Title:
LOW GRAVITY FED WATER SYSTEM WITHOUT SUBMERSED DRAINS WITHIN THE BATHING CHAMBER FOR POOLS AND SPAS
Document Type and Number:
WIPO Patent Application WO/2012/166597
Kind Code:
A3
Abstract:
A low gravity fed water system (200) includes a housing (202) having an inlet opening (204), a portion of the inlet opening disposed above the waterline and a portion of the inlet opening disposed below the waterline. The housing has an outlet opening disposed in the housing below the waterline in fluid communication with the plurality of jets. The housing has a vent opening (271) disposed in the housing below the waterline. An upwardly-extending conduct (270) is connectable at a first end (271) to the vent opening, and has a second end (274) disposed above the waterline in ambient air away from an inside surface of the housing and away from an inside surface of the tub. In the event of a blockage of the inlet opening, air is drawn into the housing via the conduit inhibiting a suction being drawn on the inlet opening.
Inventors:
COX WESLEY O (US)
Application Number:
PCT/US2012/039582
Publication Date:
April 18, 2013
Filing Date:
May 25, 2012
Export Citation:
Assignee:
COX WESLEY O (US)
International Classes:
E03C1/22; F04B49/00
Domestic Patent References:
| WO1999018307A1 | 1999-04-15 |
Foreign References:
| US4349434A | 1982-09-14 | |||
| JPH0664593U | 1994-09-13 | |||
| US3918107A | 1975-11-11 | |||
| JPH07308531A | 1995-11-28 |
Attorney, Agent or Firm:
PASCARELLA, David A. (5 Columbia CircleAlbany, New York, US)
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