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US 6,668,972 B2Granted
Bumper/muffler assembly
AssigneeOwens Corning Fiberglas Technology, Inc.
InventorsNorman T. Huff, Robert A. Schweizer, Andrew M. Sanders
Life of this patent
Estimating the term…
Abstract
A bumper/muffler assembly is provided comprising a bumper; and a muffler having an outer shell. The outer shell may be formed from a non-high impact resistant material, such as a thin metal or a composite material. The muffler may comprise a separate element from the bumper, which is coupled thereto, or is formed as an integral part of the bumper.
Claims32
A bumper/muffler assembly comprising:
- a bumper;
- a muffler having an outer shell formed from a composite material, said muffler being associated with said bumper;
- a bushing having an outer surface engaging said outer shell and an inner surface adapted to engage at least one of a perforated pipe and a flex section.
A bumper/muffler/exhaust pipe system comprising:
- a bumper/muffler assembly comprising a bumper, and a muffler having an outer shell and a perforated pipe extending through said outer shell, said muffler being associated with said bumper;
- at least one exhaust pipe;
- a flex section for coupling said exhaust pipe to said perforated pipe;
- and
- a bushing having an outer surface engaging said outer shell and an inner surface engaging said flex section.
2 more elements
A bumper/muffler assembly comprising:
- a bumper;
- and
- a muffler associated with said bumper including an outer shell and a perforated pipe with opposing ends, said perforated pipe extending through said outer shell, and at least one bushing assembly positioned between said outer shell and said perforated pipe, said bushing assembly including a first bushing having an angled outer surface and being fixedly coupled to said perforated pipe, a second bushing having an angled inner surface and being positioned over said first bushing, said second bushing engaging an inner surface of said outer shell and being capable of moving relative to said first bushing and said outer shell, and a spring fixedly coupled to said perforated pipe and engaging an inner, side surface of said second bushing for biasing said second bushing outwardly toward a corresponding end of said perforated pipe.
A bumper/muffler assembly comprising:
- a bumper;
- and
- a muffler having an outer shell formed from a non-high impact resistant phenolic resin material, said muffler being associated with said bumper;
- and
- a bushing having an outer surface engaging said outer shell and an inner surface adapted to engage at least one of a perforated pipe and a flex section.
2 more elements
A bumper/muffler/exhaust pipe system comprising:
- a bumper/muffler assembly comprising a bumper, and a muffler having an outer shell and a perforated pipe extending through said outer shell, said muffler being associated with said bumper;
- at least one exhaust pipe;
- and
- a flex section for coupling said exhaust pipe to said perforated pipe, wherein said flex section extends at least part way into an opening in said outer shell.
1 more element
Dependencies are inferred from the claim text.