DIAPHRAGM PUMP
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United States of America Patent
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Issued Date -
Apr 16, 2020
app pub date -
Jun 24, 2019
filing date -
Oct 13, 2018
priority date (Note) -
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Abstract
The invention discloses a diaphragm pump and belongs to the technical field of pumps. According to the technical scheme, a male part is arranged on a valve plate, and a female part which is in clearance fit with the male part to form a clearance channel is arranged on the air releasing channel. The diaphragm pump disclosed by the invention is capable of reducing the processing difficulty of the air releasing channel and meeting the requirement on extremely small size of air releasing clearance of the air releasing channel.
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