Patent · US Expired

Asymmetric bidirectional flow device

US6681807B1 · kind B1 · utility

1Cited by
13References
10Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 15, 2002
Grant dateJan 27, 2004
Priority date
Expiry dateJul 15, 2022

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16K15/026
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A method and apparatus for receiving a flow of fluid and restricting the flow through a device are described. The apparatus includes an insert having a shaped surface including at least one through-hole located off-center. The shaped surface may be a bell-shaped curve in cross-section. The method includes supplying a flow of fluid to one side of the apparatus, redirecting a portion of the flow of the fluid onto itself, and directing the flow to the at least one through-hole.

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