US Patent No: 5,640,059

Number of patents in Portfolio can not be more than 2000

Power supply system including thermal current limiting protection

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Importance

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Abstract

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A power supply system including a thermal current limiting device operating due to high temperatures. At predetermined temperatures, the device acts to incrementally control the output of a power supply. An implementation of the device may be found in a voltage or power regulator wherein a constant output voltage or power is desired. As temperature increases, the power supply system is not switched off, rather current output is adjusted in a controlled manner thereby eliminating the need for the device to be entirely shut down for a time period. A back-up battery is used to provide supplementing current needed by the load.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
EMERSON NETWORK POWER, ENERGY SYSTEMS, NORTH AMERICA, INC.ST LOUIS, MO178

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Goodlive, Brian D Cleveland, OH 2 33
Kalivas, Zissis L Lorain, OH 2 37
Kammiller, Neil A Lorain, OH 27 205

Cited Art Landscape

Patent Info (Count) # Cites Year
 
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. (2)
5,136,231 Ni-Cad battery charge rate controller 29 1990
5,254,930 Fault detector for a plurality of batteries in battery backup systems 30 1992
 
AT&T Bell Laboratories (1)
5,266,880 Battery monitoring circuit 143 1992
 
FUJITSU SIEMENS COMPUTERS GMBH (1)
5,278,453 Constant-voltage supply system with several constant-voltage sources 6 1991
 
MITEL NETWORKS CORPORATION (1)
5,502,634 Regulated auxiliary power supply 5 1994
 
RICHTER & PARTNERS INC., AS RECEIVER (1)
5,206,578 Monitoring system for batteries during charge and discharge 84 1991
 
ROBERT BOSCH GMBH (1)
5,198,744 Apparatus and method for controlling the output power of a generator to maintain generator temperature below an allowed limiting value 25 1991
 
Other [Check patent profile for assignment information] (3)
5,065,676 Axially reversing roller for printing presses and sheet coating machines 9 1988
5,047,961 Automatic battery monitoring system 100 1990
5,319,298 Battery maintainer and charger apparatus 16 1991

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
EMERSON NETWORK POWER, ENERGY SYSTEMS, NORTH AMERICA, INC. (5)
6,731,524 Parallel connected DC regulators with power factor corrected rectifier inputs 13 2002
6,809,941 Power system having a power factor correction circuit 0 2003
6,856,526 Power system with phased controlled inrush limiter 6 2004
6,853,561 Power system with zero voltage switching 3 2004
6,853,167 Power supply system 9 2004
 
MOOG INC. (2)
8,183,810 Method of operating a motor 0 2009
8,164,293 Method of controlling a motor 0 2009
 
SCHOTT POWER SYSTEMS INCORPORATED (2)
5,803,215 Method and apparatus for charging a plurality of electric vehicles 40 1997
5,926,004 Method and apparatus for charging one or more electric vehicles 33 1997
 
DELL INC. (1)
5,815,351 Overload protection circuit using a no-trim circuit for computer power supplies 7 1997
 
INTEL CORPORATION (1)
7,062,665 Control of voltage regulator thermal condition 4 2002
 
NATIONAL SEMICONDUCTOR CORPORATION (1)
7,336,464 Power limiting circuit 5 2003
 
PENTAIR FLOW TECHNOLOGIES, LLC (1)
8,297,369 Fire-extinguishing system with servo motor-driven foam pump 0 2009
 
SONY ELECTRONICS INC. (1)
6,183,562 Thermal protection system for a chemical vapor deposition machine 6 1997
 
TEXAS INSTRUMENTS DEUTSCHLAND GMBH (1)
8,531,168 Electronic device and method for DC-DC conversion 0 2010
 
ZIPPY TECHNOLOGY CORP. (1)
6,163,087 Power supplying system with a delayed closing device for delayed closing of a heat-dissipating fan 6 1999
 
Other [Check patent profile for assignment information] (1)
6,275,011 Charging device having a broad voltage changing range, automatic charging cutoff based on temperature detection, and charging status maintenance. 7 1999