GB1237694A
Expired / Lapsed
GB
⏱️ 0.0 years remaining
Improvements relating to air curtains
Assignee: PROGRESS JETS Ltd
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Filing: 1968-08-19
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Granted: —
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Expires: 1988-08-19
Abstract
Abstract 1,237,694. Air curtains. PROGRESS JETS Ltd. 19 Aug., 1969 [19 Aug., 1968], No. 39508/68. Heading F4V. Apparatus for producing an air curtain across an opening of a doorway, passage or tunnel to protect an interior space comprises ducts 3, 5 having elongated slots from which are projected converging streams of air 4, 6, the streams traversing the downstream margin 2 of the opening on the exterior side thereof. An air collector 9 may be provided. Both ducts 3 and 5 may be positioned on the interior side of the opening. A passage may be subdivided by spaced apparatuses as described above.
Inventors
- 👤 John Bryan Jones
Bibliographic Details
Application Number
—
Jurisdiction
GB
Data Source
google_patents
Last Synchronized
2026-10-30 18:51
CPC Classifications
F; F24; F24F; F24F9/00
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