Photoluminescent engine indicium
First Claim
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1. A vehicle engine, comprising:
- an exhaust manifold configured to emit a first emission wavelength;
a heat shield positioned to a side of and at a distance from;
the exhaust manifold having a shield substrate defining an aperture; and
an indicator positioned over the aperture and comprising;
a support substrate; and
a semiconductor layer configured to absorb the first emission wavelength and emit a second emission wavelength wherein the exhaust manifold and the indicator are separated only by ambient air.
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Abstract
A vehicle engine is provided that includes an exhaust manifold configured to emit a first emission. A heat shield is positioned proximate the exhaust manifold and has a shield substrate defining an aperture. An indicator is positioned over the aperture with a support substrate and a semiconductor layer. The semiconductor layer is configured to absorb the first emission and emit a second emission.
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Citations
20 Claims
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1. A vehicle engine, comprising:
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an exhaust manifold configured to emit a first emission wavelength; a heat shield positioned to a side of and at a distance from;
the exhaust manifold having a shield substrate defining an aperture; andan indicator positioned over the aperture and comprising; a support substrate; and a semiconductor layer configured to absorb the first emission wavelength and emit a second emission wavelength wherein the exhaust manifold and the indicator are separated only by ambient air. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A vehicle, comprising:
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an engine component configured to emit a first emission having a wavelength greater than about 800 nm; a heat shield positioned to a side of and at a distance from;
the engine component; andan indicator positioned on the heat shield configured to absorb the first emission and emit a second emission wherein the engine component and the indicator are separated only by ambient air. - View Dependent Claims (10, 11, 12, 13, 14, 15)
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16. A vehicle engine, comprising:
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an exhaust manifold configured to emit a first emission; a heat shield positioned to a side of and at a distance from;
the exhaust manifold; anda semiconductor layer positioned proximate the heat shield and configured to convert the first emission into a second emission wherein the semiconductor layer and the exhaust manifold are separated only by ambient air. - View Dependent Claims (17, 18, 19, 20)
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Specification