Cooling tower fan cylinder

The modular cooling tower fan cylinder with integrally molded ribs and lifter bars addresses assembly challenges, sound and vibration issues, and enhances worker safety, offering a robust and ergonomic solution for cooling tower fan systems.

AU2021322219B2Pending Publication Date: 2026-07-16EVAPTECH
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Patent Information

Authority / Receiving Office
AU · AU
Patent Type
Applications
Current Assignee / Owner
EVAPTECH
Filing Date
2021-08-04
Publication Date
2026-07-16

AI Technical Summary

Technical Problem

Existing cooling tower fan cylinders lack modular design and structural features that facilitate easy assembly, sound and vibration reduction, and worker safety during maintenance.

Method used

A modular cooling tower fan cylinder composed of multiple segments, including basic, motor, and access segments, with integrally molded ribs and flanges for assembly, horizontal and vertical rib stiffeners for structural integrity, and lifter bars for hoisting and safety harnesses, made from fiberglass composite materials.

Benefits of technology

Enables efficient assembly, reduced sound and vibration, enhanced performance, and improved worker safety during maintenance by providing a robust and ergonomic design.

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Abstract

A segmented / modular cooling tower fan cylinder having basic segments, a motor segment and an access segment, assembled to form an hourglass shaped cooling tower fan cylinder to protect fan blades, reduce sound and vibration, and enhance performance. The segments are preferably molded fiberglass composite structures having integrally molded vertical and horizontal ribs and a horizontal rib stiffener which connects horizontal ribs of adjacent segments. A top ring stiffener is provided at the junction of each two adjacent segments in the top ring flange. Lifter bars may be provided inside a central vertical rib of the segment to secure cables or straps to hoist an assembled fan cylinder into its final location or to secure a safety harness for workers servicing equipment in the interior space defined by the fan cylinder.
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Citation Information

Patent Citations

  • Oil tank

    US1631051A