Speaker
Dr
YOSHIKATSU HIRATSUKA
(Technology Research Center, Sumitomo Heavy Industries, Ltd.)
Description
The superconducting single photon detection (SSPD) system has been researched and developed the miniaturization of Gifford-McMahon (GM) cryocooler (SRDK-101D, Sumitomo Heavy Indstries, LTD) that occupies many of system volume for using it in the vehicle,. Total volume of the commercial cryocooler expander and the cryostat should be down about 2/3 and the compressor unit (CNA-11) should be about 50% volume down, and then the cryocooler performance is demanded needs the cooling capacity of 20mW at 2.3K in the cooling temperature. The major alteration is indispensable to decrease a present volume greatly though the optimization of an internal composition parts is one method to miniaturize the compressor unit volume. Because the adsorber and the oil separator that has almost the same volume as the main body of the compressor greatly occupy the space volume, it thinks the compressor unit to be an effective means that the development of a no lubrication compressor that excludes this part enables the miniaturization. In addition, a no lubrication compressor has the possibility that a new usage can be created.
The linear compressor was selected as a no lubrication compressor, the prototype has been designed and developed and preliminary experiments were conducted. The detailed experimental results will be discussed in this paper.
*This work has supported by the research and development concerning the miniaturization technology of SSPD system for National Institute of Information and Communications Technology (NICT) of Japan.*
Primary author
Dr
YOSHIKATSU HIRATSUKA
(Technology Research Center, Sumitomo Heavy Industries, Ltd.)
