WO2024043814 - A SYSTEM FOR CHARGING CORDLESS POWER TOOL BATTERIES
National phase entry:
Publication Number
WO/2024/043814
Publication Date
29.02.2024
International Application No.
PCT/SE2023/050762
International Filing Date
31.07.2023
Title **
[English]
A SYSTEM FOR CHARGING CORDLESS POWER TOOL BATTERIES
[French]
SYSTÈME PERMETTANT DE CHARGER DES BATTERIES D'OUTIL ÉLECTRIQUE SANS FIL
Applicants **
HUSQVARNA AB
Inventors
ENRIQUEZ, Ruben
EIDSON, David
EASTERLY, Jack
BOOTH, Daniel
DILDINE, Paul
WARFEL, Paul
Priority Data
63/399,882
22.08.2022
US
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 |
SPRO
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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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Quotation for National Phase entry
| Country | Stages | Total | |
|---|---|---|---|
| China | Filing, Examination, Granting | 2252 | |
| EPO | Filing, Examination, Granting | 12846 | |
| Japan | Filing, Examination, Granting | 2378 | |
| South Korea | Filing, Examination, Granting | 2580 | |
| USA | Filing, Examination, Granting | 5140 |
Total:
25,196
The term for entry into the National Phase has expired. This quotation is for informational purposes only
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Abstract[English]
A system for charging a plurality of cordless power tool batteries includes charging circuitry and a plurality of docking stations. The charging circuitry includes a plurality of electrical connectors connectable to up to j > 1 electrical loads, and primary control circuitry to direct DC output power to k ≤ j of the electrical connectors that are connected to k ≤ j electrical loads, separately and in succession. The plurality of docking stations are connectable to the plurality of electrical connectors as the k ≤ j electrical loads. Each docking station includes charging ports to receive up to m > 1 of the cordless power tool batteries, and secondary control circuitry to direct the DC output power to recharge n ≤ m of the cordless power tool batteries that are received by the plurality of charging ports, separately and in succession under control of the primary control circuitry.[French]
L'invention concerne un système permettant de charger une pluralité de batteries d'outil électrique sans fil qui comprend un ensemble de circuits de charge et une pluralité de stations d'accueil. L'ensemble de circuits de charge comprend une pluralité de connecteurs électriques pouvant être connectés à j > 1 charges électriques, et un ensemble de circuits de commande primaire pour diriger une puissance de sortie de c.c. vers k ≤ j des connecteurs électriques qui sont raccordés à k ≤ j charges électriques, séparément et successivement. La pluralité de stations d'accueil peuvent être raccordées à la pluralité de connecteurs électriques en tant que k ≤ j charges électriques. Chaque station d'accueil comprend des ports de charge pour recevoir jusqu'à m > 1 des batteries d'outil électrique sans fil, et un ensemble de circuits de commande secondaire pour diriger la puissance de sortie de c.c. pour recharger n ≤ m des batteries d'outil électrique sans fil qui sont reçues par la pluralité de ports de charge, séparément et successivement sous la commande de l'ensemble de circuits de commande primaire.