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US 2015/0020523 A1Published application
Wastegates and Wastegate Components
AssigneeHoneywell International Inc.
InventorsAlain Lombard, Nicolas Serres
Life of this patent
Estimating the term…
Abstract
A wastegate assembly can include a plug configured to plug a wastegate opening where the plug includes a concave, at least partially spherical surface; a shaft configured for receipt by a bore in a wastegate chamber; and a rotatable arm extending from the shaft where the arm includes a convex, at least partially spherical surface configured for contacting the concave, at least partially spherical surface of the plug for a closed orientation of the plug with respect to the wastegate opening.
Claims20
A wastegate assembly comprising:
- a plug configured to plug a wastegate opening wherein the plug comprises a concave, at least partially spherical surface;
- a shaft configured for receipt by a bore in a wastegate chamber;
- and
- a rotatable arm extending from the shaft wherein the arm comprises a convex, at least partially spherical surface configured for contacting the concave, at least partially spherical surface of the plug for a closed orientation of the plug with respect to the wastegate opening.
1 more element
A turbocharger comprising:
- a compressor housing;
- a center housing;
- and
- a turbine housing that comprises a wastegate chamber, a bore, a wastegate opening and a wastegate assembly wherein the wastegate assembly comprises
- a plug configured to plug the wastegate opening wherein the plug comprises a concave, at least partially spherical surface;
- a shaft configured for receipt by the bore in the wastegate chamber;
- and
- a rotatable arm extending from the shaft wherein the arm comprises a convex, at least partially spherical surface configured for contacting the concave, at least partially spherical surface of the plug for a closed orientation of the plug with respect to the wastegate opening.
5 more elements
A wastegate assembly comprising:
- a plug configured to plug a wastegate opening wherein the plug comprises a peg extending from a rounded surface;
- a shaft configured for receipt by a bore in a wastegate chamber;
- and
- a rotatable arm extending from the shaft wherein the arm comprises an annular, beveled lower surface leading to a peg opening configured for receipt of the peg of the plug, the annular, beveled lower surface configured to contact the rounded surface of the plug for a closed orientation of the plug with respect to the wastegate opening.
1 more element
Dependencies are inferred from the claim text.