HYDROGEN HEAT EXCHANGER FOR A HYDROGEN FILLING SYSTEM

WIPO Patent Application WO/2011/043308

A1

Provided is a hydrogen heat exchanger for a hydrogen filling system that uses pressurized hydrogen from an accumulator (5) to fill a hydrogen tank (8) in a hydrogen fuel-cell automobile (7). The provided heat exchanger has good heat-transfer performance and is reduced in size. The hydrogen filling system has a pre-cooling device (11) that cools hydrogen that will be put in the hydrogen tank. In the provided heat exchanger (12), which is part of the pre-cooling device, the supply pressure of a hydrogen supply channel (22) and the supply pressure of a coolant supply channel (23) are both high and roughly the same. This makes it possible to reduce the thickness of the pipe wall between the two supply channels, in comparison to conventional heat exchangers, thereby reducing the heat-transfer resistance of and hydrogen pressure losses in the heat exchanger (12), improving heat-transfer performance and reducing the size of the device.

TAKADA YASUYUKI (JP)
MURAKAMI YUKITAKA (JP)
WOODFIELD LLOYD PETER (JP)

PCT/JP2010/067392

April 14, 2011

October 04, 2010

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NAT INST OF ADVANCED IND SCIEN (JP)
TAKADA YASUYUKI (JP)
MURAKAMI YUKITAKA (JP)
WOODFIELD LLOYD PETER (JP)

F17C5/06; F28D7/10

JP2006316817A	2006-11-24
JP2001304703A	2001-10-31
JP2008164177A	2008-07-17
US20080302504A1	2008-12-11
JP2007309375A	2007-11-29
JP2005069330A	2005-03-17
JP2009127813A	2009-06-11
JP2008164177A	2008-07-17
JP2006142924A	2006-06-08

"Heisei 20 Nendo Obei ni Okeru Suiso Station no Gijutsu Doko Chosa Hokokusho", March 2009 (2009-03-01), pages 29 - 43, XP008155778, Retrieved from the Internet [retrieved on 20101015]

TOMISAKI Motonari et al. (JP)
Motonari Tomizaki (JP)

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