Submerged Surface Cleaner

a technology of cleaners and submerged surfaces, applied in the field of submerged surface cleaners, can solve the problems of adding unnecessarily to the complexity and cost of cleaning cleaners, and achieve the effect of improving the cleaning effect and improving the cleaning
US20080141471A1Inactive Publication Date: 2008-06-19INTEGRATED POOL PRODS
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Patent Information

Authority / Receiving Office
US · United States
Current Assignee / Owner
INTEGRATED POOL PRODS
Publication Date
2008-06-19
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention concerns a suction-type submerged surface cleaner (10) which comprises an injection moulded cleaner head (12) defining internal valve chamber (14). There is a suction inlet (24) to the valve chamber, and an outlet (45) from the valve chamber. A hammer (16) is arranged to oscillate in the valve chamber under the influence of suction flow through the valve chamber from the inlet to the outlet. Contact surfaces (54) of the valve chamber walls (46, 48), which are contacted by the hammer as it oscillates, are provided internally by regions of the valve chamber walls which are reduced locally in thickness compared to other regions of the valve chamber walls. Also, at least some relatively thick regions of the valve chamber walls are formed during moulding with internal cavities to provide buoyancy for the cleaner.
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Description

BACKGROUND TO THE INVENTION

[0001] THIS invention relates to a submerged surface cleaner.

[0002] The invention relates in particular to a suction-type submerged surface cleaner, typically for use in cleaning the submerged surfaces of a swimming pool. Suction-type cleaners are well known and have been in widespread use for a number of years.

[0003] The most popular suction-type pool cleaners are connected by a flexible hose to a suction point, typically a suction inlet at the weir of the swimming pool. The cleaner operates on the submerged surface and water is sucked through it by the pump of the swimming pool filtration unit. One particularly popular pool cleaner has a valve chamber with an inlet, adjacent the submerged surface, through which a water flow is sucked and accommodating a valve member or hammer which oscillates under the influence of the suction flow and which directs the flow alternately to one or the other of a pair of outlet passages leading away from the valve chamber to ...

Claims

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