WO2026047428 - SEAL ASSEMBLY

National phase entry is expected:
Publication Number WO/2026/047428
Publication Date 05.03.2026
International Application No. PCT/IB2025/057342
International Filing Date 21.07.2025
Title **
[English] SEAL ASSEMBLY
[French] ENSEMBLE JOINT D'ÉTANCHÉITÉ
Applicants **
EDWARDS VACUUM LLC
Inventors
SZAREK, Gerard M.
Priority Data
2412619.5   28.08.2024   GB
Application details
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译文

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Quotation for National Phase entry

Country StagesTotal
China Filing, Examination, Granting2113
EPO Filing, Examination, Granting9637
Japan Filing, Examination, Granting2246
South Korea Filing, Examination, Granting2254
USA Filing, Examination, Granting4740
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Total: 20,990
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Abstract[English] Seal assembly (10) for a displacer of a cryo-cooler, comprising a first ring element (12) and at least one separate second ring element (14). Therein, each ring element (12, 14) comprise a first axial surface (20) and an opposite second axial surface (26), a central opening (28) to receive a displacer body (34) of the displacer, and a radial outer surface (24) to provide a seal surface in contact with a housing (32) of the displacer. The second axial surface (26) of the first ring element (12) is in direct contact with the first axial surface (20) of the second ring element (14).[French] L'invention concerne un ensemble joint d'étanchéité (10) pour un dispositif de déplacement d'un cryo-refroidisseur, comprenant un premier élément annulaire (12) et au moins un second élément annulaire distinct (14). Chaque élément annulaire (12, 14) comprend une première surface axiale (20) et une seconde surface axiale opposée (26), une ouverture centrale (28) destinée à recevoir un corps de déplacement (34) du dispositif de déplacement, et une surface externe radiale (24) destinée à fournir une surface d'étanchéité en contact avec un logement (32) du dispositif de déplacement. La seconde surface axiale (26) du premier élément annulaire (12) est en contact direct avec la première surface axiale (20) du second élément annulaire (14).