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GB185139A Expired / Lapsed GB ⏱️ 0.0 years remaining

Improvements in or relating to centrifugal fans, blowers and the like

Assignee: Hall & Kay Ltd
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Filing: 1921-02-24
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Granted: —
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Expires: 1941-02-24
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Abstract

Abstract 185,139. Hall & Ray, Ltd., Hall, D., and Kay, J. H. Feb. 24, 1921. Regulating; fixing blades.-The blades of a centrifugal fan or blower, in which the blades are carried by annular members, are adjustable as to their angle by rotation about pivots 7 in the side discs. They may be. adjusted individually and held by a clamping-bolt moving in the slot 11 or, as shown, may be adjusted simultaneously bv rotation of a slotted ring 16 through the slots of which pins 12 pass. The ring 16 may beclamped in the divided position.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction GB
Data Source google_patents
Last Synchronized 2026-10-23 04:10
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/26; F04D29/28; F04D29/287

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