US Patent No: 6,951,697

Number of patents in Portfolio can not be more than 2000

Integrated systems for use with fuel cells, and methods

ALSO PUBLISHED AS: 20030064271

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Importance

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Abstract

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Integrated systems, including components for control of contaminants, sound, and humidity, are provided for a fuel cell system. The integrated system combines contamination control, sound control, and water management. The contamination control system provides filtration for the intake air that provides oxygen to the fuel cell cathode, materials removed can include sub-micrometer particulate matter, salts oils, and chemicals. The sound control system reduces the level of noise emitted from the system by attenuating, resonating, or muffling the sound emitting from the air compressor used to move the air. The contamination control system can also provide security downstream of the compressor, by filtering the air to reduce the opportunity of lubricant from reaching the fuel cell. The water management system removes liquid water when excess is present. These systems are integrated in a variety of configurations to provide compact and thorough protection for the fuel cell.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
DONALDSON COMPANY, INC.MINNEAPOLIS, MN783

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Stenersen, Eivind River Falls, WI 35 156

Cited Art Landscape

Patent Info (Count) # Cites Year
 
Donaldson Company, Inc. (6)
5,792,247 Integrated resonator and filter apparatus 115 1996
6,190,432 Filter arrangement; sealing system; and methods 141 1999
6,432,177 Air filter assembly for low temperature catalytic processes 34 2000
6,780,534 Filter assembly for intake air of fuel cell 5 2001
6,783,881 Filter assembly for intake air of fuel cell 8 2001
6,797,027 Filter assemblies and systems for intake air for fuel cells 9 2002
 
NUCELLSYS GMBH (6)
5,641,031 Arrangement of a drive unit in an electric vehicle 98 1995
5,662,184 Arrangement of a drive unit in an electric vehicle 42 1995
5,646,852 Method and device for vehicle fuel cell dynamic power control 40 1996
5,794,732 Apparatus and method for starting a fuel cell vehicle 22 1996
5,981,096 Fuel cell system 54 1998
6,007,930 Method for initiating a fuel cell 26 1998
 
EMPRISE TECHNOLOGY ASSOCIATES CORPORATION (2)
6,013,385 Fuel cell gas management system 174 1997
6,436,562 Fuel-cell engine stream conditioning system 87 1999
 
KOSLOW TECHNOLOGIES CORPORATION (2)
5,189,092 Method and apparatus for the continuous extrusion of solid articles 88 1991
5,331,037 Extruded solid composite articles and compositions for producing same 64 1993
 
AIR-MAZE CORPORATION (1)
6,152,996 Air cleaner element having incorporated sorption element 50 1998
 
AIRBUS (1)
6,296,957 Energy supply unit on board an aircraft 50 1999
 
Amway Corporation (1)
4,737,173 Room air treatment system 131 1986
 
BALL AEROSPACE & TECHNOLOGIES CORP. (1)
6,783,882 Method and apparatus for maintenance of fuel cell cathode air quality with breathable hydrophobic membrane air filter 16 2001
 
BALLARD POWER SYSTEMS INC. (1)
6,316,134 Fuel cell electric power generation system 43 1999
 
BDF IP HOLDINGS LTD. (1)
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CALIFORNIA INSTITUTE OF TECHNOLOGY (1)
6,420,059 Direct methanol feed fuel cell and system 33 1999
 
CURT LINDHE KONSULT & FORVALTNINGS AG (1)
5,944,878 Multiple-element air filter 28 1997
 
DAIMLER AG (1)
6,284,397 Rotary piston blower for supplying an oxidant stream to a fuel cell 10 1999
 
Energy Reductions Systems, Inc. (1)
5,458,095 Air pump-assisted hydrogen/oxygen fuel cell for use with internal combustion engine 24 1993
 
ENTEGRIS, INC. (1)
5,626,820 Clean room air filtering 92 1993
 
GENERAL MOTORS CORPORATION (1)
2001/0049,036 Compressor arrangement for the operation of a fuel cell system 7 2001
 
Hannelore Binsmaier Nee Gallin-Ast (1)
6,074,769 Method of generating electric energy from regenerative biomass 17 1997
 
HONDA GIKEN KOGYO KABUSHIKI KAISHA (1)
5,837,393 Fuel battery system 35 1996
 
International Fuel Cells Corporation (1)
5,013,617 Air ejector system for fuel cell passivation 36 1989
 
Kabushiki Kaisha Toyoda Jidoshokki Seisakusho (1)
6,124,052 Solid polymer electrolyte fuel cell system 20 1998
 
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. (1)
6,057,051 Miniaturized fuel cell assembly 86 1997
 
Mitsubishi Jukogyo Kabushiki Kaisha (1)
4,595,642 Fuel cell composite plant 37 1985
 
PLUG POWER INC. (1)
6,309,769 Carbon monoxide filter layer 23 2000
 
The Charles Stark Draper Laboratory, Inc. (1)
5,372,617 Hydrogen generation by hydrolysis of hydrides for undersea vehicle fuel cell energy systems 134 1993
 
TOKYO GAS CO., LTD. (1)
5,221,586 Power generation system using fuel cells 40 1991
 
WELLMAN DEFENCE LIMITED (1)
5,401,589 Application of fuel cells to power generation systems 212 1993
 
YARDNEY TECHNICAL PRODUCTS, INC., A CORP. OF DE. (1)
5,156,925 Hydrogen removal system for metal/air cell 34 1991

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
MODINE MANUFACTURING COMPANY (2)
8,409,758 Fuel cell system with partial external reforming and direct internal reforming 0 2008
8,663,851 Fuel cell system with partial external reforming and direct internal reforming 0 2013
 
AIRBUS OPERATIONS GMBH (1)
7,108,229 Arrangement and method for the generation of water on board an aircraft 3 2004
 
SAMSUNG SDI CO., LTD. (1)
7,484,590 Fuel cell system with muffler 3 2007

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
11.5 Year Payment $7400.00 $3700.00 $1850.00 Apr 4, 2017
Fee Large entity fee small entity fee micro entity fee
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00

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