Reduced noise solenoid valve

Details Reduced noise solenoid valve Reduced noise solenoid valve

1996-07-23

1998-07-07

Lee, Kevin

Valves and valve actuation

Electrically actuated valve

Including solenoid

25112905, 335257, F16K 3106

Patent

active

057756708

ABSTRACT:
Modified pole piece and armature members reduce the noise level for purge valves, particularly at low temperatures. A raised outer ring positioned on the lower end of the pole piece mates with a raised step on the upper end of the armature. Alternatively, a noise disk made from a flexible energy absorbing material, such as fluorosilicone, could be positioned between the pole piece and armature; also the valve member positioned on the lower end of the armature could be made from the same material.

REFERENCES:
patent: 3424951 (1969-01-01), Barker
patent: 3446473 (1969-05-01), Barker
patent: 3523676 (1970-08-01), Barker
patent: 3707992 (1973-01-01), Ellison et al.
patent: 4901974 (1990-02-01), Cook et al.
patent: 4921208 (1990-05-01), LaMarca
patent: 4989829 (1991-02-01), Bickel
patent: 5083546 (1992-01-01), Detweiler et al.
patent: 5237980 (1993-08-01), Gillier
patent: 5326070 (1994-07-01), Baron
patent: 5538219 (1996-07-01), Osterbrink

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