Cistern outlet valve assembly
AssigneeCaroma Industries Limited
InventorSam England
Life of this patent
Estimating the term…
Abstract
A cistern outlet valve assembly (10). The assembly includes an outlet orifice (14) and a buoyant member (20). The buoyant member (20) has an outlet seal (22) on one side and a housing seal (26) on the other. The assembly (10) also includes a valve housing (18) is adapted to cover the buoyant member (20). The housing (18) has large clearance guide means (30) adapted to guide movement of the buoyant member (20) from a closed position in which the outlet seal (22) seals against the outlet orifice (14) and an open position in which the housing seal (20) seals against the housing (18). When the buoyant member (20) is in the open position any fluid incident on the guide means (30) is prevented from flowing onto the buoyant member (20) by the housing seal (20) sealing against the housing (18).
Claims13
A cistern outlet valve assembly, the assembly including:
- an outlet orifice;
- a buoyant member with an outlet seal on one side and an integrally formed raised housing seal bead on the other;
- and a valve housing adapted to cover the buoyant member and having a large clearance guide means adapted to guide the movement of the buoyant member from a closed position in which the outlet seal seals against the outlet orifice and an open position in which the housing seal bead seals against the housing, the valve housing including a surface adjacent said other side of the buoyant member with a plurality of protuberances thereon,
- whereby when the buoyant member is in the open position any fluid incident on the guide means is prevented from flowing onto the buoyant member by the housing seal bead sealing against the housing and the protuberances in said valve housing surface prevent adherence between the buoyant member and the valve housing due to water tension.
(canceled)
Dependencies are inferred from the claim text.