbs vibration transferred from the road surface and through the wheel.
  • the reinforcement rib is further deformed into the neck portion tapering away from the distal end to increase strength of the link.
  • the reinforcement rib presents a first width as the reinforcement rib extends from the distal end to the neck portion and a second width as the leg transforms to the neck portion and a third width as the reinforcement rib further tapers onto the neck portion.
  • the neck portion includes terminal edges and a seam extending therebetween. The seam receives a connector to secure the link to the vibration damper.
  • Each of the legs presents a face having opposed peripheral edges extending outwardly from the face and tapering proximate the distal end to present the distal end having a generally flat cross section.
  • An advantage of the present invention is to provide the improved link for the suspension system that is stamped from a sheet metal presenting a light weight alternative to an iron cast links known in the prior art.
  • Another advantage of the present invention is to provide an improved link for the suspension system that reduces the mass of the improved link.
  • Still another advantage of the present invention is to provide an improved link having at least one reinforcement rib deformed into each of the legs of the link thereby preventing the legs from bending as the vibration damper absorbs vibration transferred from the road surface and through the wheel and to provide structural integrity to the link and the entire suspension system.
  • Still another advantage of the present invention is to provide an improved mounting structure for mounting both right and left suspension assemblies as a unit to the vehicle body.
  • Figure 1 illustrates a perspective view of a suspension assembly having an upper arm and a lower arm and a link cooperable with a vibration damper and connected to the lower arm;
  • Figure 2 illustrates a illustrates a perspective and partially exploded view of the suspension assembly of Figure 1;
  • Figure 3A illustrates the inventive link having a monolithic construction and a generally uniform thickness;
  • Figure 3B illustrates the cross sectional view of the link shown in Figure 3 A and taken along lines 3B-3B;
  • Figure 4 illustrates a first alternative embodiment of the inventive link
  • Figure 5 illustrates a second alternative embodiment of the inventive link
  • Figure 6 illustrates a third alternative embodiment of the inventive link. DETAILED DESCRIPTION OF THE INVENTION
  • a suspension system of the present invention is generally shown at 10 in Figures 1 and 2.
  • the suspension system 10 keeps the wheel assemblies 12 of an automotive vehicle (not shown) lined up with the travel of the automotive vehicle, limits the movement of the body of the automotive vehicle during cornering and when going over bumps, and provides a smooth and comfortable ride for passengers and drivers.
  • the suspension system 10 presents numerous components such as a frame 14 (only partially shown in Figure 1) of the vehicle, a lower control arm 16, an control upper arm 18, a hub or a spindle 20 for supporting the wheel assembly 12 and defining a rotational axis A, and a vibration damper or strut 22.
  • the upper and lower control arms 18 and 16 function as locators to fix a position of the suspension system 10 and its components relative to the automotive vehicle and are attached to the frame 14 with bushings that permit the wheel assemblies 12 to move up and down separately in response to irregularities in the road surface.
  • the suspension system 10 described above and to be further described further below may be a short-long arm (SLA) suspension system has been common on domestic vehicles for many years, a double-wishbone suspension systems, and other suspension systems of the kind without limiting the scope of the present invention.
  • SLA short-long arm
  • the vibration damper 22 has first and second terminal ends 24 and 26 with the second terminal end 26 being cooperable with the upper control arm 18.
  • a link or clevis generally indicated at 30 in Figures 1 through 3, interconnects the vibration damper 22 and the lower control arm 16, as best shown in Figure 2.
  • the link 30 is stamped from a blank of metal, metal alloys, and combination thereof, as the blank goes through a progressive die tool, a line die tool, or a transfer die tool, as described in the provisional application serial numbers 60/945,613, filed June 22, 2007 and 60/952,089 filed July 26, 2007 and incorporated herewith in its entirety.
  • the link 30 presents a monolithic construction and a generally uniform thickness, as best shown in Figure 3B.
  • the link 30 interconnects the lower control arm 16 and the second terminal end 26 of the vibration damper 22.
  • the link 30 and the vibration damper 22 define a common axis B bisecting the link 30 and extending in a direction different from the direction of the rotational axis A.
  • the vibration damper 22 is movable along the common axis B to absorb vibration transferred from a road surface and through the wheel assembly 12.
  • the link 30 is further defined by a neck portion 32 having a circular cross section and a pair of opposing legs 34 and 36 extending from the neck portion 32 to distal ends 38 and 40.
  • a plurality of weld openings 41 are formed peripherally defined in the neck portion 32 to weld the neck portion 32 to the vibration damper 22.
  • Each distal end 38 and 40 defines an opening 42 and 44 to receive a fastener 46 for affixing the link to the lower control arm 16.
  • the neck portion 32 includes terminal edges 50 and 52 and a pair of lips 54 and 56 extending from each of the terminal edges 50 and 52 to receive a connector 58 extending therethrough as the neck portion 32 circumscribes and engages the terminal end of the vibration damper 22, as best shown in Figures 1 and 2.
