Bellows pump mechanism
作者： Andrew R. Spriegel
DOI:
关键词: Mechanical engineering 、 Inlet 、 Seal (mechanical) 、 Mechanism (engineering) 、 Engineering drawing 、 Bellows 、 Engineering 、 Volume (compression)
摘要: A bellows-type pump includes a body portion with an inlet and outlet. bellows member is secured to the provides dosage volume that communicates both Compressing causes sealing web thereof contact seal same against flow of product from within volume. The does not cover outlet upon compression and, thus, dispensed through such compression. Expansion draws in inlet.
lens.org 参考文章(8)
Billy Nilsson, Device for dispensing fluid that includes a valve which communicates with a pump ,(1992)
Billy Nilsson, Valve for dispensing a fluid ,(1991)
Thomas Weber, Dispenser drain attachment for flowable media ,(2001)
Leif Einar Stern, Portioning arrangement for dispensing portions of liquid foodstuff from a foodstuff container. ,(1994)
Jeffrey T. Maddox, Robert H. Yeager, Rexford R. Mast, Compact fluid pump ,(2000)
Jean-Louis Gueret, Assembly for dispensing at least one fluid product such as cosmetics or pharmaceutics ,(1990)
Masatoshi Masuda, Fluid discharge pump for discharging fluid stored inside fluid storing portion ,(2003)
H Riddle, Fluid dispensing cover ,(1972)