CA2490653C - Snubber - Google Patents
Snubber Download PDFInfo
- Publication number
- CA2490653C CA2490653C CA002490653A CA2490653A CA2490653C CA 2490653 C CA2490653 C CA 2490653C CA 002490653 A CA002490653 A CA 002490653A CA 2490653 A CA2490653 A CA 2490653A CA 2490653 C CA2490653 C CA 2490653C
- Authority
- CA
- Canada
- Prior art keywords
- snubber
- inner member
- shim
- retainer
- spacer stack
- 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
Links
- 125000006850 spacer group Chemical group 0.000 claims abstract description 59
- 230000033001 locomotion Effects 0.000 claims abstract description 29
- 229920001971 elastomer Polymers 0.000 claims abstract description 11
- 239000000806 elastomer Substances 0.000 claims abstract description 11
- 230000008878 coupling Effects 0.000 claims description 13
- 238000010168 coupling process Methods 0.000 claims description 13
- 238000005859 coupling reaction Methods 0.000 claims description 13
- 230000007935 neutral effect Effects 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000036316 preload Effects 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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
- 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
- F16F3/087—Units comprising several springs made of plastics or the like material
- F16F3/0873—Units comprising several springs made of plastics or the like material of the same material or the material not being specified
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/32—Rotors
- B64C27/35—Rotors having elastomeric joints
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Architecture (AREA)
- Vibration Prevention Devices (AREA)
- Clamps And Clips (AREA)
- Braking Arrangements (AREA)
- Bolts, Nuts, And Washers (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/418,381 US6848886B2 (en) | 2003-04-18 | 2003-04-18 | Snubber |
| US10/418,381 | 2003-04-18 | ||
| PCT/US2004/011754 WO2004094859A2 (en) | 2003-04-18 | 2004-04-16 | Snubber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2490653A1 CA2490653A1 (en) | 2004-11-04 |
| CA2490653C true CA2490653C (en) | 2008-07-22 |
Family
ID=33159093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002490653A Expired - Fee Related CA2490653C (en) | 2003-04-18 | 2004-04-16 | Snubber |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US6848886B2 (enExample) |
| EP (1) | EP1616111B1 (enExample) |
| JP (1) | JP4713467B2 (enExample) |
| CA (1) | CA2490653C (enExample) |
| WO (1) | WO2004094859A2 (enExample) |
Families Citing this family (47)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040147169A1 (en) | 2003-01-28 | 2004-07-29 | Allison Jeffrey W. | Power connector with safety feature |
| US7458839B2 (en) * | 2006-02-21 | 2008-12-02 | Fci Americas Technology, Inc. | Electrical connectors having power contacts with alignment and/or restraining features |
| KR20060118567A (ko) * | 2003-12-31 | 2006-11-23 | 에프씨아이 | 전력 접점과 이를 포함하는 커넥터 |
| CN100414134C (zh) * | 2004-01-15 | 2008-08-27 | 洛德公司 | 旋翼式飞机杆端和制造具有预倾斜取向的直升机杆端的方法 |
| US7476108B2 (en) * | 2004-12-22 | 2009-01-13 | Fci Americas Technology, Inc. | Electrical power connectors with cooling features |
| US7384289B2 (en) | 2005-01-31 | 2008-06-10 | Fci Americas Technology, Inc. | Surface-mount connector |
| US7303427B2 (en) | 2005-04-05 | 2007-12-04 | Fci Americas Technology, Inc. | Electrical connector with air-circulation features |
| US7425145B2 (en) * | 2006-05-26 | 2008-09-16 | Fci Americas Technology, Inc. | Connectors and contacts for transmitting electrical power |
| US7641500B2 (en) * | 2007-04-04 | 2010-01-05 | Fci Americas Technology, Inc. | Power cable connector system |
| US7905731B2 (en) * | 2007-05-21 | 2011-03-15 | Fci Americas Technology, Inc. | Electrical connector with stress-distribution features |
| US7762857B2 (en) | 2007-10-01 | 2010-07-27 | Fci Americas Technology, Inc. | Power connectors with contact-retention features |
| US8062051B2 (en) * | 2008-07-29 | 2011-11-22 | Fci Americas Technology Llc | Electrical communication system having latching and strain relief features |
| US9884680B2 (en) * | 2008-12-11 | 2018-02-06 | Sikorsky Aircraft Corporation | Elastomeric bearing system motion limiter |
| USD606496S1 (en) | 2009-01-16 | 2009-12-22 | Fci Americas Technology, Inc. | Right-angle electrical connector |
| USD640637S1 (en) | 2009-01-16 | 2011-06-28 | Fci Americas Technology Llc | Vertical electrical connector |
| USD606497S1 (en) | 2009-01-16 | 2009-12-22 | Fci Americas Technology, Inc. | Vertical electrical connector |
| USD608293S1 (en) | 2009-01-16 | 2010-01-19 | Fci Americas Technology, Inc. | Vertical electrical connector |
| USD664096S1 (en) | 2009-01-16 | 2012-07-24 | Fci Americas Technology Llc | Vertical electrical connector |
| USD610548S1 (en) | 2009-01-16 | 2010-02-23 | Fci Americas Technology, Inc. | Right-angle electrical connector |
| USD619099S1 (en) | 2009-01-30 | 2010-07-06 | Fci Americas Technology, Inc. | Electrical connector |
