Patent · US Active

On-off valve and steam turbine

US11066956B2 · kind B2 · utility

0Cited by
4References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 15, 2018
Grant dateJul 20, 2021
Priority date
Expiry dateFeb 15, 2038

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF05D2220/31
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

An on-off valve of the present invention includes a valve box which includes an inlet flow path of steam and an outlet flow path which communicates with the inlet flow path through a communication bole, a stop valve body which opens or closes the communication hole, and a stop valve support portion, in which the outlet flow path extends in a direction intersecting the opening direction of the communication hole toward a downstream side in a flow direction of the steam, and a minimum wall thickness of the valve box is smaller than a minimum wall thickness of the valve box.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.