Turbocharger
AssigneeIHI Corporation
InventorYoshimitsu Matsuyama
Life of this patent
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Abstract
A variable geometry turbocharger includes a bearing housing rotatably supporting a turbine impeller; and an exhaust nozzle changing the flow rate of an exhaust gas supplied to the turbine impeller, wherein the exhaust nozzle has an exhaust inlet wall disposed at the bearing housing side, the turbocharger has a seal member exhibiting a ring shape and sealing a gap formed between the bearing housing and the exhaust inlet wall, and an inner circumferential edge of the seal member firmly contacts the bearing housing and an outer circumferential edge of the seal member firmly contacts the exhaust inlet wall.
Claims6
A variable geometry turbocharger comprising:
- a bearing housing rotatably supporting a turbine impeller;
- and
- an exhaust nozzle that can change the flow rate of an exhaust gas supplied to the turbine impeller,
- wherein the exhaust nozzle has an exhaust inlet wall disposed at the bearing housing side,
- the turbocharger has a seal member exhibiting a ring shape and sealing a gap formed between the bearing housing and the exhaust inlet wall, and
- an inner circumferential edge of the seal member firmly contacts the bearing housing and an outer circumferential edge of the seal member firmly contacts the exhaust inlet wall, wherein
- the seal member is a disc spring, and
- a shield plate that is a ring-shaped plate is disposed at the turbine impeller side of the bearing housing, and the disc spring is disposed between the shield plate and the bearing housing.
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Dependencies are inferred from the claim text.