Fire or Smoke Alarm
AssigneeSiemens Schweiz AG
InventorsMathias Staeger, Walter Vollenweider
Life of this patent
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Abstract
Various embodiments include a fire or smoke alarm comprising: a detection arrangement arranged within an alarm housing; and an alarm-housing cover having, on an inner side, a plurality of housing ribs pointing radially in the direction of an alarm dome. The detection arrangement comprises a level divider with an opening. A maximum possible spacing between two points on a peripheral line of the opening or on a common peripheral line of a plurality of openings is larger than a diameter of the alarm dome. The peripheral line of the opening or the common peripheral line of a plurality of openings in the level divider extends beyond the alarm dome of the alarm-housing cover on all sides.
Claims15
A alarm comprising:
- a detection arrangement for smoke and/or fire arranged within an alarm housing;
- and
- an alarm-housing cover having,
- on an inner side, a plurality of housing ribs pointing radially in the direction of an alarm dome;
- wherein the detection arrangement comprises a level divider with an opening;
- a maximum possible spacing between two points on a peripheral line of the opening or on a common peripheral line of a plurality of openings is larger than a diameter of the alarm dome;
- and
- the peripheral line of the opening or the common peripheral line of a plurality of openings in the level divider extends beyond the alarm dome of the alarm-housing cover on all sides.
Dependencies are inferred from the claim text.