Automatic liquid delivery system with time-delay release...

Details Automatic liquid delivery system with time-delay release... Automatic liquid delivery system with time-delay release...

2006-08-08

2006-08-08

Luu, Teri Pham (Department: 3644)

Plant husbandry

Plant irrigators and/or fertilizers, apparatus or method

C222S067000

Reexamination Certificate

active

07086199

ABSTRACT:
A timed-release irrigation device is disclosed. The device includes a first fluid reservoir having an upper cover portion adapted to enclose a first body of liquid. A liquid discharge member projects from the first fluid reservoir for enabling selective release of liquid therefrom. A second fluid reservoir is provided for containing a second body of liquid in fluid communication with the ambient environment. The second fluid reservoir has a closed bottom portion and a mechanism for regulating the evaporation rate of the second body of liquid to the ambient environment. Finally, a trigger mechanism is provided for releasing the liquid from the first fluid reservoir through the discharge member, the trigger mechanism being actuated by the evaporation rate regulating mechanism.

REFERENCES:
patent: 2991911 (1961-07-01), Spain
patent: 3125255 (1964-03-01), Kaiser
patent: 6000425 (1999-12-01), Steinorth

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