WO2026028119 - DRY GAS SEAL SYSTEM
National phase entry is expected:
Publication Number
WO/2026/028119
Publication Date
05.02.2026
International Application No.
PCT/IB2025/057731
International Filing Date
30.07.2025
Title **
[English]
DRY GAS SEAL SYSTEM
[French]
SYSTÈME D'ÉTANCHÉITÉ À GAZ SEC
Applicants **
JOHN CRANE INC.
Inventors
LOPEZ, Isaac
VARSANI, Ashvin
ORANGE, Jasper
PICKENS, David
TUTTLE, Brandon
SIHRA, Inderpal
Priority Data
63/677,541
31.07.2024
US
Application details
| Total Number of Claims/PCT | * |
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International Searching Authority |
EPO
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| Recordal of a Change of the Applicant's Name/Address |
Change of Applicant's Name and Address
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| Type of Assignment |
The Standard Agent's Assignment
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| Applicant's Legal Status |
Legal Entity
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| Entry into National Phase under |
Chapter I
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| Patent Delivery |
Send the Letters Patent by Courier
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| Translation |
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* The data is based on automatic recognition. Please verify and amend if necessary.
** IP-Coster compiles data from publicly available sources. If this data includes your personal information, you can contact us to request its removal.
Quotation for National Phase entry
| Country | Stages | Total | |
|---|---|---|---|
| China | Filing, Examination, Granting | 2226 | |
| EPO | Filing, Examination, Granting | 11750 | |
| Japan | Filing, Examination, Granting | 2387 | |
| South Korea | Filing, Examination, Granting | 2483 | |
| USA | Filing, Examination, Granting | 5740 |
Total:
24,586
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Abstract[English]
The present invention relates to a dry gas seal system for rotating equipment operating on a process fluid, said seal system comprising an axial end face separation seal and an oleophobic coating disposed at least partially over surfaces of the separation seal as defined herein. The present invention also relates to the coated axial end face separation seal of use in the system, as well as methods of operating the system and providing the coated axial end face separation seal as defined herein.[French]
La présente invention concerne un système d'étanchéité à gaz sec pour un équipement rotatif fonctionnant sur un fluide de traitement, ledit système d'étanchéité comprenant un joint d'étanchéité de séparation de face d'extrémité axiale et un revêtement oléophobe disposé au moins partiellement sur des surfaces du joint d'étanchéité de séparation tel que présentement défini. La présente invention concerne également le joint d'étanchéité de séparation de face d'extrémité axiale revêtu destiné à être utilisé dans le système, ainsi que des procédés de fonctionnement du système et de fourniture du joint d'étanchéité de séparation de face d'extrémité axiale revêtu tel que présentement défini.