GB2344148B - Fibre-reinforced spring element - Google Patents

Fibre-reinforced spring element

Info

Publication number
GB2344148B
GB2344148B GB9926979A GB9926979A GB2344148B GB 2344148 B GB2344148 B GB 2344148B GB 9926979 A GB9926979 A GB 9926979A GB 9926979 A GB9926979 A GB 9926979A GB 2344148 B GB2344148 B GB 2344148B
Authority
GB
United Kingdom
Prior art keywords
fibre
spring element
reinforced spring
reinforced
spring
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 - Fee Related
Application number
GB9926979A
Other versions
GB2344148A (en
GB9926979D0 (en
Inventor
Stefan Emmerling
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Airbus Helicopters Deutschland GmbH
Original Assignee
Eurocopter Deutschland GmbH
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 Eurocopter Deutschland GmbH filed Critical Eurocopter Deutschland GmbH
Publication of GB9926979D0 publication Critical patent/GB9926979D0/en
Publication of GB2344148A publication Critical patent/GB2344148A/en
Application granted granted Critical
Publication of GB2344148B publication Critical patent/GB2344148B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F1/00—Springs
    • F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
    • F16F1/366—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers made of fibre-reinforced plastics, i.e. characterised by their special construction from such materials
    • F16F1/368—Leaf springs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B25/00—Layered products comprising a layer of natural or synthetic rubber
    • B32B25/10—Layered products comprising a layer of natural or synthetic rubber next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B25/00—Layered products comprising a layer of natural or synthetic rubber
    • B32B25/16—Layered products comprising a layer of natural or synthetic rubber comprising polydienes homopolymers or poly-halodienes homopolymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/02—Physical, chemical or physicochemical properties
    • B32B7/022—Mechanical properties
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F1/00—Springs
    • F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
    • F16F1/40—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers consisting of a stack of similar elements separated by non-elastic intermediate layers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F3/00—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic
    • F16F3/08—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic with springs made of a material having high internal friction, e.g. rubber
    • F16F3/10—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic with springs made of a material having high internal friction, e.g. rubber combined with springs made of steel or other material having low internal friction
    • F16F3/12—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic with springs made of a material having high internal friction, e.g. rubber combined with springs made of steel or other material having low internal friction the steel spring being in contact with the rubber spring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/30—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium with solid or semi-solid material, e.g. pasty masses, as damping medium
    • F16F9/306—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium with solid or semi-solid material, e.g. pasty masses, as damping medium of the constrained layer type, i.e. comprising one or more constrained viscoelastic layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/106—Carbon fibres, e.g. graphite fibres
GB9926979A 1998-11-26 1999-11-15 Fibre-reinforced spring element Expired - Fee Related GB2344148B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19854692A DE19854692A1 (en) 1998-11-26 1998-11-26 Spring element made of fiber composite material with embedded soft layers

Publications (3)

Publication Number Publication Date
GB9926979D0 GB9926979D0 (en) 2000-01-12
GB2344148A GB2344148A (en) 2000-05-31
GB2344148B true GB2344148B (en) 2000-12-06

Family

ID=7889177

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9926979A Expired - Fee Related GB2344148B (en) 1998-11-26 1999-11-15 Fibre-reinforced spring element

Country Status (4)

Country Link
DE (1) DE19854692A1 (en)
FR (1) FR2786545A1 (en)
GB (1) GB2344148B (en)
IT (1) IT1314055B1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10228902B4 (en) * 2002-06-27 2005-04-21 Db Cargo Ag Leaf spring with several layers of different high polymer materials
WO2010053933A1 (en) 2008-11-04 2010-05-14 Lord Corporation Resonant inertial force generator having stable natural frequency
WO2012106616A1 (en) 2011-02-04 2012-08-09 Lord Corporation Rotary wing aircraft vibration control system with resonant inertial actuators
DE102013223686A1 (en) 2013-11-20 2015-05-21 Bayerische Motoren Werke Aktiengesellschaft Wheel suspension of a vehicle with a fiber-reinforced spring-arm structure
DE102017220969A1 (en) * 2017-11-23 2019-05-23 Zf Friedrichshafen Ag Method for producing a chassis component and suspension component

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB938244A (en) * 1961-03-22 1963-10-02 Lord Mfg Co Railway freight car loading structure
GB1237950A (en) * 1967-12-29 1971-07-07
GB1510928A (en) * 1972-11-10 1978-05-17 South African Inventions Railway vehicle suspension
US4688778A (en) * 1982-10-01 1987-08-25 Isosport Verbundbauteile Ges.M.B.H. Plastic leaf spring
GB2242002A (en) * 1990-03-13 1991-09-18 Hideyuki Tada Laminated rubber support assembly
US5358210A (en) * 1992-03-31 1994-10-25 Hutchinson Device for filtering vibration, and a fixing system comprising a plurality of such devices for fixing a load on a support

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3433636C1 (en) * 1984-09-13 1985-08-29 Messerschmitt-Bölkow-Blohm GmbH, 8012 Ottobrunn Laminated body of fibre composite plastic, in particular spring
DE3908474A1 (en) * 1988-07-22 1990-01-25 Metzeler Gmbh RING SHAPED SPRING BODY MADE OF FIBER COMPOSITES
DE3940541C2 (en) * 1988-12-07 2000-08-31 Wolf Woco & Co Franz J Unit bearing for motor vehicles with a suspension spring in the manner of a leaf spring
JPH07119081B2 (en) * 1991-10-30 1995-12-20 ニチアス株式会社 Damping material

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB938244A (en) * 1961-03-22 1963-10-02 Lord Mfg Co Railway freight car loading structure
GB1237950A (en) * 1967-12-29 1971-07-07
GB1510928A (en) * 1972-11-10 1978-05-17 South African Inventions Railway vehicle suspension
US4688778A (en) * 1982-10-01 1987-08-25 Isosport Verbundbauteile Ges.M.B.H. Plastic leaf spring
GB2242002A (en) * 1990-03-13 1991-09-18 Hideyuki Tada Laminated rubber support assembly
US5358210A (en) * 1992-03-31 1994-10-25 Hutchinson Device for filtering vibration, and a fixing system comprising a plurality of such devices for fixing a load on a support

Also Published As

Publication number Publication date
GB2344148A (en) 2000-05-31
IT1314055B1 (en) 2002-12-03
FR2786545A1 (en) 2000-06-02
ITMI992209A0 (en) 1999-10-21
ITMI992209A1 (en) 2001-04-21
DE19854692A1 (en) 2000-06-15
GB9926979D0 (en) 2000-01-12

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20031115