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Exhaust processor and associated methodRelated Patent Categories: Power Plants, Internal Combustion Engine With Treatment Or Handling Of Exhaust Gas, MethodsExhaust processor and associated method description/claimsThe Patent Description & Claims data below is from USPTO Patent Application 20070283680, Exhaust processor and associated method. Brief Patent Description - Full Patent Description - Patent Application Claims
[0001] This application claims the benefit under 35 U.S.C. .sctn. 119(e) of U.S. Provisional Application No. 60/570,250 which was filed May 12, 2004 and is hereby incorporated by reference herein. FIELD OF THE DISCLOSURE [0002] The present disclosure relates generally to exhaust processors. BACKGROUND OF THE DISCLOSURE [0003] Exhaust processors are used to process exhaust gas of an engine. One type of exhaust processor is a muffler. Mufflers may be configured in a variety of ways to attenuate sound generated as a result of combustion in the engine. Another type of exhaust processor is an emission abatement device which may be configured in a variety of ways to reduce exhaust gas emissions. SUMMARY OF THE DISCLOSURE [0004] According to an aspect of the present disclosure, there is provided an exhaust processor. The exhaust processor comprises an isolated interior volume that is defined in a housing of the exhaust processor so as to be isolated from exhaust gas in the housing. A motion converter is positioned in the isolated interior volume and is configured to convert in the isolated interior volume linear movement of a linear valve actuator into rotation of an exhaust valve. A method associated with this aspect of the disclosure is provided. [0005] In an implementation, the exhaust processor is configured as a muffler. A cylinder control system is configured to selectively activate and de-activate cylinders of an engine and to act through the linear valve actuator and the motion converter to rotate the valve between different positions in response to such control of the engine cylinders. As such, the muffler can be "tuned" to attenuate different sound frequencies as the engine mode of operation is changed. [0006] According to another aspect of the disclosure, an exhaust processor comprises an exhaust valve, an exhaust valve mover, and a first pad. The exhaust valve mover is secured to the exhaust valve and movable to move the exhaust valve relative to an exhaust passageway to control flow of exhaust gas therein. The first pad is configured to be contacted by the exhaust valve mover to stop movement of the exhaust valve mover in a cushioned manner so as to position the valve in a first valve position. There may also be a similar second pad configured to be contacted by the exhaust valve mover to stop movement of the exhaust valve mover in a cushioned manner so as to position the valve in a second valve position. The pad(s) may be positioned internally or externally to an exhaust treatment device of the exhaust processor. A method associated with this aspect of the disclosure is provided. [0007] The above and other features of the present disclosure will become apparent from the following description and the attached drawings. BRIEF DESCRIPTION OF THE DRAWINGS [0008] FIG. 1 is a simplified block diagram showing an exhaust processor for processing exhaust gas of an engine; [0009] FIG. 2 is a sectional view of the exhaust processor; [0010] FIG. 3 is a perspective view of a valve module of the exhaust processor; [0011] FIG. 4 is a sectional view showing internal components of the valve module; [0012] FIG. 5 is a fragmentary sectional view taken along lines 5-5 of FIG. 2 when a valve of the valve module is in a flow-enabling position; [0013] FIG. 6 is a fragmentary sectional view taken along lines 6-6 of FIG. 2 showing the valve in the flow-enabling position; [0014] FIG. 7 is a fragmentary sectional view similar to FIG. 5 when the valve is in a flow-restricting position; [0015] FIG. 8 is a fragmentary sectional view similar to FIG. 6 showing the valve in the flow-restricting position; [0016] FIG. 9 is a sectional view of another exhaust processor; [0017] FIG. 10 is an elevation view of a motion limiter; and [0018] FIG. 11 is a fragmentary perspective view of yet another exhaust processor. DETAILED DESCRIPTION OF THE DRAWINGS [0019] While the concepts of the present disclosure are susceptible to various modifications and alternative forms, specific exemplary embodiments thereof have been shown by way of example in the drawings and will herein be described in detail. It should be understood, however, that there is no intent to limit the disclosure to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives following within the spirit and scope of the invention as defined by the appended claims. Continue reading about Exhaust processor and associated method... Full patent description for Exhaust processor and associated method Brief Patent Description - Full Patent Description - Patent Application Claims Click on the above for other options relating to this Exhaust processor and associated method patent application. ###  How KEYWORD MONITOR works... a FREE service from FreshPatents1. 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