GB1426265A - Energy absorber components - Google Patents
Energy absorber componentsInfo
- Publication number
- GB1426265A GB1426265A GB2130373A GB2130373A GB1426265A GB 1426265 A GB1426265 A GB 1426265A GB 2130373 A GB2130373 A GB 2130373A GB 2130373 A GB2130373 A GB 2130373A GB 1426265 A GB1426265 A GB 1426265A
- Authority
- GB
- United Kingdom
- Prior art keywords
- foam
- impact
- filled
- hollow
- interposed
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/15—Understructures, i.e. chassis frame on which a vehicle body may be mounted having impact absorbing means, e.g. a frame designed to permanently or temporarily change shape or dimension upon impact with another body
- B62D21/152—Front or rear frames
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/24—Arrangements for mounting bumpers on vehicles
- B60R19/26—Arrangements for mounting bumpers on vehicles comprising yieldable mounting means
- B60R19/34—Arrangements for mounting bumpers on vehicles comprising yieldable mounting means destroyed upon impact, e.g. one-shot type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/04—Padded linings for the vehicle interior ; Energy absorbing structures associated with padded or non-padded linings
- B60R21/045—Padded linings for the vehicle interior ; Energy absorbing structures associated with padded or non-padded linings associated with the instrument panel or dashboard
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/15—Understructures, i.e. chassis frame on which a vehicle body may be mounted having impact absorbing means, e.g. a frame designed to permanently or temporarily change shape or dimension upon impact with another body
- B62D21/157—Understructures, i.e. chassis frame on which a vehicle body may be mounted having impact absorbing means, e.g. a frame designed to permanently or temporarily change shape or dimension upon impact with another body for side impacts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/08—Front or rear portions
- B62D25/10—Bonnets or lids, e.g. for trucks, tractors, busses, work vehicles
- B62D25/105—Bonnets or lids, e.g. for trucks, tractors, busses, work vehicles for motor cars
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Body Structure For Vehicles (AREA)
Abstract
1426265 Vehicle bodies; vehicular safety devices; vehicle bumpers GENERAL MOTORS CORP 4 May 1973 [8 May 1972 17 May 1972 11 Aug 1972] 21303/73 Headings B7B B7H and B7J [Also in Division F2] An energy-absorber component of a vehicle comprises a hollow member which is filled with a foam substance and which; in the event of an impact stress taking place in the direction of its longitudinal axis, is deformable substantially over its entire cross-section lying at right angles to the direction of impact, the walls of the hollow member being formed of a foldable sheetmetal material, and the specific weight and hardness of the foam substance being in such relation to the thickness of the walls of the hollow member that, under the impact stress; the foam substance reinforces the walls so that deformation of the component occurs by substantially uniform folding of the walls of the hollow member, proceeding from one end of the component. As shown in Fig. 1, the rear portion 10 of an automobile side girder 28 is in the form of a U- section with out-turned flanges 22 covered by the sheet metal vehicle floor 24, the cavity thusformed being filled with polyurethane foam 26 introduced at 32. A planned point of buckling 34, ensuring that the first fold occurs without an undesirable deceleration peak, is provided just behind a sheet metal closure and support plate 14 and may take the form of one or more filler apertures (whereby aperture 32 may be dispensed with). A partition 30 closes the other end of the cavity. Upon impact, when girder portion 10 begins to collapse, Fig. 3, the foam 26 exerts outward pressure upon the side walls so that steady and uniform folding is established, to the right of which the girder portion is not deformed. In Figs. 6 and 8, besides the end portions 10 of the lower side girders 28, similar energyabsorbing members 50, 51, are provided above the portions 10 and in the planes of the wheels. Preferably member 50 is formed partly by the wheel arch 64, Fig. 8, and an angle plate 65; alternatively a triangular-section cavity is formed by the (straight) wheel arch, the adjoining wing 68 and a lower closing plate (69, Fig. 9, not shown). Further energy-absorbing components 56 may be provided under the bonnet 54, Figs. 6, 8, a component 59 may be interposed between an over-roll bar 58 in the roof and a door lock pillar 57, and a cross member 60 may have spaced foam-filled sections (62, Figs. 7, 16, not shown). End portions 10 and members 50 are joined at the front by a body work portion 44, Fig. 6, and two impact dampers 43 each consisting of a foam-filled hollow member are interposed between this