Poppet valve
AssigneeEaton Intelligent Power Limited
InventorsMarco Aimo Boot, Pierfrancesco De Giovanni, Luigi Lia
Life of this patent
Estimating the term…
Abstract
A poppet valve, in particular, a hollow poppet valve, can include a valve stem; a valve cap; a valve body comprising a longitudinal axis with a stem end to which the valve stem is arranged and a cap end to which the valve cap is arranged, the valve body further comprising a cavity with a stem opening towards the stem end and a cap opening towards the cap end; wherein the stem opening of the cavity is configured to be closed by the valve stem and the cap opening of the cavity is configured to be closed by the valve cap; wherein the valve cap comprises a cap wall protruding into the cavity along an interior circumference of the valve cap; and wherein the cap wall comprises a cap wall formation.
Claims15
A poppet valve, comprising:
- a valve stem;
- a valve cap comprising an inner side;
- and
- a valve body comprising a longitudinal axis with a stem end to which the valve stem is arranged and a cap end to which the valve cap is arranged, the valve body further comprising (a) a cavity with a stem opening towards the stem end and a cap opening towards the cap end and (b) a circumferential wall around the cap opening,
- wherein the stem opening of the cavity is configured to be closed by the valve stem and the cap opening of the cavity is configured to be closed by the valve cap,
- wherein the valve cap comprises a cap wall projecting from the inner side of the valve cap and into the cavity when the cavity is closed by the valve cap, and
- wherein the cap wall comprises a cap wall formation protruding from a surface of the cap wall, the cap wall formation is configured to press against the circumferential wall of the valve body when the cavity is closed by the valve cap.
A poppet valve, comprising:
- a valve cap comprising an inner side;
- and
- a valve body comprising a longitudinal axis with a cap end to which the valve cap is arranged and a valve stem extending to a stem end, the valve body further comprising (a) a cavity with a cap opening towards the cap end and (b) a circumferential wall around the cap opening,
- wherein the cap opening of the cavity is configured to be closed by the valve cap,
- wherein the valve cap comprises a cap wall projecting from the inner side of the valve cap and into the cavity when the cavity is closed by the valve cap, and
- wherein the cap wall comprises a cap wall formation protruding from a surface of the cap wall, the cap wall formation is configured to press against the circumferential wall of the valve body when the cavity is closed by the valve cap.
Dependencies are inferred from the claim text.