Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Single-acting, gas-operated pump










Image Number 3 for United States Patent #4828465.

A single-acting, gas-operated, pump method and apparatus including a pump body having a main chamber divided by a reciprocating piston assembly into a gas driving chamber and a liquid pumping chamber, a spring for biasing the piston assembly into one of its two end positions, a reciprocating control valve controlling the flow of driving gas to and from the gas driving chamber, a snap-acting spring mechanically coupling the control valve to the reciprocating movement of the piston assembly, and a counteracting spring for biasing the control valve toward one of its two positions.








 
 
  Recently Added Patents
High gradient lens for charged particle beam
Image processing device, image processing method, and program
Sink
Method and apparatus for generating soft bit values in reduced-state equalizers
Vacuum switch and electrode assembly therefor
Treatment of celiac disease with IgA
Method and apparatus for a cryptographically assisted commercial network system designed to facilitate buyer-driven conditional purchase offers
  Randomly Featured Patents
Helmet-mounted air system for personal comfort
Wrist-watch
Method for obtaining a selective surface for collectors of solar and other radiation
Polysiloxane block copolymers in topical cosmetic and personal care compositions
Functionalized olefin polymers and polyphenylene ether compositions containing them
Compost collection bin
Temperature selectively controllable body supporting pad
Method and system for handling production problems in an extended enterprise environment
Card connector
Cross coil type indicating gauge