Water faucet poppet valve

Valves and valve actuation – Hermetic flexible wall seal for actuator – Bellows

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Details

251230, 4678, 239583, 137801, F16K 3100

Patent

active

056879520

ABSTRACT:
A poppet valve assembly wherein the valve stem is protected from water contact. The valve includes a housing, a valve stem reciprocable within the housing, and a valve seal over the stem. The seal is a boot or sleeve having a base end and a valve end. The base end is open and sealed about its entire periphery to the housing. The valve end seals against the end of the valve stem. The housing defines a valve seat, and the valve end of the seal includes a valve portion selectively engaging the seat. Preferably, the seal further includes a bellows portion along its length to bias the valve portion into engagement with the valve seat.

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patent: 5065982 (1991-11-01), Shih

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