FR2344825A1 - Installation et procede de reflexion ultrasonique d'impulsions permettant de prevoir la duree de vie residuelle des pneumatiques - Google Patents

Installation et procede de reflexion ultrasonique d'impulsions permettant de prevoir la duree de vie residuelle des pneumatiques

Info

Publication number
FR2344825A1
FR2344825A1 FR7707903A FR7707903A FR2344825A1 FR 2344825 A1 FR2344825 A1 FR 2344825A1 FR 7707903 A FR7707903 A FR 7707903A FR 7707903 A FR7707903 A FR 7707903A FR 2344825 A1 FR2344825 A1 FR 2344825A1
Authority
FR
France
Prior art keywords
tires
predict
installation
ultrasonic pulse
pulse reflection
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.)
Withdrawn
Application number
FR7707903A
Other languages
English (en)
Inventor
Irvin R Kraska
Thomas A Mathieson
Richard N Johnson
Wieslaw L Lichodziejewski
David Leo Gamache
Leon Ash
John Stark
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.)
Gard Inc
Original Assignee
Gard 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 US05/667,417 external-priority patent/US4089225A/en
Priority claimed from US05/776,273 external-priority patent/US4089226A/en
Application filed by Gard Inc filed Critical Gard Inc
Publication of FR2344825A1 publication Critical patent/FR2344825A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/36—Detecting the response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/40—Detecting the response signal, e.g. electronic circuits specially adapted therefor by amplitude filtering, e.g. by applying a threshold or by gain control
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M17/00—Testing of vehicles
    • G01M17/007—Wheeled or endless-tracked vehicles
    • G01M17/02—Tyres
    • G01M17/025—Tyres using infrasonic, sonic or ultrasonic vibrations
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/04—Analysing solids
    • G01N29/06—Visualisation of the interior, e.g. acoustic microscopy
    • G01N29/0609—Display arrangements, e.g. colour displays
    • G01N29/0645—Display representation or displayed parameters, e.g. A-, B- or C-Scan
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/04—Analysing solids
    • G01N29/11—Analysing solids by measuring attenuation of acoustic waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/025—Change of phase or condition
    • G01N2291/0258—Structural degradation, e.g. fatigue of composites, ageing of oils
FR7707903A 1976-03-16 1977-03-16 Installation et procede de reflexion ultrasonique d'impulsions permettant de prevoir la duree de vie residuelle des pneumatiques Withdrawn FR2344825A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/667,417 US4089225A (en) 1976-03-16 1976-03-16 System for residual tire life prediction by ultrasound
US05/776,273 US4089226A (en) 1977-03-10 1977-03-10 System for residual tire life prediction by ultrasound

Publications (1)

Publication Number Publication Date
FR2344825A1 true FR2344825A1 (fr) 1977-10-14

Family

ID=27099679

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7707903A Withdrawn FR2344825A1 (fr) 1976-03-16 1977-03-16 Installation et procede de reflexion ultrasonique d'impulsions permettant de prevoir la duree de vie residuelle des pneumatiques

Country Status (5)

Country Link
JP (1) JPS52140101A (fr)
DE (1) DE2712073A1 (fr)
FR (1) FR2344825A1 (fr)
GB (1) GB1537660A (fr)
IT (1) IT1116411B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6176951A (ja) * 1984-09-21 1986-04-19 Nippon Telegr & Teleph Corp <Ntt> 鋼管、鋼管柱等の残存寿命判定装置
JP7076870B2 (ja) 2018-08-06 2022-05-30 青島極致創新科技有限公司 プランジャーポンプ及びプランジャーモータ

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5542331B2 (fr) * 1974-05-09 1980-10-30

Also Published As

Publication number Publication date
JPS5627818B2 (fr) 1981-06-27
GB1537660A (en) 1979-01-04
JPS52140101A (en) 1977-11-22
IT1116411B (it) 1986-02-10
DE2712073A1 (de) 1977-09-22

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Legal Events

Date Code Title Description
ST Notification of lapse