Title:
LOW PRESSURE LOSS TYPE CHANGE-OVER VALVE DEVICE
Document Type and Number:
Japanese Patent JP2002195452
Kind Code:
A
Abstract:
To reduce a pressure loss of a float valve.
In a change-over valve for alternately making the certain amount of service water flow to two output ports provided to a valve body using a water pressure supplied from a water pipe, the float valve of a vacuum breaker is provided with a buoyancy increasing means.
Inventors:
IMAMURA YOSHIO
KIDO TSUTOMU
FUJIYAMA SHIGEYUKI
YURA RYUTARO
OSHIDA MASAHIRO
SUZUKI TAKATOMO
KIDO TSUTOMU
FUJIYAMA SHIGEYUKI
YURA RYUTARO
OSHIDA MASAHIRO
SUZUKI TAKATOMO
Application Number:
JP2000394488A
Publication Date:
July 10, 2002
Filing Date:
December 26, 2000
Export Citation:
Assignee:
TOTO LTD
FUJI BELLOWS CO LTD
FUJI BELLOWS CO LTD
International Classes:
E03D3/00; F16K33/00; F16K47/04; (IPC1-7): F16K33/00; F16K47/04