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Low pressure hydrogen fueled vehicle and method of operating same

a hydrogen-fueled vehicle and low-pressure technology, applied in hydrogen/synthetic gas production, gaseous engine fuels, energy inputs, etc., can solve the problem of not being economical in the distribution of hydrogen from centralized hydrogen-producing plants to refuel vehicles

Inactive Publication Date: 2011-01-20
BLOOM ENERGY CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, distribution of hydrogen from centralized hydrogen producing plants to refuel vehicles is not currently economical.

Method used

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  • Low pressure hydrogen fueled vehicle and method of operating same
  • Low pressure hydrogen fueled vehicle and method of operating same
  • Low pressure hydrogen fueled vehicle and method of operating same

Examples

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first embodiment

[0035]It should be noted that the electrochemical system of the first embodiment does not necessarily co-produce or co-generate power or electricity for use outside the system. The system may be operated to primarily internally reform a carbon and hydrogen containing fuel into hydrogen with minimal power generation or without delivering or outputting power from the system at all. If desired, a small amount of power may be generated and used internally within the system, such as to keep the system at operating temperature and to power system components in addition to other parasitic loads in the system.

[0036]The system of the first preferred embodiment which produces hydrogen in the fuel cell mode may be any high temperature electrochemical system which produces sufficient heat to free bound hydrogen contained in a fuel gas provided into the system. For example, the system may be a solid oxide or a molten carbonate system. The solid oxide system, such as a SOFC or SORFC, is preferred...

second embodiment

[0074]In a second embodiment, a solid oxide reversible fuel cell (SORFC) stack is used to provide hydrogen to the vehicle. The SORFC stack generates electricity but not hydrogen in the fuel cell mode during high electricity demand times and generates hydrogen from water in the electrolysis mode during low electricity demand times.

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Abstract

A hydrogen fueled vehicle includes a vehicle body, a hydrocarbon fuel tank, and a low pressure hydrogen gas storage vessel.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS[0001]This application is a divisional of U.S. application Ser. No. 11 / 717,774, which is a continuation-in-part of U.S. application Ser. No. 10 / 446,704 filed on May 29, 2003, which claims benefit of priority of U.S. Provisional Application Ser. No. 60 / 461,190, filed on Apr. 9, 2003. This application also claims benefit of priority of U.S. Provisional Application Ser. No. 60 / 782,268 filed on Mar. 15, 2006. All of the above mentioned applications are incorporated herein by reference in their entirety for all purposes.FIELD OF THE INVENTION[0002]The present invention is directed generally to hydrogen fueled vehicles.BACKGROUND OF THE INVENTION[0003]Prior art hydrogen fueled vehicles store hydrogen either as high pressure, compressed gaseous hydrogen or as low pressure liquid hydrogen at a low temperature. It is believed that Daimler Benz developed an internal combustion engine that operated with either hydrogen or gasoline. In this case, a low tem...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): F02B43/10H01M8/06F17C11/00
CPCB60L11/1875Y02T90/42B60L11/1883B60L11/1892B60L11/1894B60L11/1898B60L2240/36C01B3/34C01B3/342C01B3/48C01B2203/0205C01B2203/0283C01B2203/0405C01B2203/043C01B2203/0475C01B2203/067C01B2203/1241C01B2203/148C10J3/46C10J2300/093C10J2300/0969C10J2300/1646C25B1/02H01M8/04022H01M8/04208H01M8/04216H01M8/04753H01M8/04761H01M8/0491H01M8/0494H01M8/0612H01M8/0625H01M8/0637H01M8/0662H01M8/186H01M2008/1293H01M2008/147H01M2250/20Y02E60/528Y02T90/32Y02T90/34Y02T10/16C25B1/04C25B9/08Y02T10/705Y02E60/525Y02E60/526Y02E60/366B60L11/1881Y02P20/129B60L58/27B60L58/30B60L50/72B60L58/33B60L58/34Y02E60/50Y02E60/36Y02P30/00Y02T10/12Y02T10/70Y02T90/40C25B9/19
Inventor SRIDHAR, K.RMCELROY, JAMES F.
Owner BLOOM ENERGY CORP
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