Filter device

Details Filter device Filter device

2011-06-28

2011-06-28

Smith, Duane (Department: 1776)

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Position or extent of motion

C210S085000, C210S416400, C210S416500, C210S435000, C210S437000, C210S440000, C210S441000, C210S443000, C210S444000, C210S450000, C210S451000, C210S457000, C210S458000, C210S472000, C210S493100, C210S493200, C210S497010

Reexamination Certificate

active

07967977

ABSTRACT:
A filter device, especially a line filter forming part of hydraulic installations, includes a filter housing (1) that can be removed from a filter head and is used to receive a filter element (5) that separates a non-filtered side (13) from a filtered side (11) in a position in the filter housing for the operation of the filter. The filter device is provided with a display device (19, 21) signaling the absence or presence of the filter element (5) in the filter housing (1) in the operating position.

REFERENCES:
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patent: 5902479 (1999-05-01), Fukumori et al.
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patent: 11104410 (1999-04-01), None

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