Title:
AIR SUCTION/DISCHARGE VALVE DEVICE
Document Type and Number:
Japanese Patent JPS6011785
Kind Code:
A
Abstract:
PURPOSE:To prevent breakage of piping due to a trouble in an air suction/discharge port part by driving a diaphragm correspondingly to rise of a float and intercepting communication between an air suction/discharge port of an upper lid and an air suction/discharge passage of the float. CONSTITUTION:When a float 17 is lowered down to the bottom of a casing 15, an auxiliary air suction/discharge port 25 and an air suction/discharge port 29 on the periphery are put in off condiction, and air flows from an air suction/ discharge pipe part 16 into piping via an air suction/discharge passage 18 of the float 17. In case of discharging air, the float 17 rises, and the circumferential part of a central ventilation port 20 for a diaphragm 19 is pressed to closely touch an annular projection 28, and communication between said port 29 of an upper lid 23 and said passage 18 of the float 17 is put in an intercepted condition. When the float 17 is further pushed upward, said port 25 is put in on condition.
Inventors:
KITAYAMA MASARU
Application Number:
JP11975283A
Publication Date:
January 22, 1985
Filing Date:
June 30, 1983
Export Citation:
Assignee:
MATSUSHITA ELECTRIC WORKS LTD
International Classes:
F16K24/00; F16K24/04; (IPC1-7): F16K24/00
Attorney, Agent or Firm:
Takehiko Matsumoto
Previous Patent: The working table vehicle provided with a glove bucket device and this
Next Patent: JPS6011786
Next Patent: JPS6011786