EP0743456A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Muffler with integral check valve
Assignee: Carrier Corp
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Filing: 1996-04-18
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Granted: —
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Expires: 2016-04-18
Abstract
Abstract An unbiased valve (40) is located within a muffler (20). The valve (40) is positioned by the pressure differential across the valve (40) and is either in the full open or full closed position. A pressure equalization tube (44) is provided between the downstream cavity (32) of the muffler (20) and the back of the valve (40) such that flow pattern produced low pressure areas are avoided and the valve (40) can react to actual pressure differentials in the flow. <IMAGE>
Inventors
- 👤 Peter Todd Schutte
- 👤 David Michael Ebbing
- 👤 Frederick Lee Miller, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-26 14:52
CPC Classifications
F; F04; F04B; F04B39/00; F04B39/10; F04C; F04C29/00; F04C29/12; F04C29/124; F04C29/126; F04C29/06; F04C29/065
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
115 words
A muffler (20) comprising: housing means divided into a first (30) and a second (32) cavity by a partition (26), an inlet (22-1) communicating with said first cavity and an outlet communicating with said second cavity, valve seat means (22-2) surrounding said inlet, muffler tubes (42) supported by said partition and providing fluid communication between said first and second cavities, and valve means (40) having a first side facing said valve seat means, a second side facing said partition with said valve means being movable between a first position seated on said valve seat means and a second position permitting flow through said muffler solely responsive to flow produced forces acting on said valve means.
Claim 2
Dependent Claim
35 words
The muffler of claim 1 wherein, said muffler tubes and said outlet are circumferentially spaced, and said valve means has a circular portion which is at least nearly entirely radially inward of said muffler tubes.
Claim 3
Dependent Claim
21 words
The muffler of claim 1 wherein said valve means is slideable on a valve guide stem (28) extending through said partition.
Claim 4
Dependent Claim
46 words
The muffler of claim 1 wherein a pressure equalization tube (44) extends from said second cavity to a region facing said second side of said valve means whereby said second side of said valve means is at a pressure corresponding to that of said second cavity.
References Cited (Backward Citations)
No citation records indexed.
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