CA2943754C - Attenuateur de profil aerodynamique - Google Patents

Attenuateur de profil aerodynamique Download PDF

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Publication number
CA2943754C
CA2943754C CA2943754A CA2943754A CA2943754C CA 2943754 C CA2943754 C CA 2943754C CA 2943754 A CA2943754 A CA 2943754A CA 2943754 A CA2943754 A CA 2943754A CA 2943754 C CA2943754 C CA 2943754C
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CA
Canada
Prior art keywords
blades
blade
leading edge
frame
pivot
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.)
Active
Application number
CA2943754A
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English (en)
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CA2943754A1 (fr
Inventor
Jan Cermak
Darrell Dotson
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.)
Acme Engineering and Manufacturing Corp
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Acme Engineering and Manufacturing Corp
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 US15/272,498 external-priority patent/US10619886B2/en
Application filed by Acme Engineering and Manufacturing Corp filed Critical Acme Engineering and Manufacturing Corp
Publication of CA2943754A1 publication Critical patent/CA2943754A1/fr
Application granted granted Critical
Publication of CA2943754C publication Critical patent/CA2943754C/fr
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Abstract

Un amortisseur de soufflante comprend un cadre et plusieurs aubes profilées creuses, chacune présentant un bord d'attaque, un bord de fuite, un joint d'étanchéité formé sur le bord de fuite et un pivot sur une ou lautre extrémité de chaque aube, chaque pivot comprenant une rallonge comportant un poids. Un joint d'étanchéité secondaire est placé entre les pivots et les côtés du cadre. Une barre déchelle raccorde les pivots. Lors de changements significatifs de la pression dair, par exemple à lallumage de la soufflante, les aubes profilées sont mises en mouvement contre les poids dune première position fermée en chevauchement par rapport au cadre, le joint détanchéité du bord de fuite dune aube relativement supérieure étant scellé en contact avec le bord d'attaque dune aube adjacente relativement inférieure, le joint détanchéité secondaire étant scellé en contact avec les pivots à une deuxième position ouverte. Les aubes profilées restent en position ouverte tant que la pression dair nest pas assez forte pour contrer leffet des poids. Lorsque la pression dair diminue suffisamment, les aubes retournent en position fermée en chevauchement.
CA2943754A 2015-10-01 2016-09-29 Attenuateur de profil aerodynamique Active CA2943754C (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US201562235985P 2015-10-01 2015-10-01
US62/235985 2015-10-01
US201562247982P 2015-10-29 2015-10-29
US62/247982 2015-10-29
US15/272498 2016-09-22
US15/272,498 US10619886B2 (en) 2015-10-01 2016-09-22 Airfoil damper

Publications (2)

Publication Number Publication Date
CA2943754A1 CA2943754A1 (fr) 2017-04-01
CA2943754C true CA2943754C (fr) 2023-08-22

Family

ID=58413273

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2943754A Active CA2943754C (fr) 2015-10-01 2016-09-29 Attenuateur de profil aerodynamique

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CA (1) CA2943754C (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024152525A1 (fr) * 2023-01-17 2024-07-25 台达电子工业股份有限公司 Armoire extérieure ayant une porte d'air de protection

Also Published As

Publication number Publication date
CA2943754A1 (fr) 2017-04-01

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