Axially actuated drain valve for pools and spas

Details Axially actuated drain valve for pools and spas Axially actuated drain valve for pools and spas

2005-05-03

2005-05-03

Jacyna, J. Casimer (Department: 3751)

Valves and valve actuation

Valve actuator is inlet or outlet

Reciprocating spout

C251S319000, C251S339000

Reexamination Certificate

active

06886808

ABSTRACT:
An axially actuated drain valve for pools and spas mountable in a wall thereof. It includes a tubular body and a coaxial plunger. The body opens into the spa or pool at an inner end. The plunger has a passage opening near the outer end of its passage. A cylindrical seal engages with a seal on the plunger for a substantial range of movement to keep the valve closed. Beyond that, the plunger passage is opened for flow from the body passage opening. The plunger may have threads on its outer end to be coupled to a hose fitting.

REFERENCES:
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patent: 3817267 (1974-06-01), Hicks et al.
patent: 4801124 (1989-01-01), Liebel
patent: 4876749 (1989-10-01), Antoniello
patent: 5096158 (1992-03-01), Burdick et al.
patent: 5154138 (1992-10-01), Siddiqui et al.
patent: 5433410 (1995-07-01), Foltz
patent: 5546986 (1996-08-01), Clark et al.
patent: 6219861 (2001-04-01), Chen

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