portion 44 and the forward bumper 42. Similar provision is made at the rear. The impact dampers 43 are intended to collapse at an impact speed lower than that appropriate to members 10, 50. In Figs. 10 to 12b (not shown) the forward bumper is connected via four impact dampers and bodywork portion 44 is omitted. In Fig. 13 the steering column 75 and propeller shaft 79 are hollow foam-filled members according to the invention. In Fig. 14 (not shown), a foam-filled buffer ring is additionally interposed between the steering wheel and the instrument panel. In Fig. 17 (not shown), foam-filled structural components are interposed between the instrument panel and the underlying body portion. In Fig. 18 a damping member 121 is interposed between an extension 120 of a back-rest frame 125 and a roof frame 112. In each example the foam may be provided with a cavity so that it forms a hollow body 120, Fig. 25. The inner surface of the hollow body may be formed by the foam itself, in which case a bounding wall must be provided during foam production and filling, and thereafter removed. Alternatively a supporting member 126 of thin sheet metal or plastics, and, optionally, spacing stays 128, may be provided. The outer casing may be formed from two matching angle plates 26, 28, each with a single flange 32 or 30; alternatively it may be formed from two U- section parts with out-turned flanges, welded together (Fig. 24, not shown); these parts may be tapered so as to form a casing of uniformlyvarying cross-section (Figs. 32, 33, not shown), the complete member being located in a vehicle so that the smaller end will receive the impact first. The casing may be seamless hollow member, or formed as a cylinder from a single sheet spotwelded along the meeting edges; such a cylinder may have perforations in its wall which are covered until the foam has hardened (Figs. 30, 31, not shown). Two concentric hollow casings may enclose an annular filling of foam; the inner casing may resemble the outer casing, or consist of expansible material which merely bulges inwards on impact compression of the member endwise (Figs. 19 to 19b, not shown). Members 50, Fig. 6, may be joined by a transverse stay, and each member 50 may be connected by a vertical support inside the door pillar to the lower girder 28 (Figs. 36 to 40, not shown). The filling material is preferably a hard polyurethane foam of specified density, though the easing may contain foams of progressivelydifferent hardness arranged longitudinally. Alternatively the foam may be based on polystyrol or polyvinylchloride. The foam should be compressible and may be introduced alternatively as particles or balls.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19722222557 DE2222557A1 (en) | 1972-05-08 | 1972-05-08 | Automobile impact absorber - filled with pref polyurethane foam |
DE19722223880 DE2223880A1 (en) | 1972-05-17 | 1972-05-17 | MOTOR VEHICLE WITH A COMPRESSIVE PASSENGER COMPARTMENT |
DE19722239485 DE2239485A1 (en) | 1972-08-11 | 1972-08-11 | Energy absorbing construction units for automobiles - are hollow steel shells filled with polystyrene foam situated longitudinally at vehicle front and rear |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1426265A true GB1426265A (en) | 1976-02-25 |
Family
ID=27184406
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2130373A Expired GB1426265A (en) | 1972-05-08 | 1973-05-04 | Energy absorber components |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS4948021A (en) |
AT (1) | AT334221B (en) |
CH (1) | CH577909A5 (en) |
FR (1) | FR2184325A5 (en) |
GB (1) | GB1426265A (en) |
IT (1) | IT982967B (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2142287A (en) * | 1983-07-01 | 1985-01-16 | Ladney Michael | Vehicle air foil |
US4643448A (en) * | 1985-08-05 | 1987-02-17 | Michael Ladney | Energy absorbing steering assembly |
DE4340347A1 (en) * | 1993-11-26 | 1995-06-01 | Audi Ag | Vehicle beam distorting under impact |
EP1544052A1 (en) * | 2002-08-27 | 2005-06-22 | Kaneka Corporation | Collision energy-absorbing material for vehicle and collision energy-absorbing structure of vehicle using the material |
US9108676B2 (en) | 2010-10-23 | 2015-08-18 | Audi Ag | Subframe for a motor vehicle |
CN110198869A (en) * | 2016-12-29 | 2019-09-03 | 全耐塑料公司 | Impact absorbing system for motor vehicles |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5255115A (en) * | 1975-10-31 | 1977-05-06 | Teruko Okada | Safety device for vehicle |
SE417183B (en) * | 1977-04-14 | 1981-03-02 | Volvo Ab | SIDE COLLECTION PROTECTION IN MOTOR VEHICLE |
FR2473679A1 (en) * | 1980-01-09 | 1981-07-17 | Quillery | Composite bars having a low density foam core - in a reaction injection sheath for use as self-supporting automobile bumper with impact recovery |
JPS5758561A (en) * | 1980-09-22 | 1982-04-08 | Nissan Motor Co Ltd | Collision energy damping structure of vehicle |
