Grinding device for a drain pump
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United States of America Patent
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Oct 29, 2002
Grant Date -
N/A
app pub date -
Nov 21, 2000
filing date -
Nov 22, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A grinding device for a drain pump on a dishwasher appliance includes moving elements that turn integrally with the impeller (5) of the pump (4) and fixed elements joined to the pump hydraulic body (2). The grinding is carried out by the combination of a blade (6), provided with a plurality of vanes, which turns integrally with the impeller (5) and a fixed support (7), provided with a plurality of apertures (7a), the gap between the blade (6) and the support (7) not being dependent on the fitting tolerances of the grinder assembly (1) in the hydraulic body (2) and the end play of the impeller (5).
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