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公开(公告)号：CA3001285A1
公开(公告)日：2017-05-04
申请号：CA3001285
申请日：2016-10-20
Applicant: GAS MEASUREMENT INSTRUMENTS LTD
Inventor： GLENDINNING ANDY , BINNS IAN , MATHIESON FRASER
Abstract: A diaphragm pump (1) in a gas detection instrument has an inlet (2) which is in fluid communication with a pump chamber (4), and an outlet (3) through which fluid in the pump chamber (4) can be expelled from the pump (1). A wall of the pump chamber (4) is formed by a circuit board 6 on an inner surface of which is mounted a pressure sensor (5) so as to be in fluid communication with the interior of the pump chamber 4 for detecting and monitoring the pressure of the gas passing through the pump chamber (4).
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