WO2026027974 - CONTROLLER, VACUUM PUMP AND METHOD FOR PUMPING HYDROGEN GAS
National phase entry is expected:
Publication Number
WO/2026/027974
Publication Date
05.02.2026
International Application No.
PCT/IB2025/056719
International Filing Date
02.07.2025
Title **
[English]
CONTROLLER, VACUUM PUMP AND METHOD FOR PUMPING HYDROGEN GAS
[French]
DISPOSITIF DE COMMANDE, POMPE À VIDE ET PROCÉDÉ DE POMPAGE D'HYDROGÈNE GAZEUX
Applicants **
EDWARDS KOREA LIMITED
Inventors
KIM, JaeHo
Priority Data
2411367.2
01.08.2024
GB
Application details
| Total Number of Claims/PCT | * |
| Number of Independent Claims | * |
| Number of Priorities | * |
| Number of Multi-Dependent Claims | * |
| Number of Drawings | * |
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International Searching Authority |
MOIP
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| 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
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| Applicant's Legal Status |
Legal Entity
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| * | |
| * | |
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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 | 2067 | |
| EPO | Filing, Examination, Granting | 11561 | |
| Japan | Filing, Examination, Granting | 2151 | |
| South Korea | Filing, Examination, Granting | 1605 | |
| USA | Filing, Examination, Granting | 5340 |
Total:
22,724
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Abstract[English]
A method (500) of controlling a vacuum pump to pump hydrogen gas with minimal or no supplementary purge gas, the method (500) comprising controlling (501) a rotor of the vacuum pump to operate in a first mode for pumping hydrogen gas, wherein a first rotation frequency of the rotor in the first mode is controlled to be greater than or equal to 120Hz.[French]
L'invention concerne un procédé (500) de commande d'une pompe à vide pour pomper de l'hydrogène gazeux avec un gaz de purge complémentaire minimal ou nul, le procédé (500) comprenant la commande (501) d'un rotor de la pompe à vide pour fonctionner dans un premier mode et pomper de l'hydrogène gazeux, une première fréquence de rotation du rotor dans le premier mode étant commandée de façon à être supérieure ou égale à 120 Hz.