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Air intake silencer assembly

a technology of air intake and silencer, which is applied in the direction of combustion-air/fuel-air treatment, machine/engine, feed system, etc., can solve the problems of significant size and cost of sound barriers, acoustic enclosures, and significant size of sound barriers

Inactive Publication Date: 2006-12-07
INGERSOLL RAND CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

"The invention is an improved and cost-effective air intake silencer assembly that acts as a noise-attenuating device and can be positioned directly downstream of an air intake filter and air handling system. The silencer assembly provides minimal resistance to air flow and remains in position without breaking free under the pressure and shearing actions of the air flow. It includes a plenum housing with baffle panels and tubular members with perforated cores and sound-dissipating fibers. The assembly helps reduce noise and improve the performance of the air handling system."

Problems solved by technology

As the noise escapes from its source, its suppressions become significantly more difficult to accomplish by effective and economical means.
In the case of relatively low frequency and long wavelength noise components, sound barriers could thus be significant in size and cost.
Acoustical enclosures, for the same reasons mentioned with respect to acoustical barriers, may also be large in size and expensive.
Acoustical enclosures, which should be air tight to reduce the amount of the internal noise radiating to the outside, may also cause heat retention issues which further complicate their design and increase their cost because of the necessity for cooling and special venting systems.

Method used

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Embodiment Construction

[0014] Before any embodiments of the invention are explained in detail, it is to be understood that the invention is not limited in its application to the details of construction and the arrangement of components set forth in the following description or illustrated in the following drawings. The invention is capable of other embodiments and of being practiced or of being carried out in various ways. Also, it is to be understood that the phraseology and terminology used herein is for the purpose of description and should not be regarded as limiting. The use of “including,”“comprising” or “having” and variations thereof herein is meant to encompass the items listed thereafter and equivalents thereof as well as additional items. The order of limitations specified in any method claims does not imply that the steps or acts set forth therein must be performed in that order, unless an order is explicitly set forth in the specification.

[0015]FIG. 1 illustrates a preferred placement of an ...

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Abstract

An air intake silencer assembly at the intake of an air handling system includes a plenum housing having an inlet end for receiving air and having an outlet port for discharging air. Two baffle panels in spaced relation in the housing define, with the housing, an inlet chamber, a central chamber, and a discharge chamber. A plurality of tubular members is supported by the baffle panels and each includes a perforated core and a sound dissipating fiber wrapping. Air flows into the inlet chamber, through the plurality of tubular members to the discharge chamber, and is discharged from the discharge chamber through the outlet port.

Description

CROSS REFERENCE TO OTHER APPLICATIONS [0001] This application claims priority under 35 U.S.C. sec. 119 to provisional patent application No. 60 / 687739, filed on Jun. 6, 2005, which is hereby incorporated by reference.FIELD OF THE INVENTION [0002] The present invention relates to an air intake silencer assembly for attenuating noise of air flowing into an air handling system, such as an air compressor or blower. BACKGROUND OF THE INVENTION [0003] Air handling systems, such as air compressors or blowers, involve the intake of air from an interfacing environment. The moving air, as it reaches the intake of the air handling system, is subject to pressure variations due to the interaction of the air with stationary and moving objects. These pressure variations in the air manifest as sound, with annoying or unwanted sound broadly defined as noise. Sound propagates through air, other gases and surrounding media at a certain velocity and in the form of pressure waves from a source to a rece...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): F01N1/00F01N1/10
CPCF01N1/04F02M35/1227F02M35/1272F02M35/1211
Inventor LUCAS, MICHAEL J.GROSS, MICHAEL J.
Owner INGERSOLL RAND CO