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Patent Searching and Data


Title:
PUMPING DEVICE
Document Type and Number:
Japanese Patent JPS63183275
Kind Code:
A
Abstract:

PURPOSE: To feed a fluid in the energy-saving manner by evaporating heating medium in a heat receiving closed receptacle to contract an expansion receptacle, thereby discharging a feed fluid when a feed fluid of a temperature higher than the atmosphere temperature is fed into the expansion receptacle in the state of expansion.

CONSTITUTION: A feed fluid 1 such as warm water or the like in an expansion receptacle 6 is discharged by contraction of the expansion receptacle 6. The full quantity is discharged, and when a discharge control valve 9 is closed, a heat receive and release control valve 12 is separated from a communicating port 7, so that heating medium 2 is cooled and condensed in a radiating chamber 14 to lower the inner pressure in a heat receiving closed receptacle 3. Whereupon, the expansion receptacle 6 is expanded to open an intake control valve 8, so that the fluid 1 is drawn in the receptacle 6. A cylinder 29 is connected to the communicating port 7 by the expanding motion of the expansion receptacle 6, so that the heat receive and release control valve 12 closes the communicating port 7 through pressure receiving means 31. On the other hand, a tipping receive tray 13 is tipped over to sprinkle the heating medium 2 over the upper surface of the expansion receptacle 6, whereby the heating medium is quickly evaporated and increased in pressure to contract the expansion receptacle 6, so that the fluid 1 is discharged.


Inventors:
TSUTSUI TOSHINAO
URANO MASASHI
Application Number:
JP1477787A
Publication Date:
July 28, 1988
Filing Date:
January 23, 1987
Export Citation:
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Assignee:
MATSUSHITA ELECTRIC WORKS LTD
International Classes:
F04B9/00; F04B19/20; (IPC1-7): F04B9/00; F04B19/20
Attorney, Agent or Firm:
Miyai Akio