Fluid sprinkling – spraying – and diffusing – With cleaning means – drip collecting – waste disposal or soil... – Nozzle cleaner – flusher or drainer
Patent
1986-05-02
1988-01-05
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
With cleaning means, drip collecting, waste disposal or soil...
Nozzle cleaner, flusher or drainer
239519, B05B 1502
Patent
active
047170735
ABSTRACT:
A self-cleaning sprayer head having the capability to deliver a radially directed spray is disclosed. The sprayer head (10) includes a hollow, elongate casing (16), a flanged outlet end (28), and a plunger (42) mounted for sliding reciprocal movement within the casing. A spring (48) holds the plunger (42) in a retracted position. A flexible disc (38) connected to the outlet end of the casing defines an outlet gap (60). The disc (38) is connected to the plunger (42) for movement between a flush position, wherein the outlet gap (60) has a maximum width, and a spray position wherein the gap (60) has a minimum width. The disc (38) is configured to assume the flush position when the plunger (42) is retracted. When pressurized liquid is introduced into the casing (16), the plunger (42) moves in opposition to the spring (48) from its retracted position, through an intermediate position to a spray position. Simultaneously, the pressurized liquid passes through the ports (58) in the plunger and out through the gap. The disc (38) is moved by the plunger (42) from its flush position to its spray position when the plunger (42) moves from its intermediate position into its spray position. Since the disc (38) does not move from its flush position until the plunger (42) reaches its intermediate position, the pressurized liquid is ermitted to flow through the gap (60) when the gap is at its maximum width.
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Kashnikow Andres
The Boeing Company
Weldon Kevin Patrick
LandOfFree
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