Patent ID: 11859607
Assignee: NUOVO PIGNONE TECNOLOGIE-SRL
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F  Y | IPC F

Claim 0:
1. A valve for a reciprocating machine, comprising:
a seat comprising flow apertures therein;
a valve closing member adapted to co-act with the seat for selectively closing and opening the flow apertures;
a cage integrally coupled to the seat; and
a cover coupled with the cage; and
a guide formed integrally with the cage and extending through the cover,
wherein the valve closing member comprises a stem slidingly arranged in the guide, and a perforated plate formed integrally with the stem and that has a convex lower surface, and
wherein a sealing arrangement is housed in the guide, the sealing arrangement co-acting with the stem to prevent or limit gas leakages along the actuation stem.