Swimming pool cleaning device

Details Swimming pool cleaning device Swimming pool cleaning device

E - Fixed Constructions

04

H

15/14

E04H 4/16 (2006.01)

Patent

CA 1274357

A B S T R A C T A flow interruption type swimming pool cleaning device is described including a head having a flow channel 4 therethrough. A valve 5, biased to an open position, is arranged to close the flow channel intermittently when water flows through the flow channel in use. A variable volume chamber 12 communicating with the flow channel is provided downstream of the valve for enhancing operation of the valve in use.

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