JPS58157870U (en) * | 1982-04-16 | 1983-10-21 | 本田技研工業株式会社 | car body |
JPS5983669U (en) * | 1982-11-30 | 1984-06-06 | 昭和飛行機工業株式会社 | Vehicle structural components |
JPS606675U (en) * | 1983-06-23 | 1985-01-18 | トヨタ自動車株式会社 | Vehicle body structure with impact buffers in members, chassis frame, etc. |
JPS60122279U (en) * | 1984-01-24 | 1985-08-17 | いすゞ自動車株式会社 | Vehicle body frame for collision energy absorption |
DE3727671A1 (en) * | 1987-08-19 | 1989-03-09 | Daimler Benz Ag | MOTOR CAR SEAT |
US5706908A (en) * | 1994-04-18 | 1998-01-13 | Nissan Motor Co., Ltd. | Front upper structure of automotive vehicle |
JPH08164869A (en) * | 1994-12-15 | 1996-06-25 | Fuji Heavy Ind Ltd | Front part frame structure of vehicle |
DE19603954C2 (en) * | 1996-02-05 | 2003-04-17 | Wagon Automotive Gmbh | Impact carrier for a motor vehicle |
DE19934666A1 (en) * | 1999-07-23 | 2001-01-25 | Porsche Ag | Energy absorbing support for vehicles has compound structure with outside support and inside support intimately connected in interspace by interposed polymer or metal structural foamed strip |
FR2800695B1 (en) * | 1999-11-08 | 2001-12-07 | Renault | VEHICLE, ESPECIALLY TOURISM, WITH ANTI-OVERLAP SHOCK-RECEIVING STRUCTURE |
DE10006388A1 (en) * | 2000-02-12 | 2001-08-16 | Volkswagen Ag | Subframe of a motor vehicle chassis |
AT414118B (en) | 2003-04-07 | 2006-09-15 | Douet Bernard Ing | MODULE OF A SECURITY CELL FOR TRANSPORT AND TRANSPORT |
DE102004024208A1 (en) * | 2004-05-10 | 2005-12-01 | Pro Control GmbH für Prozeßleittechnik, Hardwareentwicklung und Software | Passenger car, body and frame for a passenger vehicle |
DE102004024578B4 (en) * | 2004-05-18 | 2007-02-15 | Daimlerchrysler Ag | An energy absorbing composite beam of a vehicle structure of a vehicle and method of manufacturing the same |
DE102005025353A1 (en) * | 2005-05-31 | 2006-12-07 | Suspa Holding Gmbh | Protective device for even and effective absorption of thrust energy in event of collision in which road vehicle is involved |
DE202006020846U1 (en) * | 2006-09-01 | 2010-07-22 | Audi Ag | Impact protection element for a vehicle and body with such an impact protection element |
JP4500856B2 (en) * | 2008-01-23 | 2010-07-14 | 本田技研工業株式会社 | Car body rear structure |
DE102009021961B4 (en) * | 2009-05-19 | 2013-07-04 | Audi Ag | Body structure of a vehicle |
WO2011048694A1 (en) * | 2009-10-23 | 2011-04-28 | トヨタ自動車株式会社 | Vehicle body structure |
FR2978410B1 (en) * | 2011-07-29 | 2013-08-09 | Peugeot Citroen Automobiles Sa | LONGERON FOR AUTOMOTIVE VEHICLE OF OCTAGONAL CROSS SECTION AND VEHICLE EQUIPPED WITH SUCH LONGERONS. |
DE102011116114B4 (en) * | 2011-10-15 | 2023-03-16 | Volkswagen Aktiengesellschaft | Deformation structure of a motor vehicle |
JP6171951B2 (en) * | 2014-01-28 | 2017-08-02 | マツダ株式会社 | Rear structure of the vehicle |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3520550A (en) * | 1968-01-15 | 1970-07-14 | Ford Motor Co | Energy absorbing structure for a motor vehicle |
US3633934A (en) * | 1968-03-14 | 1972-01-11 | Daimler Benz Ag | Safety frame for automotive vehicles |
JPS556531A (en) * | 1978-06-27 | 1980-01-18 | Mitsubishi Chem Ind | Sheet like composition with good water absorbability and production |
-
1973
- 1973-04-03 CH CH475373A patent/CH577909A5/xx not_active IP Right Cessation
- 1973-04-04 IT IT4924273A patent/IT982967B/en active
- 1973-05-04 GB GB2130373A patent/GB1426265A/en not_active Expired
- 1973-05-08 JP JP5107973A patent/JPS4948021A/ja active Pending
- 1973-05-08 FR FR7316455A patent/FR2184325A5/fr not_active Expired
- 1973-05-08 AT AT406073A patent/AT334221B/en not_active IP Right Cessation
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2142287A (en) * | 1983-07-01 | 1985-01-16 | Ladney Michael | Vehicle air foil |
US4643448A (en) * | 1985-08-05 | 1987-02-17 | Michael Ladney | Energy absorbing steering assembly |
DE4340347A1 (en) * | 1993-11-26 | 1995-06-01 | Audi Ag | Vehicle beam distorting under impact |
DE4340347C2 (en) * | 1993-11-26 | 2003-11-20 | Audi Ag | Carriers for motor vehicles |
EP1544052A1 (en) * | 2002-08-27 | 2005-06-22 | Kaneka Corporation | Collision energy-absorbing material for vehicle and collision energy-absorbing structure of vehicle using the material |
EP1544052A4 (en) * | 2002-08-27 | 2008-03-26 | Kaneka Corp | Collision energy-absorbing material for vehicle and collision energy-absorbing structure of vehicle using the material |
US9108676B2 (en) | 2010-10-23 | 2015-08-18 | Audi Ag | Subframe for a motor vehicle |
CN110198869A (en) * | 2016-12-29 | 2019-09-03 | 全耐塑料公司 | Impact absorbing system for motor vehicles |
Also Published As
Publication number | Publication date |
---|---|
ATA406073A (en) | 1976-04-15 |
IT982967B (en) | 1974-10-21 |
JPS4948021A (en) | 1974-05-09 |
AT334221B (en) | 1976-01-10 |
FR2184325A5 (en) | 1973-12-21 |
CH577909A5 (en) | 1976-07-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |