Electrical generator or motor structure – Dynamoelectric – Linear
Reexamination Certificate
2011-04-19
2011-04-19
Lam, Thanh (Department: 2834)
Electrical generator or motor structure
Dynamoelectric
Linear
C310S012180
Reexamination Certificate
active
07928611
ABSTRACT:
An electric motor with a magnet free main drive component, as stator or secondary part, having a measuring system for determining positions and directions with increased resolution is proposed. Said electric motor comprises a first engine part (140), being moveable in relation to a second engine part (110). A number of magnetic field sensor devices (160) of the measuring system are attached on the first engine part (140), being separated from each other along the direction of movement. The second engine part (110) comprises magnet free pole-teeth (120), being also separated from each other along the direction of movement. Each of the magnetic field sensor devices (160) has at least one magnet, the magnetic field thereof being directed through one of the pole-teeth (120) for detection by a sensor of the magnetic field sensor device. The space between each two of the magnetic field sensor device (160) is different to the space between each two of the pole-teeth (120). Thus, refined determination of the position, for example with a synchronous linear motor with permanent magnet free secondary part can be achieved.
REFERENCES:
patent: 4024458 (1977-05-01), Templin
patent: 4733177 (1988-03-01), Pawletko
patent: 5179304 (1993-01-01), Kenjo et al.
patent: 5801462 (1998-09-01), Yagoto et al.
patent: 5880541 (1999-03-01), Hinds et al.
patent: 5973459 (1999-10-01), Itoh
patent: 6476524 (2002-11-01), Miyamoto et al.
patent: 7262523 (2007-08-01), Faizullabhoy et al.
patent: 7746064 (2010-06-01), Knorr et al.
patent: 2002/0047315 (2002-04-01), Chitayat
patent: 2003/0048011 (2003-03-01), Kashkarov et al.
patent: 2006/0001390 (2006-01-01), Yamazaki et al.
patent: 2008/0265689 (2008-10-01), Armeit et al.
patent: 27 39 877 (1978-11-01), None
patent: 29 49 260 (1981-06-01), None
patent: 31 47 819 (1983-06-01), None
patent: 690 21 240 (1996-04-01), None
patent: 100 07 011 (2001-08-01), None
patent: 101 03 478 (2001-08-01), None
patent: 100 24 850 (2001-11-01), None
patent: 101 35 541 (2004-04-01), None
patent: 0 467 202 (1992-01-01), None
Day Ursula B.
Feiereisen Henry M.
Lam Thanh
Siemens Aktiengesellschaft
LandOfFree
Electric motor with a measurement system for position or... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Electric motor with a measurement system for position or..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Electric motor with a measurement system for position or... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2687051