WO2026028153 - PUMPING RING FOR ROTARY SHAFT EQUIPMENT SEALS
National phase entry is expected:
Publication Number
WO/2026/028153
Publication Date
05.02.2026
International Application No.
PCT/IB2025/057815
International Filing Date
31.07.2025
Title **
[English]
PUMPING RING FOR ROTARY SHAFT EQUIPMENT SEALS
[French]
BAGUE DE POMPAGE POUR JOINTS D'ÉQUIPEMENT D'ARBRE ROTATIF
Applicants **
JOHN CRANE INC.
Inventors
LOPEZ, Arnaldo
COSTA, Rafael
MOLOTO, Tebogo
GAPASIN, Mica
GUPTA, Nikita
URIOSTEGUI, Laura
Priority Data
63/677,902
31.07.2024
US
19/285,308
30.07.2025
US
Application details
| Total Number of Claims/PCT | * |
| Number of Independent Claims | * |
| Number of Priorities | * |
| Number of Multi-Dependent Claims | * |
| Number of Drawings | * |
| Pages for Publication | * |
| Number of Pages with Drawings | * |
| Pages of Specification | * |
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| Number of Office Actions | * |
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International Searching Authority |
EPO
* |
| Recordal of a Change of the Applicant's Name/Address |
Change of Applicant's Name and Address
* |
| Type of Assignment |
The Standard Agent's Assignment
* |
| Applicant's Legal Status |
Legal Entity
* |
| * | |
| * | |
| * | |
| * | |
| * | |
| Entry into National Phase under |
Chapter I
* |
| Patent Delivery |
Send the Letters Patent by Courier
* |
| 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 | 2106 | |
| EPO | Filing, Examination, Granting | 8655 | |
| Japan | Filing, Examination, Granting | 2212 | |
| South Korea | Filing, Examination, Granting | 2137 | |
| USA | Filing, Examination, Granting | 4740 |
Total:
19,850
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Abstract[English]
A mechanical seal assembly configured to be coupled to a rotating shaft of a machine, includes: rotating and stationary rings configured so that rotating ring rotates with the shaft and relative to the stationary ring; and a rotating ring drive ring that includes features formed at least on an outer surface thereof, the rotating drive ring configured to hold the rotating ring in a fixed relationship relative the rotating shaft. The features can increase the flow rate of cooling fluid near the seal when in operation.[French]
L'invention concerne un ensemble joint mécanique conçu pour être couplé à un arbre rotatif d'une machine, qui comprend : des bagues rotatives et fixes conçues de sorte que la bague rotative tourne avec l'arbre et par rapport à la bague fixe ; et une bague d'entraînement de bague rotative qui comprend des éléments formés au moins sur une surface externe de celle-ci, la bague d'entraînement de bague rotative étant conçue pour maintenir la bague rotative dans une relation fixe par rapport à l'arbre rotatif. Les fonctionnalités peuvent augmenter le débit de fluide de refroidissement à proximité du joint lorsqu'il est en fonctionnement.