Invention Grant
- Patent Title: Woodworking machine with linear direct drive
- Patent Title (中): 木工机具有线性直接驱动
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Application No.: US11816473Application Date: 2006-02-07
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Publication No.: US07859142B2Publication Date: 2010-12-28
- Inventor: Hans Ulrich Armeit , Ralph Burgstahler , Zeljko Jajtic , Markus Knorr , Andreas Rust , Stefan Schiele , Hartmut Schirdewahn , Roland Schultheiss
- Applicant: Hans Ulrich Armeit , Ralph Burgstahler , Zeljko Jajtic , Markus Knorr , Andreas Rust , Stefan Schiele , Hartmut Schirdewahn , Roland Schultheiss
- Applicant Address: DE Munich
- Assignee: Siemens Aktiengesellschaft
- Current Assignee: Siemens Aktiengesellschaft
- Current Assignee Address: DE Munich
- Agent Henry M. Feiereisen; Ursula B. Day
- Priority: DE102005007489 20050217
- International Application: PCT/EP2006/050711 WO 20060207
- International Announcement: WO2006/087274 WO 20060824
- Main IPC: H02K41/02
- IPC: H02K41/02

Abstract:
The aim of the invention is to provide a robust, simple woodworking machine. To achieve this, the invention provides a machine comprising at least one linear direct drive, which contains a primary part (3, 3a, 3b, 4, 4a, 4b) with a first element (9, 10, 12, 14) for generating a first magnetic field and at least one additional element (17, 18, 20, 27, 28, 29, 30) for generating an additional magnetic field. The first element (9) for generating the first magnetic field is positioned, in particular, in such a way in relation to the additional element (17, 18, 20, 27, 28, 29, 30) for generating the additional magnetic field that the first magnetic field overlaps the additional magnetic field. The machine also comprises a secondary part (5, 6, 6a, 6b), which comprises magnetic return elements and is devoid of magnetic sources. According to the invention, the primary part (3, 3a, 3b, 4, 4a, 4b) and/or the secondary part (5, 6, 6a, 6b) is or are suitable for guiding or placing at least one workpiece and/or for guiding and/or placing at least one tool for machining the workpiece.
Public/Granted literature
- US20080265689A1 Woodworking Machine With Linear Direct Drive Public/Granted day:2008-10-30
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