Invention Grant
- Patent Title: Cable roller with a frequency converter device
- Patent Title (中): 带变频器的电缆辊
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Application No.: US10498611Application Date: 2002-12-18
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Publication No.: US07044413B2Publication Date: 2006-05-16
- Inventor: Michael Steffen
- Applicant: Michael Steffen
- Applicant Address: DE Munich
- Assignee: Wacker Construction Equipment AG
- Current Assignee: Wacker Construction Equipment AG
- Current Assignee Address: DE Munich
- Agency: Boyle Fredrickson Newholm Stein & Gratz S.C.
- Priority: DE10164304 20011228
- International Application: PCT/EP02/14498 WO 20021218
- International Announcement: WO03/056675 WO 20030710
- Main IPC: B65H75/44
- IPC: B65H75/44
Abstract:
A frequency converter device is integrated inside a cable roller, in such a manner that at least one socket is supplied at special frequency. The socket does not rotate when the cable is wound or unwound on the drum. Furthermore, optimal cooling is created and the frequency converter device is made of at least one frequency converter enabling a special frequency to be provided.
Public/Granted literature
- US20050224307A1 Cable roller with a frequency converter device Public/Granted day:2005-10-13
Information query
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