GB1352384A – Vibration-damped rotatable cylindrical member
– Google Patents
GB1352384A – Vibration-damped rotatable cylindrical member
– Google Patents
Vibration-damped rotatable cylindrical member
Info
Publication number
GB1352384A
GB1352384A
GB1563271*[A
GB1352384DA
GB1352384A
GB 1352384 A
GB1352384 A
GB 1352384A
GB 1352384D A
GB1352384D A
GB 1352384DA
GB 1352384 A
GB1352384 A
GB 1352384A
Authority
GB
United Kingdom
Prior art keywords
layer
cylinder
viscoelastic layer
bonded
pulley
Prior art date
1969-08-05
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
Application number
GB1563271*[A
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.)
Individual
Original Assignee
Individual
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.)
1969-08-05
Filing date
1971-05-18
Publication date
1974-05-08
1971-05-18
Application filed by Individual
filed
Critical
Individual
1974-05-08
Publication of GB1352384A
publication
Critical
patent/GB1352384A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
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
F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
F16F15/14—Suppression of vibrations in rotating systems by making use of members moving with the system using masses freely rotating with the system, i.e. uninvolved in transmitting driveline torque, e.g. rotative dynamic dampers
F16F15/1407—Suppression of vibrations in rotating systems by making use of members moving with the system using masses freely rotating with the system, i.e. uninvolved in transmitting driveline torque, e.g. rotative dynamic dampers the rotation being limited with respect to the driving means
F16F15/1414—Masses driven by elastic elements
F16F15/1435—Elastomeric springs, i.e. made of plastic or rubber
F16F15/1442—Elastomeric springs, i.e. made of plastic or rubber with a single mass
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
F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
F16C13/00—Rolls, drums, discs, or the like; Bearings or mountings therefor
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
F16H—GEARING
F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
F16H55/32—Friction members
F16H55/36—Pulleys
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
F16H—GEARING
F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
F16H55/32—Friction members
F16H55/36—Pulleys
F16H2055/366—Pulleys with means providing resilience or vibration damping
Abstract
1352384 Acoustically deadening pulleys; vibration damping K TSUNODA 18 May 1971 15632/71 Headings F2Q and F2S To acoustically deaden a belt driven pulley or whorl, connected via radial webs 2 and a hub 3 to a shaft 4, a viscoelastic layer 5 is arranged between inner and outer cylindrical members 1, 6 one, i.e. the outer cylinder 6, of which is longitudinally split, i.e. as shown helically, split, and is of a lesser wall thickness than that of the other complete cylinder 1. In Figs. 3 and 4 (not shown) the viscoelastic layer (15) is arranged between each of the webs (12) within a complete pulley cylinder (11), three equal cylindrical segments (16) being bonded to the inner surface of the layer (15). In Figs. 5 and 6 (not shown) the pulley is formed as a cylindrical cup (21) connected by an end flange (22) to the shaft (24), two semi-cylindrical segments (26) being bonded to a viscoelastic layer (25) coated on the internal surface of the cup (21). In Figs. 7 and 8 (not shown) the pulley is formed as a spool cylinder (31) with end flanges (32), four cylindrical segments (36) being bonded to a viscoelastic layer (35) coated within the cylinder (31) and additionally the outer faces of the end flanges (32) are each coated with a viscoelestic layer (39) and a discontinuous i.e. split disc (40) is bonded to each layer. Glycol-diisocyanate copolymers are particularly suitable for the viscoelastic layer. Other viscoelastic layer materials are also specified.
GB1563271*[A
1969-08-05
1971-05-18
Vibration-damped rotatable cylindrical member
Expired
GB1352384A
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
US84768369A
1969-08-05
1969-08-05
Publications (1)
Publication Number
Publication Date
GB1352384A
true
GB1352384A
(en)
1974-05-08
Family
ID=25301231
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB1563271*[A
Expired
GB1352384A
(en)
1969-08-05
1971-05-18
Vibration-damped rotatable cylindrical member
Country Status (5)
Country
Link
US
(1)
US3606802A
(en)
CH
(1)
CH543681A
(en)
DE
(1)
DE2129112C3
(en)
FR
(1)
FR2140848A5
(en)
GB
(1)
GB1352384A
(en)
Cited By (2)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
GB2138097A
(en)
*
1983-04-13
1984-10-17
Ford Motor Co
Reduction of crankshaft noise from an internal combustion engine
EP0408040A1
(en)
*
1989-07-14
1991-01-16
Tokai Rubber Industries, Ltd.
Dynamic damper
Families Citing this family (4)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
DE2801811C2
(en)
*
1978-01-17
1984-01-12
Ernst Prof. Dr.-Ing. 2106 Bendestorf Saljé
Disc-like rotatable object such as a tool or the like provided with provisions for vibration damping.
US4833938A
(en)
*
1987-08-10
1989-05-30
Elco Industries, Inc.
Rotary motion dampener
US5036726A
(en)
*
1988-07-22
1991-08-06
Woco Franz-Josef Wolf & Co.
Torsional-vibration damper
DE4025848A1
(en)
*
1990-08-16
1992-02-20
Pahl Gummi Asbest
TURNING VIBRATION
1969
1969-08-05
US
US847683A
patent/US3606802A/en
not_active
Expired – Lifetime
1971
1971-05-18
GB
GB1563271*[A
patent/GB1352384A/en
not_active
Expired
1971-06-09
FR
FR7120966A
patent/FR2140848A5/fr
not_active
Expired
1971-06-11
DE
DE2129112A
patent/DE2129112C3/en
not_active
Expired
1971-06-15
CH
CH880971A
patent/CH543681A/en
not_active
IP Right Cessation
Cited By (4)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
GB2138097A
(en)
*
1983-04-13
1984-10-17
Ford Motor Co
Reduction of crankshaft noise from an internal combustion engine
US4543924A
(en)
*
1983-04-13
1985-10-01
Ford Motor Company
Reduction of crankshaft noise from an internal combustion engine
EP0408040A1
(en)
*
1989-07-14
1991-01-16
Tokai Rubber Industries, Ltd.
Dynamic damper
US5135204A
(en)
*
1989-07-14
1992-08-04
Tokai Rubber Industries, Ltd.
Dynamic damper
Also Published As
Publication number
Publication date
DE2129112A1
(en)
1972-12-21
FR2140848A5
(en)
1973-01-19
CH543681A
(en)
1973-12-14
DE2129112B2
(en)
1979-12-06
US3606802A
(en)
1971-09-21
DE2129112C3
(en)
1980-08-07
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Legal Events
Date
Code
Title
Description
1974-09-18
PS
Patent sealed [section 19, patents act 1949]
1982-12-15
PCNP
Patent ceased through non-payment of renewal fee
