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AN INHALER
专利权人:
发明人:
MORRIS STEPHEN WYNFORD
申请号:
IN201617044614
公开号:
IN201617044614A
申请日:
2016.12.28
申请国别(地区):
IN
年份:
2018
代理人:
摘要:
An inhaler comprising a breath operated valve with a valve element biased closed by a spring (22) and a diaphragm (11) arranged to deform when suction is applied to an outlet end (2) generating low pressure above the diaphragm (11) to lift the valve element (9) against the biasing force of the spring (22) allowing composition to flow out of the inhaler. The spring (22) is a strip of resilient material forming a U shape with a first arm (23) extending from a position adjacent to the valve element along the diaphragm (11) in a direction away from the outlet end so as to support the diaphragm to an apex (24) where it extends away from the diaphragm into a second arm (25) extending back towards the outlet end (2) the second arm (25) engaging with the housing (1) to generate a biasing force to urge the valve element closed (9).
来源网站:
中国工程科技知识中心
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http://www.ckcest.cn/home/

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