  • each of the legs 34 and 36 defines a periphery, generally indicated at 58, extending to a common flange 60 for strengthening the link 30.
  • the common flange 60 further extends to surround the pair of lips 54 and 56.
  • the flange 60 becomes tapered proximate to the distal end 38 and 40 of each of the legs 34 and 36 (not shown).
  • the flange 60 partially circumscribes the distal end 38 and 40.
  • the periphery 58 defines a generally curvelinear geometry 62 as shown in Figure 5.
  • the periphery 58 defines a generally linear geometry (not shown).
  • a pair of reinforcement ribs 62 and 64 is formed into each leg 34 and 36.
  • the ribs 62 and 64 further extend into neck portion 32 thereby tapering in an opposite direction from the distal ends of each of the legs 34 and 36 to increase strength of the link 30.
  • the reinforcement ribs 62 and 64 bridge the neck portion 32 and the legs 34 and 36.
  • the reinforcement ribs 62 and 64 present a first width 66 as the reinforcement ribs 62 and 64 extends from the distal end to the neck portion 32 and a second width 68 as each of the legs 34 and 36 transforms to the neck portion 32 and a third width 70 as the reinforcement ribs 62 and 64 further taper onto the neck portion 32.
  • FIG. 4 illustrates a first alternative embodiment of the inventive link, generally shown at 100.
  • the numeral references will be reflected accordingly to distinguish the first alternative embodiment illustrated in Figure 4 from the embodiment of the link as shown in Figure 3A without limiting the scope of the present invention.
  • the link 100 is further defined by a neck portion 102 having a circular cross section and a pair of opposing legs 104 and 106 extending from the neck portion 102 to distal ends 108 and 110.
  • a plurality of weld openings 111 are formed peripherally defined in the neck portion 102 to weld the neck portion 102 to connect the neck portion 102 to the vibration damper 22.
  • the neck portion 102 includes terminal edges 112 and 114 spaced from one another thereby forming a seam.
  • Figure 5 illustrates a second alternative embodiment of the inventive link generally indicated at 200.
  • the numeral references will be reflected accordingly to distinguish the second alternative embodiment illustrated in Figure 5 from the embodiment of the link as shown in Figures 3A and 4 without limiting the scope of the present invention.
  • the link 200 is further defined by a neck portion 202 having a circular cross section and a pair of opposing legs 204 and 206 extending from the neck portion 202 to distal ends 208 and 210.
  • a plurality of weld openings 211 are formed peripherally defined in the neck portion 202 to connect the neck portion 202 to the vibration damper 22.
  • Each distal end 208 and 210 defines an opening 212 and 214 to receive a fastener 46 for affixing the link to the lower control arm 16.
  • the neck portion 202 includes terminal edges 216 and 218 and a pair of lips 220 and 222 extending from each of the terminal edges 216 and 218 to receive a connector 58 extending therethrough as the neck portion 202 circumscribes and engages the terminal end of the vibration damper 22, as best shown in Figure 2.
  • each of the legs 204 and 206 defines a periphery, generally indicated at 224, extending to a common flange 226 for strengthening the link 200.
  • the common flange 226 further extends to surround the pair of lips 220 and 222.
  • the periphery 224 defines a generally linear geometry 228.
  • a pair of reinforcement ribs 230 and 232 is formed into each leg 204 and 206.
  • the ribs 230 and 232 further extend into neck portion 202 thereby tapering in an opposite direction from the distal ends of each of the legs 204 and 206 to increase strength of the link 200.
  • the reinforcement ribs 230 and 232 bridges the neck portion 202 and the legs 204 and 206.
  • the reinforcement ribs 230 and 232 present a uniform width or a variable width.
  • Figure 6 illustrates a third alternative embodiment of the inventive link, generally shown at 300.
  • the link 300 is formed from two parts, generally indicated at 302 and 304, when combined forming a neck portion 306 having a circular cross section and a pair of opposing legs 308 and 310 extending from the neck portion 306 to distal ends 312 and 314.
  • a plurality of weld openings 315 are formed peripherally defined in the neck portion 306 to connect the neck portion 306 to the vibration damper 22.
  • the neck portion 306 includes terminal edges 316 A-B and 318 A-B spaced from one another thereby forming a seam. As the parts 302 and 304 circumscribe the terminal end 26 of the vibration damper 22, the parts 302 and 304 are welded thereto. All other parts of the link 300 are identical to the link 30 as illustrated in Figures 3A and 3B.
  • the suspension system 10 of the present invention provides numerous advantages over the prior art systems, such as the systems taught by the United States Patent Nos. 4,377,298 to Finn et al.; 4,583,759 to Kami et al.; and 5,375,870 to Smith et al.
  • the improved links 30, 100, 200, and 300 is stamped from a sheet metal presenting a light weight alternative to an iron cast links known in the prior art.
  • Another advantage of the improved link for the suspension system 10 relates to reduction in the mass of the link.
  • the improved link 30, 100, 200, and 300 has at least one reinforcement rib deformed into each of the legs of the link thereby preventing the legs from bending as the vibration damper absorbs vibration transferred from the road surface and through the wheel and to provide structural integrity to the link and the entire suspension system 10.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Body Suspensions (AREA)

