Low-energy storage fast-start uninterruptible power supply...

Prime-mover dynamo plants – Electric control – Engine control

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C290S00100C, C307S064000, C180S065230, C322S004000

Reexamination Certificate

active

07129593

ABSTRACT:
An uninterruptible power supply system has standby and backup modes and can change to backup mode upon detection of a grid fault. In both modes an alternator rotates at synchronous speed so that backup mode capability is ready. An energy storage unit through a DC-AC inverter remains coupled to the grid in standby mode so that it is charged, ready to supply power when changed to backup mode. In standby mode, first and third clutches are disengaged and engaged, transmitting alternator rotary motion to a flywheel but not therefrom to a heat engine. In backup mode, first and third clutch are engaged and disengaged to permit the alternator, via a second clutch, to overrun the flywheel and allow transmitting of flywheel torque to accelerate the heat engine to starting speed for driving the alternator to supply power to the grid after the engine is at operating speed and coupled to the alternator through a locked second clutch and an engaged third clutch.

REFERENCES:
patent: 3558901 (1971-01-01), Jacobus
patent: 3675112 (1972-07-01), Smith
patent: 4233858 (1980-11-01), Rowlett
patent: 4309620 (1982-01-01), Bock
patent: 4326158 (1982-04-01), Helgesen
patent: 4439720 (1984-03-01), Georges
patent: 4460834 (1984-07-01), Gottfried
patent: 4484083 (1984-11-01), Jefferies
patent: 4629947 (1986-12-01), Hammerslag et al.
patent: 4857755 (1989-08-01), Comstock
patent: 5285111 (1994-02-01), Sherman
patent: 5646458 (1997-07-01), Bowyer et al.
patent: 5767637 (1998-06-01), Lansberry
patent: 5821630 (1998-10-01), Schutten
patent: 5856709 (1999-01-01), Ibaraki et al.
patent: 5982045 (1999-11-01), Tabata et al.
patent: 5994794 (1999-11-01), Wehrlen
patent: 6018198 (2000-01-01), Tsuzuki et al.
patent: 6020657 (2000-02-01), Liran
patent: 6023152 (2000-02-01), Briest et al.
patent: 6098584 (2000-08-01), Ahner et al.
patent: 6098735 (2000-08-01), Sadarangani et al.
patent: 6133716 (2000-10-01), Schutten
patent: 6239513 (2001-05-01), Dean et al.
patent: 6255743 (2001-07-01), Pinkerton et al.
patent: 6281595 (2001-08-01), Sinha
patent: 6320279 (2001-11-01), Lopez Jimenez
patent: 6365983 (2002-04-01), Masberg et al.
patent: 6437533 (2002-08-01), Sinha
patent: 6507128 (2003-01-01), King et al.
patent: 6563229 (2003-05-01), Farkas
patent: 6573626 (2003-06-01), Gosebruch et al.
patent: 6710579 (2004-03-01), Ebel et al.
patent: 6844706 (2005-01-01), Pinkerton et al.
patent: 2002/0101119 (2002-08-01), Eisenhauer et al.
patent: 2153464 (1973-05-01), None
patent: 918521 (1963-02-01), None
patent: 679831 (2002-09-01), None
patent: WO 9513646 (1955-05-01), None
A. Kusko, et al., “Survey of Rotary Uninterruptible Power Supplies”, 1996 IEEE, pp. 416-419.

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

Low-energy storage fast-start uninterruptible power supply... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Low-energy storage fast-start uninterruptible power supply..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Low-energy storage fast-start uninterruptible power supply... will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3715492

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