Intake manifold
AssigneeFord Global Technologies, LLC
InventorMilind B. Kulkarni
Life of this patent
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Abstract
Various systems for reducing noise, vibration, and harshness in an intake manifold are provided. In one example, an intake manifold includes one or more runners, a plenum fluidically coupled to the one or more runners, an inlet having a wall thickness, and a first and a second indentation, where the first indentation protrudes radially inward at a first inflection point in a first direction, the second indentation protrudes radially inward at a second inflection point in a second direction substantially anti-parallel to the first direction, and the wall thickness is maintained at the first and second inflection points. In this way, noise, vibration, and harshness associated with the intake manifold and its inlet may be reduced without additional weight, cost, or complexity.
Claims20
An intake manifold, comprising:
- a plenum fluidically coupled to one or more runners;
- and
- an inlet positioned upstream the plenum and including a first indentation protruding radially inward in a first direction and a second indentation protruding radially inward in a second direction substantially anti-parallel to the first direction;
- wherein an inlet wall thickness is maintained at the first and second indentations.
A system, comprising:
- a throttle body;
- and
- an intake manifold having an inlet runner located upstream a plenum and coupled adjacent to the throttle body,
- the inlet runner having walls having a double-humped cross-section with a first indentation and a second indentation each extending radially inward opposite from one another, the first and second indentations formed in the walls and including exterior and interior intake manifold walls.
A system, comprising:
- a throttle body;
- and
- an intake manifold having an inlet located upstream of a plenum and coupled to the throttle body, one or more runners fluidically coupled to the plenum, a plurality of ribs extending along an exterior surface of the inlet, and a top shell and a bottom shell oppositely joined together to thereby form the intake manifold,
- a first tube and a second tube each fluidically coupled to the intake manifold,
- the inlet having a centrally-tapered cross-section with a first indentation and a second indentation, each indentation extending radially inward opposite one another to reduce noise and vibration,
- the one or more runners not having a double-humped cross-section, and a plurality of vanes proximate the inlet and upstream of the centrally-tapered cross-section.
Dependencies are inferred from the claim text.