Title:
【発明の名称】単動式ガス操作式ポンプ
Document Type and Number:
Japanese Patent JPH07101032
Kind Code:
B2
Abstract:
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.
Inventors:
William S Cradle Giunia
Application Number:
JP3310586A
Publication Date:
November 01, 1995
Filing Date:
February 19, 1986
Export Citation:
Assignee:
The Coca-Co-La Campani-
International Classes:
B67D1/10; B67D1/04; F01L35/00; F04B9/08; F04B9/12; F04B9/127; F04B23/00; F04B45/04; (IPC1-7): F04B9/08; B67D1/10
Domestic Patent References:
| JP5248803A |
Attorney, Agent or Firm:
Heiyoshi Odashima
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