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公开(公告)号:DE4325043A1
公开(公告)日:1994-01-27
申请号:DE4325043
申请日:1993-07-26
Applicant: FURUKAWA ELECTRIC CO LTD , WASEDA UNIVERSITY TOKIO TOKYO
Inventor: SOTANI JUNJI , FUKUOKA SINGORO , NAGATA KATSUYA , KATSUTA MASAFUMI
Abstract: A flat condenser tube (1) comprises a plurality of discrete refrigerant paths (10, 11) arranged in parallel in the width direction and extending in the length direction of the tube. The external height (h) of the tube (1) is set to be not more than 2 mm, The internal height (h1) of each path (10, 11) is not more than 1.2 mm. The ratio of the width (w1) to the internal height (h1) is within the range of 1.8 to 6.0. A plurality of projections (12, 12a, 12b, 12c) continuously extending in the length direction are provided in each refrigerant path (10, 11). Grooves (13) adjacent the projections have smooth bottoms and the ratio of the height (h2) of the projections (12; 12a. 12b, 12c) to the internal height (h1) is within the range of 0.055 to 0.25. The pitch (p) of the projections preferably ranges from 0.25 to 0.6 mm. Various projection forms are disclosed.
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公开(公告)号:DE68908046T2
公开(公告)日:1993-12-16
申请号:DE68908046
申请日:1989-08-24
Applicant: WASEDA UNIVERSITY TOKIO TOKYO , MITSUBISHI HEAVY IND LTD
Inventor: MIWA YOSHIYUKI , MURASUGI SHINYA , KODAMA HIROSHI , SHIKAE SADAO C O OKINOERABU BI
Abstract: Disclosed herein is an instrument for inoculating bulb scales which comprises an instrument proper, a scale sucking finger having a suction means, and a scale gripping finger, with one end thereof rotatably joined to the instrument proper and with an intermediate part thereof connected to the instrument proper with a spring made of shape memory alloy.
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