US Patent 12129843 Breather valve
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US Patent 12129843 Breather valve
Article
Patent abstract
A positive displacement pump includes a housing surrounding a drive chamber and a diaphragm compartment. A drive element is inside the drive chamber. A diaphragm is inside the diaphragm compartment and divides the diaphragm compartment into a fluid chamber and a cavity. A shaft connects the drive element and the diaphragm. A breather valve is fluidically connected to the cavity and is configured to allow air to exit the cavity. The cavity is fluidically disconnected from the drive chamber.
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Patent Jurisdiction
Patent Number
Patent Inventor Names
David M. Behrens0
Jason J. Willoughby0
Timothy S. Roman0
Date of Patent
October 29, 2024
0Patent Application Number
176942520
Date Filed
March 14, 2022
0Patent Citations
Patent Primary Examiner
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