Abstract

Cette invention concerne un système de suspension qui supporte en pivotement une roue d'un véhicule automobile. Un bras de commande supérieur et un bras de commande inférieur sont aptes à coopérer avec une tige qui supporte la roue. Un amortisseur de vibrations est apte à coopérer avec le bras de commande supérieur. Une biellette interconnecte le bras de commande inférieur et une des extrémités terminales de l'amortisseur de vibrations définissant ainsi un axe commun de bissection de la biellette. L'amortisseur de vibrations se déplace le long de l'axe commun pour absorber les vibrations transférées à partir d'une surface de route et à travers la roue.
PCT/US2007/023748 2007-06-22 2007-11-13 Système de suspension pour un véhicule WO2009002332A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
MX2009013517A MX2009013517A (es) 2007-06-22 2007-11-13 Sistema de suspension para vehiculo.
CA2691602A CA2691602C (fr) 2007-06-22 2007-11-13 Systeme de suspension pour un vehicule

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US94561307P 2007-06-22 2007-06-22
US60/945,613 2007-06-22
US95208907P 2007-07-26 2007-07-26
US60/952,089 2007-07-26
US11/937,249 2007-11-08
US11/937,249 US7793954B2 (en) 2007-06-22 2007-11-08 Suspension system for a vehicle

Publications (1)

Publication Number Publication Date
WO2009002332A1 true WO2009002332A1 (fr) 2008-12-31

Family

ID=39048184

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2007/023748 WO2009002332A1 (fr) 2007-06-22 2007-11-13 Système de suspension pour un véhicule

Country Status (10)

Country Link
KR (1) KR101027409B1 (fr)
CN (2) CN102602258B (fr)
BR (1) BRPI0707568A2 (fr)
CA (1) CA2691602C (fr)
DE (1) DE102008009959A1 (fr)
FR (1) FR2917669B1 (fr)
GB (2) GB0724522D0 (fr)
IT (1) ITMI20080904A1 (fr)
MX (1) MX2009013517A (fr)
WO (1) WO2009002332A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016007756B4 (de) * 2016-06-24 2021-01-07 Audi Ag Radaufhängung für ein zweispuriges Fahrzeug

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Publication number Priority date Publication date Assignee Title
CN103534502A (zh) * 2010-12-17 2014-01-22 龙乔有限责任公司 用于汽车的传动系系统的万向接头组件
JP6489180B2 (ja) * 2017-09-04 2019-03-27 マツダ株式会社 車両用サスペンション装置
DE102019201518A1 (de) * 2019-02-06 2020-08-06 Ebert-Consulting Gmbh Fahrzeugstarrachse und Verfahren zu deren Herstellung
CN109703307B (zh) * 2019-02-20 2023-12-08 浙江盘毂动力科技有限公司 一种双横臂独立悬架系统及车辆
CN111774473A (zh) * 2020-05-25 2020-10-16 重庆鼎汉机械有限公司 一种汽车悬架纵臂本体及制造方法

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US4377298A (en) * 1981-06-11 1983-03-22 General Motors Corporation Vehicle wheel suspension
US5145204A (en) * 1991-12-26 1992-09-08 Chrysler Corporation Stamped wheel support bracket for vehicle suspension
US5375870A (en) * 1992-12-17 1994-12-27 Chrysler Corporation Mounting structure of a front suspension system

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Publication number Priority date Publication date Assignee Title
US4377298A (en) * 1981-06-11 1983-03-22 General Motors Corporation Vehicle wheel suspension
US5145204A (en) * 1991-12-26 1992-09-08 Chrysler Corporation Stamped wheel support bracket for vehicle suspension
US5375870A (en) * 1992-12-17 1994-12-27 Chrysler Corporation Mounting structure of a front suspension system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016007756B4 (de) * 2016-06-24 2021-01-07 Audi Ag Radaufhängung für ein zweispuriges Fahrzeug

Also Published As

Publication number Publication date
FR2917669A1 (fr) 2008-12-26
CN102602258A (zh) 2012-07-25
CN102602258B (zh) 2015-05-20
KR20080112917A (ko) 2008-12-26
CN101327721A (zh) 2008-12-24
GB2450389A (en) 2008-12-24
FR2917669B1 (fr) 2017-02-03
DE102008009959A1 (de) 2009-01-02
BRPI0707568A2 (pt) 2009-07-21
GB2450389B (en) 2009-08-05
ITMI20080904A1 (it) 2008-12-23
MX2009013517A (es) 2010-04-27
CA2691602C (fr) 2015-01-13
CN101327721B (zh) 2012-01-18
CA2691602A1 (fr) 2008-12-31
GB0802792D0 (en) 2008-03-26
KR101027409B1 (ko) 2011-04-11
GB0724522D0 (en) 2008-01-30

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