Ventilation damper system and method

A damper and damper technology, applied in the field of ventilation damper systems and methods, capable of solving problems such as generating extra noise and increasing noise

Inactive Publication Date: 2022-05-17
BROAN NUTONE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In particular, the shape of the backstop damper can reflect sound through the ventilation assembly housing, thereby increasing the noise
Similarly, backstop dampers can vibrate due to output airflow or be pushed against the surrounding casing, creating additional noise

Method used

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  • Ventilation damper system and method
  • Ventilation damper system and method
  • Ventilation damper system and method

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0047] Such as figure 1 As shown, a ventilation assembly 30 according to one example can include a main housing 32 , a damper assembly 34 and a fan assembly 36 . The main housing 32 can include a housing wall 38 defining an interior space and can include at least an inlet 40 and an outlet 42 . Fan assembly 36 is positionable within the interior space and is operable to generate an input airflow through inlet 40 and an output airflow through outlet 42 . Such as Figure 4A to Figure 4C As shown, the damper assembly 34 can include a main body 44 and a damper door 46 that is rotatable within the main body 44 between at least an open position and a closed position. The body 44 can be positioned at the outlet 42 and is formed in the shape of a tube with an opening for directing the output airflow out of the outlet 42 . In the open position, the damper 46 is rotated to position the damper 46 within the body 44 to allow airflow through the opening. In the closed position, the damp...

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PUM

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Abstract

A damper assembly comprising: a body defining a continuous fluid path extending between a first opening and a second opening; and a damper rotatable within the body to control fluid flow through the subject. The body includes an engagement edge extending circumferentially over the inner surface of the body. The damper is rotatable relative to the body to sealingly engage the outer edge of the damper with the engagement edge. The engagement edge of the body can be oriented on the inner surface such that the surface area of ​​the outer edge engaging the engagement edge increases progressively as the damper is rotated to seal the damper to the body.

Description

[0001] priority statement [0002] This patent application claims "VENTILATION DAMPER SYSTEM AND METHOD" filed November 18, 2013 by Robert G. Penlesky et al. SYSTEM AND METHOD)" and by Robert G. Penlesky et al. on February 4, 2014, application number 61 / 935,754 (attorney docket 5978.202PV2) and the title of the invention is "ventilation damper system and method", which is hereby incorporated by reference in its entirety. technical field [0003] This document relates primarily, but not exclusively, to ventilation systems with dampers and ventilation damper systems. Background technique [0004] Ventilation exhaust fans, such as those commonly installed in bathrooms, draw air from within a space and send the exhaust air out, for example, by sending the exhaust air through a building's gabled roof or vents in the roof. another location. The exhaust fan can include a rotary fan wheel with a plurality of blades that rotate within the housing to draw airflow inward from the sp...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24F13/10
CPCF24F2007/002F24F7/007F24F13/10
Inventor R·G·彭勒斯基K·J·乔纳斯C·S·杰卡克
Owner BROAN NUTONE
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