发明名称 |
Diaphragm air pump assembly |
摘要 |
A diaphragm air pump assembly in pneumatic association with a vacuum source and an atmospheric air source includes therein two vacuum operational chambers and two pump chambers defined by two interconnected diaphragms upon admission of vacuum to one of the vacuum operated chambers and atmospheric air to the other vacuum operated chamber the diaphragms are moved in one direction due to pressure difference thereby compressing and exhausting the air contained in one of the pump chambers as well as opening one of two normally closed valves. The vacuum is thus admitted into the other vacuum operational chamber while atmospheric air is supplied to one vacuum operated chamber, so that the diaphragms are moved in the other direction thereby compressing and exhausting the air contained in the other pump chamber as well as opening the other normally closed valve. A periodical reciprocation of the diaphragms will accomplish the pumping operation.
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申请公布号 |
US4329123(A) |
申请公布日期 |
1982.05.11 |
申请号 |
US19800113079 |
申请日期 |
1980.01.17 |
申请人 |
AISIN SEIKI KABUSHIKI KAISHA |
发明人 |
KAWABATA, YASUHIRO;SHIBATA, NORIYOSHI |
分类号 |
F04B45/053;F01L23/00;F04B45/04;(IPC1-7):F04B43/06 |
主分类号 |
F04B45/053 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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