| 摘要 |
A self propelled pool cleaner is of compact narrow construction and comprises a diaphragm for propulsion and may be provided is a kit of parts for retrofitting a pool cleaner of the hammer type, the pool cleaner (10) having a hollow body (12) formed with a fluid inlet end (16) and a fluid outlet end (18) opposite to said inlet end, a divider (34) forming two separate flow passages in said hollow (14), and a hammer valve member (32) arranged to pivotally reciprocate about a pivot point to cause fluid to flow alternately in the flow passages. The kit has a tubular diaphragm member (50) for replacing the hammer valve member, an inner tube member (54) for replacing the divider and one end of which being adapted for connection to the diaphragm member, a diaphragm holder (52) adapted for fixing in said hollow adjacent to said inlet end to hold the diaphragm member in position in said hollow, a tube holder (56) adapted for fixing in said hollow adjacent to said outlet end to hold said tube in position in said hollow. A process for retrofitting the pool cleaner is also disclosed.
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