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Decelerating Device for Air Conveyed Material
专利权人:
Tread Enterprises Ltd.
发明人:
Cruson Brian
申请号:
US201715785668
公开号:
US2018124997(A1)
申请日:
2017.10.17
申请国别(地区):
美国
年份:
2018
代理人:
摘要:
A decelerating device is mounted in series within a pneumatic particulate material delivery passage that communicates from a particulate material supply to a material outlet of a furrow opener for depositing particulate material into a furrow formed by the furrow opener. The decelerating device has a duct member extending longitudinally between opposing open ends for connection in line with the pneumatic particulate material delivery passage. A plurality of exhaust openings communicating through a peripheral wall of the duct member to exhaust air therethrough. A gate member is supported on the duct member so as to be movable relative to the exhaust openings to vary a cumulative exposed area of the exhaust openings. A perforated screen member spans across the exhaust openings having a smaller aperture size than the exhaust openings to ensure small particulate materials being conveyed do not escape through the exhaust openings.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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