B - Operations – Transporting – 05 – B
Patent
B - Operations, Transporting
05
B
299/22
B05B 1/00 (2006.01)
Patent
CA 1231358
FLOW CONTROL NOZZLE AND SHUTOFF VALVE HAVING SCREEN-CARRYING PASSAGE IN ROTATABLE STEM Abstract A flow control nozzle and shutoff valve has a housing which defines inlet and outlet openings on opposite sides thereof, and a flow channel extending therethrough for communicating the inlet and outlet openings. A control member is journaled by the housing for rotation about an axis that intersects the flow channel. The control member has a ball-shaped portion that is positioned along the flow channel. An elongate flow passage is formed through the ball-shaped portion of the control member. A curved, screen-like, flow regulating formation is positioned at one of the ends of the flow passage. The control member is movable relative to the housing among first, second and third control positions to selectively bring its flow passage into or out of alignment with the flow channel, and to selectively position the screen-like formation near the inlet and the outlet openings. When the control member is in its first control position, the screen-like formation is held in proximity to the inlet, and the flow of fluid that issues from the outlet takes the form of a solid, non-dispersed stream. When the control member is in its second control position, the screen-like formation is held in proximity to the outlet, and the flow of fluid that issues from the outlet is dispersed by the screen-like formation to form a spray. When the control member is in its third control position, the control member operates to close off fluid flow through the unit.
482413
Gowling Lafleur Henderson Llp
Hengesbach Robert W.
LandOfFree
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