Membrane type fluid pump
First Claim
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1. A diaphragm pump comprising:
- a housing having an opening defined at one end;
a diaphragm attached to the housing to extend over the opening;
an inlet defined in the housing for receiving a fluid;
a driving element attached to the housing, the driving element being in driving engagement with the diaphragm to vibrate the diaphragm;
an orifice defined in the diaphragm, the orifice being adapted to permit a discharge of the fluid therethrough;
a plunger disposed within the housing, the plunger being movable within the housing; and
a spring disposed within the housing for biasing the plunger towards the diaphragm so that the plunger sealingly engages the diaphragm.
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Abstract
The diaphragm pump includes a housing having an opening defined at one end. A diaphragm is attached to the housing and extends over the opening. An inlet is defined in the housing for receiving a fluid and a driving element is attached to the housing and in driving engagement with the diaphragm to vibrate the diaphragm. An orifice is defined in the diaphragm to permit a discharge of the fluid therethrough when the diaphragm is in vibration. A spring is disposed within the housing for biasing a plunger towards the diaphragm so that the plunger sealingly engages the diaphragm.
23 Citations
13 Claims
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1. A diaphragm pump comprising:
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a housing having an opening defined at one end; a diaphragm attached to the housing to extend over the opening; an inlet defined in the housing for receiving a fluid; a driving element attached to the housing, the driving element being in driving engagement with the diaphragm to vibrate the diaphragm; an orifice defined in the diaphragm, the orifice being adapted to permit a discharge of the fluid therethrough; a plunger disposed within the housing, the plunger being movable within the housing; and a spring disposed within the housing for biasing the plunger towards the diaphragm so that the plunger sealingly engages the diaphragm. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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Specification