Global Patent Index - EP 2025476 A1

EP 2025476 A1 2009-02-18 - Electric hand tool

Title (en)

Electric hand tool

Title (de)

Elektrohandwerkzeuggerät

Title (fr)

Outil électrique manuel

Publication

EP 2025476 A1 (DE)

Application

EP 08104549 A

Priority

DE 102007038555 A

Abstract (en)

The device (11) has an outer housing (12) in which a motor (16), drive (17), hammer mechanism (18) and control electronic system (19) are provided. A closed cycle cooling system (21) is provided for a coolant e.g. water, for cooling the motor, drive, hammer mechanism and control electronic system. A heat exchanger (26) is provided in the closed cycle cooling system for cooling the coolant, and is firmly connected with the device, where the heat exchanger is arranged at the outer housing. A pressure generating pump (31) is provided downstream to the closed cycle cooling system for the coolant.

Abstract (de)

Ein Elektrohandwerkzeuggerät (11) weist ein Aussengehäuse (12) auf, in dem ein Motor (16), ein Getriebe (17), ein Schlagwerk (18) und eine Steuerungselektronik (19) sowie ein geschlossener Kühlkreislauf (21) für ein Kühlmedium zur Kühlung der vorgenannten Komponenten des Elektrohandwerkzeuggerätes (11) vorgesehen sind. Im Kühlkreislauf (21) ist zur Kühlung des Kühlmediums ein fest mit dem Elektrohandwerkzeuggerät (11) verbundener Wärmetauscher (26) vorgesehen.

IPC 8 full level (invention and additional information)

B25D 17/22 (2006.01); B23Q 11/12 (2006.01)

CPC (invention and additional information)

B25D 17/22 (2013.01)

Citation (applicant)

DE 10037418 A1 20020207 - HILTI AG [LI]

Citation (search report)

Designated contracting state (EPC)

CH DE FR GB IT LI SE

Designated extension state (EPC)

AL BA MK RS

EPO simple patent family

EP 2025476 A1 20090218; EP 2025476 B1 20101027; DE 102007038555 A1 20090219; DE 502008001626 D1 20101209; US 2009044961 A1 20090219

INPADOC legal status


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