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Volume: 27 | Article ID: art00050_2
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Liquid Cooling Technology in a High-speed Electrophotographic Process
Satoshi Okano
Tomoyasu Hirasawa
Hiromitsu Fujiya
  DOI :  10.2352/ISSN.2169-4451.2011.27.1.art00050_2  Published Online :  January 2011
Abstract

The authors developed liquid cooling technology for electrophotographic imaging process and put it into practical use for the first time. The thermal design for the liquid cooling system is also established.The technology, including a liquid cooling jacket for contacting between a development unit and its contact surface, prevents temperature rise in development units for high-speed electrohotographic copiers/printers. The liquid cooling jacket is composed of aluminum plates and a copper pipe, in which liquid circulates without liquid leaks. Liquid temperature is almost the same as room one. Accordingly, it receives the heat from the development unit with low temperature rise and a small cooling space. Besides, a thermal conductive sheet and a PET film on contact surface between the development unit and the liquid cooling jacket, enable the development unit to be attached and removed without lowering high efficiency in liquid cooling. Optimization and selection for a pump, radiators and fans are carried out for the liquid cooling system thermal design by examining thermal resistance between portions with different temperature rise and heat generations in the development unit.As a result, temperature rise in the development unit in prototype, of 75 pages per minute print speed and 1,320 millimeters wide, is controlled below toner caking temperature.

Journal Title : NIP & Digital Fabrication Conference
Publisher Name : Society of Imaging Science and Technology
Publisher Location : 7003 Kilworth Lane, Springfield, VA 22151, USA
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 DOI 10.2352/ISSN.2169-4451.2011.27.1.art00050_2
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Satoshi Okano, Tomoyasu Hirasawa, Hiromitsu Fujiya, "Liquid Cooling Technology in a High-speed Electrophotographic Process"  in Proc. IS&T Int'l Conf. on Digital Printing Technologies and Digital Fabrication (NIP27),  2011,  pp 602 - 605,  https://doi.org/10.2352/ISSN.2169-4451.2011.27.1.art00050_2

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Copyright © Society for Imaging Science and Technology 2011
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NIP & Digital Fabrication Conference
nip digi fabric conf
2169-4451
Society of Imaging Science and Technology
7003 Kilworth Lane, Springfield, VA 22151, USA
2169-4451(20110101)2011:2L.602;1-
nip_v2011n2/splitsection50.xml
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Articles
Liquid Cooling Technology in a High-speed Electrophotographic Process
OkanoSatoshi
HirasawaTomoyasu
FujiyaHiromitsu
01012011
2011
2
602
605
2011
The authors developed liquid cooling technology for electrophotographic imaging process and put it into practical use for the first time. The thermal design for the liquid cooling system is also established.The technology, including a liquid cooling jacket for contacting between a development unit and its contact surface, prevents temperature rise in development units for high-speed electrohotographic copiers/printers. The liquid cooling jacket is composed of aluminum plates and a copper pipe, in which liquid circulates without liquid leaks. Liquid temperature is almost the same as room one. Accordingly, it receives the heat from the development unit with low temperature rise and a small cooling space. Besides, a thermal conductive sheet and a PET film on contact surface between the development unit and the liquid cooling jacket, enable the development unit to be attached and removed without lowering high efficiency in liquid cooling. Optimization and selection for a pump, radiators and fans are carried out for the liquid cooling system thermal design by examining thermal resistance between portions with different temperature rise and heat generations in the development unit.As a result, temperature rise in the development unit in prototype, of 75 pages per minute print speed and 1,320 millimeters wide, is controlled below toner caking temperature.