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US 11,306,687 B2Granted
Engine exhaust manifold
AssigneeKubota Corporation
InventorsKentaro Nagai, Ryutaro Komura, Takashi Yamaguchi, Kumiko Sakaguchi, Takahiro Yamazaki
Life of this patent
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Abstract
An engine exhaust manifold including exhaust inlet parts at four locations corresponding to a plurality of exhaust ports, one exhaust outlet part, and an exhaust confluence part to collect exhaust gas from each of the exhaust inlet parts and send to the exhaust outlet part. An EGR passage part to send EGR gas toward an intake passage is formed.
Claims16
An engine exhaust manifold comprising:
- an exhaust inlet part corresponding to a plurality of exhaust ports;
- one exhaust outlet part;
- an exhaust confluence part to collect exhaust gas from the exhaust inlet part and send to the exhaust outlet part, the engine exhaust manifold being formed with an EGR passage part to send EGR gas toward an intake passage, the EGR passage part being formed at one end part in a longitudinal direction of the exhaust confluence part;
- and
- a gas lead-out part to take out EGR gas formed at another end part in the longitudinal direction of the exhaust confluence part,
- wherein, mounting parts to mount an EGR passage member connecting both the gas lead-out part and the EGR passage part are provided at starting ends of the gas lead-out part and the EGR passage part.
3 more elements
Dependencies are inferred from the claim text.