Adjustable leaf spring increases maximum operating pressure of pump from 2 to over 60 psi (13 to over 400 kN/m2). Small commercial bellows pump using ac-powered electromagnet to vibrate bellows at mechanical resonance modified to operate over wider pressure range.
Adjustable Tuning Spring for Bellows Pump
NASA Tech Briefs ; 8 , 4
1985-04-01
Miscellaneous
No indication
English