| US8323049B2 (en) * | 2009-01-30 | 2012-12-04 | Fci Americas Technology Llc | Electrical connector having power contacts |
| US8366485B2 (en) | 2009-03-19 | 2013-02-05 | Fci Americas Technology Llc | Electrical connector having ribbed ground plate |
| USD618180S1 (en) | 2009-04-03 | 2010-06-22 | Fci Americas Technology, Inc. | Asymmetrical electrical connector |
| USD618181S1 (en) | 2009-04-03 | 2010-06-22 | Fci Americas Technology, Inc. | Asymmetrical electrical connector |
| EP2504230B1 (en) * | 2009-11-23 | 2017-10-11 | LORD Corporation | A rotary wing aircraft bearing for rotary wing aircraft motions |
| WO2011106050A2 (en) * | 2009-11-23 | 2011-09-01 | Lord Corporation | Elastomeric high capacity laminated rotary wing aircraft bearing for rotary wing aircraft |
| US9068621B1 (en) | 2010-11-23 | 2015-06-30 | Lord Corporation | Rotary wing aircraft bearing for rotary wing aircraft motions |
| US9555880B2 (en) * | 2011-02-09 | 2017-01-31 | Sikorsky Aircraft Corporation | Flexbeam rotor |
| US9327832B2 (en) | 2011-10-03 | 2016-05-03 | Bell Helicopter Textron Inc. | Elastomeric bearing with tapered shims |
| US9085357B2 (en) * | 2011-11-15 | 2015-07-21 | Textron Innovations Inc. | Rotor hub bearing system |
| EP2624034A1 (en) | 2012-01-31 | 2013-08-07 | Fci | Dismountable optical coupling device |
| USD727852S1 (en) | 2012-04-13 | 2015-04-28 | Fci Americas Technology Llc | Ground shield for a right angle electrical connector |
| USD727268S1 (en) | 2012-04-13 | 2015-04-21 | Fci Americas Technology Llc | Vertical electrical connector |
| US9257778B2 (en) | 2012-04-13 | 2016-02-09 | Fci Americas Technology | High speed electrical connector |
| US8944831B2 (en) | 2012-04-13 | 2015-02-03 | Fci Americas Technology Llc | Electrical connector having ribbed ground plate with engagement members |
| USD718253S1 (en) | 2012-04-13 | 2014-11-25 | Fci Americas Technology Llc | Electrical cable connector |
| US9543703B2 (en) | 2012-07-11 | 2017-01-10 | Fci Americas Technology Llc | Electrical connector with reduced stack height |
| USD751507S1 (en) | 2012-07-11 | 2016-03-15 | Fci Americas Technology Llc | Electrical connector |
| USD745852S1 (en) | 2013-01-25 | 2015-12-22 | Fci Americas Technology Llc | Electrical connector |
| US10000283B2 (en) * | 2013-03-14 | 2018-06-19 | William L. Hinks | Negative spring compensation for elastomeric bearing torque |
| US9285005B2 (en) * | 2013-03-14 | 2016-03-15 | William Lloyd Hinks | Negative spring compensation for elastomeric bearing torque |
| USD720698S1 (en) | 2013-03-15 | 2015-01-06 | Fci Americas Technology Llc | Electrical cable connector |
| US9334048B2 (en) * | 2013-09-18 | 2016-05-10 | Bell Helicopter Textron Inc. | Elastomeric bearing having tapered layers |
| US10233992B2 (en) * | 2017-07-31 | 2019-03-19 | Aktiebolaget Skf | Elastomeric bearing component with wedge-shaped shims |
| US10738852B1 (en) * | 2019-03-29 | 2020-08-11 | Aktiebolaget Skf | Laminated bearing assembly with differing shim thicknesses |
| US11505312B2 (en) | 2019-04-22 | 2022-11-22 | Lockheed Martin Corporation | Main rotor damper elastomeric rod end |
| US10960973B1 (en) * | 2020-01-09 | 2021-03-30 | Aktiebolaget Skf | Radially bisected laminated elastomeric bearing for helicopter pylon mount |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4040690A (en) * | 1975-11-17 | 1977-08-09 | Lord Corporation | Laminated bearing |
| US4244677A (en) * | 1978-07-12 | 1981-01-13 | United Technologies Corporation | Cross-beam helicopter rotor with readily replaceable snubber |
| US5092738A (en) * | 1990-04-06 | 1992-03-03 | United Technologies Corporation | Flexbeam helicopter rotor with improved snubber-vibration damper between the torque tube and the flexible spar member |
| US5188513A (en) * | 1990-12-17 | 1993-02-23 | United Technologies Corporation | Snubber-bearing with combined elastomer laminates |
| CA2055202C (en) * | 1990-12-17 | 1992-06-18 | Francis E. Byrnes | Snubber-bearing with combined elastomer laminates |
| US6045328A (en) * | 1998-09-23 | 2000-04-04 | Lord Corporation | Fluid damper including flexible damping plate |
-
2003
- 2003-04-18 US US10/418,381 patent/US6848886B2/en not_active Expired - Lifetime
-
2004
- 2004-04-16 JP JP2006510115A patent/JP4713467B2/ja not_active Expired - Lifetime
- 2004-04-16 CA CA002490653A patent/CA2490653C/en not_active Expired - Fee Related
- 2004-04-16 WO PCT/US2004/011754 patent/WO2004094859A2/en not_active Ceased
- 2004-04-16 EP EP04750209A patent/EP1616111B1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP4713467B2 (ja) | 2011-06-29 |
| WO2004094859A3 (en) | 2005-05-12 |
| WO2004094859A2 (en) | 2004-11-04 |
| CA2490653A1 (en) | 2004-11-04 |
| US6848886B2 (en) | 2005-02-01 |
| EP1616111A4 (en) | 2006-06-21 |
| JP2006524608A (ja) | 2006-11-02 |
| US20040208745A1 (en) | 2004-10-21 |
| EP1616111B1 (en) | 2012-08-15 |
| EP1616111A2 (en) | 2006-01-18 |
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| CA2490653C (en) | Snubber | |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |
Effective date: 20130416 |