F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
F16K 11/044 (2006.01) F16K 11/16 (2006.01)
Patent
CA 2102666
A flow control device has a case formed in a lower portion thereof with a fluid channel and a disk seat at an intermediate portion of the channel. A spindle housed in the case has a disk at its lower end and a rollable member at its upper end and is biased by a spring to press the disk against the seat. The case is provided in an upper portion thereof with a rotary shaft having an upwardly projecting handle or sidewise projecting lever handle. The shaft has a rollable member seat which is annular or circular-arc when seen from above and which is formed with a protuberance for lifting and lowering the rollable member as placed on its seat. Rotation of the shaft moves the protuberance, which in turn raises the rollable member to lift the spindle and hold the disk away from the disk seat. The rotation of the shaft reliably opens or closes the channel, or reliably effects a change-over between fluid channels. The seal face of the disk is less prone to abrasion or damage, will not displace the handle when the disk is thereby closed and is highly durable. The fluid channel within the device can be completely sealed off, so that the device is advantageously usable as a sanitary valve.
Nakazawa Masahiko
Tsukada Kazuo
Fetherstonhaugh & Co.
Fujikin Incorporated
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