US 12,318,905 B2
Apparatus and system for supplying a power tool with electrical energy, and use of the apparatus for this purpose
Michael Lacher, Schwabmuenchen (DE); Stefan Ringler, Schwabmuehlhausen (DE); and Christian Sattler, Biessenhofen (DE)
Assigned to Hilti Aktiengesellschaft, Schaan (LI)
Appl. No. 18/273,792
Filed by Hilti Aktiengesellschaft, Schaan (LI)
PCT Filed Nov. 23, 2021, PCT No. PCT/EP2021/082650
§ 371(c)(1), (2) Date Jul. 24, 2023,
PCT Pub. No. WO2022/179721, PCT Pub. Date Sep. 1, 2022.
Claims priority of application No. 21159607 (EP), filed on Feb. 26, 2021.
Prior Publication US 2024/0316744 A1, Sep. 26, 2024
Int. Cl. B25F 5/00 (2006.01); H02M 1/00 (2007.01)
CPC B25F 5/00 (2013.01) [H02M 1/007 (2021.05)] 24 Claims
OG exemplary drawing
 
1. An apparatus for supplying a power tool with electrical energy, the apparatus comprising:
a first converter for converting an AC voltage into a DC voltage; and
a second converter configured to convert the DC voltage into a device DC voltage;
wherein the housing has a volume in a range from 1000 to 1700 cm3.