Fluid handling – Back flow prevention by vacuum breaking – Air vent in liquid flow line
Patent
1997-02-13
1999-05-11
Michalsky, Gerald A.
Fluid handling
Back flow prevention by vacuum breaking
Air vent in liquid flow line
1374542, 13762546, 137876, 251286, E03C1/10
Patent
active
059017350
ABSTRACT:
A cartridge for a valve housing having outlets, the cartridge comprising a stationary body sleeve for fixed insertion within the housing and having outlet ports permanently aligned with the outlets of the housing, a moveable substantially hollow stem sleeve inserted within the stationary body sleeve and having an opening selectively alignable with the ports of the stationary body sleeve, the body sleeve and hollow stem being connected to one another by a retaining ring which aligns and maintains the cartridge as a unit in the housing.
REFERENCES:
patent: 4589438 (1986-05-01), Breda
patent: 4979530 (1990-12-01), Breda
patent: 5685330 (1997-11-01), Breda
Breda Silvano
Hughes Ivor M.
Hughes Neil H.
Michalsky Gerald A.
Sarkis Marcelo K.
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