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US 6,148,955 AGranted
Silencer
AssigneeAcoust-A-Fiber Research and Development, Inc.
InventorsJerry M. Wolf, Hiten T. Shah
Life of this patent
Estimating the term…
Abstract
A silencer and method of making are described. A tube is wrapped with a layer of texturized fiber yarn. A septum is then overlaid. Other layers of fiber and septums may also be added. Once rolling is completed, the roll is placed in a canister with end caps.
Claims11
A silencer, comprising
- a canister;
- a perforated tube in said canister;
- a first layer of texturized fiber surrounding said tube;
- at least one septum at least partially surrounding said first layer of texturized fiber;
- and
- a second layer of texturized fiber encompassing said at least one septum.
3 more elements
A silencer, comprising:
- a canister;
- a perforated tube in said canister;
- a first layer of texturized fiber surrounding said tube and having a density up to 300 kg/m.sup.3 to allow for volumetric air flow;
- and
- at least one septum at least partially surrounding said first layer of texturized fiber.
2 more elements
A silencer, comprising:
- a canister;
- a perforated tube in said canister;
- a first layer of texturized fiber surrounding said tube and having a density up to 300 kg/m.sup.3 to allow for volumetric air flow;
- at least one septum at least partially surrounding said first layer of texturized fiber;
- and
- a second layer of texturized fiber encompassing said at least one septum.
3 more elements
Dependencies are inferred from the claim text.