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US 6,251,498 B1Granted
Soundproof heat shield member for exhaust manifold
AssigneeIbiden Co., Ltd.
InventorsKoji Fukushima, Keiichi Sakashita
Life of this patent
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Abstract
A soundproof heat shield member for an exhaust manifold comprises a metal substrate of a given three-dimensional shape, a nonwoven fabric disposed on a surface of the metal substrate facing an exhaust manifold, and a woven wire cloth of metal wires disposed on a surface of the nonwoven fabric and fixed to the metal substrate, and is excellent in the sound absorbing property, heat shielding property and durability.
Claims3
A soundproof heat shield member for an exhaust manifold, comprising:
- a metal substrate formed into a given three-dimensional shape, the metal substrate having a thickness of 0.5-2 mm and selected from a group consisting of steel sheet, plated steel sheet and stainless steel sheet;
- a nonwoven fabric disposed on a surface of the metal substrate facing the exhaust manifold, the fabric comprises at least one inorganic fiber selected from a group consisting of ceramic fiber, glass wool, silica fiber and rock wool;
- and
- a woven wire cloth of metal wires with an interstice of 5-100 mesh disposed on a surface of the nonwoven fabric and fixed to the metal substrate, the metal wires selected from a group consisting of stainless steel, brass and galvanized steel and having a wire diameter of 0.1-1 mm.
1 more element
Dependencies are inferred from the claim text.