Exhaust manifold assembly
First Claim
1. An exhaust manifold comprising:
- a manifold body including a first tube that forms an exhaust gas inlet; and
a flange coupled to said manifold body that fixes said manifold body to an engine and places said manifold body in communication with an exhaust gas from said engine, said flange including a first aperture having first and second portions located along an axial extent of said first aperture, said first portion extending to a first end surface of said flange and said second portion extending to a second end surface of said flange, said first portion having a first radial width that is less than a second radial width of said second portion, said second portion receiving an end of said first tube therein, said first tube being fixed to said flange at a location within said first aperture between said first portion and said second end surface and defining a recess between said end of said first tube and said first portion of said first aperture.
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0 Petitions
Accused Products
Abstract
An exhaust manifold may include a manifold body and a flange. The manifold body may include a first tube that forms an exhaust gas inlet. The flange may be coupled to the manifold body and may fix the manifold body to an engine. The flange may include a first aperture having first and second portions located along an axial extent of the first aperture. The first portion may extend to a first end surface of the flange and the second portion may extend to a second end surface of the flange. The first portion may have a first radial width that is less than a second radial width of the second portion. The second portion may receive an end of the first tube therein. The first tube may be fixed to the flange at a location within the first aperture between the first portion and the second end surface.
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Citations
19 Claims
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1. An exhaust manifold comprising:
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a manifold body including a first tube that forms an exhaust gas inlet; and a flange coupled to said manifold body that fixes said manifold body to an engine and places said manifold body in communication with an exhaust gas from said engine, said flange including a first aperture having first and second portions located along an axial extent of said first aperture, said first portion extending to a first end surface of said flange and said second portion extending to a second end surface of said flange, said first portion having a first radial width that is less than a second radial width of said second portion, said second portion receiving an end of said first tube therein, said first tube being fixed to said flange at a location within said first aperture between said first portion and said second end surface and defining a recess between said end of said first tube and said first portion of said first aperture. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method comprising:
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inserting an end of a first tube that forms an exhaust gas inlet to an exhaust manifold into a first aperture of a flange that mounts said exhaust manifold to an engine, said first aperture including first and second portions located along an axial extent thereof, said first portion extending to a first end surface of said flange and said second portion extending to a second end surface of said flange, said first portion having a first radial width that is less than a second radial width of said second portion; aligning said end axially within said first aperture at a location between said first portion and said second end surface, said aligning providing a recess between said first portion and said end of said first tube; and fixing said end of said first tube to an inner surface of said first aperture. - View Dependent Claims (14, 15, 16, 17, 18, 19)
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Specification