Power unit

Electricity: motive power systems – Motor structure adjustment or control – Both armature and field structures rotatable or adjustable

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C318S540000, C310S115000, C475S005000, C180S065100, C180S065600

Reexamination Certificate

active

07863847

ABSTRACT:
A power unit which makes it possible to reduce power transmitted from a prime mover to a driven part via an electrical path, to thereby increase the efficiency of driving the driven part. A first rotating machine of the power unit inputs and outputs energy between a stator and first and second rotors thereof, via magnetic circuits formed by generation of a rotating magnetic field, and the rotating magnetic field, and the rotors rotate while maintaining a linear relation in which respective differences in rotational speed between the rotating magnetic field and the second rotor, and between the second and first rotors are equal. The rotors are mechanically connected to a prime mover and a transmission, respectively. A second rotating machine of the power unit is mechanically connected to a drive part without via the transmission, and electrically connected to the stator.

REFERENCES:
patent: 5225744 (1993-07-01), Ishikawa et al.
patent: 5346441 (1994-09-01), Kurz et al.
patent: 6005358 (1999-12-01), Radev
patent: 6159127 (2000-12-01), Loeffler et al.
patent: 6401849 (2002-06-01), Seguchi et al.
patent: 7497285 (2009-03-01), Radev
patent: 2003/0181276 (2003-09-01), Minagawa et al.
patent: 2007/0213158 (2007-09-01), Laeuffer
patent: 2008/0142284 (2008-06-01), Qu et al.
patent: 2010/0025128 (2010-02-01), Abe et al.
patent: 2010/0056312 (2010-03-01), Akutsu et al.
patent: 2010/0071974 (2010-03-01), Akutsu et al.
patent: 2010/0170732 (2010-07-01), Glaser et al.
patent: 296 24 299 U 1 (2002-01-01), None
patent: 1 340 645 (2003-09-01), None
patent: 2 834 248 (2003-07-01), None
patent: 2 834 938 (2003-07-01), None
patent: 2000-197324 (2000-07-01), None
Erik Nordlund et al., “The Four-Quadrant Energy Transducer”, Conference Record of the 2002 IEEE Industry Applications Conference, Oct. 2002, pp. 390-397.
European Search Report 08159708.0-2421/2020326 dated Jul. 9, 2009.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Power unit does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Power unit, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Power unit will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-2714005

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.