Compact pump
First Claim
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1. A compact pump comprising:
- a diaphragm body having at least a diaphragm portion forming a pump chamber and a valve portion nearly in contact with said diaphragm portion in which said diaphragm portion and said valve portion are formed integrally with each other;
a cylinder portion into which said diaphragm portion is to be inserted;
a valve chamber in which said valve portion of said diaphragm body is disposed;
a valve housing which has a discharge port communicating with said valve chamber;
a case which accommodates a driving portion for driving said diaphragm portion; and
a spring for fixing said case, said cylinder portion and said diaphragm body all together.
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Abstract
A compact pump composed by combining a cylinder into which a diaphragm portion is to be inserted, a case which accommodates a driving portion for driving the diaphragm portion and a valve housing, and clamping and fixing a combination of the members with a spring.
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Citations
7 Claims
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1. A compact pump comprising:
a diaphragm body having at least a diaphragm portion forming a pump chamber and a valve portion nearly in contact with said diaphragm portion in which said diaphragm portion and said valve portion are formed integrally with each other;
a cylinder portion into which said diaphragm portion is to be inserted;
a valve chamber in which said valve portion of said diaphragm body is disposed;
a valve housing which has a discharge port communicating with said valve chamber;
a case which accommodates a driving portion for driving said diaphragm portion; and
a spring for fixing said case, said cylinder portion and said diaphragm body all together.- View Dependent Claims (2, 3, 4, 5, 6, 7)
Specification