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US 4,993,513 AGranted
Muffler
AssigneesHonda Giken Kogyo Kabushiki Kaisha, Nakagawa Sangyo Co., Ltd.
InventorsTakeshi Inoue, Hiroshi Funabashi, Yukihiro Nakagawa
Life of this patent
Estimating the term…
Abstract
A muffler includes an outer box fitted over and attached to an exhaust pipe. The muffler also has a connecting member of a noncircular cross section fixed to said exhaust pipe and interposed between the exhaust pipe and the outer box.
Claims12
A muffler comprising:
- an outer box forming an exhaust gas expansion chamber;
- an exhaust pipe connected at one end of said exhaust pipe to said outer box for feeding exhaust gas into said box;
- a discharge pipe connected at one end of said discharge pipe to said outer box for discharging expanded exhaust from said box;
- and
- a connecting member of a noncircular cross section having means for radiating heat and fixed to said one end of at least one of said exhaust pipe and said discharge pipe, where said one end of said at least one of said exhaust pipe and said discharge pipe is connected to said outer box, said connecting member being interposed between said one end and said outer box, said outer box having a hardened, tight resin outer layer and a porous inner heat insulation layer.
2 more elements
A muffler comprising:
- an outer box forming an exhaust gas expansion chamber;
- an exhaust pipe connected at one end of said exhaust pipe to said outer box for feeding exhaust gas into said box;
- a discharge pipe connected at one end of said discharge pipe to said outer box for discharging expanded exhaust from said box;
- and
- a connecting member of a noncircular cross section fixed to said one end of at least one of said exhaust pipe and said discharge pipe, where said one end of said at least one of said exhaust pipe and said discharge pipe is connected to said outer box, said connecting member being interposed between said one end and said outer box;
- said outer box having an outer layer and an inner heat insulation layer and said connecting member having a heat radiating surface for radiating heat from said connecting member, said heat radiating surface being disposed between said exhaust pipe and a joint by which said connecting member is joined to said outer box.
3 more elements
A muffler comprising:
- an outer box, said outer box having an outer layer and an inner heat insulating layer and forming an exhaust gas expansion chamber;
- an exhaust pipe connected at one end of said exhaust pipe to said outer box for feeding exhaust gas into said expansion chamber;
- a discharge pipe connected at one end of said discharge pipe to said outer box for discharging expanded exhaust gas from said expansion chamber;
- a connecting member fixed to said one end of at least one of said exhaust pipe and said discharge pipe, where said one end of said at least one of said exhaust pipe and said discharge pipe is connected to said outer box, said connecting member being interposed between said one end and said outer box, said connecting member having a heat radiating surface for radiating heat from said connecting member, said heat radiating surface being disposed between said one end of at least one of said exhaust pipe and said discharge pipe and a joint by which said connecting member is joined to said outer box.
1 more element
Dependencies are inferred from the claim text.